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          <loc xlink:type="locator" xlink:href="#ec_TransitionEnergiesMember" xlink:label="ec_TransitionEnergiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TransitionEnergiesMember" xlink:to="ec_TransitionEnergiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TransitionEnergiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Transition Energies.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TransitionEnergiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transition Energies [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_TransitionEnergiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Transition Energies</label>
          <loc xlink:type="locator" xlink:href="#ec_CenitTransporteYLogisticaDeHidrocarburosS.a.s.TransporteYLogisticaDeHidrocarburosS.a.sMember" xlink:label="ec_CenitTransporteYLogisticaDeHidrocarburosS.a.s.TransporteYLogisticaDeHidrocarburosS.a.sMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CenitTransporteYLogisticaDeHidrocarburosS.a.s.TransporteYLogisticaDeHidrocarburosS.a.sMember" xlink:to="ec_CenitTransporteYLogisticaDeHidrocarburosS.a.s.TransporteYLogisticaDeHidrocarburosS.a.sMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CenitTransporteYLogisticaDeHidrocarburosS.a.s.TransporteYLogisticaDeHidrocarburosS.a.sMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Cenit Transporte y Logistica de Hidrocarburos S.A.S. Transporte y Logistica de Hidrocarburos S.A.S.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CenitTransporteYLogisticaDeHidrocarburosS.a.s.TransporteYLogisticaDeHidrocarburosS.a.sMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cenit Transporte y Logistica de Hidrocarburos S.A.S. Transporte y Logistica de Hidrocarburos S.A.S [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CenitTransporteYLogisticaDeHidrocarburosS.a.s.TransporteYLogisticaDeHidrocarburosS.a.sMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cenit Transporte y Logistica de Hidrocarburos S.A.S. Transporte y Logistica de Hidrocarburos S.A.S.</label>
          <loc xlink:type="locator" xlink:href="#ec_OleoductoDeColombiaS.a.Member" xlink:label="ec_OleoductoDeColombiaS.a.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_OleoductoDeColombiaS.a.Member" xlink:to="ec_OleoductoDeColombiaS.a.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_OleoductoDeColombiaS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Oleoducto de Colombia S.A.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_OleoductoDeColombiaS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Oleoducto de Colombia S.A. [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_OleoductoDeColombiaS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Oleoducto de Colombia S.A.</label>
          <loc xlink:type="locator" xlink:href="#ec_OleoductoDeLosLlanosS.a.Member" xlink:label="ec_OleoductoDeLosLlanosS.a.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_OleoductoDeLosLlanosS.a.Member" xlink:to="ec_OleoductoDeLosLlanosS.a.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_OleoductoDeLosLlanosS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Oleoducto de los Llanos S.A.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_OleoductoDeLosLlanosS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Oleoducto de los Llanos S.A. [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_OleoductoDeLosLlanosS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Oleoducto de los Llanos S.A.</label>
          <loc xlink:type="locator" xlink:href="#ec_EcopetrolS.a.Member" xlink:label="ec_EcopetrolS.a.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_EcopetrolS.a.Member" xlink:to="ec_EcopetrolS.a.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_EcopetrolS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ecopetrol S.A.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_EcopetrolS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol S.A. [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_EcopetrolS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol S.A.</label>
          <loc xlink:type="locator" xlink:href="#ec_HocolS.a.Member" xlink:label="ec_HocolS.a.Member" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_HocolS.a.Member" xlink:to="ec_HocolS.a.Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_HocolS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Hocol S.A.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_HocolS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hocol S.A. [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_HocolS.a.Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hocol S.A.</label>
          <loc xlink:type="locator" xlink:href="#ec_CommercialAndMarketingVicePresidencyVcmMember" xlink:label="ec_CommercialAndMarketingVicePresidencyVcmMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CommercialAndMarketingVicePresidencyVcmMember" xlink:to="ec_CommercialAndMarketingVicePresidencyVcmMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CommercialAndMarketingVicePresidencyVcmMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands Commercial and Marketing Vice-Presidency (VCM).</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CommercialAndMarketingVicePresidencyVcmMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commercial and Marketing Vice Presidency (VCM) [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ec_CommercialAndMarketingVicePresidencyVcmMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">VCM</label>
          <loc xlink:type="locator" xlink:href="#ec_Cpo9ProjectMember" xlink:label="ec_Cpo9ProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_Cpo9ProjectMember" xlink:to="ec_Cpo9ProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_Cpo9ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for CPO-9.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_Cpo9ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CPO-9 Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_Cpo9ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CPO-9</label>
          <loc xlink:type="locator" xlink:href="#ec_Vmm141ProjectMember" xlink:label="ec_Vmm141ProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_Vmm141ProjectMember" xlink:to="ec_Vmm141ProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_Vmm141ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for VMM 14-1 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_Vmm141ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">VMM 14-1, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_Vmm141ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">VMM 14-1</label>
          <loc xlink:type="locator" xlink:href="#ec_Vmm65ProjectMember" xlink:label="ec_Vmm65ProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_Vmm65ProjectMember" xlink:to="ec_Vmm65ProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_Vmm65ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for VMM 65 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_Vmm65ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">VMM 65, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_Vmm65ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">VMM-65</label>
          <loc xlink:type="locator" xlink:href="#ec_CanoSurProjectMember" xlink:label="ec_CanoSurProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CanoSurProjectMember" xlink:to="ec_CanoSurProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CanoSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CaNo Sur project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CanoSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CaNo Sur, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CanoSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cano Sur</label>
          <loc xlink:type="locator" xlink:href="#ec_CasabeProjectMember" xlink:label="ec_CasabeProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CasabeProjectMember" xlink:to="ec_CasabeProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CasabeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CASABE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CasabeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CASABE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CasabeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Casabe</label>
          <loc xlink:type="locator" xlink:href="#ec_CupiaguaProjectMember" xlink:label="ec_CupiaguaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CupiaguaProjectMember" xlink:to="ec_CupiaguaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CupiaguaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CUPIAGUA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CupiaguaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CUPIAGUA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CupiaguaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cupiagua</label>
          <loc xlink:type="locator" xlink:href="#ec_CusianaProjectMember" xlink:label="ec_CusianaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CusianaProjectMember" xlink:to="ec_CusianaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CusianaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CUSIANA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CusianaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CUSIANA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CusianaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cusiana</label>
          <loc xlink:type="locator" xlink:href="#ec_FlorenaProjectMember" xlink:label="ec_FlorenaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_FlorenaProjectMember" xlink:to="ec_FlorenaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_FlorenaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for FLORENA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_FlorenaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FLORENA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_FlorenaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Florena</label>
          <loc xlink:type="locator" xlink:href="#ec_SantiagoProjectMember" xlink:label="ec_SantiagoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SantiagoProjectMember" xlink:to="ec_SantiagoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SantiagoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for  Santiago project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SantiagoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Santiago, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SantiagoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Santiago</label>
          <loc xlink:type="locator" xlink:href="#ec_TauramenaProjectMember" xlink:label="ec_TauramenaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TauramenaProjectMember" xlink:to="ec_TauramenaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TauramenaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for  Tauramena.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TauramenaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tauramena Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_TauramenaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tauramena</label>
          <loc xlink:type="locator" xlink:href="#ec_AbarcoProjectMember" xlink:label="ec_AbarcoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AbarcoProjectMember" xlink:to="ec_AbarcoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AbarcoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for ABARCO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AbarcoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ABARCO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_AbarcoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ABARCO</label>
          <loc xlink:type="locator" xlink:href="#ec_AbanicoProjectMember" xlink:label="ec_AbanicoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AbanicoProjectMember" xlink:to="ec_AbanicoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AbanicoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for ABANICO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AbanicoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ABANICO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_AbanicoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ABANICO</label>
          <loc xlink:type="locator" xlink:href="#ec_AcaeSanMiguelProjectMember" xlink:label="ec_AcaeSanMiguelProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AcaeSanMiguelProjectMember" xlink:to="ec_AcaeSanMiguelProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AcaeSanMiguelProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for ACAE SAN MIGUEL project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AcaeSanMiguelProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ACAE SAN MIGUEL, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_AcaeSanMiguelProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ACAE SAN MIGUEL</label>
          <loc xlink:type="locator" xlink:href="#ec_AkaciasProjectMember" xlink:label="ec_AkaciasProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AkaciasProjectMember" xlink:to="ec_AkaciasProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AkaciasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for AKACIAS project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AkaciasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AKACIAS, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_AkaciasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AKACIAS</label>
          <loc xlink:type="locator" xlink:href="#ec_AlqamariProjectMember" xlink:label="ec_AlqamariProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AlqamariProjectMember" xlink:to="ec_AlqamariProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AlqamariProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for ALQAMARI project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AlqamariProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ALQAMARI , Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ec_AlqamariProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ALQAMARI</label>
          <loc xlink:type="locator" xlink:href="#ec_ApiayProjectMember" xlink:label="ec_ApiayProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ApiayProjectMember" xlink:to="ec_ApiayProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ApiayProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for APIAY project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ApiayProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">APIAY, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ApiayProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">APIAY</label>
          <loc xlink:type="locator" xlink:href="#ec_ApiayEsteProjectMember" xlink:label="ec_ApiayEsteProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ApiayEsteProjectMember" xlink:to="ec_ApiayEsteProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ApiayEsteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for APIAY ESTE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ApiayEsteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">APIAY ESTE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ApiayEsteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">APIAY ESTE</label>
          <loc xlink:type="locator" xlink:href="#ec_AreaTecaCocornaProjectMember" xlink:label="ec_AreaTecaCocornaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AreaTecaCocornaProjectMember" xlink:to="ec_AreaTecaCocornaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AreaTecaCocornaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for AREA TECA-COCORNA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AreaTecaCocornaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AREA TECA-COCORNA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_AreaTecaCocornaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AREA TECA-COCORNA</label>
          <loc xlink:type="locator" xlink:href="#ec_ArrayanProjectMember" xlink:label="ec_ArrayanProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ArrayanProjectMember" xlink:to="ec_ArrayanProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ArrayanProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for ARRAYAN project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ArrayanProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ARRAYAN, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ArrayanProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ARRAYAN</label>
          <loc xlink:type="locator" xlink:href="#ec_AulladorProjectMember" xlink:label="ec_AulladorProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AulladorProjectMember" xlink:to="ec_AulladorProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AulladorProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for AULLADOR project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AulladorProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AULLADOR, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_AulladorProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AULLADOR</label>
          <loc xlink:type="locator" xlink:href="#ec_AustralProjectMember" xlink:label="ec_AustralProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AustralProjectMember" xlink:to="ec_AustralProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AustralProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for AUSTRAL project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AustralProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AUSTRAL, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_AustralProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">AUSTRAL</label>
          <loc xlink:type="locator" xlink:href="#ec_BalconProjectMember" xlink:label="ec_BalconProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_BalconProjectMember" xlink:to="ec_BalconProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_BalconProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for BALCON project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_BalconProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BALCON, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_BalconProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BALCON</label>
          <loc xlink:type="locator" xlink:href="#ec_BonanzaProjectMember" xlink:label="ec_BonanzaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_BonanzaProjectMember" xlink:to="ec_BonanzaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_BonanzaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for BONANZA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_BonanzaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BONANZA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_BonanzaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BONANZA</label>
          <loc xlink:type="locator" xlink:href="#ec_BrisasProjectMember" xlink:label="ec_BrisasProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_BrisasProjectMember" xlink:to="ec_BrisasProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_BrisasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for BRISAS project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_BrisasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BRISAS, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_BrisasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BRISAS</label>
          <loc xlink:type="locator" xlink:href="#ec_CaipalProjectMember" xlink:label="ec_CaipalProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CaipalProjectMember" xlink:to="ec_CaipalProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CaipalProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CAIPAL project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CaipalProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CAIPAL, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CaipalProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CAIPAL</label>
          <loc xlink:type="locator" xlink:href="#ec_CanoSurEsteProjectMember" xlink:label="ec_CanoSurEsteProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CanoSurEsteProjectMember" xlink:to="ec_CanoSurEsteProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CanoSurEsteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CANO SUR ESTE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CanoSurEsteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CANO SUR ESTE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CanoSurEsteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CANO SUR ESTE</label>
          <loc xlink:type="locator" xlink:href="#ec_CaribeProjectMember" xlink:label="ec_CaribeProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CaribeProjectMember" xlink:to="ec_CaribeProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CaribeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CARIBE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CaribeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CARIBE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CaribeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CARIBE</label>
          <loc xlink:type="locator" xlink:href="#ec_CasabeSurProjectMember" xlink:label="ec_CasabeSurProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CasabeSurProjectMember" xlink:to="ec_CasabeSurProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CasabeSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CASABE SUR project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CasabeSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CASABE SUR, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CasabeSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CASABE SUR</label>
          <loc xlink:type="locator" xlink:href="#ec_CastillaProjectMember" xlink:label="ec_CastillaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CastillaProjectMember" xlink:to="ec_CastillaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CastillaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CASTILLA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CastillaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CASTILLA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CastillaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CASTILLA</label>
          <loc xlink:type="locator" xlink:href="#ec_CastillaNorteProjectMember" xlink:label="ec_CastillaNorteProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CastillaNorteProjectMember" xlink:to="ec_CastillaNorteProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CastillaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CASTILLA NORTE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CastillaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CASTILLA NORTE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CastillaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CASTILLA NORTE</label>
          <loc xlink:type="locator" xlink:href="#ec_ChichimeneProjectMember" xlink:label="ec_ChichimeneProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ChichimeneProjectMember" xlink:to="ec_ChichimeneProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ChichimeneProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CHICHIMENE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ChichimeneProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CHICHIMENE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ChichimeneProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CHICHIMENE</label>
          <loc xlink:type="locator" xlink:href="#ec_ChichimeneSwProjectMember" xlink:label="ec_ChichimeneSwProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ChichimeneSwProjectMember" xlink:to="ec_ChichimeneSwProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ChichimeneSwProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CHICHIMENE SW project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ChichimeneSwProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CHICHIMENE SW, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ChichimeneSwProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CHICHIMENE SW</label>
          <loc xlink:type="locator" xlink:href="#ec_ChuruyacoProjectMember" xlink:label="ec_ChuruyacoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ChuruyacoProjectMember" xlink:to="ec_ChuruyacoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ChuruyacoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CHURUYACO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ChuruyacoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CHURUYACO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ChuruyacoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CHURUYACO</label>
          <loc xlink:type="locator" xlink:href="#ec_CristalinaProjectMember" xlink:label="ec_CristalinaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CristalinaProjectMember" xlink:to="ec_CristalinaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CristalinaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CRISTALINA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CristalinaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CRISTALINA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CristalinaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CRISTALINA</label>
          <loc xlink:type="locator" xlink:href="#ec_CupiaguaLiriaProjectMember" xlink:label="ec_CupiaguaLiriaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CupiaguaLiriaProjectMember" xlink:to="ec_CupiaguaLiriaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CupiaguaLiriaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CUPIAGUA LIRIA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CupiaguaLiriaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CUPIAGUA LIRIA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CupiaguaLiriaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CUPIAGUA LIRIA</label>
          <loc xlink:type="locator" xlink:href="#ec_CupiaguaSurProjectMember" xlink:label="ec_CupiaguaSurProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CupiaguaSurProjectMember" xlink:to="ec_CupiaguaSurProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CupiaguaSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CUPIAGUA SUR project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CupiaguaSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CUPIAGUA SUR, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CupiaguaSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CUPIAGUA SUR</label>
          <loc xlink:type="locator" xlink:href="#ec_CusianaNorteProjectMember" xlink:label="ec_CusianaNorteProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CusianaNorteProjectMember" xlink:to="ec_CusianaNorteProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CusianaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CUSIANA NORTE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CusianaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CUSIANA NORTE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CusianaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CUSIANA NORTE</label>
          <loc xlink:type="locator" xlink:href="#ec_DinaCretaceoProjectMember" xlink:label="ec_DinaCretaceoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_DinaCretaceoProjectMember" xlink:to="ec_DinaCretaceoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_DinaCretaceoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the DINA CRETACEO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_DinaCretaceoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">DINA CRETACEO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_DinaCretaceoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">DINA CRETACEO</label>
          <loc xlink:type="locator" xlink:href="#ec_DinaNorteProjectMember" xlink:label="ec_DinaNorteProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_DinaNorteProjectMember" xlink:to="ec_DinaNorteProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_DinaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for DINA NORTE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_DinaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">DINA NORTE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_DinaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">DINA NORTE</label>
          <loc xlink:type="locator" xlink:href="#ec_DinaTerciariosProjectMember" xlink:label="ec_DinaTerciariosProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_DinaTerciariosProjectMember" xlink:to="ec_DinaTerciariosProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_DinaTerciariosProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for DINA TERCIARIOS project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_DinaTerciariosProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">DINA TERCIARIOS, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_DinaTerciariosProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">DINA TERCIARIOS</label>
          <loc xlink:type="locator" xlink:href="#ec_FlamencosProjectMember" xlink:label="ec_FlamencosProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_FlamencosProjectMember" xlink:to="ec_FlamencosProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_FlamencosProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for FLAMENCOS project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_FlamencosProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FLAMENCOS, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_FlamencosProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FLAMENCOS</label>
          <loc xlink:type="locator" xlink:href="#ec_FlorenaMiradorProjectMember" xlink:label="ec_FlorenaMiradorProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_FlorenaMiradorProjectMember" xlink:to="ec_FlorenaMiradorProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_FlorenaMiradorProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for FLORENA MIRADOR project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_FlorenaMiradorProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FLORENA MIRADOR, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_FlorenaMiradorProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FLORENA MIRADOR</label>
          <loc xlink:type="locator" xlink:href="#ec_GarzasProjectMember" xlink:label="ec_GarzasProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GarzasProjectMember" xlink:to="ec_GarzasProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GarzasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for GARZAS project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GarzasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GARZAS, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GarzasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GARZAS</label>
          <loc xlink:type="locator" xlink:href="#ec_AraucaProjectMember" xlink:label="ec_AraucaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AraucaProjectMember" xlink:to="ec_AraucaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AraucaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for ARAUCA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AraucaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ARAUCA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_AraucaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ARAUCA</label>
          <loc xlink:type="locator" xlink:href="#ec_GavanProjectMember" xlink:label="ec_GavanProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GavanProjectMember" xlink:to="ec_GavanProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GavanProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for GAVAN project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GavanProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GAVAN, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GavanProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GAVAN</label>
          <loc xlink:type="locator" xlink:href="#ec_GibraltarProjectMember" xlink:label="ec_GibraltarProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GibraltarProjectMember" xlink:to="ec_GibraltarProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GibraltarProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for GIBRALTAR project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GibraltarProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GIBRALTAR, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GibraltarProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GIBRALTAR</label>
          <loc xlink:type="locator" xlink:href="#ec_GiganteProjectMember" xlink:label="ec_GiganteProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GiganteProjectMember" xlink:to="ec_GiganteProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GiganteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for GIGANTE
 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GiganteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GIGANTE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GiganteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GIGANTE</label>
          <loc xlink:type="locator" xlink:href="#ec_GirasolProjectMember" xlink:label="ec_GirasolProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GirasolProjectMember" xlink:to="ec_GirasolProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GirasolProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for GIRASOL project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GirasolProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GIRASOL, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GirasolProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GIRASOL</label>
          <loc xlink:type="locator" xlink:href="#ec_GuatiquiaProjectMember" xlink:label="ec_GuatiquiaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GuatiquiaProjectMember" xlink:to="ec_GuatiquiaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GuatiquiaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for GUATIQUIA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GuatiquiaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GUATIQUIA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GuatiquiaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">GUATIQUIA</label>
          <loc xlink:type="locator" xlink:href="#ec_HormigaProjectMember" xlink:label="ec_HormigaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_HormigaProjectMember" xlink:to="ec_HormigaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_HormigaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for HORMIGAproject.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_HormigaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">HORMIGA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_HormigaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">HORMIGA</label>
          <loc xlink:type="locator" xlink:href="#ec_InfantasProjectMember" xlink:label="ec_InfantasProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_InfantasProjectMember" xlink:to="ec_InfantasProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_InfantasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for INFANTAS project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_InfantasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">INFANTAS, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_InfantasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">INFANTAS</label>
          <loc xlink:type="locator" xlink:href="#ec_JazminProjectMember" xlink:label="ec_JazminProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_JazminProjectMember" xlink:to="ec_JazminProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_JazminProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for JAZMIN project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_JazminProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">JAZMIN, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_JazminProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">JAZMIN</label>
          <loc xlink:type="locator" xlink:href="#ec_LaCanadaNorteProjectMember" xlink:label="ec_LaCanadaNorteProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LaCanadaNorteProjectMember" xlink:to="ec_LaCanadaNorteProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LaCanadaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for LA CAADA NORTE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LaCanadaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LA CANADA NORTE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LaCanadaNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LA CANADA NORTE</label>
          <loc xlink:type="locator" xlink:href="#ec_LaCiraProjectMember" xlink:label="ec_LaCiraProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LaCiraProjectMember" xlink:to="ec_LaCiraProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LaCiraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LA CIRA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LaCiraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LA CIRA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LaCiraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LA CIRA</label>
          <loc xlink:type="locator" xlink:href="#ec_CiraProjectMember" xlink:label="ec_CiraProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CiraProjectMember" xlink:to="ec_CiraProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CiraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CIRA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CiraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CIRA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ec_CiraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CIRA</label>
          <loc xlink:type="locator" xlink:href="#ec_LaJaguaProjectMember" xlink:label="ec_LaJaguaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LaJaguaProjectMember" xlink:to="ec_LaJaguaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LaJaguaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LA JAGUA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LaJaguaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LA JAGUA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LaJaguaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LA JAGUA</label>
          <loc xlink:type="locator" xlink:href="#ec_LibertadProjectMember" xlink:label="ec_LibertadProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LibertadProjectMember" xlink:to="ec_LibertadProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LibertadProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LIBERTAD project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LibertadProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LIBERTAD, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LibertadProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LIBERTAD</label>
          <loc xlink:type="locator" xlink:href="#ec_LibertadNorteProjectMember" xlink:label="ec_LibertadNorteProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LibertadNorteProjectMember" xlink:to="ec_LibertadNorteProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LibertadNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LIBERTAD NORTE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LibertadNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LIBERTAD NORTE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LibertadNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LIBERTAD NORTE</label>
          <loc xlink:type="locator" xlink:href="#ec_LisamaProjectMember" xlink:label="ec_LisamaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LisamaProjectMember" xlink:to="ec_LisamaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LisamaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LISAMA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LisamaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LISAMA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LisamaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LISAMA</label>
          <loc xlink:type="locator" xlink:href="#ec_Lisama158ProjectMember" xlink:label="ec_Lisama158ProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_Lisama158ProjectMember" xlink:to="ec_Lisama158ProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_Lisama158ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LISAMA 158</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_Lisama158ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LISAMA 158, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ec_Lisama158ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LISAMA 158</label>
          <loc xlink:type="locator" xlink:href="#ec_LlanitoProjectMember" xlink:label="ec_LlanitoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LlanitoProjectMember" xlink:to="ec_LlanitoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LlanitoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LLANITO
 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LlanitoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LLANITO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LlanitoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LLANITO</label>
          <loc xlink:type="locator" xlink:href="#ec_LlanitoUnificadoProjectMember" xlink:label="ec_LlanitoUnificadoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LlanitoUnificadoProjectMember" xlink:to="ec_LlanitoUnificadoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LlanitoUnificadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LLANITO UNIFICADO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LlanitoUnificadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LLANITO UNIFICADO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LlanitoUnificadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LLANITO UNIFICADO</label>
          <loc xlink:type="locator" xlink:href="#ec_LomaLargaProjectMember" xlink:label="ec_LomaLargaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LomaLargaProjectMember" xlink:to="ec_LomaLargaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LomaLargaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LOMA LARGA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LomaLargaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LOMA LARGA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LomaLargaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LOMA LARGA</label>
          <loc xlink:type="locator" xlink:href="#ec_LoritoProjectMember" xlink:label="ec_LoritoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LoritoProjectMember" xlink:to="ec_LoritoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LoritoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Lorito project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LoritoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lorito, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LoritoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Lorito</label>
          <loc xlink:type="locator" xlink:href="#ec_LoroProjectMember" xlink:label="ec_LoroProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LoroProjectMember" xlink:to="ec_LoroProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LoroProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for LORO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LoroProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LORO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LoroProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">LORO</label>
          <loc xlink:type="locator" xlink:href="#ec_MansoyaProjectMember" xlink:label="ec_MansoyaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_MansoyaProjectMember" xlink:to="ec_MansoyaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_MansoyaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for MANSOYA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_MansoyaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">MANSOYA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_MansoyaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">MANSOYA</label>
          <loc xlink:type="locator" xlink:href="#ec_MoricheProjectMember" xlink:label="ec_MoricheProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_MoricheProjectMember" xlink:to="ec_MoricheProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_MoricheProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for MORICHE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_MoricheProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">MORICHE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_MoricheProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">MORICHE</label>
          <loc xlink:type="locator" xlink:href="#ec_NareSurProjectMember" xlink:label="ec_NareSurProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_NareSurProjectMember" xlink:to="ec_NareSurProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_NareSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for NARE SUR project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_NareSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NARE SUR, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_NareSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NARE SUR</label>
          <loc xlink:type="locator" xlink:href="#ec_NareProjectMember" xlink:label="ec_NareProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_NareProjectMember" xlink:to="ec_NareProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_NareProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for NARE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_NareProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NARE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_NareProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NARE</label>
          <loc xlink:type="locator" xlink:href="#ec_NutriaProjectMember" xlink:label="ec_NutriaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_NutriaProjectMember" xlink:to="ec_NutriaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_NutriaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for NUTRIA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_NutriaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NUTRIA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_NutriaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">NUTRIA</label>
          <loc xlink:type="locator" xlink:href="#ec_OritoProjectMember" xlink:label="ec_OritoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_OritoProjectMember" xlink:to="ec_OritoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_OritoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for ORITO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_OritoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ORITO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_OritoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ORITO</label>
          <loc xlink:type="locator" xlink:href="#ec_PachaquiaroProjectMember" xlink:label="ec_PachaquiaroProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_PachaquiaroProjectMember" xlink:to="ec_PachaquiaroProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_PachaquiaroProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for PACHAQUIARO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_PachaquiaroProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PACHAQUIARO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_PachaquiaroProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PACHAQUIARO</label>
          <loc xlink:type="locator" xlink:href="#ec_PalaguaProjectMember" xlink:label="ec_PalaguaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_PalaguaProjectMember" xlink:to="ec_PalaguaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_PalaguaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for PALAGUA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_PalaguaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PALAGUA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_PalaguaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PALAGUA</label>
          <loc xlink:type="locator" xlink:href="#ec_PalermoSantaClaraUnificadoProjectMember" xlink:label="ec_PalermoSantaClaraUnificadoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_PalermoSantaClaraUnificadoProjectMember" xlink:to="ec_PalermoSantaClaraUnificadoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_PalermoSantaClaraUnificadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for PALERMO - SANTA CLARA UNIFICADO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_PalermoSantaClaraUnificadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PALERMO - SANTA CLARA UNIFICADO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_PalermoSantaClaraUnificadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PALERMO - SANTA CLARA UNIFICADO</label>
          <loc xlink:type="locator" xlink:href="#ec_PalograndeProjectMember" xlink:label="ec_PalograndeProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_PalograndeProjectMember" xlink:to="ec_PalograndeProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_PalograndeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for PALOGRANDE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_PalograndeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PALOGRANDE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_PalograndeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PALOGRANDE</label>
          <loc xlink:type="locator" xlink:href="#ec_PautoSurProjectMember" xlink:label="ec_PautoSurProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_PautoSurProjectMember" xlink:to="ec_PautoSurProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_PautoSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for PAUTO SUR project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_PautoSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PAUTO SUR, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_PautoSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PAUTO SUR</label>
          <loc xlink:type="locator" xlink:href="#ec_PenasBlancasProjectMember" xlink:label="ec_PenasBlancasProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_PenasBlancasProjectMember" xlink:to="ec_PenasBlancasProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_PenasBlancasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for PENAS BLANCAS project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_PenasBlancasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PENAS BLANCAS, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_PenasBlancasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PENAS BLANCAS</label>
          <loc xlink:type="locator" xlink:href="#ec_PompeyaProjectMember" xlink:label="ec_PompeyaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_PompeyaProjectMember" xlink:to="ec_PompeyaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_PompeyaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for POMPEYA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_PompeyaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">POMPEYA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_PompeyaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">POMPEYA</label>
          <loc xlink:type="locator" xlink:href="#ec_ProvinciaProjectMember" xlink:label="ec_ProvinciaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ProvinciaProjectMember" xlink:to="ec_ProvinciaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ProvinciaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for PROVINCIA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ProvinciaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PROVINCIA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ProvinciaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">PROVINCIA</label>
          <loc xlink:type="locator" xlink:href="#ec_QuriyanaProjectMember" xlink:label="ec_QuriyanaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_QuriyanaProjectMember" xlink:to="ec_QuriyanaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_QuriyanaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for QURIYANA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_QuriyanaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">QURIYANA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_QuriyanaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">QURIYANA</label>
          <loc xlink:type="locator" xlink:href="#ec_RecetorWestProjectMember" xlink:label="ec_RecetorWestProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_RecetorWestProjectMember" xlink:to="ec_RecetorWestProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_RecetorWestProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for RECETOR WEST project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_RecetorWestProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">RECETOR WEST, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_RecetorWestProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">RECETOR WEST</label>
          <loc xlink:type="locator" xlink:href="#ec_RioCeibasProjectMember" xlink:label="ec_RioCeibasProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_RioCeibasProjectMember" xlink:to="ec_RioCeibasProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_RioCeibasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for RIO CEIBAS project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_RioCeibasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">RIO CEIBAS, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_RioCeibasProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">RIO CEIBAS</label>
          <loc xlink:type="locator" xlink:href="#ec_RubialesProjectMember" xlink:label="ec_RubialesProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_RubialesProjectMember" xlink:to="ec_RubialesProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_RubialesProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for RUBIALES project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_RubialesProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">RUBIALES, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_RubialesProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">RUBIALES</label>
          <loc xlink:type="locator" xlink:href="#ec_SanAntonioProjectMember" xlink:label="ec_SanAntonioProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SanAntonioProjectMember" xlink:to="ec_SanAntonioProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SanAntonioProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SAN ANTONIO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SanAntonioProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SAN ANTONIO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SanAntonioProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SAN ANTONIO</label>
          <loc xlink:type="locator" xlink:href="#ec_SanFranciscoProjectMember" xlink:label="ec_SanFranciscoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SanFranciscoProjectMember" xlink:to="ec_SanFranciscoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SanFranciscoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SAN FRANCISCO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SanFranciscoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SAN FRANCISCO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SanFranciscoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SAN FRANCISCO</label>
          <loc xlink:type="locator" xlink:href="#ec_SanRoqueProjectMember" xlink:label="ec_SanRoqueProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SanRoqueProjectMember" xlink:to="ec_SanRoqueProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SanRoqueProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SAN ROQUE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SanRoqueProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SAN ROQUE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SanRoqueProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SAN ROQUE</label>
          <loc xlink:type="locator" xlink:href="#ec_SantaClaraProjectMember" xlink:label="ec_SantaClaraProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SantaClaraProjectMember" xlink:to="ec_SantaClaraProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SantaClaraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SANTA CLARA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SantaClaraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SANTA CLARA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ec_SantaClaraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SANTA CLARA,</label>
          <loc xlink:type="locator" xlink:href="#ec_SardinataProjectMember" xlink:label="ec_SardinataProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SardinataProjectMember" xlink:to="ec_SardinataProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SardinataProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SARDINATA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SardinataProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SARDINATA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SardinataProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SARDINATA</label>
          <loc xlink:type="locator" xlink:href="#ec_SaurioProjectMember" xlink:label="ec_SaurioProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SaurioProjectMember" xlink:to="ec_SaurioProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SaurioProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SAURIO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SaurioProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SAURIO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SaurioProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SAURIO</label>
          <loc xlink:type="locator" xlink:href="#ec_SucioProjectMember" xlink:label="ec_SucioProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SucioProjectMember" xlink:to="ec_SucioProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SucioProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SUCIO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SucioProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SUCIO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SucioProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SUCIO</label>
          <loc xlink:type="locator" xlink:href="#ec_SuriaProjectMember" xlink:label="ec_SuriaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SuriaProjectMember" xlink:to="ec_SuriaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SuriaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SURIA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SuriaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SURIA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SuriaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SURIA</label>
          <loc xlink:type="locator" xlink:href="#ec_SuriaSurProjectMember" xlink:label="ec_SuriaSurProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SuriaSurProjectMember" xlink:to="ec_SuriaSurProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SuriaSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SURIA SUR project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SuriaSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SURIA SUR, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SuriaSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SURIA SUR</label>
          <loc xlink:type="locator" xlink:href="#ec_TelloProjectMember" xlink:label="ec_TelloProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TelloProjectMember" xlink:to="ec_TelloProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TelloProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for TELLO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TelloProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TELLO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_TelloProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TELLO</label>
          <loc xlink:type="locator" xlink:href="#ec_TempranilloProjectMember" xlink:label="ec_TempranilloProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TempranilloProjectMember" xlink:to="ec_TempranilloProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TempranilloProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for TEMPRANILLO
 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TempranilloProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TEMPRANILLO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ec_TempranilloProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TEMPRANILLO</label>
          <loc xlink:type="locator" xlink:href="#ec_TenayProjectMember" xlink:label="ec_TenayProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TenayProjectMember" xlink:to="ec_TenayProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TenayProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for TENAY project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TenayProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TENAY, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_TenayProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TENAY</label>
          <loc xlink:type="locator" xlink:href="#ec_TesoroProjectMember" xlink:label="ec_TesoroProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TesoroProjectMember" xlink:to="ec_TesoroProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TesoroProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for TESORO project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TesoroProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TESORO, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_TesoroProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TESORO</label>
          <loc xlink:type="locator" xlink:href="#ec_TibuProjectMember" xlink:label="ec_TibuProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TibuProjectMember" xlink:to="ec_TibuProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TibuProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for TIBU project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TibuProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TIBU, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_TibuProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TIBU</label>
          <loc xlink:type="locator" xlink:href="#ec_TinamuProjectMember" xlink:label="ec_TinamuProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TinamuProjectMember" xlink:to="ec_TinamuProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TinamuProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for TINAMU project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TinamuProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TINAMU, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_TinamuProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TINAMU</label>
          <loc xlink:type="locator" xlink:href="#ec_TisquiramaProjectMember" xlink:label="ec_TisquiramaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TisquiramaProjectMember" xlink:to="ec_TisquiramaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TisquiramaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for TISQUIRAMA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TisquiramaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TISQUIRAMA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_TisquiramaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">TISQUIRAMA</label>
          <loc xlink:type="locator" xlink:href="#ec_UnderriverProjectMember" xlink:label="ec_UnderriverProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_UnderriverProjectMember" xlink:to="ec_UnderriverProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_UnderriverProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for UNDERRIVER project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_UnderriverProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">UNDERRIVER, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_UnderriverProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">UNDERRIVER</label>
          <loc xlink:type="locator" xlink:href="#ec_UnificadoPalograndeProjectMember" xlink:label="ec_UnificadoPalograndeProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_UnificadoPalograndeProjectMember" xlink:to="ec_UnificadoPalograndeProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_UnificadoPalograndeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for UNIFICADO PALOGRANDE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_UnificadoPalograndeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">UNIFICADO PALOGRANDE, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_UnificadoPalograndeProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">UNIFICADO PALOGRANDE</label>
          <loc xlink:type="locator" xlink:href="#ec_YaguaraProjectMember" xlink:label="ec_YaguaraProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_YaguaraProjectMember" xlink:to="ec_YaguaraProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_YaguaraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for YAGUARA project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_YaguaraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">YAGUARA, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_YaguaraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">YAGUARA</label>
          <loc xlink:type="locator" xlink:href="#ec_YariguiProjectMember" xlink:label="ec_YariguiProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_YariguiProjectMember" xlink:to="ec_YariguiProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_YariguiProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for YARIGUI project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_YariguiProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">YARIGUI, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_YariguiProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">YARIGUI</label>
          <loc xlink:type="locator" xlink:href="#ec_BloqueGuaOff1Member" xlink:label="ec_BloqueGuaOff1Member" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_BloqueGuaOff1Member" xlink:to="ec_BloqueGuaOff1Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_BloqueGuaOff1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for BLOQUE GUA OFF 1 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_BloqueGuaOff1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BLOQUE GUA OFF 1 [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ec_BloqueGuaOff1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BLOQUE GUA OFF 1</label>
          <loc xlink:type="locator" xlink:href="#ec_BloqueGuaOff10Member" xlink:label="ec_BloqueGuaOff10Member" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_BloqueGuaOff10Member" xlink:to="ec_BloqueGuaOff10Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_BloqueGuaOff10Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for BLOQUE GUA OFF 10 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_BloqueGuaOff10Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BLOQUE GUA OFF 10 [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ec_BloqueGuaOff10Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">BLOQUE GUA OFF 10</label>
          <loc xlink:type="locator" xlink:href="#ec_HocolProjectMember" xlink:label="ec_HocolProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_HocolProjectMember" xlink:to="ec_HocolProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_HocolProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Hocol project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_HocolProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hocol, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_HocolProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Hocol</label>
          <loc xlink:type="locator" xlink:href="#ec_EspinalProjectMember" xlink:label="ec_EspinalProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_EspinalProjectMember" xlink:to="ec_EspinalProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_EspinalProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Espinal project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_EspinalProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Espinal, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_EspinalProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Espinal</label>
          <loc xlink:type="locator" xlink:href="#ec_OrtegaProjectMember" xlink:label="ec_OrtegaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_OrtegaProjectMember" xlink:to="ec_OrtegaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_OrtegaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Ortega project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_OrtegaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ortega, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_OrtegaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ortega</label>
          <loc xlink:type="locator" xlink:href="#ec_ToldadoProjectMember" xlink:label="ec_ToldadoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ToldadoProjectMember" xlink:to="ec_ToldadoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ToldadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Toldado project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ToldadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Toldado, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ToldadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Toldado</label>
          <loc xlink:type="locator" xlink:href="#ec_TotareProjectMember" xlink:label="ec_TotareProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_TotareProjectMember" xlink:to="ec_TotareProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_TotareProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Totare project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_TotareProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Totare, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_TotareProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Totare</label>
          <loc xlink:type="locator" xlink:href="#ec_RioSaldanaProjectMember" xlink:label="ec_RioSaldanaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_RioSaldanaProjectMember" xlink:to="ec_RioSaldanaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_RioSaldanaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Rio SaldaNa project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_RioSaldanaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Rio SaldaNa, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_RioSaldanaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Rio Saldana</label>
          <loc xlink:type="locator" xlink:href="#ec_ArrecifeMember" xlink:label="ec_ArrecifeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ArrecifeMember" xlink:to="ec_ArrecifeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ArrecifeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for ARRECIFE project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ArrecifeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ARRECIFE [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ArrecifeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">ARRECIFE</label>
          <loc xlink:type="locator" xlink:href="#ec_MatachinNorteProjectMember" xlink:label="ec_MatachinNorteProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_MatachinNorteProjectMember" xlink:to="ec_MatachinNorteProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_MatachinNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Matachin Norte project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_MatachinNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Matachin Norte, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_MatachinNorteProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Matachin Norte</label>
          <loc xlink:type="locator" xlink:href="#ec_MatachinSurProjectMember" xlink:label="ec_MatachinSurProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_MatachinSurProjectMember" xlink:to="ec_MatachinSurProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_MatachinSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Matachin Sur project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_MatachinSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Matachin Sur, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_MatachinSurProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Matachin Sur</label>
          <loc xlink:type="locator" xlink:href="#ec_LaCanadaProjectMember" xlink:label="ec_LaCanadaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LaCanadaProjectMember" xlink:to="ec_LaCanadaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LaCanadaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for La CaNada project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LaCanadaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">La CaNada, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LaCanadaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">La Canada</label>
          <loc xlink:type="locator" xlink:href="#ec_LaHochaProjectMember" xlink:label="ec_LaHochaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LaHochaProjectMember" xlink:to="ec_LaHochaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LaHochaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for La Hocha project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LaHochaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">La Hocha, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LaHochaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">La Hocha</label>
          <loc xlink:type="locator" xlink:href="#ec_CicucoProjectMember" xlink:label="ec_CicucoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CicucoProjectMember" xlink:to="ec_CicucoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CicucoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Cicuco project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CicucoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cicuco, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CicucoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cicuco</label>
          <loc xlink:type="locator" xlink:href="#ec_LaPuntaProjectMember" xlink:label="ec_LaPuntaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_LaPuntaProjectMember" xlink:to="ec_LaPuntaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_LaPuntaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for La Punta project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_LaPuntaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">La Punta, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_LaPuntaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">La Punta</label>
          <loc xlink:type="locator" xlink:href="#ec_PintadoProjectMember" xlink:label="ec_PintadoProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_PintadoProjectMember" xlink:to="ec_PintadoProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_PintadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Pintado project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_PintadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pintado, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_PintadoProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pintado</label>
          <loc xlink:type="locator" xlink:href="#ec_ArjonaProjectMember" xlink:label="ec_ArjonaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ArjonaProjectMember" xlink:to="ec_ArjonaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ArjonaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Arjona project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ArjonaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Arjona, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ArjonaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Arjona</label>
          <loc xlink:type="locator" xlink:href="#ec_GuajiraProjectMember" xlink:label="ec_GuajiraProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GuajiraProjectMember" xlink:to="ec_GuajiraProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GuajiraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Guajira project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GuajiraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guajira, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GuajiraProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Guajira</label>
          <loc xlink:type="locator" xlink:href="#ec_SamanProjectMember" xlink:label="ec_SamanProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_SamanProjectMember" xlink:to="ec_SamanProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_SamanProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Saman project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_SamanProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Saman, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_SamanProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Saman</label>
          <loc xlink:type="locator" xlink:href="#ec_Ssjn1ProjectMember" xlink:label="ec_Ssjn1ProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_Ssjn1ProjectMember" xlink:to="ec_Ssjn1ProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_Ssjn1ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SSJN1 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_Ssjn1ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SSJN1, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_Ssjn1ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SSJN1</label>
          <loc xlink:type="locator" xlink:href="#ec_Ssjs1ProjectMember" xlink:label="ec_Ssjs1ProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_Ssjs1ProjectMember" xlink:to="ec_Ssjs1ProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_Ssjs1ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SSJS1 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_Ssjs1ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SSJS1, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_Ssjs1ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SSJS1</label>
          <loc xlink:type="locator" xlink:href="#ec_Sn18ProjectMember" xlink:label="ec_Sn18ProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_Sn18ProjectMember" xlink:to="ec_Sn18ProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_Sn18ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for SN-18 project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_Sn18ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SN-18, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ec_Sn18ProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SN-18</label>
          <loc xlink:type="locator" xlink:href="#ec_BallenaProjectMember" xlink:label="ec_BallenaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_BallenaProjectMember" xlink:to="ec_BallenaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_BallenaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Ballena project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_BallenaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ballena, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_BallenaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ballena</label>
          <loc xlink:type="locator" xlink:href="#ec_CanoLimonProjectMember" xlink:label="ec_CanoLimonProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_CanoLimonProjectMember" xlink:to="ec_CanoLimonProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_CanoLimonProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for CaNo LimOn project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_CanoLimonProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">CaNo LimOn, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_CanoLimonProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cano Limon</label>
          <loc xlink:type="locator" xlink:href="#ec_OripayaProjectMember" xlink:label="ec_OripayaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_OripayaProjectMember" xlink:to="ec_OripayaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_OripayaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Oripaya project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_OripayaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Oripaya, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_OripayaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Oripaya</label>
          <loc xlink:type="locator" xlink:href="#ec_PayoaProjectMember" xlink:label="ec_PayoaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_PayoaProjectMember" xlink:to="ec_PayoaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_PayoaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This members stands for Payoa project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_PayoaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payoa, Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_PayoaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Payoa</label>
          <loc xlink:type="locator" xlink:href="#ec_AndinaProjectMember" xlink:label="ec_AndinaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_AndinaProjectMember" xlink:to="ec_AndinaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_AndinaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It represents the information pertaining to Andina Project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_AndinaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Andina Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_AndinaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Andina</label>
          <loc xlink:type="locator" xlink:href="#ec_ChuchupaProjectMember" xlink:label="ec_ChuchupaProjectMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_ChuchupaProjectMember" xlink:to="ec_ChuchupaProjectMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_ChuchupaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">It represents the information pertaining to Chuchupa Project.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_ChuchupaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Chuchupa Project [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_ChuchupaProjectMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Chuchupa</label>
          <loc xlink:type="locator" xlink:href="#ec_EcopetrolUsaIncMember" xlink:label="ec_EcopetrolUsaIncMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_EcopetrolUsaIncMember" xlink:to="ec_EcopetrolUsaIncMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_EcopetrolUsaIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ecopetrol USA Inc.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_EcopetrolUsaIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol USA Inc [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_EcopetrolUsaIncMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol USA Inc</label>
          <loc xlink:type="locator" xlink:href="#ec_EcopetrolTradingAsiaPteMember" xlink:label="ec_EcopetrolTradingAsiaPteMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_EcopetrolTradingAsiaPteMember" xlink:to="ec_EcopetrolTradingAsiaPteMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_EcopetrolTradingAsiaPteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ecopetrol Trading Asia Pte .</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_EcopetrolTradingAsiaPteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol Trading Asia Pte [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_EcopetrolTradingAsiaPteMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol Trading Asia Pte Ltd</label>
          <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CO" xlink:label="country_CO" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CO" xlink:to="country_CO_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_CO_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">COLOMBIA</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_CO_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Colombia</label>
          <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_SG" xlink:label="country_SG" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_SG" xlink:to="country_SG_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_SG_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">SINGAPORE</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_SG_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Singapur</label>
          <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US" xlink:label="country_US" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_US" xlink:to="country_US_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_US_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">UNITED STATES</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_US_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">United States</label>
          <loc xlink:type="locator" xlink:href="#ec_GovernmentOfColombiaMember" xlink:label="ec_GovernmentOfColombiaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GovernmentOfColombiaMember" xlink:to="ec_GovernmentOfColombiaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GovernmentOfColombiaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Government of Colombia.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GovernmentOfColombiaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Government of Colombia[Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GovernmentOfColombiaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Colombia</label>
          <loc xlink:type="locator" xlink:href="#ec_GovernmentOfUnitedStatesMember" xlink:label="ec_GovernmentOfUnitedStatesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GovernmentOfUnitedStatesMember" xlink:to="ec_GovernmentOfUnitedStatesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GovernmentOfUnitedStatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Government of United States.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GovernmentOfUnitedStatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Government of United States [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GovernmentOfUnitedStatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">United States</label>
          <loc xlink:type="locator" xlink:href="#ec_GovernmentOfSingaporeMember" xlink:label="ec_GovernmentOfSingaporeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_GovernmentOfSingaporeMember" xlink:to="ec_GovernmentOfSingaporeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_GovernmentOfSingaporeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for the Government of Singapore.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_GovernmentOfSingaporeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Government of Singapore [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_GovernmentOfSingaporeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Singapore</label>
          <loc xlink:type="locator" xlink:href="#ec_EcopetrolAmericaLlcMember" xlink:label="ec_EcopetrolAmericaLlcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_EcopetrolAmericaLlcMember" xlink:to="ec_EcopetrolAmericaLlcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_EcopetrolAmericaLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ecopetrol America LLC.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_EcopetrolAmericaLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol America LLC [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_EcopetrolAmericaLlcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol America LLC</label>
          <loc xlink:type="locator" xlink:href="#ec_EcopetrolMember" xlink:label="ec_EcopetrolMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_EcopetrolMember" xlink:to="ec_EcopetrolMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_EcopetrolMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Ecopetrol.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_EcopetrolMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_EcopetrolMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ecopetrol</label>
          <loc xlink:type="locator" xlink:href="#ec_OleoductoCentralSaMember" xlink:label="ec_OleoductoCentralSaMember" xmlns="http://www.xbrl.org/2003/linkbase" />
          <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ec_OleoductoCentralSaMember" xlink:to="ec_OleoductoCentralSaMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ec_OleoductoCentralSaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This member stands for Oleoducto Central SA.</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ec_OleoductoCentralSaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Oleoducto Central SA [Member]</label>
          <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ec_OleoductoCentralSaMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Oleoducto Central S.A.</label>
        </link:labelLink>
        <link:definitionLink xlink:role="http://www.ecopetrol.com/role/DisclosureStandardAndCustomAxisDomainDefaults" xlink:type="extended" xlink:title="99900 - Disclosure - Standard And Custom Axis Domain Defaults">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1" xlink:title="us-gaap_StatementClassOfStockAxis_1" />
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1" xlink:title="us-gaap_ClassOfStockDomain_1" />
          <link:definitionArc xlink:type="arc" xlink:from="us-gaap_StatementClassOfStockAxis_1" xlink:to="us-gaap_ClassOfStockDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:us-gaap_StatementClassOfStockAxis_1 To us-gaap_ClassOfStockDomain_1" order="1" />
        </link:definitionLink>
        <link:definitionLink xlink:role="http://xbrl.sec.gov/rxp/role/ProjectsOnly" xlink:type="extended" xlink:title="Projects Only">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/rxp/2025/rxp-2025.xsd#rxp_AllProjectsMember" xlink:label="rxp_AllProjectsMember" xlink:title="rxp_AllProjectsMember" />
          <link:loc xlink:type="locator" xlink:href="#ec_AbarcoProjectMember" xlink:label="ec_AbarcoProjectMember_1" xlink:title="ec_AbarcoProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_AbarcoProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_AbarcoProjectMember_1" order="5" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_AcaeSanMiguelProjectMember" xlink:label="ec_AcaeSanMiguelProjectMember_1" xlink:title="ec_AcaeSanMiguelProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_AcaeSanMiguelProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_AcaeSanMiguelProjectMember_1" order="6" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_AkaciasProjectMember" xlink:label="ec_AkaciasProjectMember_1" xlink:title="ec_AkaciasProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_AkaciasProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_AkaciasProjectMember_1" order="8" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_ApiayProjectMember" xlink:label="ec_ApiayProjectMember_1" xlink:title="ec_ApiayProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_ApiayProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_ApiayProjectMember_1" order="10" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_ApiayEsteProjectMember" xlink:label="ec_ApiayEsteProjectMember_1" xlink:title="ec_ApiayEsteProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_ApiayEsteProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_ApiayEsteProjectMember_1" order="11" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_AreaTecaCocornaProjectMember" xlink:label="ec_AreaTecaCocornaProjectMember_1" xlink:title="ec_AreaTecaCocornaProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_AreaTecaCocornaProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_AreaTecaCocornaProjectMember_1" order="13" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_ArrayanProjectMember" xlink:label="ec_ArrayanProjectMember_1" xlink:title="ec_ArrayanProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_ArrayanProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_ArrayanProjectMember_1" order="14" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_AulladorProjectMember" xlink:label="ec_AulladorProjectMember_1" xlink:title="ec_AulladorProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_AulladorProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_AulladorProjectMember_1" order="15" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_AustralProjectMember" xlink:label="ec_AustralProjectMember_1" xlink:title="ec_AustralProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_AustralProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_AustralProjectMember_1" order="16" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_BalconProjectMember" xlink:label="ec_BalconProjectMember_1" xlink:title="ec_BalconProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_BalconProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_BalconProjectMember_1" order="17" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_BonanzaProjectMember" xlink:label="ec_BonanzaProjectMember_1" xlink:title="ec_BonanzaProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_BonanzaProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_BonanzaProjectMember_1" order="18" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_BrisasProjectMember" xlink:label="ec_BrisasProjectMember_1" xlink:title="ec_BrisasProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_BrisasProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_BrisasProjectMember_1" order="19" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_CaipalProjectMember" xlink:label="ec_CaipalProjectMember_1" xlink:title="ec_CaipalProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_CaipalProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_CaipalProjectMember_1" order="20" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_CanoSurEsteProjectMember" xlink:label="ec_CanoSurEsteProjectMember_1" xlink:title="ec_CanoSurEsteProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_CanoSurEsteProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_CanoSurEsteProjectMember_1" order="21" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_CaribeProjectMember" xlink:label="ec_CaribeProjectMember_1" xlink:title="ec_CaribeProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_CaribeProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_CaribeProjectMember_1" order="22" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_CasabeProjectMember" xlink:label="ec_CasabeProjectMember_1" xlink:title="ec_CasabeProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_CasabeProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_CasabeProjectMember_1" order="23" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_CasabeSurProjectMember" xlink:label="ec_CasabeSurProjectMember_1" xlink:title="ec_CasabeSurProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_CasabeSurProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_CasabeSurProjectMember_1" order="24" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_CastillaProjectMember" xlink:label="ec_CastillaProjectMember_1" xlink:title="ec_CastillaProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_CastillaProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_CastillaProjectMember_1" order="25" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_CastillaEsteProjectMember" xlink:label="ec_CastillaEsteProjectMember_1" xlink:title="ec_CastillaEsteProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_CastillaEsteProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_CastillaEsteProjectMember_1" order="26" priority="0" />
          <link:loc xlink:type="locator" xlink:href="#ec_CastillaNorteProjectMember" xlink:label="ec_CastillaNorteProjectMember_1" xlink:title="ec_CastillaNorteProjectMember_1" />
          <link:definitionArc xlink:type="arc" xlink:from="rxp_AllProjectsMember" xlink:to="ec_CastillaNorteProjectMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:title="definition:rxp_AllProjectsMember To ec_CastillaNorteProjectMember_1" order="27" priority="0" />
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  <xsd:element name="AreaTecaCocornaProjectMember" id="ec_AreaTecaCocornaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ArrayanProjectMember" id="ec_ArrayanProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AulladorProjectMember" id="ec_AulladorProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AustralProjectMember" id="ec_AustralProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BalconProjectMember" id="ec_BalconProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BonanzaProjectMember" id="ec_BonanzaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BrisasProjectMember" id="ec_BrisasProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CaipalProjectMember" id="ec_CaipalProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CanoSurEsteProjectMember" id="ec_CanoSurEsteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CaribeProjectMember" id="ec_CaribeProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CasabeProjectMember" id="ec_CasabeProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CasabeSurProjectMember" id="ec_CasabeSurProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CastillaProjectMember" id="ec_CastillaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CastillaEsteProjectMember" id="ec_CastillaEsteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CastillaNorteProjectMember" id="ec_CastillaNorteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChichimeneProjectMember" id="ec_ChichimeneProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChichimeneSwProjectMember" id="ec_ChichimeneSwProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChuruyacoProjectMember" id="ec_ChuruyacoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CristalinaProjectMember" id="ec_CristalinaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CupiaguaProjectMember" id="ec_CupiaguaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CupiaguaLiriaProjectMember" id="ec_CupiaguaLiriaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CupiaguaSurProjectMember" id="ec_CupiaguaSurProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CusianaProjectMember" id="ec_CusianaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CusianaNorteProjectMember" id="ec_CusianaNorteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DinaNorteProjectMember" id="ec_DinaNorteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DinaTerciariosProjectMember" id="ec_DinaTerciariosProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FlamencosProjectMember" id="ec_FlamencosProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FlorenaProjectMember" id="ec_FlorenaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FlorenaMiradorProjectMember" id="ec_FlorenaMiradorProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GarzasProjectMember" id="ec_GarzasProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GavanProjectMember" id="ec_GavanProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GibraltarProjectMember" id="ec_GibraltarProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GirasolProjectMember" id="ec_GirasolProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GuatiquiaProjectMember" id="ec_GuatiquiaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InfantasProjectMember" id="ec_InfantasProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="JazminProjectMember" id="ec_JazminProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LaCiraProjectMember" id="ec_LaCiraProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LaJaguaProjectMember" id="ec_LaJaguaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LibertadProjectMember" id="ec_LibertadProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LibertadNorteProjectMember" id="ec_LibertadNorteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LisamaProjectMember" id="ec_LisamaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LlanitoUnificadoProjectMember" id="ec_LlanitoUnificadoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LomaLargaProjectMember" id="ec_LomaLargaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LoritoProjectMember" id="ec_LoritoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LoroProjectMember" id="ec_LoroProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MansoyaProjectMember" id="ec_MansoyaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MoricheProjectMember" id="ec_MoricheProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NareSurProjectMember" id="ec_NareSurProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NutriaProjectMember" id="ec_NutriaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OritoProjectMember" id="ec_OritoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PachaquiaroProjectMember" id="ec_PachaquiaroProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PalaguaProjectMember" id="ec_PalaguaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PalermoSantaClaraUnificadoProjectMember" id="ec_PalermoSantaClaraUnificadoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PalograndeProjectMember" id="ec_PalograndeProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PautoSurProjectMember" id="ec_PautoSurProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PautoSurRecetorProjectMember" id="ec_PautoSurRecetorProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PenasBlancasProjectMember" id="ec_PenasBlancasProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProvinciaProjectMember" id="ec_ProvinciaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="QuriyanaProjectMember" id="ec_QuriyanaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RecetorWestProjectMember" id="ec_RecetorWestProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RioCeibasProjectMember" id="ec_RioCeibasProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RubialesProjectMember" id="ec_RubialesProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SanAntonioProjectMember" id="ec_SanAntonioProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SanFranciscoProjectMember" id="ec_SanFranciscoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SanRoqueProjectMember" id="ec_SanRoqueProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SardinataProjectMember" id="ec_SardinataProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SaurioProjectMember" id="ec_SaurioProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SucioProjectMember" id="ec_SucioProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SucumbiosProjectMember" id="ec_SucumbiosProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SuriaProjectMember" id="ec_SuriaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SuriaSurProjectMember" id="ec_SuriaSurProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TananeProjectMember" id="ec_TananeProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TelloProjectMember" id="ec_TelloProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TempranilloUnificadoProjectMember" id="ec_TempranilloUnificadoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TenayProjectMember" id="ec_TenayProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TesoroProjectMember" id="ec_TesoroProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TibuProjectMember" id="ec_TibuProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TinamuProjectMember" id="ec_TinamuProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TisquiramaProjectMember" id="ec_TisquiramaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UnderriverProjectMember" id="ec_UnderriverProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UnificadoPalograndeProjectMember" id="ec_UnificadoPalograndeProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="YaguaraProjectMember" id="ec_YaguaraProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="YariguiCantagalloProjectMember" id="ec_YariguiCantagalloProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BloqueLla121ProjectMember" id="ec_BloqueLla121ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Guaoff1ProjectMember" id="ec_Guaoff1ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Guaoff10ProjectMember" id="ec_Guaoff10ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Vmm65ProjectMember" id="ec_Vmm65ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Vmm141ProjectMember" id="ec_Vmm141ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BloqueCpo9ProjectMember" id="ec_BloqueCpo9ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HuilaAndPutumayoFieldsProjectMember" id="ec_HuilaAndPutumayoFieldsProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CanoSurProjectMember" id="ec_CanoSurProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="VicepresidenciaRegionalOrinoquiaProjectMember" id="ec_VicepresidenciaRegionalOrinoquiaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LaCiraInfantasProjectMember" id="ec_LaCiraInfantasProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DalmatianProjectMember" id="ec_DalmatianProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EsoxProjectMember" id="ec_EsoxProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GunflintProjectMember" id="ec_GunflintProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="K2ProjectMember" id="ec_K2ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HocolProjectMember" id="ec_HocolProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChencheProjectMember" id="ec_ChencheProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EspinalProjectMember" id="ec_EspinalProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OrtegaProjectMember" id="ec_OrtegaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ToldadoProjectMember" id="ec_ToldadoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TotareProjectMember" id="ec_TotareProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ToyProjectMember" id="ec_ToyProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OceloteProjectMember" id="ec_OceloteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GuarrojoProjectMember" id="ec_GuarrojoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RioSaldanaProjectMember" id="ec_RioSaldanaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SantiagoProjectMember" id="ec_SantiagoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ToquiToquiProjectMember" id="ec_ToquiToquiProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MatachinNorteProjectMember" id="ec_MatachinNorteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MatachinSurProjectMember" id="ec_MatachinSurProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PurificacionProjectMember" id="ec_PurificacionProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LaCanadaProjectMember" id="ec_LaCanadaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LaHochaProjectMember" id="ec_LaHochaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CicucoProjectMember" id="ec_CicucoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LaPuntaProjectMember" id="ec_LaPuntaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SantoDomingoProjectMember" id="ec_SantoDomingoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PintadoProjectMember" id="ec_PintadoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ArjonaProjectMember" id="ec_ArjonaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GuajiraProjectMember" id="ec_GuajiraProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SamanProjectMember" id="ec_SamanProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Ssjn1ProjectMember" id="ec_Ssjn1ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Vim8ProjectMember" id="ec_Vim8ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BallenaProjectMember" id="ec_BallenaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CanoLimonProjectMember" id="ec_CanoLimonProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChucuhpaProjectMember" id="ec_ChucuhpaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OripayaProjectMember" id="ec_OripayaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PayoaProjectMember" id="ec_PayoaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SalinaProjectMember" id="ec_SalinaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OleoductoBicentenarioDeColombiaSasProjectMember" id="ec_OleoductoBicentenarioDeColombiaSasProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OleoductoDeLosLlanosOrientalesSaProjectMember" id="ec_OleoductoDeLosLlanosOrientalesSaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OleoductoDeColombiaSaProjectMember" id="ec_OleoductoDeColombiaSaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OleoductoCentralSaProjectMember" id="ec_OleoductoCentralSaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CenitProjectMember" id="ec_CenitProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OleoductoBicentenarioDeColombiaS.a.sMember" id="ec_OleoductoBicentenarioDeColombiaS.a.sMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OleoductoDeColombiaS.a.Member" id="ec_OleoductoDeColombiaS.a.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OleoductoDeLosLlanosOrientalesS.a.Member" id="ec_OleoductoDeLosLlanosOrientalesS.a.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OleoductoCentralSaMember" id="ec_OleoductoCentralSaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UpstreamMember" id="ec_UpstreamMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EcopetrolAmericaLlcMember" id="ec_EcopetrolAmericaLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TransitionEnergiesMember" id="ec_TransitionEnergiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CenitMember" id="ec_CenitMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EcopetrolS.a.Member" id="ec_EcopetrolS.a.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EcopetrolTradingAsiaMember" id="ec_EcopetrolTradingAsiaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResourcesGasMember" id="ec_ResourcesGasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResourcesLiquefiedPetroleumGasMember" id="ec_ResourcesLiquefiedPetroleumGasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResourcesNaturalGasMember" id="ec_ResourcesNaturalGasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResourcesNaturalGasAndLiquefiedPetroleumGasMember" id="ec_ResourcesNaturalGasAndLiquefiedPetroleumGasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResourcesOilGasNaturalMember" id="ec_ResourcesOilGasNaturalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResourcesOilMember" id="ec_ResourcesOilMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResourcesOilAndNaturalGasMember" id="ec_ResourcesOilAndNaturalGasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CenitTransporteYLogisticaDeHidrocarburosS.a.s.TransporteYLogisticaDeHidrocarburosS.a.sMember" id="ec_CenitTransporteYLogisticaDeHidrocarburosS.a.s.TransporteYLogisticaDeHidrocarburosS.a.sMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EcopetrolMember" id="ec_EcopetrolMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OleoductoDeLosLlanosS.a.Member" id="ec_OleoductoDeLosLlanosS.a.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MorroAraguaneyProjectMember" id="ec_MorroAraguaneyProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AndinaProjectMember" id="ec_AndinaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChuchupaProjectMember" id="ec_ChuchupaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CorazonProjectMember" id="ec_CorazonProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Cpo9ProjectMember" id="ec_Cpo9ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EAndPGuaOffProjectMember" id="ec_EAndPGuaOffProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EAndPGuaOff10ProjectMember" id="ec_EAndPGuaOff10ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Lla121ProjectMember" id="ec_Lla121ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TauramenaProjectMember" id="ec_TauramenaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GiganteProjectMember" id="ec_GiganteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HormigaProjectMember" id="ec_HormigaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LlanitoProjectMember" id="ec_LlanitoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PompeyaProjectMember" id="ec_PompeyaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SantaClaraProjectMember" id="ec_SantaClaraProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TempranilloProjectMember" id="ec_TempranilloProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AbanicoProjectMember" id="ec_AbanicoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AlqamariProjectMember" id="ec_AlqamariProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommercialAndMarketingVicePresidencyVcmMember" id="ec_CommercialAndMarketingVicePresidencyVcmMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HocolS.a.Member" id="ec_HocolS.a.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EcopetrolTradingAsiaPteMember" id="ec_EcopetrolTradingAsiaPteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BloqueGuaOff1Member" id="ec_BloqueGuaOff1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BloqueGuaOff10Member" id="ec_BloqueGuaOff10Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Lisama158ProjectMember" id="ec_Lisama158ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CiraProjectMember" id="ec_CiraProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Ssjs1ProjectMember" id="ec_Ssjs1ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Sn18ProjectMember" id="ec_Sn18ProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ArrecifeMember" id="ec_ArrecifeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NareProjectMember" id="ec_NareProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="YariguiProjectMember" id="ec_YariguiProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GovernmentOfSingaporeMember" id="ec_GovernmentOfSingaporeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AraucaProjectMember" id="ec_AraucaProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DinaCretaceoProjectMember" id="ec_DinaCretaceoProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LaCanadaNorteProjectMember" id="ec_LaCanadaNorteProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResourcesCrudoMember" id="ec_ResourcesCrudoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EcopetrolUsaIncMember" id="ec_EcopetrolUsaIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
