<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a01b23-1a16-743c-9970-5dcbb57007fc,g:bb219d3d-b871-48aa-961a-c7a9c7397d3d-->
<xbrli:xbrl xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rxp="http://xbrl.sec.gov/rxp/2026" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:country="http://xbrl.sec.gov/country/2026" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:dei="http://xbrl.sec.gov/dei/2026" xmlns:gte="http://grantierra.com/20251231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xml:lang="en-US">
  <link:schemaRef xlink:href="gte-20251231.xsd" xlink:type="simple"/>
  <xbrli:unit id="usd">
    <xbrli:measure>iso4217:USD</xbrli:measure>
  </xbrli:unit>
  <xbrli:context id="c-1">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:NATIONALGOVERNMENTOFCOLOMBIANATIONALHYDROCARBONAGENCYOFCOLOMBIAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-2">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:NATIONALGOVERNMENTOFCOLOMBIADIRECTORATEOFNATIONALTAXESANDCUSTOMSOFCOLOMBIAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-3">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:NATIONALGOVERNMENTOFCOLOMBIAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-4">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALITYOFPUERTOASISMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-5">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALITYOFSANMARTINMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-6">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALITYOFVILLAGARZONMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-7">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:DISTRICTOFBOGOTAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-8">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALITYOFMOCOAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-9">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALITYOFRIODEOROMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-10">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALITYOFPIAMONTEMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-11">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALITYOFPUERTOGUZMANMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-12">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFPUTUMAYOMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-13">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALITYOFORITOMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-14">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CO</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:INDIGENOUSCOMMUNITYOFCABILDOAWAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-15">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:EC</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFECUADORSECRETARIATOFHIGHEREDUCATIONSCIENCETECHNOLOGYANDINNOVATIONMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-16">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:EC</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFECUADORMINISTRYOFENERGYANDNONRENEWABLENATURALRESOURCESOFECUADORMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-17">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:EC</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFECUADORCENTRALBANKOFECUADORMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-18">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:EC</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFECUADORINTERNALREVENUESERVICEMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-19">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:EC</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:DECENTRALIZEDAUTONOMOUSMUNICIPALGOVERNMENTOFQUITOFINANCIALMANAGEMENTMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-20">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:EC</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:SUPERINTENDENCYOFCOMPANIESSECURITIESANDINSURANCEFINANCIALMANAGEMENTMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-21">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAALBERTAENERGYANDMINERALSMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-22">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAFORESTRYANDPARKSMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-23">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTASERVICEALBERTALANDTITLESMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-24">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:ALBERTABOILERSSAFETYASSOCIATIONSERVICEALBERTALANDTITLESMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-25">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAWESTERNCANADASPILLSERVICEMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-26">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFCANADAINNOVATIONSCIENCEANDECONOMICDEVELOPMENTCANADA1Member</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-27">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFCANADAINNOVATIONSCIENCEANDECONOMICDEVELOPMENTCANADA2Member</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-28">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAALBERTAPETROLEUMMARKETINGCOMMISSIONMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-29">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAOILSANDSADMINISTRATIONANDSTRATEGICINFORMATIONSYSTEMMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-30">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAALBERTAENERGYFREEHOLDMINERALTAXSECTIONMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-31">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAALBERTADEPARTMENTOFENERGYMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-32">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAALBERTAENERGYREGULATORMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-33">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAALBERTAFINANCECORPORATEINCOMETAXSECTIONMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-34">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFALBERTAALBERTAENVIRONMENTANDPROTECTEDAREASMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-35">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALDISTRICTOFGREENVIEWNo16ALBERTAENVIRONMENTANDPROTECTEDAREASMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-36">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:CLEARWATERCOUNTYALBERTAENVIRONMENTANDPROTECTEDAREASMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-37">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:CLEARHILLSCOUNTYALBERTAENVIRONMENTANDPROTECTEDAREASMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-38">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:TOWNOFSEXSMITHALBERTAENVIRONMENTANDPROTECTEDAREASMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-39">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALDISTRICTOFLESSERSLAVERIVERALBERTAENVIRONMENTANDPROTECTEDAREASMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-40">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:COUNTYOFWETASKIWINNo.10ALBERTAENVIRONMENTANDPROTECTEDAREASMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-41">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:YELLOWHEADCOUNTYALBERTAENVIRONMENTANDPROTECTEDAREASMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-42">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:PONOKACOUNTYALBERTAENVIRONMENTANDPROTECTEDAREASMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-43">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:LETHBRIDGECOUNTYMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-44">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:REDDEERCOUNTYMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-45">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:COUNTYOFGRANDEPRAIRIENo.1Member</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-46">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:TOWNOFSYLVANLAKEMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-47">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:BRAZEAUCOUNTYMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-48">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:VULCANCOUNTYMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-49">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:LACOMBECOUNTYMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-50">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:COUNTYOFSTETTLERNo.6Member</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-51">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:MUNICIPALDISTRICTOFOPPORTUNITYNo.17Member</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-52">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:NORTHERNSUNRISECOUNTYMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-53">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:PROVINCEOFBRITISHCOLUMBIAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-54">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:INDIANOILANDGASCANADAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-55">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:WOODLANDCREEFIRSTNATIONMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-56">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:CA</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:GOVERNMENTOFCANADACANADAREVENUEAGENCYMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-57">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:CountryAxis">country:US</xbrldi:explicitMember>
        <xbrldi:explicitMember dimension="rxp:GovernmentAxis">gte:STATEOFDELAWARECANADAREVENUEAGENCYMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-58">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:MIDDLEMAGDALENABASINMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-59">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:PUTUMAYOBASINMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-60">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:ENTITYWIDE1Member</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-61">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:LLANOSBASINMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-62">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:SINUBASINMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-63">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:CATATUMBOBASINMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-64">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:LOWERMAGDALENABASINMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-65">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:CHANANGUEBLOCKMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-66">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:CHARAPABLOCKMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-67">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:ENTITYWIDEGRANTIERRAENERGYCOLOMBIAGMBHMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-68">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:IGUANABLOCKMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-69">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:PERICOBLOCKMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-70">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:CENTRALAREAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-71">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:OTHERMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-72">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:SIMONETTEAREAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-73">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:WAPITIAREAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-74">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:CLEARWATERAREAMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-75">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:ENTITYWIDEGRANTIERRACANADALTD.Member</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-76">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:ENTITYWIDEGTEALBERTAINC.Member</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-77">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="rxp:ProjectAxis">gte:ENTITYWIDEGRANTIERRAENERGYINC.Member</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="c-78">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.sec.gov/CIK">0001273441</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-12-31</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <rxp:Royalties id="f-1" contextRef="c-1" decimals="0" unitRef="usd">74057067</rxp:Royalties>
  <rxp:TotalPayments id="f-2" contextRef="c-1" decimals="0" unitRef="usd">74057067</rxp:TotalPayments>
  <rxp:Taxes id="f-3" contextRef="c-2" decimals="0" unitRef="usd">2138719</rxp:Taxes>
  <rxp:TotalPayments id="f-4" contextRef="c-2" decimals="0" unitRef="usd">2138719</rxp:TotalPayments>
  <rxp:Fees id="f-5" contextRef="c-3" decimals="0" unitRef="usd">1067224</rxp:Fees>
  <rxp:TotalPayments id="f-6" contextRef="c-3" decimals="0" unitRef="usd">1067224</rxp:TotalPayments>
  <rxp:Taxes id="f-7" contextRef="c-4" decimals="0" unitRef="usd">574234</rxp:Taxes>
  <rxp:Bonuses id="f-8" contextRef="c-4" decimals="0" unitRef="usd">127569</rxp:Bonuses>
  <rxp:TotalPayments id="f-9" contextRef="c-4" decimals="0" unitRef="usd">701803</rxp:TotalPayments>
  <rxp:Taxes id="f-10" contextRef="c-5" decimals="0" unitRef="usd">439523</rxp:Taxes>
  <rxp:Bonuses id="f-11" contextRef="c-5" decimals="0" unitRef="usd">192525</rxp:Bonuses>
  <rxp:TotalPayments id="f-12" contextRef="c-5" decimals="0" unitRef="usd">632048</rxp:TotalPayments>
  <rxp:Taxes id="f-13" contextRef="c-6" decimals="0" unitRef="usd">375072</rxp:Taxes>
  <rxp:Bonuses id="f-14" contextRef="c-6" decimals="0" unitRef="usd">3278</rxp:Bonuses>
  <rxp:TotalPayments id="f-15" contextRef="c-6" decimals="0" unitRef="usd">378350</rxp:TotalPayments>
  <rxp:Taxes id="f-16" contextRef="c-7" decimals="0" unitRef="usd">349745</rxp:Taxes>
  <rxp:TotalPayments id="f-17" contextRef="c-7" decimals="0" unitRef="usd">349745</rxp:TotalPayments>
  <rxp:Taxes id="f-18" contextRef="c-8" decimals="0" unitRef="usd">227657</rxp:Taxes>
  <rxp:Bonuses id="f-19" contextRef="c-8" decimals="0" unitRef="usd">96622</rxp:Bonuses>
  <rxp:TotalPayments id="f-20" contextRef="c-8" decimals="0" unitRef="usd">324279</rxp:TotalPayments>
  <rxp:Taxes id="f-21" contextRef="c-9" decimals="0" unitRef="usd">147523</rxp:Taxes>
  <rxp:Bonuses id="f-22" contextRef="c-9" decimals="0" unitRef="usd">59573</rxp:Bonuses>
  <rxp:TotalPayments id="f-23" contextRef="c-9" decimals="0" unitRef="usd">207096</rxp:TotalPayments>
  <rxp:Taxes id="f-24" contextRef="c-10" decimals="0" unitRef="usd">147454</rxp:Taxes>
  <rxp:Bonuses id="f-25" contextRef="c-10" decimals="0" unitRef="usd">52292</rxp:Bonuses>
  <rxp:TotalPayments id="f-26" contextRef="c-10" decimals="0" unitRef="usd">199746</rxp:TotalPayments>
  <rxp:Taxes id="f-27" contextRef="c-11" decimals="0" unitRef="usd">147454</rxp:Taxes>
  <rxp:TotalPayments id="f-28" contextRef="c-11" decimals="0" unitRef="usd">147454</rxp:TotalPayments>
  <rxp:Bonuses id="f-29" contextRef="c-12" decimals="0" unitRef="usd">95785</rxp:Bonuses>
  <rxp:TotalPayments id="f-30" contextRef="c-12" decimals="0" unitRef="usd">95785</rxp:TotalPayments>
  <rxp:Taxes id="f-31" contextRef="c-13" decimals="0" unitRef="usd">63226</rxp:Taxes>
  <rxp:Bonuses id="f-32" contextRef="c-13" decimals="0" unitRef="usd">14523</rxp:Bonuses>
  <rxp:TotalPayments id="f-33" contextRef="c-13" decimals="0" unitRef="usd">77749</rxp:TotalPayments>
  <rxp:Fees id="f-34" contextRef="c-14" decimals="0" unitRef="usd">77050</rxp:Fees>
  <rxp:TotalPayments id="f-35" contextRef="c-14" decimals="0" unitRef="usd">77050</rxp:TotalPayments>
  <rxp:Fees id="f-36" contextRef="c-15" decimals="0" unitRef="usd">191233</rxp:Fees>
  <rxp:TotalPayments id="f-37" contextRef="c-15" decimals="0" unitRef="usd">191233</rxp:TotalPayments>
  <rxp:Fees id="f-38" contextRef="c-16" decimals="0" unitRef="usd">457000</rxp:Fees>
  <rxp:TotalPayments id="f-39" contextRef="c-16" decimals="0" unitRef="usd">457000</rxp:TotalPayments>
  <rxp:Royalties id="f-40" contextRef="c-17" decimals="0" unitRef="usd">36238959</rxp:Royalties>
  <rxp:TotalPayments id="f-41" contextRef="c-17" decimals="0" unitRef="usd">36238959</rxp:TotalPayments>
  <rxp:Taxes id="f-42" contextRef="c-18" decimals="0" unitRef="usd">1998128</rxp:Taxes>
  <rxp:TotalPayments id="f-43" contextRef="c-18" decimals="0" unitRef="usd">1998128</rxp:TotalPayments>
  <rxp:Taxes id="f-44" contextRef="c-19" decimals="0" unitRef="usd">200398</rxp:Taxes>
  <rxp:TotalPayments id="f-45" contextRef="c-19" decimals="0" unitRef="usd">200398</rxp:TotalPayments>
  <rxp:Taxes id="f-46" contextRef="c-20" decimals="0" unitRef="usd">188159</rxp:Taxes>
  <rxp:TotalPayments id="f-47" contextRef="c-20" decimals="0" unitRef="usd">188159</rxp:TotalPayments>
  <rxp:Royalties id="f-48" contextRef="c-21" decimals="0" unitRef="usd">3459968</rxp:Royalties>
  <rxp:Fees id="f-49" contextRef="c-21" decimals="0" unitRef="usd">607773</rxp:Fees>
  <rxp:TotalPayments id="f-50" contextRef="c-21" decimals="0" unitRef="usd">4067741</rxp:TotalPayments>
  <rxp:Fees id="f-51" contextRef="c-22" decimals="0" unitRef="usd">1533</rxp:Fees>
  <rxp:TotalPayments id="f-52" contextRef="c-22" decimals="0" unitRef="usd">1533</rxp:TotalPayments>
  <rxp:Fees id="f-53" contextRef="c-23" decimals="0" unitRef="usd">12261</rxp:Fees>
  <rxp:TotalPayments id="f-54" contextRef="c-23" decimals="0" unitRef="usd">12261</rxp:TotalPayments>
  <rxp:Fees id="f-55" contextRef="c-24" decimals="0" unitRef="usd">60660</rxp:Fees>
  <rxp:TotalPayments id="f-56" contextRef="c-24" decimals="0" unitRef="usd">60660</rxp:TotalPayments>
  <rxp:Fees id="f-57" contextRef="c-25" decimals="0" unitRef="usd">8581</rxp:Fees>
  <rxp:TotalPayments id="f-58" contextRef="c-25" decimals="0" unitRef="usd">8581</rxp:TotalPayments>
  <rxp:Fees id="f-59" contextRef="c-26" decimals="0" unitRef="usd">11875</rxp:Fees>
  <rxp:TotalPayments id="f-60" contextRef="c-26" decimals="0" unitRef="usd">11875</rxp:TotalPayments>
  <rxp:Taxes id="f-61" contextRef="c-27" decimals="0" unitRef="usd">1089281</rxp:Taxes>
  <rxp:TotalPayments id="f-62" contextRef="c-27" decimals="0" unitRef="usd">1089281</rxp:TotalPayments>
  <rxp:Royalties id="f-63" contextRef="c-28" decimals="0" unitRef="usd">8674552</rxp:Royalties>
  <rxp:TotalPayments id="f-64" contextRef="c-28" decimals="0" unitRef="usd">8674552</rxp:TotalPayments>
  <rxp:Royalties id="f-65" contextRef="c-29" decimals="0" unitRef="usd">132026</rxp:Royalties>
  <rxp:TotalPayments id="f-66" contextRef="c-29" decimals="0" unitRef="usd">132026</rxp:TotalPayments>
  <rxp:Taxes id="f-67" contextRef="c-30" decimals="0" unitRef="usd">233592</rxp:Taxes>
  <rxp:TotalPayments id="f-68" contextRef="c-30" decimals="0" unitRef="usd">233592</rxp:TotalPayments>
  <rxp:Fees id="f-69" contextRef="c-31" decimals="0" unitRef="usd">2792676</rxp:Fees>
  <rxp:TotalPayments id="f-70" contextRef="c-31" decimals="0" unitRef="usd">2792676</rxp:TotalPayments>
  <rxp:Fees id="f-71" contextRef="c-32" decimals="0" unitRef="usd">1629270</rxp:Fees>
  <rxp:TotalPayments id="f-72" contextRef="c-32" decimals="0" unitRef="usd">1629270</rxp:TotalPayments>
  <rxp:Taxes id="f-73" contextRef="c-33" decimals="0" unitRef="usd">904662</rxp:Taxes>
  <rxp:TotalPayments id="f-74" contextRef="c-33" decimals="0" unitRef="usd">904662</rxp:TotalPayments>
  <rxp:Taxes id="f-75" contextRef="c-34" decimals="0" unitRef="usd">18511</rxp:Taxes>
  <rxp:TotalPayments id="f-76" contextRef="c-34" decimals="0" unitRef="usd">18511</rxp:TotalPayments>
  <rxp:Taxes id="f-77" contextRef="c-35" decimals="0" unitRef="usd">637931</rxp:Taxes>
  <rxp:TotalPayments id="f-78" contextRef="c-35" decimals="0" unitRef="usd">637931</rxp:TotalPayments>
  <rxp:Taxes id="f-79" contextRef="c-36" decimals="0" unitRef="usd">548223</rxp:Taxes>
  <rxp:TotalPayments id="f-80" contextRef="c-36" decimals="0" unitRef="usd">548223</rxp:TotalPayments>
  <rxp:Taxes id="f-81" contextRef="c-37" decimals="0" unitRef="usd">177</rxp:Taxes>
  <rxp:TotalPayments id="f-82" contextRef="c-37" decimals="0" unitRef="usd">177</rxp:TotalPayments>
  <rxp:Taxes id="f-83" contextRef="c-38" decimals="0" unitRef="usd">37872</rxp:Taxes>
  <rxp:TotalPayments id="f-84" contextRef="c-38" decimals="0" unitRef="usd">37872</rxp:TotalPayments>
  <rxp:Taxes id="f-85" contextRef="c-39" decimals="0" unitRef="usd">12463</rxp:Taxes>
  <rxp:TotalPayments id="f-86" contextRef="c-39" decimals="0" unitRef="usd">12463</rxp:TotalPayments>
  <rxp:Taxes id="f-87" contextRef="c-40" decimals="0" unitRef="usd">476285</rxp:Taxes>
  <rxp:TotalPayments id="f-88" contextRef="c-40" decimals="0" unitRef="usd">476285</rxp:TotalPayments>
  <rxp:Taxes id="f-89" contextRef="c-41" decimals="0" unitRef="usd">52023</rxp:Taxes>
  <rxp:TotalPayments id="f-90" contextRef="c-41" decimals="0" unitRef="usd">52023</rxp:TotalPayments>
  <rxp:Taxes id="f-91" contextRef="c-42" decimals="0" unitRef="usd">1778650</rxp:Taxes>
  <rxp:TotalPayments id="f-92" contextRef="c-42" decimals="0" unitRef="usd">1778650</rxp:TotalPayments>
  <rxp:Taxes id="f-93" contextRef="c-43" decimals="0" unitRef="usd">121142</rxp:Taxes>
  <rxp:TotalPayments id="f-94" contextRef="c-43" decimals="0" unitRef="usd">121142</rxp:TotalPayments>
  <rxp:Taxes id="f-95" contextRef="c-44" decimals="0" unitRef="usd">14505</rxp:Taxes>
  <rxp:TotalPayments id="f-96" contextRef="c-44" decimals="0" unitRef="usd">14505</rxp:TotalPayments>
  <rxp:Taxes id="f-97" contextRef="c-45" decimals="0" unitRef="usd">42497</rxp:Taxes>
  <rxp:TotalPayments id="f-98" contextRef="c-45" decimals="0" unitRef="usd">42497</rxp:TotalPayments>
  <rxp:Taxes id="f-99" contextRef="c-46" decimals="0" unitRef="usd">5557</rxp:Taxes>
  <rxp:TotalPayments id="f-100" contextRef="c-46" decimals="0" unitRef="usd">5557</rxp:TotalPayments>
  <rxp:Taxes id="f-101" contextRef="c-47" decimals="0" unitRef="usd">362268</rxp:Taxes>
  <rxp:TotalPayments id="f-102" contextRef="c-47" decimals="0" unitRef="usd">362268</rxp:TotalPayments>
  <rxp:Taxes id="f-103" contextRef="c-48" decimals="0" unitRef="usd">52010</rxp:Taxes>
  <rxp:TotalPayments id="f-104" contextRef="c-48" decimals="0" unitRef="usd">52010</rxp:TotalPayments>
  <rxp:Taxes id="f-105" contextRef="c-49" decimals="0" unitRef="usd">384574</rxp:Taxes>
  <rxp:TotalPayments id="f-106" contextRef="c-49" decimals="0" unitRef="usd">384574</rxp:TotalPayments>
  <rxp:Taxes id="f-107" contextRef="c-50" decimals="0" unitRef="usd">31141</rxp:Taxes>
  <rxp:TotalPayments id="f-108" contextRef="c-50" decimals="0" unitRef="usd">31141</rxp:TotalPayments>
  <rxp:Taxes id="f-109" contextRef="c-51" decimals="0" unitRef="usd">1683</rxp:Taxes>
  <rxp:TotalPayments id="f-110" contextRef="c-51" decimals="0" unitRef="usd">1683</rxp:TotalPayments>
  <rxp:Taxes id="f-111" contextRef="c-52" decimals="0" unitRef="usd">296</rxp:Taxes>
  <rxp:TotalPayments id="f-112" contextRef="c-52" decimals="0" unitRef="usd">296</rxp:TotalPayments>
  <rxp:Royalties id="f-113" contextRef="c-53" decimals="0" unitRef="usd">68957</rxp:Royalties>
  <rxp:Fees id="f-114" contextRef="c-53" decimals="0" unitRef="usd">12233</rxp:Fees>
  <rxp:TotalPayments id="f-115" contextRef="c-53" decimals="0" unitRef="usd">81190</rxp:TotalPayments>
  <rxp:Royalties id="f-116" contextRef="c-54" decimals="0" unitRef="usd">53978</rxp:Royalties>
  <rxp:Fees id="f-117" contextRef="c-54" decimals="0" unitRef="usd">1747</rxp:Fees>
  <rxp:TotalPayments id="f-118" contextRef="c-54" decimals="0" unitRef="usd">55725</rxp:TotalPayments>
  <rxp:Fees id="f-119" contextRef="c-55" decimals="0" unitRef="usd">6081</rxp:Fees>
  <rxp:TotalPayments id="f-120" contextRef="c-55" decimals="0" unitRef="usd">6081</rxp:TotalPayments>
  <rxp:Taxes id="f-121" contextRef="c-56" decimals="0" unitRef="usd">766919</rxp:Taxes>
  <rxp:TotalPayments id="f-122" contextRef="c-56" decimals="0" unitRef="usd">766919</rxp:TotalPayments>
  <rxp:Taxes id="f-123" contextRef="c-57" decimals="0" unitRef="usd">250970</rxp:Taxes>
  <rxp:TotalPayments id="f-124" contextRef="c-57" decimals="0" unitRef="usd">250970</rxp:TotalPayments>
  <rxp:Taxes id="f-125" contextRef="c-58" decimals="0" unitRef="usd">587047</rxp:Taxes>
  <rxp:Royalties id="f-126" contextRef="c-58" decimals="0" unitRef="usd">44344678</rxp:Royalties>
  <rxp:Fees id="f-127" contextRef="c-58" decimals="0" unitRef="usd">435591</rxp:Fees>
  <rxp:Bonuses id="f-128" contextRef="c-58" decimals="0" unitRef="usd">252097</rxp:Bonuses>
  <rxp:TotalPayments id="f-129" contextRef="c-58" decimals="0" unitRef="usd">45619413</rxp:TotalPayments>
  <rxp:Taxes id="f-130" contextRef="c-59" decimals="0" unitRef="usd">1535096</rxp:Taxes>
  <rxp:Royalties id="f-131" contextRef="c-59" decimals="0" unitRef="usd">29105060</rxp:Royalties>
  <rxp:Fees id="f-132" contextRef="c-59" decimals="0" unitRef="usd">483618</rxp:Fees>
  <rxp:Bonuses id="f-133" contextRef="c-59" decimals="0" unitRef="usd">390070</rxp:Bonuses>
  <rxp:TotalPayments id="f-134" contextRef="c-59" decimals="0" unitRef="usd">31513844</rxp:TotalPayments>
  <rxp:Taxes id="f-135" contextRef="c-60" decimals="0" unitRef="usd">2488464</rxp:Taxes>
  <rxp:Fees id="f-136" contextRef="c-60" decimals="0" unitRef="usd">111204</rxp:Fees>
  <rxp:TotalPayments id="f-137" contextRef="c-60" decimals="0" unitRef="usd">2599668</rxp:TotalPayments>
  <rxp:Royalties id="f-138" contextRef="c-61" decimals="0" unitRef="usd">607329</rxp:Royalties>
  <rxp:Fees id="f-139" contextRef="c-61" decimals="0" unitRef="usd">86373</rxp:Fees>
  <rxp:TotalPayments id="f-140" contextRef="c-61" decimals="0" unitRef="usd">693702</rxp:TotalPayments>
  <rxp:Fees id="f-141" contextRef="c-62" decimals="0" unitRef="usd">10348</rxp:Fees>
  <rxp:TotalPayments id="f-142" contextRef="c-62" decimals="0" unitRef="usd">10348</rxp:TotalPayments>
  <rxp:Fees id="f-143" contextRef="c-63" decimals="0" unitRef="usd">8744</rxp:Fees>
  <rxp:TotalPayments id="f-144" contextRef="c-63" decimals="0" unitRef="usd">8744</rxp:TotalPayments>
  <rxp:Fees id="f-145" contextRef="c-64" decimals="0" unitRef="usd">8396</rxp:Fees>
  <rxp:TotalPayments id="f-146" contextRef="c-64" decimals="0" unitRef="usd">8396</rxp:TotalPayments>
  <rxp:Royalties id="f-147" contextRef="c-65" decimals="0" unitRef="usd">10412472</rxp:Royalties>
  <rxp:Fees id="f-148" contextRef="c-65" decimals="0" unitRef="usd">312205</rxp:Fees>
  <rxp:TotalPayments id="f-149" contextRef="c-65" decimals="0" unitRef="usd">10724677</rxp:TotalPayments>
  <rxp:Royalties id="f-150" contextRef="c-66" decimals="0" unitRef="usd">18358758</rxp:Royalties>
  <rxp:Fees id="f-151" contextRef="c-66" decimals="0" unitRef="usd">195000</rxp:Fees>
  <rxp:TotalPayments id="f-152" contextRef="c-66" decimals="0" unitRef="usd">18553758</rxp:TotalPayments>
  <rxp:Taxes id="f-153" contextRef="c-67" decimals="0" unitRef="usd">2386685</rxp:Taxes>
  <rxp:TotalPayments id="f-154" contextRef="c-67" decimals="0" unitRef="usd">2386685</rxp:TotalPayments>
  <rxp:Royalties id="f-155" contextRef="c-68" decimals="0" unitRef="usd">6964800</rxp:Royalties>
  <rxp:Fees id="f-156" contextRef="c-68" decimals="0" unitRef="usd">141028</rxp:Fees>
  <rxp:TotalPayments id="f-157" contextRef="c-68" decimals="0" unitRef="usd">7105828</rxp:TotalPayments>
  <rxp:Royalties id="f-158" contextRef="c-69" decimals="0" unitRef="usd">502929</rxp:Royalties>
  <rxp:Fees id="f-159" contextRef="c-69" xsi:nil="true" unitRef="usd"></rxp:Fees>
  <rxp:TotalPayments id="f-160" contextRef="c-69" decimals="0" unitRef="usd">502929</rxp:TotalPayments>
  <rxp:Taxes id="f-161" contextRef="c-70" decimals="0" unitRef="usd">3843939</rxp:Taxes>
  <rxp:Royalties id="f-162" contextRef="c-70" decimals="0" unitRef="usd">9939085</rxp:Royalties>
  <rxp:Fees id="f-163" contextRef="c-70" decimals="0" unitRef="usd">4419617</rxp:Fees>
  <rxp:TotalPayments id="f-164" contextRef="c-70" decimals="0" unitRef="usd">18202641</rxp:TotalPayments>
  <rxp:Taxes id="f-165" contextRef="c-71" decimals="0" unitRef="usd">325747</rxp:Taxes>
  <rxp:Royalties id="f-166" contextRef="c-71" decimals="0" unitRef="usd">146540</rxp:Royalties>
  <rxp:Fees id="f-167" contextRef="c-71" decimals="0" unitRef="usd">184465</rxp:Fees>
  <rxp:TotalPayments id="f-168" contextRef="c-71" decimals="0" unitRef="usd">656752</rxp:TotalPayments>
  <rxp:Taxes id="f-169" contextRef="c-72" decimals="0" unitRef="usd">279825</rxp:Taxes>
  <rxp:Royalties id="f-170" contextRef="c-72" decimals="0" unitRef="usd">570619</rxp:Royalties>
  <rxp:Fees id="f-171" contextRef="c-72" decimals="0" unitRef="usd">166131</rxp:Fees>
  <rxp:TotalPayments id="f-172" contextRef="c-72" decimals="0" unitRef="usd">1016575</rxp:TotalPayments>
  <rxp:Taxes id="f-173" contextRef="c-73" decimals="0" unitRef="usd">328976</rxp:Taxes>
  <rxp:Royalties id="f-174" contextRef="c-73" decimals="0" unitRef="usd">1601211</rxp:Royalties>
  <rxp:Fees id="f-175" contextRef="c-73" decimals="0" unitRef="usd">213286</rxp:Fees>
  <rxp:TotalPayments id="f-176" contextRef="c-73" decimals="0" unitRef="usd">2143473</rxp:TotalPayments>
  <rxp:Taxes id="f-177" contextRef="c-74" decimals="0" unitRef="usd">14442</rxp:Taxes>
  <rxp:Royalties id="f-178" contextRef="c-74" decimals="0" unitRef="usd">132026</rxp:Royalties>
  <rxp:Fees id="f-179" contextRef="c-74" decimals="0" unitRef="usd">149316</rxp:Fees>
  <rxp:TotalPayments id="f-180" contextRef="c-74" decimals="0" unitRef="usd">295784</rxp:TotalPayments>
  <rxp:Taxes id="f-181" contextRef="c-75" decimals="0" unitRef="usd">2012414</rxp:Taxes>
  <rxp:Fees id="f-182" contextRef="c-75" decimals="0" unitRef="usd">11875</rxp:Fees>
  <rxp:TotalPayments id="f-183" contextRef="c-75" decimals="0" unitRef="usd">2024289</rxp:TotalPayments>
  <rxp:Taxes id="f-184" contextRef="c-76" decimals="0" unitRef="usd">766919</rxp:Taxes>
  <rxp:TotalPayments id="f-185" contextRef="c-76" decimals="0" unitRef="usd">766919</rxp:TotalPayments>
  <rxp:Taxes id="f-186" contextRef="c-77" decimals="0" unitRef="usd">250970</rxp:Taxes>
  <rxp:TotalPayments id="f-187" contextRef="c-77" decimals="0" unitRef="usd">250970</rxp:TotalPayments>
  <dei:DocumentType id="f-188" contextRef="c-78">2.01 SD</dei:DocumentType>
  <dei:AmendmentFlag id="f-189" contextRef="c-78">false</dei:AmendmentFlag>
  <dei:EntityCentralIndexKey id="f-190" contextRef="c-78">0001273441</dei:EntityCentralIndexKey>
  <dei:EntityRegistrantName id="f-191" contextRef="c-78">GRAN TIERRA ENERGY INC.</dei:EntityRegistrantName>
  <dei:DocumentPeriodEndDate id="f-192" contextRef="c-78">2025-12-31</dei:DocumentPeriodEndDate>
  <dei:EntityReportingCurrencyISOCode id="f-193" contextRef="c-78">USD</dei:EntityReportingCurrencyISOCode>
  <rxp:AlternativeReportingRegime id="f-194" contextRef="c-78">CA</rxp:AlternativeReportingRegime>
  <rxp:Taxes id="f-195" contextRef="c-78" decimals="0" unitRef="usd">14820524</rxp:Taxes>
  <rxp:Royalties id="f-196" contextRef="c-78" decimals="0" unitRef="usd">122685507</rxp:Royalties>
  <rxp:Fees id="f-197" contextRef="c-78" decimals="0" unitRef="usd">6937197</rxp:Fees>
  <rxp:Bonuses id="f-198" contextRef="c-78" decimals="0" unitRef="usd">642167</rxp:Bonuses>
  <rxp:TotalPayments id="f-199" contextRef="c-78" decimals="0" unitRef="usd">145085395</rxp:TotalPayments>
</xbrli:xbrl>
