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  <xsd:element name="DebtInstrumentPrepaymentThresholdWrittenNoticePeriodForWaiverOfPenalty" id="ep_DebtInstrumentPrepaymentThresholdWrittenNoticePeriodForWaiverOfPenalty" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdBusinessDaysAfterOriginalIssuanceOfDebtRequestForAdditionalDebt" id="ep_ThresholdBusinessDaysAfterOriginalIssuanceOfDebtRequestForAdditionalDebt" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentAdditionalDebt" id="ep_DebtInstrumentAdditionalDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ThresholdPeriodForSanctionOfAdditionalDebt" id="ep_ThresholdPeriodForSanctionOfAdditionalDebt" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdPeriodAfterEquityRaiseForRepayment" id="ep_ThresholdPeriodAfterEquityRaiseForRepayment" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="VariousVehicleAndEquipmentLoansMember" id="ep_VariousVehicleAndEquipmentLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LongTermDebtExcludingNotesPayableNonCurrent" id="ep_LongTermDebtExcludingNotesPayableNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MaximumNumberOfSharesIssuableUpOnConversionsAndWarrantExercises" id="ep_MaximumNumberOfSharesIssuableUpOnConversionsAndWarrantExercises" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PaymentForCapitalExpendituresOilAndNaturalGasProperties" id="ep_PaymentForCapitalExpendituresOilAndNaturalGasProperties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="February2026RightsOfferingMember" id="ep_February2026RightsOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LineOfCreditFacilityExtensionFee" id="ep_LineOfCreditFacilityExtensionFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NotePayableToInsuranceProviderAndVehicleAndEquipmentLoansMember" id="ep_NotePayableToInsuranceProviderAndVehicleAndEquipmentLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DerivativeBlendedPrice" id="ep_DerivativeBlendedPrice" type="srt-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="March2026RightsOfferingMember" id="ep_March2026RightsOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AtMarketOfferingMember" id="ep_AtMarketOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SubscriptionRightsOfferingMaximumValueOfOfferingAgreedToBeMadeUnderShelfRegistrationStatement" id="ep_SubscriptionRightsOfferingMaximumValueOfOfferingAgreedToBeMadeUnderShelfRegistrationStatement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CommodityContractThirdQuarterContractsMember" id="ep_CommodityContractThirdQuarterContractsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CorporateOfficeOnLeaseMember" id="ep_CorporateOfficeOnLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SubscriptionRightsOfferingMaximumValueOfOfferingAgreedToBeMade" id="ep_SubscriptionRightsOfferingMaximumValueOfOfferingAgreedToBeMade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SubscriptionRightsOfferingMaximumValueOfOfferingAbleToBeMadeUnderShelfRegistrationStatement" id="ep_SubscriptionRightsOfferingMaximumValueOfOfferingAbleToBeMadeUnderShelfRegistrationStatement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CommodityDerivativeInstrumentsPolicyTextBlock" id="ep_CommodityDerivativeInstrumentsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThreeWellOilAndNaturalGasDevelopmentProgramMember" id="ep_ThreeWellOilAndNaturalGasDevelopmentProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OffsettingAssetsAndLiabilitiesTableTextBlock" id="ep_OffsettingAssetsAndLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossSettlementsPaid" id="ep_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossSettlementsPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DerivativeAssetSubjectToMasterNettingArrangementBeforeOffsetCurrent" id="ep_DerivativeAssetSubjectToMasterNettingArrangementBeforeOffsetCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DerivativeAssetSubjectToMasterNettingArrangementLiabilityOffsetCurrent" id="ep_DerivativeAssetSubjectToMasterNettingArrangementLiabilityOffsetCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DerivativeAssetSubjectToMasterNettingArrangementAfterOffsetCurrent" id="ep_DerivativeAssetSubjectToMasterNettingArrangementAfterOffsetCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DerivativeLiabilitySubjectToMasterNettingArrangementBeforeOffsetCurrent" id="ep_DerivativeLiabilitySubjectToMasterNettingArrangementBeforeOffsetCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DerivativeLiabilitySubjectToMasterNettingArrangementAssetOffsetCurrent" id="ep_DerivativeLiabilitySubjectToMasterNettingArrangementAssetOffsetCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DerivativeLiabilitySubjectToMasterNettingArrangementAfterOffsetCurrent" id="ep_DerivativeLiabilitySubjectToMasterNettingArrangementAfterOffsetCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PetroleumIndependentExplorationLlcAndRelatedEntitiesMember" id="ep_PetroleumIndependentExplorationLlcAndRelatedEntitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommodityHedgingInstallmentRepaymentTerm" id="ep_CommodityHedgingInstallmentRepaymentTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
</xsd:schema>
