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  <xs:element id="civi_PaymentsForPurchaseOfCarbonCreditsAndRenewableEnergyCredits" abstract="false" name="PaymentsForPurchaseOfCarbonCreditsAndRenewableEnergyCredits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_PaymentsToExploreAndDevelopOilAndGasPropertiesAndOtherProperties" abstract="false" name="PaymentsToExploreAndDevelopOilAndGasPropertiesAndOtherProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_ProceedsFromSaleOfOilAndGasPropertyAndEquipmentAndOtherPropertyAndEquipment" abstract="false" name="ProceedsFromSaleOfOilAndGasPropertyAndEquipmentAndOtherPropertyAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_OilAndGasProducingActivitiesDisclosureTextBlock" abstract="false" name="OilAndGasProducingActivitiesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="civi_CarbonCreditsAndRenewableEnergyCreditsPolicyPolicyTextBlock" abstract="false" name="CarbonCreditsAndRenewableEnergyCreditsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="civi_AcreageExchangesPolicyPolicyTextBlock" abstract="false" name="AcreageExchangesPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="civi_ScheduleOfFairValueLongTermDebtTableTextBlock" abstract="false" name="ScheduleOfFairValueLongTermDebtTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="civi_BalanceSheetActivityLesseeTableTextBlock" abstract="false" name="BalanceSheetActivityLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="civi_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="civi_ScheduleOfShareRepurchasesTableTextBlock" abstract="false" name="ScheduleOfShareRepurchasesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="civi_CollectionPeriodOfOilAndNaturalGasReceivables" abstract="false" name="CollectionPeriodOfOilAndNaturalGasReceivables" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="civi_CustomerAMember" abstract="true" name="CustomerAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_CustomerBMember" abstract="true" name="CustomerBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_CustomerCMember" abstract="true" name="CustomerCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_CustomerDMember" abstract="true" name="CustomerDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_HiberniaAcquisitionAndTapRockAcquisitionMember" abstract="true" name="HiberniaAcquisitionAndTapRockAcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_HiberniaAcquisitionMember" abstract="true" name="HiberniaAcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_TapRockAcquisitionMember" abstract="true" name="TapRockAcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_VencerAcquisitionMember" abstract="true" name="VencerAcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_BusinessCombinationCashConsiderationToBePaid" abstract="false" name="BusinessCombinationCashConsiderationToBePaid" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOilAndGasJointInterestAndOtherReceivables" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOilAndGasJointInterestAndOtherReceivables" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedProvedOilAndGasPropertySuccessfulEffortMethodNet" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedProvedOilAndGasPropertySuccessfulEffortMethodNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedUnprovedOilAndGasPropertySuccessfulEffortMethodNet" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedUnprovedOilAndGasPropertySuccessfulEffortMethodNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherPropertyPlantAndEquipmentNet" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherPropertyPlantAndEquipmentNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesProductionTaxesPayable" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesProductionTaxesPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedRoyalties" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedRoyalties" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAdValoremTaxes" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAdValoremTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesAssetRetirementObligations" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesAssetRetirementObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredRevenue" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredRevenue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_BusinessCombinationDiscountedCashConsiderationToBePaid" abstract="false" name="BusinessCombinationDiscountedCashConsiderationToBePaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_DenverJulesburgBasinMember" abstract="true" name="DenverJulesburgBasinMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_PermianBasinMember" abstract="true" name="PermianBasinMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_DrillingAndCompletionCostsCurrent" abstract="false" name="DrillingAndCompletionCostsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_AccruedGeneralAndAdministrativeCostCurrent" abstract="false" name="AccruedGeneralAndAdministrativeCostCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_AccruedMergerTransactionCostsCurrent" abstract="false" name="AccruedMergerTransactionCostsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_AccruedInterestCurrent" abstract="false" name="AccruedInterestCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_SeniorNotesDue202650Member" abstract="true" name="SeniorNotesDue202650Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_SeniorNotesDue20288375Member" abstract="true" name="SeniorNotesDue20288375Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_SeniorNotesDue20308625Member" abstract="true" name="SeniorNotesDue20308625Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_SeniorNotesDue20318750Member" abstract="true" name="SeniorNotesDue20318750Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_LongTermDebtIncludingBusinessCombinationLiabilityCurrent" abstract="false" name="LongTermDebtIncludingBusinessCombinationLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_AmendedCreditAgreementMember" abstract="true" name="AmendedCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_SeniorNotesDue20288375AndSeniorNotesDues20318750Member" abstract="true" name="SeniorNotesDue20288375AndSeniorNotesDues20318750Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_DebtInstrumentRedemptionPeriodSixMember" abstract="true" name="DebtInstrumentRedemptionPeriodSixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_DebtInstrumentRedemptionPeriodSevenMember" abstract="true" name="DebtInstrumentRedemptionPeriodSevenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_DebtInstrumentRedemptionPeriodEightMember" abstract="true" name="DebtInstrumentRedemptionPeriodEightMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_SecuredOvernightFinancingRateSOFRPlusBasisSpreadOneMember" abstract="true" name="SecuredOvernightFinancingRateSOFRPlusBasisSpreadOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_LineOfCreditFacilityAdditionalBorrowingCapacity" abstract="false" name="LineOfCreditFacilityAdditionalBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_LineOfCreditFacilityAccordionFeatureAdditionalBorrowingCapacity" abstract="false" name="LineOfCreditFacilityAccordionFeatureAdditionalBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_LineOfCreditFacilityAccordionFeatureIncreaseLimit" abstract="false" name="LineOfCreditFacilityAccordionFeatureIncreaseLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_DebtInstrumentFloorOfVariableRateBasis" abstract="false" name="DebtInstrumentFloorOfVariableRateBasis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="civi_LineOfCreditCovenantMortgageOnTotalValueOfCertainProvedOilAndGasPropertyMinimumPercent" abstract="false" name="LineOfCreditCovenantMortgageOnTotalValueOfCertainProvedOilAndGasPropertyMinimumPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="civi_DebtInstrumentCovenantLeverageRatioMaximum" abstract="false" name="DebtInstrumentCovenantLeverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="civi_MinimumCurrentRatioCovenant" abstract="false" name="MinimumCurrentRatioCovenant" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="civi_InterestExpenseDebtIncludingCapitalizedInterest" abstract="false" name="InterestExpenseDebtIncludingCapitalizedInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_DebtInstrumentRedemptionPriceRedemptionPeriod" abstract="false" name="DebtInstrumentRedemptionPriceRedemptionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="civi_BusinessCombinationCashConsiderationPaid" abstract="false" name="BusinessCombinationCashConsiderationPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_RevolvingCreditFacilityAndLetterOfCreditMember" abstract="true" name="RevolvingCreditFacilityAndLetterOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_LongTermLineOfCreditAndLineOfCreditFacilityRemainingBorrowingCapacity" abstract="false" name="LongTermLineOfCreditAndLineOfCreditFacilityRemainingBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_NGLCrudeLogisticsMember" abstract="true" name="NGLCrudeLogisticsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_WaterSuppliersMember" abstract="true" name="WaterSuppliersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_ThirdPartyMidstreamProviderMember" abstract="true" name="ThirdPartyMidstreamProviderMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_NaturalGasAndFreshWaterMember" abstract="true" name="NaturalGasAndFreshWaterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_PurchaseObligationTypeAxis" abstract="true" name="PurchaseObligationTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="civi_PurchaseObligationTypeDomain" abstract="true" name="PurchaseObligationTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_CrudeOilCommitmentMember" abstract="true" name="CrudeOilCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_NaturalGasCommitmentAndTakeInKindNaturalGasLiquidsCommitmentMember" abstract="true" name="NaturalGasCommitmentAndTakeInKindNaturalGasLiquidsCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_NaturalGasCommitmentMember" abstract="true" name="NaturalGasCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_TakeInKindNaturalGasLiquidsCommitmentMember" abstract="true" name="TakeInKindNaturalGasLiquidsCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_NaturalGasAndFreshWaterCommitmentMember" abstract="true" name="NaturalGasAndFreshWaterCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_LongTermPurchaseCommitmentGrossDailyMinimumVolumeRequirement" abstract="false" name="LongTermPurchaseCommitmentGrossDailyMinimumVolumeRequirement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:volumeItemType"/>
  <xs:element id="civi_LongTermPurchaseCommitmentAnnualMinimumVolumeRequirement" abstract="false" name="LongTermPurchaseCommitmentAnnualMinimumVolumeRequirement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:volumeItemType"/>
  <xs:element id="civi_LongTermPurchaseCommitmentDailySalesVolumeThroughYearSevenCommitmentRequirement" abstract="false" name="LongTermPurchaseCommitmentDailySalesVolumeThroughYearSevenCommitmentRequirement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:volumeItemType"/>
  <xs:element id="civi_LongTermPurchaseCommitmentDailySalesVolumeCommitmentRequirementMonthlyMaximumRollForwardShortfallCriteriaPercent" abstract="false" name="LongTermPurchaseCommitmentDailySalesVolumeCommitmentRequirementMonthlyMaximumRollForwardShortfallCriteriaPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="civi_LongTermPurchaseCommitmentExpectedShortfallPayments" abstract="false" name="LongTermPurchaseCommitmentExpectedShortfallPayments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_LongTermDrillingCommitmentNumberOfQualifyingWellsRequiredToBeDrilled" abstract="false" name="LongTermDrillingCommitmentNumberOfQualifyingWellsRequiredToBeDrilled" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="civi_LongTermDrillingCommitmentMinimumNumberOfHorizontalWellsRequiredToBeDrilledTerm" abstract="false" name="LongTermDrillingCommitmentMinimumNumberOfHorizontalWellsRequiredToBeDrilledTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="civi_LTIPMember" abstract="true" name="LTIPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_LongTermIncentivePlan2024Member" abstract="true" name="LongTermIncentivePlan2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ATSRMember" abstract="true" name="ATSRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_RTSRMember" abstract="true" name="RTSRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ExtractionEquityPlanMember" abstract="true" name="ExtractionEquityPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_RestrictedStockUnitsRSUsAndDeferredStockUnitsDSUsMember" abstract="true" name="RestrictedStockUnitsRSUsAndDeferredStockUnitsDSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_DeferredStockUnitsDSUsMember" abstract="true" name="DeferredStockUnitsDSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_PerformanceSharesGrantedPriorToFiscal2023Member" abstract="true" name="PerformanceSharesGrantedPriorToFiscal2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_PerformanceSharesGrantedInFiscal2021Member" abstract="true" name="PerformanceSharesGrantedInFiscal2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ShareBasedPaymentArrangementVestingPeriodOneMember" abstract="true" name="ShareBasedPaymentArrangementVestingPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_ShareBasedPaymentArrangementVestingPeriodTwoMember" abstract="true" name="ShareBasedPaymentArrangementVestingPeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_ShareBasedPaymentArrangementVestingPeriodTwoTrancheOneMember" abstract="true" name="ShareBasedPaymentArrangementVestingPeriodTwoTrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_ShareBasedPaymentArrangementVestingPeriodTwoTrancheTwoMember" abstract="true" name="ShareBasedPaymentArrangementVestingPeriodTwoTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_ShareBasedPaymentArrangementVestingPeriodThreeMember" abstract="true" name="ShareBasedPaymentArrangementVestingPeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ShareBasedPaymentArrangementVestingPeriodThreeTrancheOneMember" abstract="true" name="ShareBasedPaymentArrangementVestingPeriodThreeTrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ShareBasedPaymentArrangementVestingPeriodThreeTrancheTwoMember" abstract="true" name="ShareBasedPaymentArrangementVestingPeriodThreeTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ShareBasedPaymentArrangementVestingPeriodThreeTrancheThreeMember" abstract="true" name="ShareBasedPaymentArrangementVestingPeriodThreeTrancheThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_NonexecutiveBoardMembersMember" abstract="true" name="NonexecutiveBoardMembersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesReleasedUponVesting" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesReleasedUponVesting" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceAchievementPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceAchievementPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="civi_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedFairValue" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSettleRatio" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSettleRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedOrAssumedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedOrAssumedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedOrAssumedInPeriodWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedOrAssumedInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsTargetAmountMultiplier" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsTargetAmountMultiplier" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceMultiplierGrantsInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceMultiplierGrantsInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceMultipleGrantsInPeriodWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceMultipleGrantsInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="civi_PerformanceSharesTotalShareholderReturnCriterionMember" abstract="true" name="PerformanceSharesTotalShareholderReturnCriterionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_LongTermDebtFairValuePercentOfPar" abstract="false" name="LongTermDebtFairValuePercentOfPar" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="civi_ImpairmentOfProvedProperties" abstract="false" name="ImpairmentOfProvedProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_NaturalGasPermianBasinBasisMember" abstract="true" name="NaturalGasPermianBasinBasisMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_NaturalGasPermianBasinIndexMember" abstract="true" name="NaturalGasPermianBasinIndexMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_TwoWayCollarMember" abstract="true" name="TwoWayCollarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_DerivativeAverageContractPrice" abstract="false" name="DerivativeAverageContractPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="srt-types:perUnitItemType"/>
  <xs:element id="civi_CurrentDerivativeAssetsMember" abstract="true" name="CurrentDerivativeAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_LongTermDerivativeAssetsMember" abstract="true" name="LongTermDerivativeAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_AssetRetirementObligationLiabilitiesIncurredFromAcquisitions" abstract="false" name="AssetRetirementObligationLiabilitiesIncurredFromAcquisitions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_AssetRetirementObligationDischargedWithRetirementsAndDivestitures" abstract="false" name="AssetRetirementObligationDischargedWithRetirementsAndDivestitures" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_DeferredTaxAssetsReclamationCosts" abstract="false" name="DeferredTaxAssetsReclamationCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_DeferredTaxAssetsLeasingArrangements" abstract="false" name="DeferredTaxAssetsLeasingArrangements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_DeferredTaxAssetsTaxDeferredExpenseTransactionCosts" abstract="false" name="DeferredTaxAssetsTaxDeferredExpenseTransactionCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_DeferredTaxAssetsOtherLongTermLiabilities" abstract="false" name="DeferredTaxAssetsOtherLongTermLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_OperatingLossCarryforwardsNotBenefitedForFinancialStatementPurposes" abstract="false" name="OperatingLossCarryforwardsNotBenefitedForFinancialStatementPurposes" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_EffectiveIncomeTaxRateReconciliationSection162MLimitationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationSection162MLimitationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_EffectiveIncomeTaxRateReconciliationBargainPurchaseGainAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationBargainPurchaseGainAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_EffectiveIncomeTaxReconciliationPermanentDifferencesAmount" abstract="false" name="EffectiveIncomeTaxReconciliationPermanentDifferencesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_CorporateLeasesMember" abstract="true" name="CorporateLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_OperatingLeaseAssetsAndLiabilitiesLesseeAbstract" abstract="true" name="OperatingLeaseAssetsAndLiabilitiesLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="civi_OperatingLeaseWeightedAverageInformationAbstract" abstract="true" name="OperatingLeaseWeightedAverageInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="civi_SupplementalNonCashInvestingAndFinancingActivitiesAbstract" abstract="true" name="SupplementalNonCashInvestingAndFinancingActivitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="civi_ChangesInWorkingCapitalRelatedToDrillingExpendituresAndPropertyAcquisition" abstract="false" name="ChangesInWorkingCapitalRelatedToDrillingExpendituresAndPropertyAcquisition" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_SupplementalCashFlowInformationRelatedToLeasesAbstract" abstract="true" name="SupplementalCashFlowInformationRelatedToLeasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="civi_CPPIBCrestonePeakResourcesCanadaIncMember" abstract="true" name="CPPIBCrestonePeakResourcesCanadaIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_A2024ShareRepurchasePlanMember" abstract="true" name="A2024ShareRepurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_VencerEnergyLLCMember" abstract="true" name="VencerEnergyLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_OtherTransactionsMember" abstract="true" name="OtherTransactionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_NGPTapRockHoldingsLLCAndCertainAffiliatesMember" abstract="true" name="NGPTapRockHoldingsLLCAndCertainAffiliatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_DividendsPaidTable" abstract="true" name="DividendsPaidTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="civi_O2022ADividendsMember" abstract="true" name="O2022ADividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_O2023ADividendsMember" abstract="true" name="O2023ADividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_O2024ADividendsMember" abstract="true" name="O2024ADividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_S2022ADividendsMember" abstract="true" name="S2022ADividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_S2023ADividendsMember" abstract="true" name="S2023ADividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_S2024ADividendsMember" abstract="true" name="S2024ADividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_DividendsPaidLineItems" abstract="true" name="DividendsPaidLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="civi_UnusedCommitments" abstract="false" name="UnusedCommitments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_NonRecurringGeneralAndAdministrativeExpense" abstract="false" name="NonRecurringGeneralAndAdministrativeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_AdjustedEBITDAX" abstract="false" name="AdjustedEBITDAX" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_PriceRelatedRevisionsMember" abstract="true" name="PriceRelatedRevisionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_HorizontalDevelopmentMember" abstract="true" name="HorizontalDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_ProvedDevelopedandUndevelopedReserveRevisionsByTypeAxis" abstract="true" name="ProvedDevelopedandUndevelopedReserveRevisionsByTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="civi_ProvedDevelopedandUndevelopedReserveRevisionsByTypeDomain" abstract="true" name="ProvedDevelopedandUndevelopedReserveRevisionsByTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_ProvedReservesDemotedtoNonProvedMember" abstract="true" name="ProvedReservesDemotedtoNonProvedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_NonProducingWellsExpectedToBeOrHaveBeenPluggedAndAbandonedNegativeRevisionMember" abstract="true" name="NonProducingWellsExpectedToBeOrHaveBeenPluggedAndAbandonedNegativeRevisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_UpdateToProductionCostsNegativeRevisionMember" abstract="true" name="UpdateToProductionCostsNegativeRevisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_UpdateToWellPerformanceNegativeRevisionMember" abstract="true" name="UpdateToWellPerformanceNegativeRevisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_InterestsAndPositiveVolumeChangesInNaturalGasShrinksAndNGLYieldsMember" abstract="true" name="InterestsAndPositiveVolumeChangesInNaturalGasShrinksAndNGLYieldsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_WellPerformanceForecastsAndNGLYieldsMember" abstract="true" name="WellPerformanceForecastsAndNGLYieldsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="civi_PriceDifferentialsNaturalGasShrinksAndNGLYieldsMember" abstract="true" name="PriceDifferentialsNaturalGasShrinksAndNGLYieldsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_UpdateToWellPerformancePositiveRevisionMember" abstract="true" name="UpdateToWellPerformancePositiveRevisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_InterestAndOtherMember" abstract="true" name="InterestAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ProvedDevelopedAndUndevelopedReservesDivestitureOfReserves" abstract="false" name="ProvedDevelopedAndUndevelopedReservesDivestitureOfReserves" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:volumeItemType"/>
  <xs:element id="civi_ProvedDevelopedandUndevelopedReservesRemovedfromCapitalProgram" abstract="false" name="ProvedDevelopedandUndevelopedReservesRemovedfromCapitalProgram" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:volumeItemType"/>
  <xs:element id="civi_ProvedDevelopedAndUndevelopedReservesEnergyEquivalentsExtensionsDiscoveriesAndAdditions" abstract="false" name="ProvedDevelopedAndUndevelopedReservesEnergyEquivalentsExtensionsDiscoveriesAndAdditions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:energyItemType"/>
  <xs:element id="civi_ProvedDevelopedAndUndevelopedReserveDrillingProgramTerm" abstract="false" name="ProvedDevelopedAndUndevelopedReserveDrillingProgramTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="civi_OilAndGasAverageSalePriceDecrease" abstract="false" name="OilAndGasAverageSalePriceDecrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="srt-types:perUnitItemType"/>
  <xs:element id="civi_OilAndGasAverageSalePriceIncrease" abstract="false" name="OilAndGasAverageSalePriceIncrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="srt-types:perUnitItemType"/>
  <xs:element id="civi_FutureNetCashFlowsRelatingToProvedOilAndGasReservesEstimatedTimingOfCashFlowsDiscountRate" abstract="false" name="FutureNetCashFlowsRelatingToProvedOilAndGasReservesEstimatedTimingOfCashFlowsDiscountRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="civi_DecreaseDueToDivestitureOfReserves" abstract="false" name="DecreaseDueToDivestitureOfReserves" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_OperatingLeaseAndFinanceLeaseLiabilityNoncurrent" abstract="false" name="OperatingLeaseAndFinanceLeaseLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_OperatingLeaseAndFinanceLeaseLiabilityCurrent" abstract="false" name="OperatingLeaseAndFinanceLeaseLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
