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  <xs:element id="civi_QuarterlyVariableDividendMember" abstract="true" name="QuarterlyVariableDividendMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types: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_LongTermPurchaseCommitmentDailySalesVolumeThroughYearSevenCommitmentRequirement" abstract="false" name="LongTermPurchaseCommitmentDailySalesVolumeThroughYearSevenCommitmentRequirement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:volumeItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpirationsInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpirationsInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <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_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountNotRedeemed" abstract="false" name="DebtInstrumentRedemptionPricePercentageOfPrincipalAmountNotRedeemed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="civi_CommonStockCashDividendsCriteriaFreeCashFlowAfterBaseCashDividendPrecedingTwelveMonthPeriodPercent" abstract="false" name="CommonStockCashDividendsCriteriaFreeCashFlowAfterBaseCashDividendPrecedingTwelveMonthPeriodPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="civi_NaturalGasCommitmentMember" abstract="true" name="NaturalGasCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardVestingRightsMeasurementPeriodNumberOfTradingDays" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardVestingRightsMeasurementPeriodNumberOfTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="civi_SeniorNotesDue202650IndentureMember" abstract="true" name="SeniorNotesDue202650IndentureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_NaturalGasAndFreshWaterCommitmentMember" abstract="true" name="NaturalGasAndFreshWaterCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_ThirdPartyMidstreamProviderMember" abstract="true" name="ThirdPartyMidstreamProviderMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_NonexecutiveBoardMembersMember" abstract="true" name="NonexecutiveBoardMembersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_RevolvingCreditFacilityAndLetterOfCreditMember" abstract="true" name="RevolvingCreditFacilityAndLetterOfCreditMember" 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-types:domainItemType"/>
  <xs:element id="civi_OilAndGasJointInterestBillingReceivablesAndOtherReceivablesNetCurrent" abstract="false" name="OilAndGasJointInterestBillingReceivablesAndOtherReceivablesNetCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_LongTermPurchaseCommitmentAnnualMinimumVolumeRequirement" abstract="false" name="LongTermPurchaseCommitmentAnnualMinimumVolumeRequirement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:volumeItemType"/>
  <xs:element id="civi_QuarterlyBaseDividendMember" abstract="true" name="QuarterlyBaseDividendMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_AmendedCreditAgreementMember" abstract="true" name="AmendedCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_BisonOilGasIILLCAcquisitionMember" abstract="true" name="BisonOilGasIILLCAcquisitionMember" 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_DeferredStockUnitsDSUsMember" abstract="true" name="DeferredStockUnitsDSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract" abstract="true" name="WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="civi_CurrentDerivativeAssetsMember" abstract="true" name="CurrentDerivativeAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ProvedOilAndGasPropertySuccessfulEffortMethodNet" abstract="false" name="ProvedOilAndGasPropertySuccessfulEffortMethodNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_PaymentsToAcquireNonOperatedInterestsInOperatedWells" abstract="false" name="PaymentsToAcquireNonOperatedInterestsInOperatedWells" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_AccruedSettlementCurrent" abstract="false" name="AccruedSettlementCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_DerivativeAverageSoldPutPrice" abstract="false" name="DerivativeAverageSoldPutPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="srt-types:perUnitItemType"/>
  <xs:element id="civi_LongTermDrillingCommitmentMinimumNumberOfHorizontalWellsRequiredToBeDrilledTerm" abstract="false" name="LongTermDrillingCommitmentMinimumNumberOfHorizontalWellsRequiredToBeDrilledTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="civi_PurchaseObligationToBePaidAfterYearFour" abstract="false" name="PurchaseObligationToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="civi_LongTermPurchaseCommitmentDailyIncrementalVolumeRequirement" abstract="false" name="LongTermPurchaseCommitmentDailyIncrementalVolumeRequirement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:volumeItemType"/>
  <xs:element id="civi_ShareBasedPaymentArrangementVestingPeriodTwoTrancheTwoMember" abstract="true" name="ShareBasedPaymentArrangementVestingPeriodTwoTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSettleRatio" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSettleRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="civi_TwoWayCollarMember" abstract="true" name="TwoWayCollarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_A2023ShareRepurchasePlanMember" abstract="true" name="A2023ShareRepurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_DebtInstrumentCovenantInvestmentGradeRatingMinimumNumberOfRatingsAgencies" abstract="false" name="DebtInstrumentCovenantInvestmentGradeRatingMinimumNumberOfRatingsAgencies" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="civi_LongTermPurchaseCommitmentRemainingTerm" abstract="false" name="LongTermPurchaseCommitmentRemainingTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="civi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpirationsWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpirationsWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="civi_DividendsPaidTable" abstract="true" name="DividendsPaidTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="civi_MinimumCurrentRatioCovenant" abstract="false" name="MinimumCurrentRatioCovenant" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="civi_ExtractionMergerMember" abstract="true" name="ExtractionMergerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="civi_CorporateLeasesMember" abstract="true" name="CorporateLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
