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  <xsd:element id="epm_CostMethodInvestmentOwnershipPercentage" name="CostMethodInvestmentOwnershipPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="epm_CostMethodInvestmentOwnershipPercentageAfterConversionofPreferredStock" name="CostMethodInvestmentOwnershipPercentageAfterConversionofPreferredStock" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="epm_CostOfServicesDepreciationRelatedToRemovedandReinstalledWell" name="CostOfServicesDepreciationRelatedToRemovedandReinstalledWell" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_CostsIncurredAcquisitionOfOilAndGasPropertiesIncludingExplorationAndDevelopmentCost" name="CostsIncurredAcquisitionOfOilAndGasPropertiesIncludingExplorationAndDevelopmentCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_CostsIncurredOilandGasPropertiesTitleWork" name="CostsIncurredOilandGasPropertiesTitleWork" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_DebtCovenantMaximumTotalLeverageRatio" name="DebtCovenantMaximumTotalLeverageRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="epm_DebtServiceCoverageRatio" name="DebtServiceCoverageRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="epm_DeferredLegalFees" name="DeferredLegalFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_DeferredLoanCostsReclassifiedtoOilandGasPropertyCost" name="DeferredLoanCostsReclassifiedtoOilandGasPropertyCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_DeferredRent" name="DeferredRent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTaxNet" name="DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTaxNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="epm_DeferredTaxLiabilityTaxCreditCarryforwardsAlternativeMinimumTaxAssociatedWithWindfallTaxBenefit" name="DeferredTaxLiabilityTaxCreditCarryforwardsAlternativeMinimumTaxAssociatedWithWindfallTaxBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="epm_DeferredTaxesBusinessCombinationOperatingLossCarryforwardsAmountAvailableToUse" name="DeferredTaxesBusinessCombinationOperatingLossCarryforwardsAmountAvailableToUse" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="epm_DeferredTaxesBusinessCombinationOperatingLossCarryforwardsAnnualAmountAvailabletoUse" name="DeferredTaxesBusinessCombinationOperatingLossCarryforwardsAnnualAmountAvailabletoUse" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="epm_DehliFieldLitigationMember" name="DehliFieldLitigationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_DelhiFieldPropertyMember" name="DelhiFieldPropertyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_DenburyResourcesIncMember" name="DenburyResourcesIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_DepreciationDepletionAndAmortizationCashFlowsImpact" name="DepreciationDepletionAndAmortizationCashFlowsImpact" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral" name="DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="epm_DerivativeAssetLiabilityFairValueGrossAssetLiability" name="DerivativeAssetLiabilityFairValueGrossAssetLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="epm_DerivativeFairValueGrossAssetLiability" name="DerivativeFairValueGrossAssetLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="epm_DerivativeGainonSettledDerivatives" name="DerivativeGainonSettledDerivatives" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_DerivativeNetGainonUnsettledDerivatives" name="DerivativeNetGainonUnsettledDerivatives" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_DisposalGroupIncludingDiscontinuedOpeartionImpairmentofEquipmentInventory" name="DisposalGroupIncludingDiscontinuedOpeartionImpairmentofEquipmentInventory" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_DisposalGroupIncludingDiscontinuedOperationDiscountedNetPresentValueofAssets" name="DisposalGroupIncludingDiscontinuedOperationDiscountedNetPresentValueofAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="epm_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_ETCTexasPipelineLTDMember" name="ETCTexasPipelineLTDMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_EnterpriseCrudeOilLLCMember" name="EnterpriseCrudeOilLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_EvolutionPetroleumCorporationAmendedAndRestated2004StockPlanMember" name="EvolutionPetroleumCorporationAmendedAndRestated2004StockPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_FlintHillsResourcesLPMember" name="FlintHillsResourcesLPMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_GARPAssetsMember" name="GARPAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_GainLossonSettledDerivativeInstrumentsNetPretax" name="GainLossonSettledDerivativeInstrumentsNetPretax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_GainLossonUnsettledDerivativeInstrumentsNetPretax" name="GainLossonUnsettledDerivativeInstrumentsNetPretax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_GasPerMillionsOfBTUMember" name="GasPerMillionsOfBTUMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_GiddingsFieldMember" name="GiddingsFieldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_IncreaseDecreaseinAccountsPayableUsedtoAcquirePropertyandEquipment" name="IncreaseDecreaseinAccountsPayableUsedtoAcquirePropertyandEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_InsuranceRecoveriesRecoveryRelatedtoPreReversionEvent" name="InsuranceRecoveriesRecoveryRelatedtoPreReversionEvent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_InvestmentIncomeInterestandOther" name="InvestmentIncomeInterestandOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_LimitationOnCapitalizedCostsAbstract" name="LimitationOnCapitalizedCostsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_LineofCreditFacilityCovenantComplianceMinimumConsolidatedTangibleNetWorth" name="LineofCreditFacilityCovenantComplianceMinimumConsolidatedTangibleNetWorth" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="epm_LineofCreditFacilityInitialBorrowingBase" name="LineofCreditFacilityInitialBorrowingBase" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="epm_LineofCreditFacilityPlacementFeePercentage" name="LineofCreditFacilityPlacementFeePercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_LongtermPurchaseCommitmentRemainingMinimumAmountCommitted" name="LongtermPurchaseCommitmentRemainingMinimumAmountCommitted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_LossContingenciesPercentageofOverridingRoyaltyInterestinProductServicePurchased" name="LossContingenciesPercentageofOverridingRoyaltyInterestinProductServicePurchased" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_MineralPropertyDepletionMember" name="MineralPropertyDepletionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_NGLPlantProjectMember" name="NGLPlantProjectMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_NonCashTransactionAccruedPurchasesofTreasuryStock" name="NonCashTransactionAccruedPurchasesofTreasuryStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_NonCashTransactionRoyaltyRightsAcquiredThroughNonMonetaryExchangeofAssets" name="NonCashTransactionRoyaltyRightsAcquiredThroughNonMonetaryExchangeofAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_NoncashGainLossonLitigationSettlementFairValue" name="NoncashGainLossonLitigationSettlementFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_NoncashSettlementRelatedtoTaxWithholdingforSharebasedCompensation" name="NoncashSettlementRelatedtoTaxWithholdingforSharebasedCompensation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_NumberOfSharesReceivedFromOptionHolderInSwapInLieuOfCashPayment" name="NumberOfSharesReceivedFromOptionHolderInSwapInLieuOfCashPayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_NumberofEmployeesTerminatedinConnectionwithRestructuring" name="NumberofEmployeesTerminatedinConnectionwithRestructuring" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_OilAndGasContractsPercentageofNetProfitsfromProductionReceivedFromThirdPartyCustomer" name="OilAndGasContractsPercentageofNetProfitsfromProductionReceivedFromThirdPartyCustomer" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_OilAndGasPropertiesRevenueInterestPercentageRelatedtoReversionaryWorkingInterest" name="OilAndGasPropertiesRevenueInterestPercentageRelatedtoReversionaryWorkingInterest" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="epm_OilAndGasPropertiesReversionaryWorkingInterestPercentage" name="OilAndGasPropertiesReversionaryWorkingInterestPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="epm_OilPerBarrelMember" name="OilPerBarrelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_PaymentForAcquisitionOfOilAndGasProperties" name="PaymentForAcquisitionOfOilAndGasProperties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_PaymentForDevelopmentOfOilAndGasProperties" name="PaymentForDevelopmentOfOilAndGasProperties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="epm_PaymentsForPurchaseOfTreasuryStockCostMethod" name="PaymentsForPurchaseOfTreasuryStockCostMethod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_PayrollTaxesandBenefitsRestructuringMember" name="PayrollTaxesandBenefitsRestructuringMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_PercentageofCashDividendsTreatedasQualifiedDividendIncome" name="PercentageofCashDividendsTreatedasQualifiedDividendIncome" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_PercentageofCashDividendsTreatedasReturnofCapital" name="PercentageofCashDividendsTreatedasReturnofCapital" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_PeriodConsideredForDeterminingUnweightedArithmeticAverageOfFirstDayOfMonthCommodityPrices" name="PeriodConsideredForDeterminingUnweightedArithmeticAverageOfFirstDayOfMonthCommodityPrices" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_PeriodConsideredForUnweightedArithmeticAverageForDeterminingOilAndNaturalGasPrices" name="PeriodConsideredForUnweightedArithmeticAverageForDeterminingOilAndNaturalGasPrices" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_PeriodConsideredForUnweightedArithmeticAverageForDeterminingReserveVolumesAndValues" name="PeriodConsideredForUnweightedArithmeticAverageForDeterminingReserveVolumesAndValues" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_PerpetualRoyaltyRevenuePercentage" name="PerpetualRoyaltyRevenuePercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_PlainsMarketingLPMember" name="PlainsMarketingLPMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_PreferredSinkingFund" name="PreferredSinkingFund" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_ProceedsFromMaturitiesOfCertificatesOfDeposit" name="ProceedsFromMaturitiesOfCertificatesOfDeposit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_PropertyPlantAndEquipmentOilAndGasTechnologyEquipmentGross" name="PropertyPlantAndEquipmentOilAndGasTechnologyEquipmentGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="epm_ProvedDevelopedAndUndevelopedReservesEnergyEquivalentsImprovedRecoveryExtensionsDiscoveriesAndAdditions" name="ProvedDevelopedAndUndevelopedReservesEnergyEquivalentsImprovedRecoveryExtensionsDiscoveriesAndAdditions" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_ProvedDevelopedAndUndevelopedReservesRecoveryExtensionsAndDiscoveries" name="ProvedDevelopedAndUndevelopedReservesRecoveryExtensionsAndDiscoveries" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_RelatedPartyTransactionsPercentageofWorkingInterest" name="RelatedPartyTransactionsPercentageofWorkingInterest" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="epm_RestrictedStockMarketBasedMember" name="RestrictedStockMarketBasedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_RestrictedStockPerformanceBasedMember" name="RestrictedStockPerformanceBasedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_RestrictedStockServiceBasedMember" name="RestrictedStockServiceBasedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_RestrictedStockandContingentRestrictedStockMember" name="RestrictedStockandContingentRestrictedStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_RoyaltyRights" name="RoyaltyRights" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="epm_SalaryExpenseRestructuringMember" name="SalaryExpenseRestructuringMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_SeniorSecuredReserveBasedCreditFacilityMember" name="SeniorSecuredReserveBasedCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_SettledDerivativesPayable" name="SettledDerivativesPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="epm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_SharebasedCompensationArrangementbySharebasedPaymentAwardPotentialFutureAllocatedSharebasedCompensationExpenseNotProbable" name="SharebasedCompensationArrangementbySharebasedPaymentAwardPotentialFutureAllocatedSharebasedCompensationExpenseNotProbable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="epm_SharebasedCompensationArrangementbySharebasedPaymentAwardSharesVoluntarilyRelinquished" name="SharebasedCompensationArrangementbySharebasedPaymentAwardSharesVoluntarilyRelinquished" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_SharebasedCompensationRelatedtoRestructuringCompensation" name="SharebasedCompensationRelatedtoRestructuringCompensation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_StockCompensationRestructuringMember" name="StockCompensationRestructuringMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_StockIssuedDuringPeriodSharesNonqualifiedStockOptionsAndIncentiveWarrantsNoncashExercised" name="StockIssuedDuringPeriodSharesNonqualifiedStockOptionsAndIncentiveWarrantsNoncashExercised" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_StockIssuedDuringPeriodSharesStockWarrantsExercised" name="StockIssuedDuringPeriodSharesStockWarrantsExercised" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_StockIssuedDuringPeriodValueStockWarrantsExercised" name="StockIssuedDuringPeriodValueStockWarrantsExercised" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_StockOptionsAndIncentiveWarrantsMember" name="StockOptionsAndIncentiveWarrantsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_TaxCreditCarryforwardAmountDuetoExerciseofOptionsandWarrants" name="TaxCreditCarryforwardAmountDuetoExerciseofOptionsandWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="epm_TaxCreditCarryforwardAmountDuetoReverseMerger" name="TaxCreditCarryforwardAmountDuetoReverseMerger" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="epm_TexasCapitalBankN.A.Member" name="TexasCapitalBankN.A.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="epm_TreasuryStockRetiredAmount" name="TreasuryStockRetiredAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_VariousEmployeesMember" name="VariousEmployeesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="epm_WellLiftInc.Member" name="WellLiftInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
