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  <xsd:import namespace="http://xbrl.sec.gov/dei/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://fasb.org/srt-types/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-types-2026.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-roles-2026.xsd" />
  <xsd:import namespace="http://fasb.org/us-gaap/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2026" schemaLocation="https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd" />
  <xsd:import namespace="http://fasb.org/srt/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/ecd-sub/2026" schemaLocation="https://xbrl.sec.gov/ecd/2026/ecd-sub-2026.xsd" />
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  <xsd:element name="DerivativeOptionStrikePrice" id="wti_DerivativeOptionStrikePrice" type="srt-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="MonzaEnergyLLCMember" id="wti_MonzaEnergyLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromPaymentsForDerivativeInstrumentOperatingActivities" id="wti_ProceedsFromPaymentsForDerivativeInstrumentOperatingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="UnamortizedBondInsurancePremiums" id="wti_UnamortizedBondInsurancePremiums" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AdvancesFromJointInterestPartnersCurrent" id="wti_AdvancesFromJointInterestPartnersCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SuretyBondsMember" id="wti_SuretyBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchasesOfFurnitureFixturesAndOther" id="wti_PurchasesOfFurnitureFixturesAndOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CapitalContributionPaymentsFromRelatedParty" id="wti_CapitalContributionPaymentsFromRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="WorkingCapital" id="wti_WorkingCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SeniorSecondLienNotesDue2026Member" id="wti_SeniorSecondLienNotesDue2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TvpxLoanMember" id="wti_TvpxLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalSharesWithheldRelatedToNetSettlementOfEquityAwards" id="wti_AdjustmentsToAdditionalPaidInCapitalSharesWithheldRelatedToNetSettlementOfEquityAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CapitalizedCostOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis" id="wti_CapitalizedCostOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CapitalizedCostOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectDomain" id="wti_CapitalizedCostOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OilAndGasJointInterestBillingReceivablesAllowanceForCreditLossesCurrent" id="wti_OilAndGasJointInterestBillingReceivablesAllowanceForCreditLossesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DividendsDeclaredButNotPaidOnUnvestedShareBasedAwards" id="wti_DividendsDeclaredButNotPaidOnUnvestedShareBasedAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CapitalContributionPaid" id="wti_CapitalContributionPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="InvestmentInOilAndNaturalGasPropertiesAndEquipment" id="wti_InvestmentInOilAndNaturalGasPropertiesAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TotalShareholderReturnAndRelativeShareholderReturnPerformanceShareUnitMember" id="wti_TotalShareholderReturnAndRelativeShareholderReturnPerformanceShareUnitMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedPercentage" id="wti_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CashReturnOnCapitalEmployedPerformanceShareUnitMember" id="wti_CashReturnOnCapitalEmployedPerformanceShareUnitMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BusinessDescriptionPolicyPolicyTextBlock" id="wti_BusinessDescriptionPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SeniorSecondLienNotesDue2029Member" id="wti_SeniorSecondLienNotesDue2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ContingentLiabilityCurrent" id="wti_ContingentLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SuretiesMember" id="wti_SuretiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaymentForPurchaseOfGovernmentSecuritiesInConnectionWithLegalDefeasance" id="wti_PaymentForPurchaseOfGovernmentSecuritiesInConnectionWithLegalDefeasance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PaymentForPremiumAndDebtExtinguishmentCosts" id="wti_PaymentForPremiumAndDebtExtinguishmentCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GovernmentSecuritiesTransferredToTrusteeInConnectionWithLegalDefeasance" id="wti_GovernmentSecuritiesTransferredToTrusteeInConnectionWithLegalDefeasance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LegalDefeasanceOfSeniorSecondLienNotes" id="wti_LegalDefeasanceOfSeniorSecondLienNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OilNaturalGasAndOtherPropertiesNet" id="wti_OilNaturalGasAndOtherPropertiesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue" id="wti_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ReservePerformanceShareUnitsMember" id="wti_ReservePerformanceShareUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DerivativeNonmonetaryNotionalAmountEnergyMeasureTotalVolume" id="wti_DerivativeNonmonetaryNotionalAmountEnergyMeasureTotalVolume" type="dtr-types:energyItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AssetRetirementObligationDispositionOfProperties" id="wti_AssetRetirementObligationDispositionOfProperties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardUponVestingPercentage" id="wti_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardUponVestingPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OtherSupplementalInformationTable" id="wti_OtherSupplementalInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherSupplementalInformationLineItems" id="wti_OtherSupplementalInformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="VariableInterestEntityDisclosureAbstract" id="wti_VariableInterestEntityDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdditionalFinancialInformationDisclosureAbstract" id="wti_AdditionalFinancialInformationDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NatureOfOperationsAndBasisOfPresentationTable" id="wti_NatureOfOperationsAndBasisOfPresentationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NatureOfOperationsAndBasisOfPresentationLineItem" id="wti_NatureOfOperationsAndBasisOfPresentationLineItem" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfEnvironmentalLossContingenciesContingentDecommissioningObligationTableTextBlock" id="wti_ScheduleOfEnvironmentalLossContingenciesContingentDecommissioningObligationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ContingentDecommissioningObligations" id="wti_ContingentDecommissioningObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
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  <xsd:element name="ContingentDecommissioningObligationsNoncurrent" id="wti_ContingentDecommissioningObligationsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ContingentDecommissioningObligationsLiabilitiesSettled" id="wti_ContingentDecommissioningObligationsLiabilitiesSettled" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ContingentDecommissioningObligationsAccretionExpense" id="wti_ContingentDecommissioningObligationsAccretionExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="O2026Q3DividendsMember" id="wti_O2026Q3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationByShareBasedPaymentAwardRemeasurementFairValuePerShare" id="wti_ShareBasedCompensationByShareBasedPaymentAwardRemeasurementFairValuePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PerformanceStockUnitsAndRestrictedStockUnitsMember" id="wti_PerformanceStockUnitsAndRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationReclassificationDueToModification" id="wti_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationReclassificationDueToModification" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OpenOilDerivativeContractCallJuly2026ToApril2027Member" id="wti_OpenOilDerivativeContractCallJuly2026ToApril2027Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OpenOilDerivativeContractCollarsJuly2026ToDecember2026Member" id="wti_OpenOilDerivativeContractCollarsJuly2026ToDecember2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OpenOilDerivativeContractSwapJuly2026ToDecember2026Member" id="wti_OpenOilDerivativeContractSwapJuly2026ToDecember2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReclassificationOfLiabilityClassifiedAwardsToEquityClassifiedAwards" id="wti_ReclassificationOfLiabilityClassifiedAwardsToEquityClassifiedAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DerivativePremiumPayment" id="wti_DerivativePremiumPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
</xsd:schema>
