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    <element id="lrdc_RevolvingNote" name="RevolvingNote" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_NotesPayableRelatedPartiesClassifiedCurrent1" name="NotesPayableRelatedPartiesClassifiedCurrent1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DueToRelatedPartiesCurrent1" name="DueToRelatedPartiesCurrent1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_SubscriptionPaidInAdvance" name="SubscriptionPaidInAdvance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_GainOnInvestmentInOilAndGasPropertiesRelatedParty" name="GainOnInvestmentInOilAndGasPropertiesRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_WarrantExerciseForCash" name="WarrantExerciseForCash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_WarrantExerciseForCashInShares" name="WarrantExerciseForCashInShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_RelativeFairValueOfWarrantsGrantedWithDebt" name="RelativeFairValueOfWarrantsGrantedWithDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_SaleOfInterestInHellCreekCrudeLLC" name="SaleOfInterestInHellCreekCrudeLLC" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_ImpairmentOfEquityInvestment" name="ImpairmentOfEquityInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_ImpairmentOfLongTermAssets" name="ImpairmentOfLongTermAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_NetLossOnDiscontinuedOperations" name="NetLossOnDiscontinuedOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_LossOnConversionFromIssuanceOfStockInExchangeOfDebt" name="LossOnConversionFromIssuanceOfStockInExchangeOfDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_IncreaseDecreaseInBond" name="IncreaseDecreaseInBond" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_InvestmentInEquityMethodInvestment" name="InvestmentInEquityMethodInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_ProceedsFromPromissoryNote" name="ProceedsFromPromissoryNote" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_RepaymentOfPromissoryNotes" name="RepaymentOfPromissoryNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_RepaymentOfBridgeNotes" name="RepaymentOfBridgeNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_PPPLoanRepayments" name="PPPLoanRepayments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_ProceedsFromPrefundedDrillingCosts" name="ProceedsFromPrefundedDrillingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_RepaymentOfPrefundedDrillingCosts" name="RepaymentOfPrefundedDrillingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_OilAndGasAcquisitionCostsInAccountsPayable" name="OilAndGasAcquisitionCostsInAccountsPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_TransferOfOilAndGasAssetsToInvestmentInEntityRelatedParty" name="TransferOfOilAndGasAssetsToInvestmentInEntityRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_GainOnSaleOfMembershipInterestInHccRelatedParty" name="GainOnSaleOfMembershipInterestInHccRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_ReclassificationOfContingentLiabilityToConvertibleDebt" name="ReclassificationOfContingentLiabilityToConvertibleDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_SaleOfStockInExchangeForDebtAndRelatedInterestRepayment" name="SaleOfStockInExchangeForDebtAndRelatedInterestRepayment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_IssuanceOfCommonStockInExchangeForNotePayable" name="IssuanceOfCommonStockInExchangeForNotePayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DisclosurePayrollLiabilitiesAbstract" name="DisclosurePayrollLiabilitiesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_PayrollLiabilitiesTextBlock" name="PayrollLiabilitiesTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DisclosureDeferredWellDevelopmentCostsAbstract" name="DisclosureDeferredWellDevelopmentCostsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DeferredWellDevelopmentCostTextBlock" name="DeferredWellDevelopmentCostTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_ScheduleOfOilAndGasAcquisitionAndDrillingCostsTableTextBlock" name="ScheduleOfOilAndGasAcquisitionAndDrillingCostsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_IntangibleAndTangibleDrillingCosts" name="IntangibleAndTangibleDrillingCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_LeaseAcquisitionCosts" name="LeaseAcquisitionCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DueToRelatedPartiesNoncurrent1" name="DueToRelatedPartiesNoncurrent1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DisposalGroupIncludingDiscontinuedOperationOperatingExpenseLeaseOperatingExpense" name="DisposalGroupIncludingDiscontinuedOperationOperatingExpenseLeaseOperatingExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DisposalGroupIncludingDiscontinuedOperationOperatingExpenseGeneralSellingAndAdministrativeExpenses" name="DisposalGroupIncludingDiscontinuedOperationOperatingExpenseGeneralSellingAndAdministrativeExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DisposalGroupIncludingDiscontinuedOperationOperatingExpenseConsultingAndProfessionalServices" name="DisposalGroupIncludingDiscontinuedOperationOperatingExpenseConsultingAndProfessionalServices" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DisposalGroupIncludingDiscontinuedOperationOperatingExpenseImpairment" name="DisposalGroupIncludingDiscontinuedOperationOperatingExpenseImpairment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="lrdc_DeferredTaxAssetsTaxImpairmentLoss" name="DeferredTaxAssetsTaxImpairmentLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
