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	<link:linkbaseRef xlink:type="simple" xlink:href="pedo-20161231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="pedo-20161231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="pedo-20161231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="pedo-20161231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd" />
    <import namespace="http://fasb.org/us-gaap/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd" />
    <import namespace="http://fasb.org/us-types/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-types-2016-01-31.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
    <element id="PEDO_AssetRetirementObligations" name="AssetRetirementObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_OilAndGasPropertiesSubjectToAmortization" name="OilAndGasPropertiesSubjectToAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_FairValueOfCommonStockIssued" name="FairValueOfCommonStockIssued" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_FairValueOfSeriesPreferredStockIssued" name="FairValueOfSeriesPreferredStockIssued" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AssumptionOfSubordinatedNotesPayable" name="AssumptionOfSubordinatedNotesPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_KazakhstanOptionIssued" name="KazakhstanOptionIssued" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_TotalPurchasePrice" name="TotalPurchasePrice" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_PrepaidExpensesAndOtherAssets" name="PrepaidExpensesAndOtherAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_RevenuePayable" name="RevenuePayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ConvertibleNotesPayableBridgeNoteNetOfPremium" name="ConvertibleNotesPayableBridgeNoteNetOfPremium" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_NotesPayableSecuredPromissoryNotesNetOfDiscounts" name="NotesPayableSecuredPromissoryNotesNetOfDiscounts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_NotesPayableNetOfDiscountRelatedPartyCurrent" name="NotesPayableNetOfDiscountRelatedPartyCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_NotesPayableSecuredPromissoryNotesRelatedPartyNet" name="NotesPayableSecuredPromissoryNotesRelatedPartyNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_PremiumOnConvertibleNotesPayableBridgeNotes" name="PremiumOnConvertibleNotesPayableBridgeNotes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_NotesPayableSecuredPromissoryNotesNetOfDiscounts1" name="NotesPayableSecuredPromissoryNotesNetOfDiscounts1" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_DiscountOnNotesPayableRelatedParty" name="DiscountOnNotesPayableRelatedParty" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_NotesPayableSecuredPromissoryNotesNetOfDiscounts2" name="NotesPayableSecuredPromissoryNotesNetOfDiscounts2" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_DiscountOnNotesPayable" name="DiscountOnNotesPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockForCashShares" name="IssuanceOfCommonStockForCashShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_StockCompensation" name="StockCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_StockCompensationShares" name="StockCompensationShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockForDebtConversionAmount" name="IssuanceOfCommonStockForDebtConversionAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockForDebtConversionShares" name="IssuanceOfCommonStockForDebtConversionShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_CashlessExerciseOfOptions" name="CashlessExerciseOfOptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_CashlessExerciseOfOptionsShares" name="CashlessExerciseOfOptionsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfRestrictedCommonStockForCompensationAmount" name="IssuanceOfRestrictedCommonStockForCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfRestrictedCommonStockForCompensationShares" name="IssuanceOfRestrictedCommonStockForCompensationShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ForfeitureOfRestrictedStock" name="ForfeitureOfRestrictedStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ForfeitureOfRestrictedStockShares" name="ForfeitureOfRestrictedStockShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonAndPreferredStockForOilAndGasPropertiesAmount" name="IssuanceOfCommonAndPreferredStockForOilAndGasPropertiesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonAndPreferredStockForOilAndGasPropertiesShares" name="IssuanceOfCommonAndPreferredStockForOilAndGasPropertiesShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfWarrantsForDebtDeferrals" name="IssuanceOfWarrantsForDebtDeferrals" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_MinorityInterestInNetLoss" name="MinorityInterestInNetLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_LossOnConveyanceOf50PercentOfRedHawkAcquisition" name="LossOnConveyanceOf50PercentOfRedHawkAcquisition" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_LossOnConveyanceOf50PercentOfMississippianProperty" name="LossOnConveyanceOf50PercentOfMississippianProperty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_InterestExpenseDeferredAndCapitalizedInRestructuring" name="InterestExpenseDeferredAndCapitalizedInRestructuring" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IncreaseDecreaseAccruedExpensesToRelatedParty" name="IncreaseDecreaseAccruedExpensesToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IncreaseDecreaseRevenuePayable" name="IncreaseDecreaseRevenuePayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AdvancesForJointOperations" name="AdvancesForJointOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_RepaymentOfNotesPayableRelatedParty" name="RepaymentOfNotesPayableRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AccruedDevelopmentCosts" name="AccruedDevelopmentCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockforServices" name="IssuanceOfCommonStockforServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockInSettlementOfLiabilities" name="IssuanceOfCommonStockInSettlementOfLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockToBridgeNoteHoldersDueToConversion" name="IssuanceOfCommonStockToBridgeNoteHoldersDueToConversion" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_RescissionOfCommonStockIssuedInPrivatePlacement" name="RescissionOfCommonStockIssuedInPrivatePlacement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_DeferredFinancingCostsRelatedToWarrantsIssuedInConjunctionWithNotesPayable" name="DeferredFinancingCostsRelatedToWarrantsIssuedInConjunctionWithNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ReclassOfNotesPayableBridgeNotestoConvertibleNotes" name="ReclassOfNotesPayableBridgeNotestoConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ConsolidationOfNoncontrollingInterestInPedcoMsl" name="ConsolidationOfNoncontrollingInterestInPedcoMsl" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ReclassOfDepositForBusinessAcquisitionsToNotesReceivable" name="ReclassOfDepositForBusinessAcquisitionsToNotesReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_BeneficialConversionFeatureOfConvertibleNotesPayableBridgeNotes" name="BeneficialConversionFeatureOfConvertibleNotesPayableBridgeNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ReclassOfNotesPayableRelatedPartiesToBridgeNotes" name="ReclassOfNotesPayableRelatedPartiesToBridgeNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_DebtDiscountRelatedToWarrantsIssuedToBridgeNotes" name="DebtDiscountRelatedToWarrantsIssuedToBridgeNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ChangesInEstimatesOfAssetRetirementObligations" name="ChangesInEstimatesOfAssetRetirementObligations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AccountsReceivableFromPurchaseOfOilAndGasProperty" name="AccountsReceivableFromPurchaseOfOilAndGasProperty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AccountsPayableFromPurchaseOfOilAndGasProperty" name="AccountsPayableFromPurchaseOfOilAndGasProperty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_NoteReceivableSoldForPurchaseOfOilAndGasProperties" name="NoteReceivableSoldForPurchaseOfOilAndGasProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_NotesPayableSubordinatedAssumedAsPartOfPurchaseOfOilAndGasProperties" name="NotesPayableSubordinatedAssumedAsPartOfPurchaseOfOilAndGasProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfRedeemableSeriesConvertiblePreferredStockForPurchaseOfOilAndGasProperties" name="IssuanceOfRedeemableSeriesConvertiblePreferredStockForPurchaseOfOilAndGasProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockForPurchaseOfOilAndGasProperties" name="IssuanceOfCommonStockForPurchaseOfOilAndGasProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_SaleOilGasPropertiesPromisoryNote" name="SaleOilGasPropertiesPromisoryNote" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfWarrantsForDeferredFinancingCosts" name="IssuanceOfWarrantsForDeferredFinancingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_PotentiallyIssuableSharesOfCommonStockRelatedToOptions" name="PotentiallyIssuableSharesOfCommonStockRelatedToOptions" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_PotentiallyIssuableSharesOfCommonStockRelatedToWarrants" name="PotentiallyIssuableSharesOfCommonStockRelatedToWarrants" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_PotentiallyIssuableSharesOfCommonStockRelatedToConversionOfBridgeNotes" name="PotentiallyIssuableSharesOfCommonStockRelatedToConversionOfBridgeNotes" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ManagementServicesFee" name="ManagementServicesFee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_FeesBilledToCondor" name="FeesBilledToCondor" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_DeferredPrincipal" name="DeferredPrincipal" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_NumberOfWarrantSharesIssued" name="NumberOfWarrantSharesIssued" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_FeesAndExpenses" name="FeesAndExpenses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_UnamortizedDebtDiscountAndDeferredFinancingCosts" name="UnamortizedDebtDiscountAndDeferredFinancingCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AmortizationOfDebtDiscount" name="AmortizationOfDebtDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AmortizationOfDeferredFinancingCosts" name="AmortizationOfDeferredFinancingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_PaymentOfOutstandngOutstandingInitialNotes" name="PaymentOfOutstandngOutstandingInitialNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AccruedInterest" name="AccruedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AdditionalPaidInKind" name="AdditionalPaidInKind" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_LossOnDebtExtinguishment" name="LossOnDebtExtinguishment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2a" name="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2a" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_WarrantsExercisable" name="WarrantsExercisable" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AccruedManagementFees" name="AccruedManagementFees" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_DeferredTaxAssetsDifferenceInDepreciationDepletionAndCapitalizationMethodsOilAndNaturalGasProperties" name="DeferredTaxAssetsDifferenceInDepreciationDepletionAndCapitalizationMethodsOilAndNaturalGasProperties" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_DeferredTaxAssetsImpairmentOilAndNaturalGasProperties" name="DeferredTaxAssetsImpairmentOilAndNaturalGasProperties" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AccountsReceivableDisclosureTextBlock" name="AccountsReceivableDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_OtherCurrentAssetsDisclosureTextBlock" name="OtherCurrentAssetsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_BadDebtExpensePolicyTextBlock" name="BadDebtExpensePolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_FullCostMethodOfAccountingForInvestmentsInOilAndGasPropertiesDisclosurePolicyTextBlock" name="FullCostMethodOfAccountingForInvestmentsInOilAndGasPropertiesDisclosurePolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_SummaryOfPurchasePricePolicyTextBlock" name="SummaryOfPurchasePricePolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ScheduleOfProFormaSaleTableTextBlock" name="ScheduleOfProFormaSaleTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ActivityRelatedToSettlement" name="ActivityRelatedToSettlement" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_SheduleOfAllocationOfGainOnSettlementTableTextBlock" name="SheduleOfAllocationOfGainOnSettlementTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_CondorsFinancialInformationTableTextBlock" name="CondorsFinancialInformationTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ScheduleOfShareBasedCompensationStockOptionsAndWarrantExercisableTableTextBlock" name="ScheduleOfShareBasedCompensationStockOptionsAndWarrantExercisableTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_MalpracticeGainContingencyPeriodCost" name="MalpracticeGainContingencyPeriodCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_StockCompensationExpense" name="StockCompensationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_UnamortizedStockCompensationExpense" name="UnamortizedStockCompensationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_EquityShareOfNetLoss" name="EquityShareOfNetLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
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    <element id="PEDO_EquityMethodInvestmentRealizedGainLossOnSettlementNet" name="EquityMethodInvestmentRealizedGainLossOnSettlementNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
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    <element id="PEDO_IssuanceOfCommonStockForSettlementOfLiabilitiesAmount" name="IssuanceOfCommonStockForSettlementOfLiabilitiesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
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    <element id="PEDO_Trident2Member" name="Trident2Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
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    <element id="PEDO_ConversionOfRedeemablePreferredStockToPreferredStockShares" name="ConversionOfRedeemablePreferredStockToPreferredStockShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfSeriesPreferredStockForOilAndGasPropertiesAmount" name="IssuanceOfSeriesPreferredStockForOilAndGasPropertiesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfSeriesPreferredStockForOilAndGasPropertiesShares" name="IssuanceOfSeriesPreferredStockForOilAndGasPropertiesShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ConversionOfPreferredStockToCommonStockAmount" name="ConversionOfPreferredStockToCommonStockAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ConversionOfPreferredStockToCommonStockShares" name="ConversionOfPreferredStockToCommonStockShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_FractionalShareIssuanceForReverseCommonStockSplit" name="FractionalShareIssuanceForReverseCommonStockSplit" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ForfeitureOfMiesCapitalAccountInWhiteHawk" name="ForfeitureOfMiesCapitalAccountInWhiteHawk" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_StockSubscriptionReceivableFromCondor" name="StockSubscriptionReceivableFromCondor" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockInPrivatePlacementAmount" name="IssuanceOfCommonStockInPrivatePlacementAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockInPrivatePlacementShares" name="IssuanceOfCommonStockInPrivatePlacementShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockToStxraForPayablesSettlementAmount" name="IssuanceOfCommonStockToStxraForPayablesSettlementAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockToStxraForPayablesSettlementShares" name="IssuanceOfCommonStockToStxraForPayablesSettlementShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockForCompensationAmount" name="IssuanceOfCommonStockForCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IssuanceOfCommonStockForCompensationShares" name="IssuanceOfCommonStockForCompensationShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_WarrantsIssuedWithBridgeNotes" name="WarrantsIssuedWithBridgeNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_WarrantsIssuedForExtensionOfBridgeNotes" name="WarrantsIssuedForExtensionOfBridgeNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_RescissionOfExerciseOfCommonStockOptionsAmount" name="RescissionOfExerciseOfCommonStockOptionsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_RescissionOfExerciseOfCommonStockOptionsShares" name="RescissionOfExerciseOfCommonStockOptionsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ExerciseOfWarrants" name="ExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ExerciseOfWarrantsShares" name="ExerciseOfWarrantsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_LossOnSaleOf50OfDepositForBusinessAcquisition" name="LossOnSaleOf50OfDepositForBusinessAcquisition" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ProceedsFromSaleOfOilAndGasProperties" name="ProceedsFromSaleOfOilAndGasProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ProceedsFromSaleOfDeposit" name="ProceedsFromSaleOfDeposit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_CashPaidForAssetRetirementBond" name="CashPaidForAssetRetirementBond" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_CashPaidForunprovedLeasehold" name="CashPaidForunprovedLeasehold" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_CashPaidForDepositsOnOilAndGasProperties" name="CashPaidForDepositsOnOilAndGasProperties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ProceedsFromExerciseOfWarrantsForCommonStockAndOptions" name="ProceedsFromExerciseOfWarrantsForCommonStockAndOptions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_RepaymentOfSecuredNotesPayable" name="RepaymentOfSecuredNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_RepaymentOfPaidinkindObligations" name="RepaymentOfPaidinkindObligations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ProceedsFromIssuanceOfNotesPayableToRelatedParty" name="ProceedsFromIssuanceOfNotesPayableToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ProceedsFromStockSubscriptionReceivable" name="ProceedsFromStockSubscriptionReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_LossOnConveyancePercentageOfDepositForBusinessAcquisition" name="LossOnConveyancePercentageOfDepositForBusinessAcquisition" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_AccountsReceivableAbstract" name="AccountsReceivableAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_OtherCurrentAssetsAbstract" name="OtherCurrentAssetsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_SummaryOfSignificantAccountingPoliciesTablesAbstract" name="SummaryOfSignificantAccountingPoliciesTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_DisclosureOilAndGasPropertiesTablesAbstract" name="DisclosureOilAndGasPropertiesTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ScheduleOfSalePriceTableTextBlock" name="ScheduleOfSalePriceTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_EquityMethodInvestmentsTablesAbstract" name="EquityMethodInvestmentsTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_RelatedPartyTransactionsTablesAbstract" name="RelatedPartyTransactionsTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_FairValueTablesAbstract" name="FairValueTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_OilAndGasPropertiesDetailsAbstract" name="OilAndGasPropertiesDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_OilAndGasPropertiesNotSubjectToAmortization" name="OilAndGasPropertiesNotSubjectToAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_OilAndGasPropertiesDetails5Abstract" name="OilAndGasPropertiesDetails5Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_OilAndGasPropertiesDetailsNarrativeAbstract" name="OilAndGasPropertiesDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_EquityMethodOwnershipIntrest" name="EquityMethodOwnershipIntrest" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_Disclosure8.EquityMethodInvestmentsDetailsAbstract" name="Disclosure8.EquityMethodInvestmentsDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_EquityMethodInvestmentsDetails2Abstract" name="EquityMethodInvestmentsDetails2Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_EquityMethodInvestmentsDetailsNarrativeAbstract" name="EquityMethodInvestmentsDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_UnrecognizedLoss" name="UnrecognizedLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_TotalRecognizedLoss" name="TotalRecognizedLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_InvestmentInSubsidiaries" name="InvestmentInSubsidiaries" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ValuationAllowance" name="ValuationAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ReceivableRelatedToWorkingInterestInNiobraraAsset" name="ReceivableRelatedToWorkingInterestInNiobraraAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_LoanToSubsidiaryForProductionRelatedExpense" name="LoanToSubsidiaryForProductionRelatedExpense" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_InterestExpenseRelatedToPikAndAdditionalPik" name="InterestExpenseRelatedToPikAndAdditionalPik" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_CommitmentsAndContingenciesDetailsNarrativeAbstract" name="CommitmentsAndContingenciesDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ObligationUnderLease" name="ObligationUnderLease" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_PreferredStockDetailsNarrativeAbstract" name="PreferredStockDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_StockOptionsAndWarrantsDetailsAbstract" name="StockOptionsAndWarrantsDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInRescission" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInRescission" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_WeightedAverageRemainingContractualLifeInYearsAbstract" name="WeightedAverageRemainingContractualLifeInYearsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_StockOptionsAndWarrantsDetails1Abstract" name="StockOptionsAndWarrantsDetails1Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_StockOptionsAndWarrantsDetails2Abstract" name="StockOptionsAndWarrantsDetails2Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_StockOptionsAndWarrantsDetailsNarrativeAbstract" name="StockOptionsAndWarrantsDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IncreasedNumberOfCommonStockAuthorizedToIssue" name="IncreasedNumberOfCommonStockAuthorizedToIssue" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesShortTermDebt" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesShortTermDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_CapitalExpendituresIncurredForDrillingOfThreeWells" name="CapitalExpendituresIncurredForDrillingOfThreeWells" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IncomeTaxesDetailsAbstract" name="IncomeTaxesDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PEDO_IncomeTaxesDetailsNarrativeAbstract" name="IncomeTaxesDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
</schema>
