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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_1AA11D2F00FCA2F6AAC720DB2697A93F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_1AA11D2F00FCA2F6AAC720DB2697A93F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_1AA11D2F00FCA2F6AAC720DB2697A93F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_1AA11D2F00FCA2F6AAC720DB2697A93F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_1AA11D2F00FCA2F6AAC720DB2697A93F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_1AA11D2F00FCA2F6AAC720DB2697A93F" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_1AA11D2F00FCA2F6AAC720DB2697A93F" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_ED1F42C94F4AF46AE82420DB2698D926_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_ED1F42C94F4AF46AE82420DB2698D926" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding, weighted average remaining term</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_ED1F42C94F4AF46AE82420DB2698D926_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_ED1F42C94F4AF46AE82420DB2698D926" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_ED1F42C94F4AF46AE82420DB2698D926" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_ED1F42C94F4AF46AE82420DB2698D926" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_ED1F42C94F4AF46AE82420DB2698D926" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_42C442C87EA1DB88373320DB269E95BB_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_42C442C87EA1DB88373320DB269E95BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable, weighted average remaining term</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_42C442C87EA1DB88373320DB269E95BB_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_42C442C87EA1DB88373320DB269E95BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_42C442C87EA1DB88373320DB269E95BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_42C442C87EA1DB88373320DB269E95BB" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_42C442C87EA1DB88373320DB269E95BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_232E68DF43684768B2E520DB269ED8A4_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_232E68DF43684768B2E520DB269ED8A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding, aggregate intrinsic value</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_232E68DF43684768B2E520DB269ED8A4" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_232E68DF43684768B2E520DB269ED8A4" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5E9110A639B4C771E77020DB269FDE1B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5E9110A639B4C771E77020DB269FDE1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable, aggregate intrinsic value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5E9110A639B4C771E77020DB269FDE1B_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5E9110A639B4C771E77020DB269FDE1B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5E9110A639B4C771E77020DB269FDE1B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5E9110A639B4C771E77020DB269FDE1B" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_446A62B380F058C8A7C189A442571E90_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_446A62B380F058C8A7C189A442571E90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) attributable to Class A Common Stock</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_446A62B380F058C8A7C189A442571E90" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_446A62B380F058C8A7C189A442571E90" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_446A62B380F058C8A7C189A442571E90" xlink:type="arc" />
    <link:label id="lab_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_1F1BE27DF9BC24E24E2E89A442570521_terseLabel_en-US" xlink:label="lab_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_1F1BE27DF9BC24E24E2E89A442570521" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Add: Income from conversion of Class C Common Stock</link:label>
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    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8301F7A91FDE734912BA89A442573E93_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8301F7A91FDE734912BA89A442573E93" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Adjusted net income (loss) attributable to Class A Common Stock</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_F731C8528A36FF7DC9237F821E62CC20_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_F731C8528A36FF7DC9237F821E62CC20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_F731C8528A36FF7DC9237F821E62CC20" xlink:type="locator" />
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    <link:label id="lab_cdev_LineOfCreditFacilityMaximumBorrowingCapacityNumberOfOptionalRedeterminations_73FE14EA8DB991722A917F821E62A03C_documentation_en-US" xlink:label="lab_cdev_LineOfCreditFacilityMaximumBorrowingCapacityNumberOfOptionalRedeterminations_73FE14EA8DB991722A917F821E62A03C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility, Maximum Borrowing Capacity, Number Of Optional Redeterminations</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_F636E75B7318D3DDB3D87F821E639253_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_F636E75B7318D3DDB3D87F821E639253" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitment fee percentage on unused amounts</link:label>
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    <link:label id="lab_cdev_DebtInstrumentCovenantComplianceCurrentRatio_FBB66EF436617489BFC57F821E63A37F_terseLabel_en-US" xlink:label="lab_cdev_DebtInstrumentCovenantComplianceCurrentRatio_FBB66EF436617489BFC57F821E63A37F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, covenant, minimum current ratio</link:label>
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    <link:loc xlink:href="cdev-20190331.xsd#cdev_DebtInstrumentCovenantComplianceCurrentRatio" xlink:label="loc_cdev_DebtInstrumentCovenantComplianceCurrentRatio_FBB66EF436617489BFC57F821E63A37F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_D94F34F3DAFFA62DC1107F821E64A9FE_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_D94F34F3DAFFA62DC1107F821E64A9FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_D94F34F3DAFFA62DC1107F821E64A9FE" xlink:type="locator" />
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    <link:label id="lab_cdev_DebtInstrumentIssuedPricePercentage_4E5CD41B98EF572543B47F821E64E110_terseLabel_en-US" xlink:label="lab_cdev_DebtInstrumentIssuedPricePercentage_4E5CD41B98EF572543B47F821E64E110" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private placement price as percentage of par</link:label>
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    <link:label id="lab_cdev_DebtInstrumentIssuedPricePercentage_4E5CD41B98EF572543B47F821E64E110_documentation_en-US" xlink:label="lab_cdev_DebtInstrumentIssuedPricePercentage_4E5CD41B98EF572543B47F821E64E110" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Issued Price, Percentage</link:label>
    <link:loc xlink:href="cdev-20190331.xsd#cdev_DebtInstrumentIssuedPricePercentage" xlink:label="loc_cdev_DebtInstrumentIssuedPricePercentage_4E5CD41B98EF572543B47F821E64E110" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_E262B183EACC4A52523C7F821E648705_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_E262B183EACC4A52523C7F821E648705" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from borrowings, net of issuance costs</link:label>
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    <link:label id="lab_us-gaap_DeferredFinanceCostsGross_3FF8ECA1EFA6EC24A9BE7F821E65C7B3_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsGross_3FF8ECA1EFA6EC24A9BE7F821E65C7B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt issuance costs</link:label>
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    <link:label id="lab_cdev_DebtInstrumentRedemptionPricePercentageofPrincipalAmountEligibleToBeRedeemed_C9B6F530169B12AAE86A7F821E654534_terseLabel_en-US" xlink:label="lab_cdev_DebtInstrumentRedemptionPricePercentageofPrincipalAmountEligibleToBeRedeemed_C9B6F530169B12AAE86A7F821E654534" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of principal amount, eligible to be redeemed</link:label>
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_BEF3EFFE9FA8974A56758E1280256105_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_BEF3EFFE9FA8974A56758E1280256105" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_BEF3EFFE9FA8974A56758E1280256105" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_C00866D590F7B767628A8E1280264AFD_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_C00866D590F7B767628A8E1280264AFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_C00866D590F7B767628A8E1280264AFD_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_C00866D590F7B767628A8E1280264AFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Two</link:label>
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6FBFCD2C1EAC8A3D104A8E128026DDCD_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6FBFCD2C1EAC8A3D104A8E128026DDCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6FBFCD2C1EAC8A3D104A8E128026DDCD_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6FBFCD2C1EAC8A3D104A8E128026DDCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6FBFCD2C1EAC8A3D104A8E128026DDCD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_99B267DA13F5D5E6C9518E1280268C90_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_99B267DA13F5D5E6C9518E1280268C90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_363850E4DEE1D16BFA2F8E12802B4EF9_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_363850E4DEE1D16BFA2F8E12802B4EF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Next Twelve Months</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_7024015EC0DA280099858E12802C0FBD_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_7024015EC0DA280099858E12802C0FBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
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    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_E0A6A502267FC79709197F8FB481F482_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_E0A6A502267FC79709197F8FB481F482" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B110B8C06932AF2870BB7F8FB4849842_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B110B8C06932AF2870BB7F8FB4849842" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_C308175F03E693ADA9D87F8FB4857EB8_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_C308175F03E693ADA9D87F8FB4857EB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_C308175F03E693ADA9D87F8FB4857EB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_C308175F03E693ADA9D87F8FB4857EB8" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_C308175F03E693ADA9D87F8FB4857EB8" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_32E53C91F8894B6C668D7F8FB4853997_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_32E53C91F8894B6C668D7F8FB4853997" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">(Increase) decrease in prepaid and other assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_32E53C91F8894B6C668D7F8FB4853997_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_32E53C91F8894B6C668D7F8FB4853997" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_32E53C91F8894B6C668D7F8FB4853997" xlink:to="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_32E53C91F8894B6C668D7F8FB4853997" xlink:type="arc" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_C8C9EB14466EA35B74717F8FB485EDAB_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_C8C9EB14466EA35B74717F8FB485EDAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_C8C9EB14466EA35B74717F8FB485EDAB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_C8C9EB14466EA35B74717F8FB485EDAB" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_C8C9EB14466EA35B74717F8FB485EDAB" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_19AD0D42F72CD61D965E7F8FB4856589_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_19AD0D42F72CD61D965E7F8FB4856589" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_19AD0D42F72CD61D965E7F8FB4856589_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_19AD0D42F72CD61D965E7F8FB4856589" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_19AD0D42F72CD61D965E7F8FB4856589" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_19AD0D42F72CD61D965E7F8FB4856589" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_19AD0D42F72CD61D965E7F8FB4856589" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2D944EFA82D0DF1A6CB27F8FB4860EA9_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2D944EFA82D0DF1A6CB27F8FB4860EA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2D944EFA82D0DF1A6CB27F8FB4860EA9_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2D944EFA82D0DF1A6CB27F8FB4860EA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2D944EFA82D0DF1A6CB27F8FB4860EA9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2D944EFA82D0DF1A6CB27F8FB4860EA9" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2D944EFA82D0DF1A6CB27F8FB4860EA9" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireOilAndGasProperty_059DCF005938EF40806D7F8FB486052C_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireOilAndGasProperty_059DCF005938EF40806D7F8FB486052C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of oil and natural gas properties</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireOilAndGasProperty_059DCF005938EF40806D7F8FB486052C_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireOilAndGasProperty_059DCF005938EF40806D7F8FB486052C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Oil and Gas Property</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireOilAndGasProperty" xlink:label="loc_us-gaap_PaymentsToAcquireOilAndGasProperty_059DCF005938EF40806D7F8FB486052C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireOilAndGasProperty_059DCF005938EF40806D7F8FB486052C" xlink:to="lab_us-gaap_PaymentsToAcquireOilAndGasProperty_059DCF005938EF40806D7F8FB486052C" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_645D9648134F8CABCACF7F8FB48677DF_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_645D9648134F8CABCACF7F8FB48677DF" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Drilling and development capital expenditures</link:label>
    <link:label id="lab_us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_645D9648134F8CABCACF7F8FB48677DF_label_en-US" xlink:label="lab_us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_645D9648134F8CABCACF7F8FB48677DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Explore and Develop Oil and Gas Properties</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties" xlink:label="loc_us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_645D9648134F8CABCACF7F8FB48677DF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_645D9648134F8CABCACF7F8FB48677DF" xlink:to="lab_us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_645D9648134F8CABCACF7F8FB48677DF" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_B2A4D98049EF0BBEA8C57F8FB4863820_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_B2A4D98049EF0BBEA8C57F8FB4863820" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Purchases of other property and equipment</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_B2A4D98049EF0BBEA8C57F8FB4863820_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_B2A4D98049EF0BBEA8C57F8FB4863820" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Other Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_B2A4D98049EF0BBEA8C57F8FB4863820" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_AFEBF828453E16AD60E57F8FB487E9CD_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_AFEBF828453E16AD60E57F8FB487E9CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
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