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Supplemental Oil and Natural Gas Reserve Data (unaudited) (Proved Undeveloped Reserves Narrative) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||
|---|---|---|---|---|
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Dec. 31, 2014
MBoe
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Dec. 31, 2013
MBoe
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Dec. 31, 2012
MBoe
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Dec. 31, 2011
MBoe
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| Reserve Quantities [Line Items] | ||||
| Proved Developed and Undeveloped Reserve, Net (Energy) | 32,824us-gaap_ProvedDevelopedAndUndevelopedReserveNetEnergy | 14,857us-gaap_ProvedDevelopedAndUndevelopedReserveNetEnergy | 14,072us-gaap_ProvedDevelopedAndUndevelopedReserveNetEnergy | |
| Proved Developed and Proved Undeveloped Reserves, Net | 15,928cpe_ProvedDevelopedAndProvedUndevelopedReservesBoeNet | |||
| Proved Developed and Proved Undeveloped Reserves, Percentage Change Between Periods | 121.00%cpe_ProvedDevelopedAndProvedUndevelopedReservesBoePercentageChangeBetweenPeriods | 6.00%cpe_ProvedDevelopedAndProvedUndevelopedReservesBoePercentageChangeBetweenPeriods | (12.00%)cpe_ProvedDevelopedAndProvedUndevelopedReservesBoePercentageChangeBetweenPeriods | |
| Proved Undeveloped Reserves, Percentage Change Between Periods | 98.00%cpe_ProvedUndevelopedReservesBoePercentageChangeBetweenPeriods | 1.00%cpe_ProvedUndevelopedReservesBoePercentageChangeBetweenPeriods | (18.00%)cpe_ProvedUndevelopedReservesBoePercentageChangeBetweenPeriods | |
| Proved Undeveloped Reserves | 14,623us-gaap_ProvedUndevelopedReserveBOE1 | 7,387us-gaap_ProvedUndevelopedReserveBOE1 | 7,337us-gaap_ProvedUndevelopedReserveBOE1 | 8,925us-gaap_ProvedUndevelopedReserveBOE1 |
| Proved Undeveloped Reserves Extensions Discoveries And Additions | 10,125cpe_ProvedUndevelopedReservesExtensProvedUndevelopedReservesExtensionsDiscoveriesAndAdditionsionsDiscoveriesAndAdditions | 5,168cpe_ProvedUndevelopedReservesExtensProvedUndevelopedReservesExtensionsDiscoveriesAndAdditionsionsDiscoveriesAndAdditions | 2,344cpe_ProvedUndevelopedReservesExtensProvedUndevelopedReservesExtensionsDiscoveriesAndAdditionsionsDiscoveriesAndAdditions | |
| Proved Undeveloped Reserves Reclassification to Proved Developed Production | (1,757)cpe_ProvedUndevelopedReservesReclassificationToProvedDevelopedProduction | 557cpe_ProvedUndevelopedReservesReclassificationToProvedDevelopedProduction | ||
| Proved Undeveloped Reserves Conversion to Proved Developed Reserves, Percentage Transferred | 24.00%cpe_ProvedUndevelopedReservesConversiontoProvedDevelopedReservesPercentageTransferred | 51.00%cpe_ProvedUndevelopedReservesConversiontoProvedDevelopedReservesPercentageTransferred | 6.00%cpe_ProvedUndevelopedReservesConversiontoProvedDevelopedReservesPercentageTransferred | |
| Proved Undeveloped Reserves Conversion to Proved Developed Reserves Total Cost | $ 34,619cpe_ProvedUndevelopedReservesConversionToProvedDevelopedReservesTotalCost | $ 19,000cpe_ProvedUndevelopedReservesConversionToProvedDevelopedReservesTotalCost | ||
| Reclassification of Proved Undeveloped Production Reserves to Horizontal Probable | 1,132cpe_ReclassificationOfProvedUndevelopedProductionReservesToHorizontalProbable | 3,724cpe_ReclassificationOfProvedUndevelopedProductionReservesToHorizontalProbable | ||
| Proved Undeveloped Reserves Sales Of Minerals In Place | 1,297cpe_ProvedUndevelopedReservesSalesOfMineralsInPlace | 1,148cpe_ProvedUndevelopedReservesSalesOfMineralsInPlace | ||
| Proved Undeveloped Reserves Sales Of Minerals In Place, Percentage | 18.00%cpe_ProvedUndevelopedReservesSalesOfMineralsInPlacePercentage | |||
| Proved Undeveloped Reserve Reductions No Longer Deemed To Be Economic | 2,227cpe_ProvedUndevelopedReserveReductionsNoLongerDeemedToBeEconomic | |||
| Permian Basin [Member] | ||||
| Reserve Quantities [Line Items] | ||||
| Number of wells drilled during the period |
34cpe_NumberOfWellsDrilledDuringPeriod / us-gaap_StatementGeographicalAxis = cpe_PermianBasinMember |
27cpe_NumberOfWellsDrilledDuringPeriod / us-gaap_StatementGeographicalAxis = cpe_PermianBasinMember |
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| Number of wells drilled during the period, net |
28.7cpe_NumberOfWellsDrilledDuringPeriodNet / us-gaap_StatementGeographicalAxis = cpe_PermianBasinMember |
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| X | ||||||||||
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- Definition
Number of wells drilled during the period No definition available.
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- Definition
Number of wells drilled during the period, net No definition available.
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- Definition
Proved Developed and Proved Undeveloped Reserves (BOE), Net No definition available.
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- Definition
Proved Developed and Undeveloped Reserves (BOE), Percentage Change Between Periods No definition available.
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| X | ||||||||||
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- Definition
Proved Undeveloped Reserve Reductions No Longer Deemed To Be Economic No definition available.
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| X | ||||||||||
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- Definition
Proved Undeveloped Reserves (BOE), Percentage Change Between Periods No definition available.
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| X | ||||||||||
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- Definition
Proved Undeveloped Reserves Conversion to Proved Developed Reserves, Percentage Transferred No definition available.
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| X | ||||||||||
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- Definition
Proved Undeveloped Reserves Conversion to Proved Developed Reserves Total Cost No definition available.
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| X | ||||||||||
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- Definition
Proved Undeveloped Reserves Extensions Discoveries And Additions No definition available.
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| X | ||||||||||
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- Definition
Proved Undeveloped Reserves Reclassification to Proved Developed Production No definition available.
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| X | ||||||||||
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- Definition
Proved Undeveloped Reserves Sales Of Minerals In Place No definition available.
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| X | ||||||||||
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- Definition
Proved Undeveloped Reserves Sales Of Minerals In Place, Percentage No definition available.
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| X | ||||||||||
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- Definition
Reclassification of Proved Undeveloped Production Reserves to Horizontal Probable No definition available.
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| X | ||||||||||
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- Definition
Energy measure of proved reserve of oil and gas, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Energy measure of proved undeveloped reserves of crude oil, including condensate and natural gas liquids, natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas. No definition available.
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- Details
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- Details
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