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Derivatives - Open Commodity Derivative Contracts (Details) | 3 Months Ended
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Mar. 31, 2018 $ / Mcf $ / bbl MBbls MMcf
Oil Price Swaps, April 2018 - December 2018 |
Derivative Instruments and Hedging Activities Disclosure |
Notional (Oil in MBbls/Natural Gas in MMcf) | MBbls | 2,749
Weighted Avg. Fixed Price (Oil in USD/bbl, Natural Gas in USD/mcf) | $ / bbl | 55.87
Oil Price Swaps, January 2019 - December 2019 |
Derivative Instruments and Hedging Activities Disclosure |
Notional (Oil in MBbls/Natural Gas in MMcf) | MBbls | 1,825
Weighted Avg. Fixed Price (Oil in USD/bbl, Natural Gas in USD/mcf) | $ / bbl | 54.29
Natural Gas Price Swaps, April 2018 - December 2018 |
Derivative Instruments and Hedging Activities Disclosure |
Notional (Oil in MBbls/Natural Gas in MMcf) | MMcf | 11,000
Weighted Avg. Fixed Price (Oil in USD/bbl, Natural Gas in USD/mcf) | $ / Mcf | 3.11

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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
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