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Derivative Activities - Derivative Volumes Hedged and Average Hedge Prices (Detail) - Swaps | Dec. 31, 2015 MMBTU / d bbl / d $ / MMBTU $ / bbl $ / gal
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Natural Gas | 2016 |
Derivative [Line Items] |
Volume Hedged | MMBTU / d | 745,874
Average hedge price | $ / MMBTU | 3.24
Natural Gas | 2017 |
Derivative [Line Items] |
Volume Hedged | MMBTU / d | 20,000
Average hedge price | $ / MMBTU | 3.49
Crude Oil | 2016 |
Derivative [Line Items] |
Volume Hedged | 4,247
Average hedge price | $ / bbl | 65.27
Crude Oil | 2017 |
Derivative [Line Items] |
Volume Hedged | 500
Average hedge price | $ / bbl | 55.00
Commodity Contract NGLs (C3 - Propane) | 2016 |
Derivative [Line Items] |
Volume Hedged | 5,500
Average hedge price | $ / gal | 0.60
Commodity Contract NGLs (NC4 – Normal Butane) | 2016 |
Derivative [Line Items] |
Volume Hedged | 2,500
Average hedge price | $ / gal | 0.72
Commodity Contract NGLs (C5 - Natural Gasoline) | 2016 |
Derivative [Line Items] |
Volume Hedged | 2,749
Average hedge price | $ / gal | 1.20

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