|
Schedule of Depreciation, Depletion, Amortization and Accretion Expense (Detail)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|
| Reserve Quantities [Line Items] | |||
| Depreciation, depletion, amortization and accretion per Mcfe | 3.47 | 3.24 | 3.38 |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Depreciation depletion amortization and accretion per mcfe No definition available.
|