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Supplemental Oil And Gas Disclosures (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
|---|---|---|
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Dec. 31, 2011
|
Dec. 31, 2009
Mcf
MMBoe
|
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| Proved undeveloped reserves, MMBoe | 3.9 | |
| Proved undeveloped reserves, Bcfe | 23.2 | |
| Increase in depreciation depletion and amortization | $ 7.6 | |
| Increase in depreciation depletion and amortization (per mcfe) | 0.08 | |
| Percentage of proved developed non-producing reserves | 10.00% | |
| Present value discounted percentage | 10.00% | |
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Minimum [Member]
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| Expected time to evaluate properties, in years | 1 | |
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Maximum [Member]
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| Expected time to evaluate properties, in years | 5 | |
| X | ||||||||||
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- Definition
Cumulative affect of accounting change on reserve depreciation depletion No definition available.
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| X | ||||||||||
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- Definition
Cumulative affect of accounting change on reserve depreciation depletion per mcfe No definition available.
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| X | ||||||||||
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- Definition
Cumulative affect of accounting change on reserve volumes No definition available.
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| X | ||||||||||
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- Definition
Cumulative Affect Of Accounting Change On Reserve Volumes, BOE No definition available.
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| X | ||||||||||
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- Definition
Expected time to evaluate properties. No definition available.
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| X | ||||||||||
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- Definition
Percentage Of Proved Developed Non-Producing Reserves No definition available.
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| X | ||||||||||
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- Definition
Present Value Discounted Percentage No definition available.
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