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Supplemental Information On Oil And Gas Exploration And Production Activities (Results Of Operations For Producing Activities) (Details) (USD $)
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12个月结束 | ||
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12月. 31, 2011
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12月. 31, 2010
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12月. 31, 2009
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| Supplemental Information On Oil And Gas Exploration And Production Activities [Abstract] | |||
| 收入 | $ 228,953,000 | $ 127,636,000 | $ 85,576,000 |
| 生产成本 | (47,230,000) | (31,580,000) | (26,113,000) |
| 损耗 | (61,965,000) | (38,600,000) | (28,939,000) |
| 税前收入 | 119,758,000 | 57,456,000 | 30,524,000 |
| 当前的 | 282,000 | 40,000 | 28,000 |
| 递延 | (372,000) | ||
| 所得税费用（收益） | (90,000) | 40,000 | 28,000 |
| 生产活动的经营结果 | 119,848,000 | 57,416,000 | 30,496,000 |
| 每桶油当量耗损（BOE） | $ 26.56 | $ 19.54 | $ 17.25 |
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——细节
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——定义
折旧, 损耗和摊销, and valuation provisions (impairments) related to oil and gas producing activities. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
税前收入 for oil and gas producing activities. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
石油和天然气生产活动的所得税费用. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
The results of operations for oil and gas producing activities, 不包括公司管理费用和利息成本. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
Production (lifting) costs from oil and gas producing activities. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——定义
石油和天然气生产活动的总收入. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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