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Supplemental Information On Oil And Gas Exploration And Production Activities (Narrative) (Details) (USD $)
除非另有说明，单位为千 |
12个月结束 | |||||
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12月. 31, 2012
MBoe
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12月. 31, 2012
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12月. 31, 2011
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12月. 31, 2011
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12月. 31, 2010
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12月. 31, 2010
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| Oil and Gas Exploration and Production Industries Disclosures [Abstract] | ||||||
| 每单位价格（美元/ MMbls或MMcf） | 2.76 | 91.32 | 96.19 | 4.12 | 76.16 | 4.38 |
| 期间储备减少 | (12,564) | (12,564) | ||||
| 与估计数变动有关的储备金减少 | 442 | 442 | ||||
| 未来的开发成本估计在2013年 | $ 82,772 | |||||
| 未来的开发成本估计在2014年 | 16,416 | |||||
| 未来的开发成本估计在2015年 | $ 4,335 | |||||
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——定义
The revenues derived from sales of oil or gas in each geographic area during the reporting period divided by the number of barrels of oil produced or thousands of cubic feet of gas produced. 参考文献1:http://www.xbrl.org/2003/role/presentationRef
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——细节
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