| 苏北盆地高邮凹陷断层鄄岩性油藏断层封闭性研究 |
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| 引用本文： | 董才源,刘震,李储华,刘启东.苏北盆地高邮凹陷断层鄄岩性油藏断层封闭性研究[J].断块油气田,2013(6):686-689. |
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| 作者姓名： | 董才源 刘震 李储华 刘启东 |
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| 作者单位： | [1]中国石油勘探开发研究院,北京100083 [2]中国石油大学北京油气资源与探测国家重点实验室,北京102249 [3]中国石化江苏油田分公司地质科学研究院,江苏扬州225009 |
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| 基金项目： | 基金项目：国家科技重大专项“中国大型气田形成条件、富集规律及目标评价”（2008ZX05007） |
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| 摘 要： | 基于苏北盆地高邮凹陷戴南组断层一岩性油藏断层现今与成藏期垂向正应力研究，分析了断层垂向封闭性演化规律。高邮凹陷主要断层一岩性复合油藏现今断层正应力分布在13.825.0 MPa，断层垂向封闭性正应力临界值为13.8 M Pa,成藏期正应力分布于8.920.2 MPa，多数控藏断层成藏期开启作为输导通道，现今封闭成为遮挡条件，但偶有例外，邵深1油藏控藏断层成藏期与现今皆封闭，此类油藏极有可能自生自储。
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| 关 键 词： | 断层一岩性油藏 正应力 断层封闭性 高邮凹陷 苏北盆地 |
Fault sealing study on fault-lithologic reservoirs in Gaoyou Depression of Subei Basin |
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| Dong Caiyuan,Liu Zhen,Li Chuhua,Liu Qidong.Fault sealing study on fault-lithologic reservoirs in Gaoyou Depression of Subei Basin[J].Fault-Block Oil & Gas Field,2013(6):686-689. |
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| Authors: | Dong Caiyuan Liu Zhen Li Chuhua Liu Qidong |
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| Affiliation: | 1.Research Institute of Petroleum Exploration ＆ Development, PetroChina, Beijing 100083, China; 2State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China; 3.Research Institute of Geological Science, Jiangsu Oilfield Commany, SINOPEC, Yangzhou 225009, China) |
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| Abstract: | Fault sealing evolution is analyzed based on the normal stress calculation of Dainan Formation reservoir. The favorable area of fault-lithologic reservoirs is predicted in Gaoyou Depression of Subei Basin. It is concluded that the present normal stress of major faults in fauh-lithologic reservoirs is from 13.8 to 25 MPa and the critieal value of fauh sealing is 13.8 MPa. The normal stress of fauhs in fauh-lithologic reservoirs in accumulation period is from 8.9 to 20.2 MPa, most of tile reservoir faults are open in the accumulation period, but they are closed now. However, there is one reservoir with fault sealing all the time, which is Shaoshen I reservoir thought to be the own source type. |
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| Keywords: | fauh-lithologic reservoir normal stress fault sealing Gaoyou Depression Subei Basin |
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