| 砂岩透镜体油气藏成因机理与模式 |
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| 引用本文： | 杜春国,邹华耀,邵振军,张俊.砂岩透镜体油气藏成因机理与模式[J].吉林大学学报(地球科学版),2006,36(3):370-376. |
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| 作者姓名： | 杜春国 邹华耀 邵振军 张俊 |
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| 作者单位： | 1. 中国石油大学,石油天然气成藏机理教育部重点实验室,北京,102249
2. 大庆油田有限责任公司,第四采油厂第二油矿,黑龙江,大庆,163511 |
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| 摘 要： | 泥岩层的幕式压实/压裂现象和砂岩透镜体中沸腾包裹体的发现,证明了该类圈闭成藏过程中超压流体幕式充注机制的存在。综合考虑油气运聚的动力与作用方式、输导格架类型与流体流动样式、成藏特征、运聚机理和成藏模式,将砂岩透镜体动力学成因类型划分为毛细管力超压联控型和超压单控型。对砂岩透镜体中的流体排放机制进行了探讨,并认为处于强超压状态的砂岩透镜体油气藏可能存在侧向和垂向两种流体排放模式。
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| 关 键 词： | 砂岩透镜体 超压 成藏动力 幕式成藏 |
| 文章编号： | 1671-5888(2006)03-0370-07 |
| 收稿时间： | 2005-06-23 |
| 修稿时间： | 2005年6月23日 |
Formation Mechanism and Mode of Sand Lens Reservoirs |
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| DU Chun-guo,ZOU Hua-yao,SHAO Zhen-jun,ZHANG Jun.Formation Mechanism and Mode of Sand Lens Reservoirs[J].Journal of Jilin Unviersity:Earth Science Edition,2006,36(3):370-376. |
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| Authors: | DU Chun-guo ZOU Hua-yao SHAO Zhen-jun ZHANG Jun |
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| Institution: | 1. Key Laboratory of Hydrocarbon Accumulation, Ministry of Education ,China University of Petroleum, Beijing 102249, China; 2. Exploration Subcompany of Daqing Oilfield,CNPC,Daqing, Heilongjiang 163511 ,China |
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| Abstract: | The presence of episode compaction/fracturing phenomena of mud rocks and the discovery of boiling fluid inclusions in the sand lens show that the episodic charge mechanism of the overpressure fluids is a predominating cause for the reservoir formation.Based on the migration/accumulation(dynamics) and mode,on the type of conduit framework and mode of fluid flow and on the formation cha-(racteristics,) migration/accumulation mechanism and the reservoir formation model,the dynamic types of sand lens reservoirs formation are classified into capillary-overpressure control and single overpressure control types.The mode of fluid flow is discussed.It is believed that there may be both lateral and vertical flows in the sand lens under the overpressure condition. |
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| Keywords: | sand lens overpressure accumulation dynamics episode accumulation |
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