| 烃源岩之下岩性油藏成藏模拟实验及其机制分析 |
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| 引用本文： | 张云峰,王朋岩,陈章明.烃源岩之下岩性油藏成藏模拟实验及其机制分析[J].地质科学,2002,37(4):436-443. |
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| 作者姓名： | 张云峰 王朋岩 陈章明 |
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| 作者单位： | 大庆石油学院石油勘探系, 黑龙江安达, 151400 |
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| 基金项目： | 国家 973项目 (G1 9990 43 3 0 3 )，中国石油天然气集团公司中青年科技创新基金项目 (2 0 0 0 1 1 )的部分成果 |
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| 摘 要： | 在总结松辽盆地北部三肇凹陷扶余油层和杨大城子油层地质特征的基础上,设计了烃源岩之下岩性油藏实验模型;通过物理模拟实验,再现了烃源岩之下岩性油藏的形成过程,对油气运移的受力状态进行分析,探讨了烃源岩之下岩性圈闭中油气聚集成藏的机制.实验结果及实例表明,该类油藏的形成须满足两个地质条件,即上覆优质烃源岩具有足够超压和有断裂沟通烃源岩与下伏砂体,超压是油气向下运移的动力,断裂则是其主要运移通道,这对寻找烃源岩之下岩性油藏具有重要的指导意义.
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| 关 键 词： | 岩性油藏 模拟实验 成藏机制 三肇凹陷 |
| 收稿时间： | 2002-01-25 |
| 修稿时间： | 2002年1月25日 |
A MODELING EXPERIMENT ON LITHOLOGIC RESERVOIR FORMATION UNDERLYING SOURCE ROCKS AND ANALYSIS OF THE MECHANISM |
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| Zhang Yunfeng,Wang Pengyan,Chen Zhangming.A MODELING EXPERIMENT ON LITHOLOGIC RESERVOIR FORMATION UNDERLYING SOURCE ROCKS AND ANALYSIS OF THE MECHANISM[J].Chinese Journal of Geology,2002,37(4):436-443. |
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| Authors: | Zhang Yunfeng Wang Pengyan Chen Zhangming |
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| Institution: | Department of Petroleum Prospecting, Institute of Daqing Petroleum, Anda, Heilongjiang 151400 |
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| Abstract: | Based on geological characteristics of Fuyu and Yangdachengzi oil layers in the Sanzhao Depression, the north part of the Songliao Basin, an experimental model on lithologic reservoirs underlying source rocks was designed. Accumulating process of oil in the lithologic reservoirs underlying source rocks was reappeared through physical modeling experiment. Analyzing the forced status of oil and gas during the migration, this paper discussed the formation mechanism of lithologic reservoirs. The results of the experiment and the typical example showed that the formation of this type of lithologic reservoir might request two geological conditions, namely, a sufficient overpressure in the overlying source rocks and the faults connecting hydrocarbon source rocks and underlying sandbodies. The overpressure was the motive force having petroleum migrating downwards and the faults acted as channels of petroleum migration. The experiment must have a significance to explore lithologic reservoirs underlying resource rocks. |
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| Keywords: | Lithologic reservoir Modeling experiment Formation mechanism of lithologic reservoirs The Sanzhao Depression |
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