| 利用排驱压力研究断裂封闭性及其在塔里木盆地北部地区的应用 |
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| 引用本文： | 周新桂.利用排驱压力研究断裂封闭性及其在塔里木盆地北部地区的应用[J].地质力学学报,1997,3(2):47-53. |
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| 作者姓名： | 周新桂 |
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| 作者单位： | 中国地质科学院地质力学研究所 |
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| 基金项目： | 国家"八五"攻关项目《新疆塔里木盆地北部主要断裂应力场特征及油气关系》成果的一部分 |
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| 摘 要： | 排驱压力是实现油气二次运移所需的最小驱动力，是研究油气二次运移和评价封堵能力的主要指标。断裂的封闭和开启性取决于断裂带内物质之差异排驱应力的大小，差值愈大，断裂封闭性愈好，反之愈差，但断裂的封闭性不是一成不变的，一旦油气聚集超过了由差异排驱动压力控制的油气柱高度时，断裂将显示开启性，另外，随断裂发育时间和部位的不同，封闭性也不一样，本文着重研究塔里木盆地北部柯坪南缘断裂，印干断裂，库鲁克乌居木等断
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| 关 键 词： | 排驱压力 断裂封闭性 控油作用 油气藏 地质构造 |
| 收稿时间： | 1996/7/25 0:00:00 |
THE STUDY OF FAULT CLOSURE BY USE OF ENTRY PRESSURE AND ITS APPLICATION IN NORTH TARIM |
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| Zhou Xingui.THE STUDY OF FAULT CLOSURE BY USE OF ENTRY PRESSURE AND ITS APPLICATION IN NORTH TARIM[J].Journal of Geomechanics,1997,3(2):47-53. |
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| Authors: | Zhou Xingui |
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| Institution: | Institute of Geomechanics, CAGS |
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| Abstract: | The entry pressure is the minimum driving force which is responsible for oil and gas secondary migration and also major index that measures the secondary migration and the blocking capability of a fault.Opening and closing of a fault depends on the difference of the entry pressure in the fault zone and that in its two sides.This paper puts emphasis on the study of closing of southern Keping fault,Yinggan fault and Kulukejumo fault in the north Tarim basin with reference to the pressure-closed lower limit of mudstone cover and rc30 lower limit of oil-gas migration.The result is consistent with what were observed in the field. |
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| Keywords: | entry pressure fault closure oil-gas controlling |
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