| 流体包裹体在古压力模拟研究中的应用 |
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| 引用本文： | 陈红汉,董伟良,张树林,杨计海.流体包裹体在古压力模拟研究中的应用[J].石油与天然气地质,2002,23(3):207-211. |
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| 作者姓名： | 陈红汉 董伟良 张树林 杨计海 |
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| 作者单位： | 1. 中国地质大学,湖北武汉,430074
2. 南海西部石油公司,广东湛江,524057 |
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| 基金项目： | 国家自然科学基金 (№ 49572126)，国家“九五”攻关项目 (99-110-05-02-01)联合资助。 |
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| 摘 要： | 烃类流体包裹体的最小捕获压力可以通过其在P-T空间投影的等容线单值变化和等容线的物理特性来确定。南海琼东南盆地YC21-1构造崖城组砂岩中的方解石脉、石英次生加大边和颗粒裂纹中的流体包裹体反映,地史时期该区曾经发育过 4期流体包裹体,盖层在第三期热流体活动时期,曾发生过破裂,但稍后又快速愈合,从而未形成大量游离型天然气藏。
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| 关 键 词： | 流体包裹体 古压力 等容线 盖层破裂 琼东南 |
| 文章编号： | 0253-9985(2002)03-0207-05 |
APPLICATION OF FLUID INCLUSION IN PALAEOPRESSURE MODELLING RESEARCH |
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| Chen Honghan,Dong Weiliang,Zhang Shulin,Yang Jihai.APPLICATION OF FLUID INCLUSION IN PALAEOPRESSURE MODELLING RESEARCH[J].Oil & Gas Geology,2002,23(3):207-211. |
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| Authors: | Chen Honghan Dong Weiliang Zhang Shulin Yang Jihai |
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| Affiliation: | Chen Honghan1 Dong Weiliang2 Zhang Shulin1 Yang Jihai2 |
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| Abstract: | The minimum trapping pressure ratio of hydrocarbon fluid inclusions can be defined by their isochore single value variations in P-T space projection and physical property of their isochore. Calcite veins, quartz secondary enlarged margins and fluid inclusions in particle cracks in sandstones of Yancheng Formation of YC21-1 structure in Qiongdongnan(southeastern Hainan) basin of the South China Sea indicate in geologic history that four phases of fluid inclusions were developed in that region; the capping bed was once burst during the third mobile phase of thermo-fluid inclusions which would be healed soon after. Therefore, no many free-state natural gas reservoirs could be formed there. |
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| Keywords: | fluid inclusion palaeopressure isochore capping bed burst Qiongdongnan |
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