天然气地质学

油气藏研究中流体包裹体应用的几点体会

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  • 1.中国石油勘探开发研究院,北京  100083;
    2.南京大学地球科学与工程学院,江苏 南京  210093;
    3.中国石油化工股份有限公司胜利油田分公司地质科学研究院,山东 东营  257015
卓勤功(1969-),男,安徽萧县人,高级工程师,博士后,主要从事油气成藏研究.

收稿日期: 2010-02-25

  修回日期: 2010-03-25

  网络出版日期: 2011-02-10

基金资助

中国石油化工股份有限公司科技项目“东营凹陷成藏组合体理论研究”(编号:P00018);“济阳坳陷隐蔽油气藏成藏动力学研究及预测”(编号:P03038);“成岩过程中的耗水作用与油气成藏”(编号:P07009)联合资助.

Experiences on Application of Fluid Inclusion in Research of Reservoir

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  • 1. Research Institute of Petroleum Exploration and Development, CNPC, Beijing 100083, China;
    2. School of Earth Science and Engineering, Nanjing University, Nanjing 210093, China;
    3. Geological Research Institute, Shengli Oilfield Company, SINOPEC, Dongying 257015, China

Received date: 2010-02-25

  Revised date: 2010-03-25

  Online published: 2011-02-10

摘要

储层流体包裹体蕴涵着丰富的油气成藏信息,被广泛应用在含油气盆地热史分析、油气成藏研究等领域。值得注意的是,含油储层流体包裹体均一温度高于其正常的埋藏温度,据此计算的成藏时间较晚、流体古压力偏高;含烃流体包裹体多形成于油气充注早中期,有机质成熟度一般低于储层原油的成熟度;早期少量油气充注与晚期大量油气快速充注均难以形成较多的含烃流体包裹体。流体包裹体丰度法确定的古油水界面和成藏期次偏少;盆地晚期高温热液活动有利于驱动油气输导通道中吸附烃的运聚。这些认识对于深化流体包裹体形成机制和油气成藏机理具有重要的理论意义。

本文引用格式

卓勤功, 宋岩, 倪培, 郝雪峰, 熊伟 . 油气藏研究中流体包裹体应用的几点体会[J]. 天然气地球科学, 2011 , 22(1) : 122 -128 . DOI: 10.11764/j.issn.1672-1926.2011.01.122

Abstract

Fluid inclusion in reservoir implies abundant information of reservoir-forming, which is widely used in research of thermal history, reservoir\|forming, and more territories in petroliferous basin. It is revealed that homogenization temperature of fluid inclusion in oiliness reservoir is more than its normal burial temperature. Reservoir calculated in view of the above is usually formed in late stage with relative high fluid paleopressure. Hydrocarbon-bearing fluid inclusions are mainly trapped in the early and middle period of petroleum migration and accumulation. The maturity of organic material is ordinarily lower than that of crude oil in reservoir. It is difficult to form abundant hydrocarbon-bearing fluid inclusions in the early stage of a little petroleum migration and in late period of a great quantity of petroleum migration speedily. Paleo-OWC and reservoir-forming stages assured by abundance of fluid inclusion are less. The hypothermal fluid action in the late evolution period is favourable for the migration and accumulation of adsorbed hydrocarbon in migration pathway. The results have great significance to study formation mechanisim of fluid inclusion and reservoir.
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