| 莺—琼盆地1号断裂带含烃热流体活动初探 |
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| 引用本文： | 孙玉梅,欧光习.莺—琼盆地1号断裂带含烃热流体活动初探[J].岩石学报,2000,16(4):687-694. |
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| 作者姓名： | 孙玉梅 欧光习 |
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| 作者单位： | 1. 中海石油研究中心勘探院,河北高碑店,074000
2. 核工业总公司北京地质研究院,北京,100029 |
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| 摘 要： | １号断裂带是莺－琼盆地油气勘探的重点地区之一，有机包裹体研究有助于追踪油气及热流体活动的痕迹，为油气运聚成藏提供地球化学依据，通过包裹体薄片镜下观察，均一温度和盐度测试，认为工区内发育五种类型的有机包裹体：（１）液态烃包裹体；（２）气流态烃包裹体；（３）气态烃包裹体；（４）含烃ＣＯ２包裹体；（５）烃子矿物包裹体，含烃ＣＯ２包裹体一般与气态烃共生，含烃子矿物包裹体既无液态烃共生又与气态烃共生，包裹体
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| 关 键 词： | 热流体 有机包裹体 均一温度 油气运移 断裂带 |
Study of hydrocarbon-bearing hot fluid of No.1 fault zone in Ying-Qiong basin. |
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| Sun Yumei,Guo Naiyan and Ou Guangxi. . . Exploration Institute of CNOOC Research Center,Gaobeidian,Chin.Study of hydrocarbon-bearing hot fluid of No.1 fault zone in Ying-Qiong basin.[J].Acta Petrologica Sinica,2000,16(4):687-694. |
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| Authors: | Sun Yumei Guo Naiyan and Ou Guangxi Exploration Institute of CNOOC Research Center Gaobeidian Chin |
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| Institution: | Sun Yumei,Guo Naiyan and Ou Guangxi. . . Exploration Institute of CNOOC Research Center,Gaobeidian,Chin,. Beijing Geology Institute,Nuclear Industry Corporation,Beijing,China. |
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| Abstract: | No.1 fault zone in Ying Qiong basin is one of the important oil/gas exploration zones. The study of organic inclusion is of benefit to trace oil/gas migration and hot fluid activity. After examination on thin sections of inclusion, homogenization temperature and salinity of inclusions are detected. It is believed that there are five types of organic inclusions in No.1 fault zone in Ying Qiong basin: (1) liquid hydrocarbon inclusion; (2) liquid vapor two phases organic inclusion; (3) vapor hydrocarbon inclusion; (4) hydrocarbon bearing CO 2 inclusion; (5) hydrocarbon bearing daughter mineral inclusion. The hydrocarbon bearing CO 2 inclusion generally intergrow with vapor hydrocarbon inclusion. The hydrocarbon bearing daughter mineral inclusion intergrows both liquid hydrocarbon and vapor hydrocarbon inclusion. The change of inclusion abundance and type showns: No.1 fault is the pathway of oil/gas and hot fluid migration. No.1 fault rising block is short of good seal. No.1 fault subsiding block Huangliu and Yinggehai Formation can be sealed to a certain extent. Based on the sequence of authigenic mineral and directed measurement of inclusions, there exist many stages of hydrocarbon bearing hot fluid activities in No.1 fault zone of Ying Qiong basin: first, the brown oil migration; second, the oil bearing gas migration; and then, the gas and gas aqueous migration. The hydrocarbon bearing hot fluid is most strongly active at middle stage in No.1 fault. |
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| Keywords: | Hot fluid Organic inclusion Homogenization temperature Oil/gas migration |
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