| Vertical Migration of Petroleum via Faults in Zhu Ⅲ Subbasin, Pearl River Mouth Basin, South China Sea |
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| 作者姓名： | Nie Fengjun East China Geological Institute Linchuan Institute of Geology China Seismological Bureau Beijing Li Sitian Wang Hua Xie Xinong Faculty of Earth Resources China University of Geosciences Wuhan Wu Keqiang Chin |
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| 作者单位： | Nie Fengjun East China Geological Institute，Linchuan 344000; Institute of Geology，China Seismological Bureau，Beijing 100029 Li Sitian Wang Hua Xie Xinong Faculty of Earth Resources，China University of Geosciences，Wuhan 430074 Wu Keqiang Chin |
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| 基金项目： | ThisstudywassupportedbytheNationalNaturalScienceFoundationofChina (No .49732 0 0 5 0 1 )andtheprojectofkeyandyoungteachersofin |
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| 摘 要： | ＩＮＴＲＯＤＵＣＴＩＯＮＤｏｗ (1994)ｓｔａｔｅｄ ,“Ｉｆｗｅｋｎｅｗｗｈｅｒｅｔｈｅｏｉｌｓｃａｍｅｆｒｏｍａｎｄｈｏｗｔｈｅｙｍｉｇｒａｔｅｄ ,ｗｅｃｏｕｌｄｂｅｔｔｅｒｐｒｅｄｉｃｔｗｈｅｒｅｔｈｅｙｗｏｕｌｄｂｅｆｏｕｎｄｉｎｔｈｅｆｕｔｕｒｅ .”Ｔｈｉｓｓｔａｔｅｍｅｎｔｈｉｇｈｌｉｇｈｔｓｔｗｏｉｍｐｏｒｔａｎｔａｓｐｅｃｔｓ,ｔｈｅｓｏｕｒｃｅｏｆｏｉｌｓａｎｄｔｈｅｍｉｇｒａｔｉｏｎｏｆｏｉｌｓ.Ｓｅｃｏｎｄａｒｙｍｉｇｒａｔｉｏｎｉｓｔｈｅｍｏｖｅｍｅｎｔｏｆｐｅｔｒｏｌｅｕｍｂ…
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| 关 键 词： | Zhu Ⅲ subbasin vertical migration abnormal pressure undercompaction basin modeling. |
Vertical Migration of Petroleum via Faults in Zhu Ⅲ Subbasin, Pearl River Mouth Basin, South China Sea |
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| Nie Fengjun East China Geological Institute,Linchuan , Institute of Geology,China Seismological Bureau,Beijing Li Sitian Wang Hua Xie Xinong Faculty of Earth Resources,China University of Geosciences,Wuhan Wu Keqiang Chin.Vertical Migration of Petroleum via Faults in Zhu Ⅲ Subbasin, Pearl River Mouth Basin, South China Sea[J].Journal of China University of Geosciences,2001,12(2). |
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| Authors: | Nie Fengjun Li Sitian Wang Hua Xie Xinong Wu Keqiang Jiang Meizhu |
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| Abstract: | The problem that faults act as a conduit for hydrocarbon-bearing fluid flow has been under debate for a long time. The southern boundary fault (FS) and No.2 fault belt in the Zhu Ⅲ subbasin in the Pearl River Mouth basin (PRMB) of South China Sea (SCS) are considered as the conduit of hydrocarbons for the oil and gas fields in the hydrocarbon-generating half grabens. Based upon the basin modeling and seismic velocity inversion simulation, there are abnormal-pressure compartments in the central part of half grabens. Wenchang, Enping and Zhuhai FormationⅡare seated within the abnormal-pressure zone, while the Zhuhai Formation Ⅰ is within the pressure-transition zone. The abnormal pressure was mainly caused by undercompaction due to the high rate of sedimentation for layers with an abnormal pressure. The increase of temperature of inclusions as the increase of depth supports vertical migration via faults in the study area. |
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