Process and mechanism for oil and gas accumulation,adjustment and reconstruction in Puguang Gas Field,Northeast Sichuan Basin,China |
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| Authors: | ChunGuo Du Fang Hao HuaYao Zou YangMing Zhu XunYu Cai CunWu Wang |
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| Affiliation: | DU ChunGuo1,HAO Fang1,ZOU HuaYao1,ZHU YangMing2,CAI XunYu3 & WANG CunWu4 1 Key Laboratory of Ministry of Education for Mechanism of Petroleum Accumulation,Petroleum University of China,Beijing 102249,China,2 Department of Earth Sciences,Zhejiang University,Hangzhou 310027,3 SinoPec South Exploration , Production Company,Kunming 650000,4 Faculty of Earth Resources,China University of Geosciences,Wuhan 430074 |
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| Abstract: | With the discoveries of a series of large gas fields in the northeast of Sichuan Basin, such as Puguang and Longgang gas fields, the formation mechanism of the gas reservoir containing high H2S in the ancient marine carbonate formation in superposition-basin becomes a hot topic in the field of petroleum geology. Based on the structure inversion, numerical simulation, and geochemical research, we show at least two intervals of fluid transfer in Puguang paleo-oil reservoir, one in the forepart of late Indo-Ch... |
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