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Diagenesis and Restructuring Mechanism of Oil and Gas Reservoir in the Marine Carbonate Formation,Northeastern Sichuan:A Case Study of the Puguang Gas Reservoir |
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| Authors: | DU Chunguo WANG Jianjun ZOU Huayao ZHU Yangming WANG Cunwu Research Institute of Petroleum Exploration Development Beijing China Petroleum University of China Beijing China |
| Affiliation: | [1]Research Institute of Petroleum Exploration and Development, Beijing 100034, China [2]Petroleum University of China, Beijing 102249, China [3]Department of Earth Science, Zhejiang University, Hangzhou 310027, China [4]Faculty of Earth Resources, China University ofGeosciences, Wuhan 430074, China |
| Abstract: | Based on the technology of balanced cross-section and physical simulation experiments associated with natural gas geochemical characteristic analyses, core and thin section observations, it has been proven that the Puguang gas reservoir has experienced two periods of diagenesis and restructuring since the Late Indo-Chinese epoch. One is the fluid transfer controlled by the tectonic movement and the other is geochemical reconstruction controlled by thermochemical sulfate reduction (TSR). The middle Yanshan e... |
| Keywords: | diagenesis and restructuring mechanism marine carbonate formation thermochemical sulfate reduction Puguang gas reservoir |
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