Classification and optimization of deep marine shale reservoir facies: A case study of Longmaxi Formation shale in Luzhou block, southern Sichuan Basin
1 State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China
2 School of Geoscience and Technology, Southwest Petroleum University, Chengdu, Sichuan 610500, China
3 State Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing 102249, China
4 Unconventional Petroleum Research Institute, China University of Petroleum (Beijing), Beijing 102249, China
5 PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, China
6 CNPC Chuanqing Drilling Engineering Company Limited, Chengdu, Sichuan 610051, China
7 No.1 Gas Production Plant of PetroChina Qinghai Oilfield Company, Golmud, Qinghai 816000, China
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