School of Energy Resource;
China University of Geosciences;
Beijing 100083;
China;
Key Laboratory of Marine Reservoir Evolution and Hydrocarbon Enrichment Mechanism;
Ministry of Education;
Beijing 100083;
China;
Key Laboratory of Strategy Evaluation for Shale Gas;
Ministry of Land and Resources;
Beijing 100083;
China;
CBM; co-produced; water; microbial; geochemistry; sulfate; methane; transition; zone; Shizhuangnan; Block;