1. College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China
2. Guizhou Panjiang Coalbed Methane Development and Utilization Company Limited, Guiyang 550081, China
3. School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China
4. Geological Exploration and Development Research Institute, CNPC Chuanqing Drilling Engineering Co., Ltd., Chengdu, Sichuan 610051, China
5. Guizhou Energy Industry Research Institute Co., Ltd., Guiyang 550000, China