1. Key Laboratory of Mountain Hazards and Earth Surface Processes, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610000, China
2. School of Vehicle and Energy, Yanshan University, Qinhuangdao, 066000, China
3. Shale Gas Exploration and Development Department, CNPC Chuanqing Drilling Engineering Company Limited, Chengdu 610000, China