1. School of Resources & Environment, Henan Polytechnic University, Jiaozuo 454000, China
2. Collaborative Innovation Center of Coalbed Methane and Shale Gas for Central Plains Economic Region, Jiaozuo 454000, Henan Province, China
3. Key
Lab of Computational Geodynamics, College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China