1. Department of Earth Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, PR China
2. Beijing Key Laboratory of Unconventional Natural Gas Geological Evaluation and Development Engineering, China University of Geosciences, Beijing 100083, PR China
3. Provincial Center of Technology Innovation for Coal Measure Gas Coproduction, Taiyuan 030000, China
4. Shanxi Key Laboratory of Fine Exploration of Coal-Based Critical Mineral Resources, Xi’an 710065, China
5. China United Coalbed Methane Co., Ltd., Beijing 100016, China
6. Research Institute of Shaanxi Yanchang Petroleum (Group) Co., Ltd., Xi’an, Shaanxi 710065, China