1. School of Energy Resource, China University of Geosciences, Beijing 100083, China
2. Coal Reservoir Laboratory of National Engineering Research Center of CBM Development & Utilization, China University of Geosciences, Beijing 100083, China
3. Beijing Key Laboratory of Unconventional Natural Gas Geological Evaluation and Development Engineering, China University of Geosciences, Beijing 100083, China
4. Institute of Meteorology and Geophysics, University of Vienna, Vienna 1090, Austria