1. School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou221116, China
2. National Engineering Research Center of Coalbed Methane Development & Utilization, Beijing100095, China
3. PetroChina Coalbed Methane Company Limited, Beijing100028, China
4. Northwestern Sichuan Gas District, PetroChina Southwest Oil & Gas Field Company, Jiangyou621741, Sichuan, China
5. Weinan Transportation Service Center, Traffic Complex Building, West Section of Dongfeng, Weinan714026, Shanxi, China
6. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou221116, China
7. Department of Petroleum Engineering, Texas A&M University, College Station, Texas77843, United States