1. College of Petroleum Engineering, Xi’an Shiyou University, Xi’an 710065, China
2. Shaanxi Key Laboratory of Advanced Stimulation Technology for Oil & Gas Reservoirs, Xi’an 710065, China
3. Engineering Research Center of Development and Management for Low to Ultra-low Permeability Oil & Gas Reservoirs in West China (Ministry of Education), Xi’an 710065, China
4. State Key Laboratory of Offshore Oil and Gas Exploitation, CNOOC Research Institute Co., Ltd., Beijing 100028, China
5. National Engineering Research Center of China United Coalbed Methane Co., Ltd., Beijing 100095, China
6. Tianjin Branch of China National Offshore Oil Corporation (China) Co., Ltd., Tianjin 300450, China
7. National Key Laboratory of Oil and Gas Resources and Engineering, China University of Petroleum (Beijing), Beijing 102249, China