1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, People’s Republic of China
2. School of Earth Science and Engineering, Xi’an Petroleum University, Xi’an, Shaanxi 710065, People’s Republic of China
3. Chongqing Gas District, PetroChina Southwest Oil and Gasfield Company, Chongqing 401120, People’s Republic of China
4. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, People’s Republic of China