1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, People’s Republic of China
2. Changqing Downhole Technical Service Company of Chuanqing Drilling Engineering Company, Limited, China National Petroleum Corporation (CNPC), Xian, Shanxi 710000 People’s Republic of China
3. Research Institute of Natural Gas Technology, PetroChina Southwest Oil and Gas Field Company, Chengdu, Sichuan 610213 People’s Republic of China
4. CNPC Southwest Oil and Gas Field Company Exploration and Development Research Institute, Chengdu, Sichuan 610051, People’s Republic of China