1. Key Laboratory of Exploration Technologies for Oil and Gas Resources (Yangtze University), Ministry of Education, Wuhan 430100, China
2. College of Geophysics and Petroleum Resources, Yangtze University, Wuhan 430100, China
3. Information Center, Engineering Technology R&D Company Limited, CNPC, Beijing 102206, China
4. Shale Gas Institute of PetroChina Southwest Oil & Gas Field Company, Chengdu 610051, China