1. CNPC Engineering Technology R & D Company Limited, Beijing 102206, People’s Republic of China
2. PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, People’s Republic of China
3. State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing 102206, People’s Republic of China
4. Sinopec Petroleum Exploration and Production Research Institute, Beijing 102206, People’s Republic of China
5. Nanjing Center of China Geological Survey, Nanjing, Jiangsu 210061, People’s Republic of China