1. School of Petroleum and Natural Gas Engineering, School of Energy - Changzhou University, Changzhou, Jiangsu 213164, China
2. Chuanqing Drilling Geological Exploration and Development Research Institute CNPC, Chengdu, Sichuan 600051, China
3. Research Institute of Unconventional Oil and Gas Science and Technology - China University of Petroleum, Beijing 102249, China