1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
2. Chongqing University of Science and Technology, Chongqing 401331,China
3. Geological Exploration and Development Research Institute, Chuanqing Drilling Engineering Company, Chengdu 610051, China
4. Department of Chemical and Petroleum Engineering, Schulich School of Engineering, University of Calgary, Calgary T2N 1N4, Canada