1. State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China
2. Schulich School of Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
3. Engineering Technology Research Institute, PetroChina Southwest Oil & Gas Field Company, Chengdu, Sichuan 610017, China
4. Petroleum Engineering Technology Institute of Southwest Petroleum Branch, SINOPEC, Deyang, Sichuan 618000, China