1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China
2. Department of Petroleum and Chemical Engineering, University of Calgary, Calgary, AB T2N1T4, Canada
3. Baikouquan Oil Production Plant of PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang 834011, China