1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China
2. Department of Geosciences and Geological and Petroleum Engineering, Missouri University of Science and Technology, Rolla, Missouri 65401, United States
3. Research Institute of Petroleum Engineering, Northwest Oilfield Company, Sinopec, Urumqi, Xinjiang 830011, China