1. Department of Geoscience, University of Calgary, 2500 University Drive Northwest, Calgary, Alberta T2N 1N4, Canada
2. School of Energy Resource, China University of Geosciences, Beijing 100083, People’s Republic of China
3. Petroleum Exploration and Production Research Institute of Shengli Oilfield Company, Sinopec, Dongying, Shandong 257015, People’s Republic of China
4. Key Laboratory of Shale Oil and Gas Geological Survey, Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, People’s Republic of China