1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China
2. School of Engineering, University of Aberdeen, King’s College, Aberdeen, AB24 3UE, UK
3. Petroleum Engineering Department, University of Houston, 5000 Gulf Freeway, Technology Bridge, Building 9B, Room 158, Houston, Texas 77204-0945, USA
4. International Research Institute of Stavanger, P.O. Box 8046, 4068 Stavanger, Norway
5. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing, China