1. School of Energy Resource, Chengdu University of Technology, Chengdu, Sichuan, P.R. China
2. Sinopec Southwest Oil & Gas Company, Chengdu, Sichuan, P.R. China
3. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu, Sichuan, P.R.China
4. Southwest Oil and gas field exploration and Development Research Institute, PetroChina, Chengdu, Sichuan, P.R. China
5. Beijing Research Center, CNOOC (China) Co., Beijing, China