Institution: | 1. College of Energy Sources, Chengdu University of Technology, Chengdu, Sichuan 610059, P R of China; 2. Geological Research Institute, The second Oil Production Factory, Huabei Oilfield Branch Company, PetroChina, Renqiu, Hebei 065709, P R of China; 3. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation in Chengdu University of Technology, Chengdu, Sichuan 610059, P R of China |