1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059, China
2. College of Energy, Chengdu University of Technology, Chengdu, Sichuan 610059, China
3. WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Bentley 6102, Australia
4. CSIRO Energy, 26 Dick Perry Ave, Kensington, WA 6151, Australia