1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, P. R. China
2. Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education, Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, P. R. China
3. Laboratory of Advanced Energy Systems, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, P. R. China