1. School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China
2. School of Chemistry and Chemical Engineering, Yulin University, Yulin 719000, China
3. Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China
4. School of Geosciences, Yangtze University, Wuhan 430100, Hubei, China
5. Department of Geoscience, University of Calgary, Calgary, Alberta T2N 1N4, Canada