1Key Laboratory of Tectonics and Petroleum Resources, China University of Geosciences, Ministry of Education, Wuhan 430074, China
2Key Laboratory of Oil Shale and Coexistent Energy Minerals of Jilin Province, Changchun, 130061, China
3China National Offshore Oil Corporation, Beijing, 10028, China
4School of Geosciences and Info-physics, Central South University, Changsha 410083, China