1. Key Laboratory of Marine Reservoir Evolution and Hydrocarbon Accumulation Mechanism, Ministry of Education, China University of Geosciences, Beijing 100083, China. E-mail: lujun615@163.com
2. School of Geophysics and Information Technology, China University of Geosciences, Beijing 100083, China
3. Department of Geosciences, The University of Tulsa, Tulsa, OK 74104, USA