1. College of Earth Sciences, Jilin University, Changchun, Jilin 130061, China
2. Key-Lab for Oil Shale and Paragenetic Minerals of Jilin Province, Changchun, Jilin 130061, China
3. CNOOC Research Institute Co., Ltd., Beijing 100028, China
4. Oil and Gas Survey, China Geological Survey, Beijing 100083, China
5. Sino Probe Center, Chinese Academy of Geological Sciences, Beijing 100037, China