1. College of Earth Science and Engineering, Qingdao Campus, Shandong University of Science and Technology, Qingdao 266590, China
2. Chengdu Center of Geological Survey, China Geological Survey, Ministry of Natural Resources, Chengdu 610081, China
3. Key Laboratory of Sedimentary Basin and Oil and Gas Resources, Ministry of Natural Resources, Chengdu 610500, China