1. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum (Beijing), Beijing 102249, China
2. College of Geoscience, China University of Petroleum, Beijing 102249, China
3. Development and Research Center, National Geological Archives of China, China Geological Survey, Beijing 100037, China
4. Shengli Oilfield Branch, SINOPEC, Dongying, Shandong 257000, China