1. College of Geosciences, China University of Petroleum (Beijing), Beijing, China;
2. Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
3. University of Chinese Academy of Sciences, Beijing, China
4. Ministry of Education, Key Laboratory of Continental Shale Hydrocarbon Accumulation and Efficient Development (Northwest Petroleum University), Daqing, China
5. Fengcheng Operation Area, PetroChina Xinjiang Oilfield, Karamay, China