1. School of Geosciences, China University of Petroleum (East China), Qingdao266580, Shandong, China
2. Sanya Offshore Oil & Gas Research Institute, Northeast Petroleum University, Sanya572025, China
3. Key Laboratory of Continental Shale Hydrocarbon Accumulation and Efficient Development, Ministry of Education, Northeast Petroleum University, Daqing163318, China
4. Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan430100, China