1. 1 State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development Beijing 100083 China
2. 2 State Energy Center for Shale Oil Research and Development Beijing 100083 China
3. 3 Sinopec Petroleum Exploration and Production Research Institute Beijing 100083 China sinopec.com
4. 4 Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100191 China english.igg.cas.cn