1 Institute of Energy, School of Earth and Space Sciences, Peking University, Beijing, 100871, China; State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing 100083, China. Electronic address: liuqy@pku.edu.cn.
2 State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing 100083, China; Petroleum Exploration & Production Research Institute, China Petroleum & Chemical Corporation, Beijing 102206, China.
3 Institute of Energy, School of Earth and Space Sciences, Peking University, Beijing, 100871, China; State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing 100083, China; Petroleum Exploration & Production Research Institute, China Petroleum & Chemical Corporation, Beijing 102206, China.
4 Department of Earth and Atmospheric Sciences, University of Houston, Houston, TX 77204, USA.
5 School of Natural Sciences, Macquarie University, Sydney, NSW 2109, Australia.