Institute of Energy,Peking University,Beijing 100871,China

Peking University Ordos Research Institute of Energy,Ordos 017010,China

State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development,Beijing 100083,China

School of Energy and Resources,China University of Geosciences,Beijing 100083,China

Research Institute of Petroleum Exploration and Development,China National Petroleum Corporation,Beijing 100083,China

Sinopec Star Company Limited,Beijing 100083,China