1. State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Sinopec, Beijing 100083, China
2. Key Laboratory of Marine Oil & Gas Reservoirs Production, Sinopec, Beijing 100083, China
3. School of Mines, China University of Mining and Technology, Xuzhou 221116, China
4. Key Laboratory of Xinjiang Coal Resources Green Mining (Xinjiang Institute of Engineering), Ministry of Education, Urumqi 830023, China