1. Research Institute of Unconventional Oil & Gas and Renewable Energy (RIUE), China University of Petroleum (East China), Qingdao 266580, Shandong, PR China
2. School
of Geosciences, China University of Petroleum (East China), Qingdao 266580, Shandong, PR China
3. CSIRO Energy, 26 Dick
Perry Ave, Kensington, WA 6151, Australia
4. Shaanxi Province
Key Laboratory of Lacustrine Shale Gas Accumulation and Development, xi’an 710000, Shaanxi, PR China