1. Northeast Petroleum University, Daqing, Heilongjiang 163318, China
2. Shaanxi Key Laboratory of Lacustrine Shale Gas Accumulation and Exploitation, Xi’an, Shanxi 710075, China
3. SINOPEC Petroleum Exploration and Production Research Institute, Beijing 100083, China
4. PetroChina Changqing Oilfield Company, No. 10 Oil Production Plant, Qingyang, Gansu 745100, China
5. National Research Center for Geoanalysis, Chinese Academy of Geological Sciences, Beijing 100037, China
6. Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
7. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China