1. School of Energy Resources, China University of Geosciences, Beijing, China
2. Beijing Key Laboratory of Unconventional Natural Gas Geological Evaluation and Development, China University of Geosciences, Beijing, China
3. Key Laboratory of Strategy Evaluation for Shale Gas, Ministry of Natural Resources of the People’s Republic of China, China University of Geosciences, Beijing, China
4. PetroChain Huabei Oilfield Co, Renqiu, China