1. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, China
2. Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process, Ministry of Education, China University of Mining and Technology, Xuzhou, China
3. Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, School of Earth and Space Sciences, Peking University, Beijing, China
4. Qinghai Oilfield Company, PetroChina, Dunhuang, China
5. College of Earth Sciences, Jilin University, Changchun, China
6. Department of Natural Resources of Guizhou Province, Guizhou Research Institute of Petroleum Exploration & Development, Guiyang, China