1. College of Geoscience and Surveying Engineering, China University of Mining & Technology, Beijing, China
2. Unconventional Oil and Gas Resource Center, Shenhua Geological Exploration Co. Ltd, Beijing, China
3. Geological Research Center, BGP Inc., China National Petroleum Corporation, Zhuozhou, China
4. Exploration and Development Research Institute, Qinghai Oilfield Company, PetroChina, Dunhuang, China
5. School of Earth Sciences, Zhejiang University, Hangzhou, China