1. Key Laboratory of Shale Oil and Gas Geological Survey, Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, China
2. College of Resources, Shijiazhuang University of Economics, Shijiazhuang, China
3. Department of Geoscience, University of Iowa, Iowa City, IA, USA
4. School of the Earth Sciences and Resources, China University of Geosciences, Beijing, China
5. Regional Geological and Mineral Resources Surveying Institute, Wuhan, China