1. Institute of Resources & Environment, Henan Polytechnic University, Jiaozuo, China
2. Collaborative Innovation Center of Coalbed Methane and Shale Gas for Central Plains Economic Region, Jiaozuo, China
3. State Collaborative Innovation Center of Coal Work Safety and Clean-efficiency Utilization, Jiaozuo, China
4. Zhejiang Nonferrous Metals Geological Survey Bureau, Shaoxing, China
5. Tianjin Geothermal Reconnaissance and Exploitation Design Institute, Tianjin, China