1. Beijing International Center for Gas Hydrate, School of Earth and Space Sciences, Peking University, Beijing 100871, China
2. National Engineering Research Center for Gas Hydrate Exploration and Development, Guangzhou 511466, China
3. College of Safety and Ocean Engineering, China University of Petroleum, Beijing 102249, China
4. College of Engineering, Peking University, Beijing 100871, China
5. Chinese Academy of Geological Sciences, Beijing 100091, China