1. Key Laboratory of Orogenic Belts and Crustal Evolution (Ministry of Education), School of Earth and Space Sciences, Peking University, Beijing 100871, China
2. Beijing International Center for Gas Hydrate, Peking University, Beijing 100871, China
3. Institute for Ocean Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
4. National Engineering Research Center for Gas Hydrate Exploration and Development, Guangzhou 511466, China