1. Shandong Provincial Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China), Qingdao, China
2. School of Geosciences, China University of Petroleum (East China), Qingdao, China
3. Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
4. National Institute of Oceanography and Applied Geophysics OGS, Trieste, Italy
5. Key Laboratory of Petroleum Resource Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, P. R. China