1. Faculty of Engineering, China University of Geosciences, Wuhan, Hubei 430074, China
2. National Center for International Research on Deep Earth Drilling and Resource Development, Wuhan, Hubei 430074, China
3. Drilling Fluid Technology Services of CNPC Bohai Drilling Engineering Company Limited, Tianjin 300280, China
4. Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China