公开(公告)号：US12084948B2

公开(公告)日：2024-09-10

申请号：US17904804

申请日：2021-02-26

申请人： Japan Agency for Marine-Earth Science and Technology

发明人： Eigou Miyazaki ,  Yoshihisa Kawamura ,  Ikuo Sawada ,  Masanori Kyo ,  Mikito Furuichi ,  Keita Akiyama ,  Yasuhiro Namba

IPC分类号： E21B43/01 ,  E21B43/29

CPC分类号： E21B43/01 ,  E21B43/29

摘要： A method for recovering rare-earth mud including steps of: (A) penetrating a mud gathering pipe into a layer containing rare-earth mud under the seafloor, (B) preparing a slurry containing a rare earth by loosening rare-earth mud in the mud gathering pipe, and (C) transferring the slurry through a mud raising pipe. A rare-earth mud recovery system including: a mud gathering pipe configured to penetrate into a layer containing rare-earth mud under a seafloor; a stirring device configured to loosen rare-earth mud in the mud gathering pipe; and a mud raising pipe connected to the mud gathering pipe.