METHOD AND DEVICE FOR TREATMENT OF A PIPESTRING SECTION THAT IS POSITIONED IN A SET-BACK |
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申请号 | EP11763100 | 申请日 | 2011-03-25 | 公开(公告)号 | EP2553207A4 | 公开(公告)日 | 2018-01-17 |
申请人 | NAT OILWELL VARCO NORWAY AS; | 发明人 | BERGE ROAR; | ||||
摘要 | A method for treating pipe string sections being in a set-back and being arranged in a vertical position comprises arranging a remote-controllable manipulator at least at one of the threaded portions of the pipe string sections. In addition, the method comprises providing the remote-controllable manipulator with a tool. The tool is arranged to at least clean or lubricate said threaded portion. Further, the method comprises moving the tool to a threaded portion which is to be treated and at least clean or lubricate the threaded portion. | ||||||
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