发明公开
EP1885994A1 A DEVICE FOR SELECTIVE MOVEMENT OF WELL TOOLS AND ALSO A METHOD OF USING SAME
有权
设备技术的井具的选择性移动以及其使用的其他方法
- 专利标题： A DEVICE FOR SELECTIVE MOVEMENT OF WELL TOOLS AND ALSO A METHOD OF USING SAME
- 专利标题（中）： 设备技术的井具的选择性移动以及其使用的其他方法
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申请号： EP06747645.7申请日： 2006-05-18
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公开(公告)号： EP1885994A1公开(公告)日： 2008-02-13
- 发明人: HANSEN, Henning
- 申请人： Ziebel AS
- 申请人地址： P.O. Box 326 4067 Stavanger NO
- 专利权人： Ziebel AS
- 当前专利权人： Ziebel AS
- 当前专利权人地址： P.O. Box 326 4067 Stavanger NO
- 代理机构： Hedley, Nicholas James Matthew
- 优先权： NO20052539 20050527
- 国际公布： WO2006126886 20061130
- 主分类号： E21B43/12
- IPC分类号： E21B43/12 ; F04B17/04
摘要：
The present invention relates to a device for the selective movement of a well tool (20, 20', 40) in or through at least a portion of a pipe string (2), said at least one portion of the pipe string (2) being provided with a plurality of electromagnets (3) which are arranged to produce a magnetic field in order, thereby, to move the well tool (20, 20', 40) within said at least one portion of the pipe string (2) by means of magnetic influence on said well tool (20, 20', 40) . The invention also relates to a method for practicing the invention.
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