- 专利标题： DOWNHOLE MAGNET, DOWNHOLE MAGNETIC JETTING TOOL AND METHOD OF ATTACHMENT OF MAGNET PIECES TO THE TOOL BODY
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申请号： US17315776申请日： 2021-05-10
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公开(公告)号： US20210332672A1公开(公告)日： 2021-10-28
- 发明人: Simon Leiper , Kevin Robertson
- 申请人： Odfjell Well Services Norway AS
- 申请人地址： NO Tananger
- 专利权人： Odfjell Well Services Norway AS
- 当前专利权人： Odfjell Well Services Norway AS
- 当前专利权人地址： NO Tananger
- 主分类号： E21B37/00
- IPC分类号： E21B37/00 ; E21B31/06
摘要：
A tool for suspending in a well retrieves various metal debris from the well, and includes an elongated tool body with a plurality of magnets included in a plurality longitudinal ridges which are circumferentially spaced. In the method a plurality of magnets can be positioned within openings, recesses, or pockets in each ridge, and held in place by one or more retaining plates, the tool being connected to a drill string and lowered into a well.
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