Invention Grant
US09121242B2 Downhole magnet, downhole magnetic jetting tool and method of attachment of magnet pieces to the tool body
有权
井下磁铁，井下磁力喷射工具以及将磁体片连接到工具体上的方法
- Patent Title: Downhole magnet, downhole magnetic jetting tool and method of attachment of magnet pieces to the tool body
- Patent Title (中): 井下磁铁，井下磁力喷射工具以及将磁体片连接到工具体上的方法
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Application No.: US13710653Application Date: 2012-12-11
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Publication No.: US09121242B2Publication Date: 2015-09-01
- Inventor: Simon Leiper , Kevin Robertson
- Applicant: Simon Leiper , Kevin Robertson
- Applicant Address: NO Tananger
- Assignee: Odfjell Well Services Norway AS
- Current Assignee: Odfjell Well Services Norway AS
- Current Assignee Address: NO Tananger
- Agency: Garvey, Smith, Nehrbass, & North, LLC
- Agent Brett A. North
- Main IPC: E21B31/06
- IPC: E21B31/06 ; E21B37/00
Abstract:
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.
Public/Granted literature
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