Invention Grant
- Patent Title: Downhole magnet, downhole magnetic jetting tool and method of attachment of magnet pieces to the tool body
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Application No.: US14842423Application Date: 2015-09-01
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Publication No.: US09863219B2Publication Date: 2018-01-09
- Inventor: Simon Leiper , Kevin Robertson
- Applicant: Odfjell Well Services Norway AS
- Applicant Address: NO Tananger
- Assignee: Odfjell Well Services Norway AS
- Current Assignee: Odfjell Well Services Norway AS
- Current Assignee Address: NO Tananger
- 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
Information query