Wells – With electrical means – Magnetic
Reexamination Certificate
2007-05-22
2007-05-22
Neuder, William (Department: 3672)
Wells
With electrical means
Magnetic
C166S099000
Reexamination Certificate
active
10892644
ABSTRACT:
A tool10for suspending in a well retrieves various metal debris from the well, and includes an elongate tool body12within a plurality of circumferentially shaped slots14. Each slot having a radially outward portion with a circumferential width less than a circumferential width of a radially inward portion. The plurality of magnets16are provided in each slot, and one or more stop rings18retain the plurality of magnets in the slots while allowing for removal of the magnets from the slots. Each of the plurality of magnets16may be substantially enclosed within a non-ferrous carrier26having an outer configuration for fitting within a respective of one of the plurality of slots. According to the method of invention, the magnets are postioned within the slots and are retained within the slots by the one or more stop rings, and the elongate tool body and the plurality of the magnets are suspended in a well.
REFERENCES:
patent: 2709104 (1955-05-01), Gibbs
patent: 2729494 (1956-01-01), Trowbridge
patent: 2918323 (1959-12-01), Coffee
patent: 3089724 (1963-05-01), Crooks
patent: 3637033 (1972-01-01), Mayall
patent: 3905631 (1975-09-01), Ricks et al.
patent: 4226285 (1980-10-01), Moseley, Jr.
patent: 5178757 (1993-01-01), Corney
patent: 5453188 (1995-09-01), Florescu et al.
patent: 5454943 (1995-10-01), Ashton et al.
patent: 5944100 (1999-08-01), Hipp
patent: 6216787 (2001-04-01), Ruttley
patent: 6269877 (2001-08-01), Zeer et al.
patent: 6308781 (2001-10-01), Ruttley
patent: 6354386 (2002-03-01), Ruttley
patent: 6357539 (2002-03-01), Ruttley
patent: 6439303 (2002-08-01), Sorhus et al.
patent: 6491117 (2002-12-01), Ruttley
patent: 6629562 (2003-10-01), Fidan
patent: 6655462 (2003-12-01), Carmichael et al.
patent: 2001/0013413 (2001-08-01), Ruttley
patent: 2003/0159834 (2003-08-01), Kirk et al.
patent: 2005/0184611 (2005-08-01), Rinholm et al.
SPS AFOS—Wellbore Completion Services, Magno Back Literature, p. 8.
Rattler Tools, Mag-Trap Liertature.
Bilco Tools Inc.
Browning & Bushman P.C.
Coy Nicole
Neuder William
LandOfFree
Downhole magnetic retrieval tool does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Downhole magnetic retrieval tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Downhole magnetic retrieval tool will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3734544