Well abandonment apparatus

Details Well abandonment apparatus Well abandonment apparatus

2008-06-03

2008-06-03

Neuder, William P (Department: 3672)

Wells

Processes

Cementing, plugging or consolidating

C166S298000, C166S377000

Reexamination Certificate

active

07380603

ABSTRACT:
A well abandonment apparatus is described. The apparatus can be run on drillstring and does not require the use of explosives to sever the casing. The apparatus includes both a cutting device to perforate and sever the casing and a sealing device to prevent well fluids from reaching the surface while the well abandonment operation is proceeding.

REFERENCES:
patent: 5101895 (1992-04-01), Gilbert
patent: 5261486 (1993-11-01), Cornette et al.
patent: 5381631 (1995-01-01), Raghavan et al.
patent: 5957198 (1999-09-01), Haynes
patent: 6012526 (2000-01-01), Jackson et al.
patent: 6155343 (2000-12-01), Lynde et al.
patent: 6431626 (2002-08-01), Bouligny
patent: 6478088 (2002-11-01), Hansen et al.
patent: 6629565 (2003-10-01), Harrell

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