Retrievable torque-through packer having high strength and reduc

Details Retrievable torque-through packer having high strength and reduc Retrievable torque-through packer having high strength and reduc

1999-03-22

2000-05-02

Neuder, William

Wells

Packers or plugs

With expanding anchor

166138, E21B 2306, E21B 33128

Patent

active

060560525

ABSTRACT:
A packer for use in subterranean wellbores provides efficient utilization of its cross-sectional area with mechanisms therein for anchoring, sealing, and torquing through the packer. In a preferred embodiment, a retrievable packer has a tubular mandrel, rubbers disposed on the mandrel, upper and lower compression members axially straddling the rubbers, a barrel-type casing slip, upper and lower wedges axially straddling the casing slip, a release mechanism, and a series of threaded load-distributing components which help to prevent collapse of the mandrel.

REFERENCES:
patent: 3678998 (1972-07-01), Cockrell et al.
patent: 3744563 (1973-07-01), McGill
patent: 3749166 (1973-07-01), Young
patent: 4921045 (1990-05-01), Richardson
patent: 5441111 (1995-08-01), Whiteford

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