Slack adjustment for slip system in downhole well apparatus

Details Slack adjustment for slip system in downhole well apparatus Slack adjustment for slip system in downhole well apparatus

1982-06-24

1984-04-24

Leppink, James A.

Wells

Packers or plugs

With expanding anchor

166137, 166217, E21B 33129, E21B 33128

Patent

active

044442521

ABSTRACT:
A well packer having a radially extendable and retractable resilient annular sealing element and slip assembly includes a slack adjusting mechanism for maintaining the cooperating slip cones and slip members in an axially adjusted position to reduce radial play in the slip members when the slip assembly is in the retracted condition. The slack adjusting mechanism includes an internal threaded sleeve threadedly engaged with an integral tubular portion of the upper slip cone. The sleeve is disposed between the slip assembly and the sealing element and includes an annular seal urging shoulder formed thereon.

REFERENCES:
patent: 2600468 (1952-06-01), Breaux
patent: 2633917 (1953-07-01), Baker et al.
patent: 3062292 (1962-11-01), Lowney et al.
patent: 3244233 (1966-04-01), Villalon, Jr.
patent: 3398795 (1968-08-01), Elliston
patent: 3570596 (1971-03-01), Young
patent: 3631925 (1972-01-01), Nutten
patent: 4044826 (1977-08-01), Crowe
patent: 4156460 (1979-05-01), Crowe

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