Well tool locking device

Details Well tool locking device Well tool locking device

1984-04-30

1985-11-26

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

166214, E21B 2302

Patent

active

045549729

ABSTRACT:
A latch for releasably anchoring well tools such as gas lift valves, or the like, in receptacles in well conduits, the latch becoming automatically locked in the receptacle upon reaching its proper position therein.

REFERENCES:
patent: 2679903 (1954-06-01), McGowen, Jr. et al.
patent: 3074485 (1963-01-01), McGowen, Jr.
patent: 3088521 (1963-05-01), Graves
patent: 3208531 (1965-09-01), Tamplen
patent: 3356389 (1967-12-01), Fredd
patent: 3741601 (1973-06-01), Dudley
patent: 3827493 (1974-08-01), Terral
patent: 3863961 (1975-02-01), Dinning
patent: 3874447 (1975-04-01), McGowen, Jr.
patent: 4265306 (1981-05-01), Stout
patent: 4294313 (1981-10-01), Schwegman
patent: 4379488 (1983-04-01), Hamm

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