Wireline pull disconnect

Details Wireline pull disconnect Wireline pull disconnect

1993-04-30

1994-11-15

Buiz, Michael Powell

Wells

Processes

Disassembling well part

166123, E21B 2300

Patent

active

053639219

ABSTRACT:
A wireline pull disconnect is enclosed which operates using a system of trapped collets. The collets are releasable by a pulling force which is resisted by one or more Belleville washers. Upon the exertion of a predetermined force which will flatten the Belleville washers, sufficient movement of the components of the pull disconnect occurs so that the collets become liberated and disconnection is effected.

REFERENCES:
patent: 4295528 (1981-10-01), Carmody
patent: 4715445 (1987-12-01), Smith, Jr.
patent: 4793411 (1988-12-01), Zunkel
patent: 4796707 (1989-01-01), Halbardier

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