Quick set well packer

Details Quick set well packer Quick set well packer

1990-09-28

1992-07-14

Britts, Ramon S.

Wells

Packers or plugs

With expanding anchor

166125, 166143, E21B 2302

Patent

active

051294532

ABSTRACT:
An improved well packer for removeable installation in a well casing. A mandrel is associated with the packer for latching engagement with the well packer which can be released from the well packer by a simple rotation of the mandrel by no more than one-quarter turn. Arcuate 60.degree. segments of teeth are formed on opposing sides of the mandrel and contact ratchetable arcuate 60.degree. segments of teeth on opposing sides of the packer such that when the mandrel is moved longitudinally in relation to the packer, the ratchetable teeth can engage the fixed teeth on the mandrel. When it is desired to release the mandrel from the packer assembly, the mandrel is rotated no more than one-quarter turn and the mandrel teeth move out of engagement with the 60.degree. segment of the ratchetable teeth, thus disengaging the mandrel from the packer.

REFERENCES:
patent: 4375240 (1983-03-01), Baugh et al.
patent: 4437516 (1984-03-01), Cockrell
patent: 4750564 (1988-06-01), Pettigrew et al.
patent: 4856583 (1989-08-01), Greenlee et al.
patent: 4862961 (1989-09-01), Neff
Baker Packers 1982-83 Catalog, p. 852.
Minimum Exposure Packer, Part No. 118-S-0109.

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