Tubing actuated retrievable packer

Details Tubing actuated retrievable packer Tubing actuated retrievable packer

1984-09-14

1986-09-09

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

166140, 166217, E21B 33129

Patent

active

046103007

ABSTRACT:
A packer apparatus for use in a subterranean well comprises an inner mandrel and means for applying tension to the inner mandrel to set radially expandable slips and packing elements. The mandrel can be releasably positioned in a first position to secure the slips and packing element in the retracted position and can be shifted to a second position in which engagable lock segments secure the slips and packing element in expanded configuration. The packer can be released by rotational manipulation or by axial force. The packer apparatus can be used with rotationally manipulatable well tools positioned either above or below the packer apparatus.

REFERENCES:
patent: 3020959 (1962-02-01), Nutter
patent: 3412803 (1968-11-01), Stachowiak
patent: 3623551 (1971-11-01), Randermann, Jr.
patent: 3749166 (1973-07-01), Young
patent: 4156460 (1979-05-01), Crowe
patent: 4176715 (1979-12-01), Bigelow et al.
patent: 4427063 (1984-01-01), Skinner
patent: 4437516 (1984-03-01), Cockrell
patent: 4524825 (1985-06-01), Fore

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