Retrievable well bore packer

Details Retrievable well bore packer Retrievable well bore packer

1982-08-02

1985-07-23

Leppink, James A.

Wells

Packers or plugs

With expanding anchor

166217, 166134, F21B 2306

Patent

active

045303983

ABSTRACT:
A retrievable seal bore packer adapted to be lowered into a casing on a wireline and set by a wireline gun. The packer is retrieved by a retrieving tool lowered into the casing on a wireline by a downward force followed by an upward force on the wireline. The packer has a cylindrical mandrel, selectively engageable slips, a lower cylindrical element encircling the mandrel and bearing against the bottom of the slip and an upper cylindrical element encircling the mandrel and bearing against the top of the slip. The wireline gun is interconnected with the cylindrical mandrel and the upper cylindrical element to selectively cause relative movement therebetween and to thereby engage the slips with the casing.

REFERENCES:
patent: 2714931 (1955-08-01), Bouvier
patent: 3045758 (1962-07-01), Muse
patent: 3344861 (1967-10-01), Claycomb
patent: 3429375 (1969-02-01), Craig
patent: 3602305 (1971-08-01), Kisling
patent: 3631925 (1972-01-01), Nutter
patent: 3631926 (1972-01-01), Young
patent: 3667543 (1972-06-01), Dean
patent: 3678998 (1972-07-01), Cockvell
patent: 3783941 (1974-01-01), Kisling
patent: 4156460 (1979-05-01), Crowe

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