Seal nipple packer

Details Seal nipple packer Seal nipple packer

1977-04-15

1978-08-15

Leppink, James A.

Wells

Packers or plugs

With expanding anchor

166182, 166208, E21B 2300

Patent

active

041065654

ABSTRACT:
A tubular member is provided with seals thereon for sealing in a liner receptacle supported in a well string in a well bore. Expandable seal means are provided on the tubular member with actuating means for expanding the expandable members into engagement with the well string above the receptacle, and releasable retaining means engage the actuating means with the tubular member to retain the actuating means in a non activated position until the releasable retaining means are actuated. Additional means secure the actuating means on the tubular member to inhibit premature release of the releasable retaining means as the seal nipple packer is lowered through the well string to be positioned in the receptacle. Slip segments are releasably connected to an expander cone, with both being mounted on the tubular member in longitudinal spaced relation to the actuating means at the other end of the expandable seal means.

REFERENCES:
patent: 1804818 (1931-05-01), Spang
patent: 2753941 (1956-07-01), Hebard et al.
patent: 2791278 (1957-05-01), Clark, Jr.

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