Tension set seal bore packer

Details Tension set seal bore packer Tension set seal bore packer

1986-02-19

1987-05-19

Leppink, James A.

Wells

Packers or plugs

With expanding anchor

166139, 166140, E21B 2306

Patent

active

046659773

ABSTRACT:
A seal bore packer comprising a packer subassembly which can be employed with either wireline or tubing manipulatable packer setting subassemblies is disclosed. Packing elements and slips on a packer subassembly are expanded when relative axial forces are applied to the packer by wireline or mechanical setting forces. The packer has an inner mandrel and intermediate mandrel connected by a shear pin. A collapsible ring holds the outer packer assembly, including slips and packing elements, normally secured to the intermediate mandrel. Relative movement between the intermediate mandrel and the inner mandrel releases the packer.

REFERENCES:
patent: 3283821 (1966-11-01), Brown
patent: 3385366 (1968-05-01), Elliston
patent: 4078606 (1978-03-01), Montgomery
patent: 4289200 (1981-09-01), Fisher, Jr.
patent: 4296806 (1981-10-01), Taylor et al.
patent: 4565247 (1986-01-01), Tapp et al.

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