Hydraulically set well packer

Details Hydraulically set well packer Hydraulically set well packer

1983-08-15

1984-12-11

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

F21B 2304

Patent

active

044872585

ABSTRACT:
A hydraulically set well packer. The setting sleeve is releasably locked to the packer mandrel to prevent premature setting while the packer is being lowered to its desired downhole location. The setting sleeve is unlocked by increasing fluid pressure within the packer mandrel above a preselected value. The length of the setting sleeve can be easily adjusted to accommodate additional piston units, changes in mandrel length, and various packing elements.

REFERENCES:
patent: 3008523 (1961-11-01), Clark, Jr. et al.
patent: 3112796 (1963-12-01), Myers
patent: 3136364 (1964-06-01), Myers
patent: 3189095 (1965-06-01), De Rochemont
patent: 3221818 (1965-12-01), Taylor et al.
patent: 3283824 (1966-11-01), Hoffman et al.
patent: 3398796 (1968-08-01), Fisher, Jr. et al.
patent: 3645335 (1972-02-01), Current

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