Well packing tool

Details Well packing tool Well packing tool

1990-04-30

1991-09-10

Melius, Terry L.

Wells

Packers or plugs

With expanding anchor

166134, 166179, E21B 33129

Patent

active

050465570

ABSTRACT:
A retrievable well packing tool suitable for high pressure environments which is hydraulically set within a well bore and thereafter mechanically released. The packer includes a pressure compensator which enhances the setting force, maintains a continual setting force during well operations, and equalizes differential pressures during release. Dual slips are provided to ensure rigid anchoring of the packer to the casing wall. The short, compact design of the packing tool facilitates running through the casing while reducing manufacturing costs. Inadvertent presetting of the packer is presented by positively locking all components.

REFERENCES:
patent: 3233675 (1966-02-01), Tamplen et al.
patent: 3374837 (1968-03-01), Page et al.
patent: 3570596 (1971-03-01), Young
patent: 3933376 (1976-01-01), Cugini
patent: 4071084 (1978-01-01), Brown et al.
patent: 4530398 (1985-07-01), Greenlee et al.
patent: 4765404 (1988-08-01), Bailey et al.

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