Pump-out plug system for a well conduit

Details Pump-out plug system for a well conduit Pump-out plug system for a well conduit

1987-03-12

1988-01-12

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

166192, 166317, 166332, E21B 3312

Patent

active

047184884

ABSTRACT:
A landing nipple having a landing sub is adapted to be connected to a production well conduit. When temporarily abandoning the well, a pump-out plug is seated in the landing sub and includes a bi-directional valve which allows flow through the plug when running and after seating seals in both directions. When desired, the pump-out plug and landing sub may be expelled by pressure to provide a full bore production of the well.

REFERENCES:
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patent: 3180420 (1965-04-01), Manson, Jr. et al.
patent: 3946807 (1976-03-01), Amancharla et al.
patent: 3954138 (1976-05-01), Miffre
patent: 4007783 (1977-02-01), Amancharla et al.
patent: 4109716 (1978-08-01), Canalizo
patent: 4188999 (1980-02-01), Amancharla et al.
patent: 4405017 (1983-09-01), Allen et al.
patent: 4448427 (1984-05-01), Mashaw, Jr.
patent: 4576236 (1986-03-01), Stout et al.

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