Plug for operating a downhole device using tubing pressure

Details Plug for operating a downhole device using tubing pressure Plug for operating a downhole device using tubing pressure

1998-11-24

1999-09-28

Neuder, William

Wells

Valves, closures or changeable restrictors

Destructible element

166321, 1663342, E21B 3410

Patent

active

059572060

ABSTRACT:
A plug for actuating a movable member of a device in a wellbore includes a housing adapted to be lowered into the wellbore and a seal member mounted on the housing. The seal member is arranged to engage the movable member such that a pressure applied to the first end of the housing moves the housing and the movable member. A chamber is provided in the housing, and a pressure responsive member at an inlet end of the chamber permits fluid communication with the chamber when the pressure applied to the first end of the housing reaches a predetermined pressure.

REFERENCES:
patent: 2999545 (1961-09-01), Bigelow
patent: 3912008 (1975-10-01), Crowe
patent: 4586569 (1986-05-01), Hyde
patent: 5012867 (1991-05-01), Kilgore
patent: 5655607 (1997-08-01), Mellemstrand et al.

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