Wells – Valves – closures or changeable restrictors – Destructible element
Patent
1998-06-08
1999-09-07
Schoeppel, Roger
Wells
Valves, closures or changeable restrictors
Destructible element
166319, 166324, 166374, 166311, E21B 3410
Patent
active
059472049
ABSTRACT:
A device and method for selectively controlling the flow of production fluid through a tubing string in an oil and gas well according to which a housing is connected to a tubing string for insertion into the well, and well fluid is passed from the ground surface into the housing. The housing is provided with a plug to establish well fluid pressure in the housing to actuate a packer and/or other ancillary devices. The plug can be removed from the hosing by increasing the pressure of the well fluid in the housing above a predetermined value, thus permitting the flow of production fluid from the formation zone, through the housing and the tubing string, and to the ground surface.
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Dresser Industries Inc.
Schoeppel Roger
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