Sleeve-type low pressure responsive APR tester valve

Details Sleeve-type low pressure responsive APR tester valve Sleeve-type low pressure responsive APR tester valve

1984-11-02

1986-03-04

Leppink, James A.

Wells

Valves, closures or changeable restrictors

Fluid operated

166142, 166332, E21B 3410

Patent

active

045735352

ABSTRACT:
An annulus pressure responsive tester valve which includes a pressure-assisted isolation valve including a pressure differential metering cartridge utilizes a sleeve-type valve section having a ported sleeve mandrel and a ported outer valve sleeve member and also having a choke associated therewith for controlling the flow of fluids through the sleeve-type valve.

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