Fluid handling – Diverse fluid containing pressure systems – Gas lift valves for wells
Patent
1989-12-27
1993-01-05
Rivell, John
Fluid handling
Diverse fluid containing pressure systems
Gas lift valves for wells
1374875, 25112904, 25112919, 2511292, F04F 108, F16K 3104
Patent
active
051761645
ABSTRACT:
A flow control valve system for production of wells such as by gas lift including a downhole valve electrically or pressure pulse controlled from the surface including a valve having apparatus for controlling the flow rate through the valve by varying the valve orifice size over a continuous range and maintaining the orifice size constant when desired. Both rotary and poppet type valves are disclosed. Valve orifice size and well conditions are monitored downhole and transmitted to the surface for control of the valve.
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Otis Engineering Corporation
Rivell John
LandOfFree
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