Electro-hydraulic well tool actuator

Details Electro-hydraulic well tool actuator Electro-hydraulic well tool actuator

1998-06-05

2000-01-11

Tsay, Frank

Wells

With electrical means

Electrical motor

166147, 166385, E21B 2303

Patent

active

060125187

ABSTRACT:
An electro-hydraulic well tool actuator is provided to control fluid-actuated well tools. The actuator may include a cylindrical housing at least one hydraulic fluid flowpath within the housing, a communication link sealably connected to the housing on one end and a control panel located at the earth's surface on the other, at least one solenoid valve mounted in the housing for directing the flow of hydraulic fluid, and at least one discharge port in the housing for delivering pressurized hydraulic fluid to a hydraulically actuated downhole device. Alternate embodiments include an onboard hydraulic system, and different methods of interfacing with downhole fluid actuated devices.

REFERENCES:
patent: 5240077 (1993-08-01), Whitsitt
patent: 5353877 (1994-10-01), DeCorps et al.
patent: 5392856 (1995-02-01), Broussard, Jr. et al.
patent: 5398753 (1995-03-01), Obrejanu et al.
patent: 5577560 (1996-11-01), Coronado et al.
patent: 5810088 (1998-09-01), Lamirand et al.
patent: 5947198 (1999-09-01), McKee et al.

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