Electro hydraulic downhole control device

Details Electro hydraulic downhole control device Electro hydraulic downhole control device

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 34/06 (2006.01) E21B 44/00 (2006.01)

Patent

CA 2197260

A downhole controller for a flow control device. The controller is responsive to commands from the surface or from downhole and controls the flow device using a four way solenoid actuated spool valve and a hydraulically actuated piston system connected to the flow control device.

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