Wellbore flow control device

Details Wellbore flow control device Wellbore flow control device

E - Fixed Constructions

21

B

E21B 21/10 (2006.01) E21B 17/02 (2006.01) E21B 34/08 (2006.01) E21B 34/10 (2006.01) E21B 43/12 (2006.01) E21B 43/14 (2006.01)

Patent

CA 2573379

A device for regulating fluid flow in a well is provided. The device may include: a body member having a central bore extending therethrough, at least one flow port, and a first valve seat; a sleeve member movably disposed within the central bore of the body member, and having a second valve seat adapted for cooperable sealing engagement with the first valve seat; means for selectively controlling movement of the sleeve member to regulate fluid flow through the at least one flow port; and conduit means for transmitting energy to the movement means. The conduit means may include a first and a second hydraulic control line, a single hydraulic control line, or a single electrical conductor. The movement means may include: a piston connected to the sleeve member and movable in response to a combination of hydraulic fluid, pressurized gas, spring force, and/or annulus pressure; or an electric motor connected to the sleeve member.

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