Motor drive actuator for downhole flow control devices

Details Motor drive actuator for downhole flow control devices Motor drive actuator for downhole flow control devices

E - Fixed Constructions

21

B

E21B 44/00 (2006.01) E21B 17/00 (2006.01) E21B 23/00 (2006.01) E21B 34/06 (2006.01) E21B 47/01 (2006.01)

Patent

CA 2218259

Several motor (28) driven embodiments are discussed which provide linear motion to a downhole flow control device (46). The embodiments employ ball screw (110, 112, 114) assemblies or lead screw (24) assemblies. A device for rotational actuation of a downhole flow control device (60) is also disclosed.

L'invention concerne plusieurs modes de réalisation d'un moteur (28) imprimant un déplacement linéaire à un dispositif (46) de régulation d'écoulement de fond de puits. Ces modes de réalisation mettent en application des ensembles vis à billes (110, 112, 114) ou des ensembles vis de commande (24). Elle concerne également un mécanisme (60) servant à faire tourner un dispositif de régulation d'écoulement de fond de puits.

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