Electric safety valve actuator

Details Electric safety valve actuator Electric safety valve actuator

E - Fixed Constructions

21

B

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

Patent

CA 2244942

An electric safety valve actuator for a surface controlled subsurface safety valve. The actuator includes a motor drive and driver (36) selectively coupled with a drive yoke (32) connected to an otherwise conventional flow tube (12) of a downhole safety valve (24). Various solenoid actuated yoke engagement apparati are disclosed.

L'invention porte sur une commande électrique de vanne de sécurité destinée à une vanne de sécurité souterraine commandée depuis la surface. Ladite commande comporte un moteur et une transmission (36) sélectivement reliée à une armature d'entraînement (32) solidaire du tube adducteur (12), autrement de conception classique, de la vanne (24) de sécurité de fond. L'invention porte également sur différents appareils commandés par solénoïde en prise avec l'armature.

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