Wellbore valve having linear magnetically geared valve actuator

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 31/06 (2006.01) E21B 34/14 (2006.01) F16K 1/20 (2006.01) F16K 31/10 (2006.01) E21B 34/06 (2006.01) F16K 31/00 (2006.01)

Patent

CA 2654526

A wellbore valve includes a valve operator (14) arranged to move axially along an interior of the wellbore, the valve operator arranged to operate a valve (26). A valve actuator (28) is disposed proximate the valve operator. The valve actuator i arranged to move from one longitudinal position to another. A linear magnetic gear (20) is coupled at an input element thereof to the valve actuator. The gear is coupled at an output element (16) thereof to the valve operator such that motion of the valve actuator is transferred to the valve operator.

L'invention concerne une vanne de puits de forage comprenant un opérateur de vanne disposé de façon à se déplacer axialement le long de l'intérieur du puits de forage, l'opérateur de vanne étant disposé de manière à actionner une vanne. Un actionneur de vanne est disposé à proximité de l'opérateur de vanne. L'actionneur de vanne est disposé de façon à se déplacer d'une position longitudinale à une autre. Un engrenage magnétique linéaire est couplé, au niveau d'un élément d'entrée de celui-ci, à l'actionneur de vanne. L'engrenage est couplé, au niveau d'un élément de sortie de celui-ci, à l'opérateur de vanne de telle sorte que le mouvement de l'actionneur de vanne est transféré à l'opérateur de vanne.

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