Actuator apparatus and method for downhole completion tools

Details Actuator apparatus and method for downhole completion tools Actuator apparatus and method for downhole completion tools

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 23/04 (2006.01) E21B 23/06 (2006.01) E21B 34/06 (2006.01)

Patent

CA 2323154

An actuator apparatus (16) for actuating a downhole well tool (14) according to which a housing (22) extends in the well and a tool (14) to be actuated is disposed in the housing (22). A drive member (44) is connected to the tool for operating the tool, and an actuator system (36) is disposed in the housing and is normally connected to the drive member (44) for driving the drive member (44) and operating the tool (14). In the event the actuator system (36) fails, an additional actuator systemv (51) is disposed in the housing and is adapted to be connected to the drive member (44) for also driving the drive member and operating the tool (14).

L'invention concerne un appareil de commande (16) destiné à commander un outil (14) de fond de puits selon lequel un logement (22) s'étend dans le puits et un outil (14) à actionner est disposé dans le logement (22). Un élément d'entraînement (44) est relié à l'outil afin de l'exploiter et un système de commande (36) est disposé dans le logement et est relié normalement à l'élément d'entraînement (44) afin de commander ce dernier (44) et d'exploiter l'outil (14). Dans le cas où le système de commande (36) devient inopérant, un autre système de commande (51) est disposé dans le logement et est adapté pour être relié à l'élément d'entraînement (44) afin d'entraîner ledit élément d'entraînement et d'exploiter l'outil (64).

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