Device for performing a downhole operation

Details Device for performing a downhole operation Device for performing a downhole operation

E - Fixed Constructions

21

B

E21B 23/04 (2006.01) E21B 23/00 (2006.01) E21B 27/02 (2006.01) E21B 33/134 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2463610

A downhole actuator (8) movable from a first configuration to a second configuration by the action of a selected increase of fluid pressure acting on the exterior of the actuator (8), and a tool arranged to be moved by the actuator so as to perform a downhole operation upon movement of the actuator from the first configuration to the second configuration thereof. The actuator (8) may comprise an atmospheric gas reservoir (24, 88) and the tool may comprise an expander (37) for tubulars or a fluid injector (90, 81a).

L'invention concerne un dispositif permettant de réaliser des travaux au fond d'un puits de forage dans une formation tellurique. Ce dispositif comprend, d'une part, un actionneur amovible d'une première position à une seconde position par l'action d'une augmentation sélectionnée de la pression d'un fluide agissant sur la partie extérieure de l'actionneur, et, d'autre part, un outil disposé pour être déplacé par l'actionneur de manière à réaliser des travaux au fond d'un puits, suite au mouvement de l'actionneur de la première position à la seconde position.

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