Improved activation device

Details Improved activation device Improved activation device

E - Fixed Constructions

21

B

E21B 23/06 (2006.01) E21B 34/12 (2006.01)

Patent

CA 2692230

A device for activating a downhole tool is described. The device comprises a first elongate member defining a toothed surface portion, a second elongate member defining a toothed surface portion and at least one pinion arrangement. The/each pinion arrangement engages the toothed surface portions of the first and second members such that movement of one member in a first direction results in movement of the other member in a second direction, opposite the first direction. A device for activating a downhole tool is described. The device comprises a first elongate member defining a toothed surface portion, a second elon-gate member defining a toothed surface portion and at least one pinion arrangement The/each pinion arrangement engages the toothed surface portions of the first and second members such that movement of one member in a first direction results in movement of the other member in a second direction, opposite the first direction.

L'invention concerne un dispositif pour activer un outil de fond de puits. Le dispositif comprend un premier élément allongé définissant une partie de surface dentée, un second élément allongé définissant une partie de surface dentée et au moins un dispositif de pignon. Le/chaque dispositif de pignon met en prise les parties de surface dentées des premier et second éléments de telle sorte que le mouvement d'un élément dans une première direction conduise à un mouvement de l'autre élément dans une seconde direction, opposée à la première direction.

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