Directional control drilling system

Details Directional control drilling system Directional control drilling system

E - Fixed Constructions

21

B

E21B 4/18 (2006.01) E21B 7/04 (2006.01)

Patent

CA 2650645

A drilling system, comprising: a non-rotating conveyance system; a tool connected to the non-rotating conveyance system and including anchors by which the tool can be anchored in position when located in a borehole; a drill bit connected to the tool; a motor for rotating the drill bit; and a directional control system interposed between the tool and the drill bit; wherein, in use, whit the drilling system located in a borehole, the directional control system can be operates so as to displace the drill bit away from the axis of the borehole.

L'invention concerne un système de forage comprenant : un système de transport non rotatif ; un outil connecté au système de transport non rotatif et comprenant des moyens d'ancrage par lesquels l'outil peut être ancré en position lorsqu'il est situé dans un trou de forage ; un foret connecté à l'outil ; un moteur pour faire tourner le foret ; et un système à commande directionnelle interposé entre l'outil et le foret; lors de l'utilisation, le système de forage étant situé dans un trou de forage, le système à commande directionnelle peut être actionné de façon à déplacer le foret loin de l'axe du trou de forage.

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