Steering tool

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 7/08 (2006.01) E21B 7/04 (2006.01) E21B 7/06 (2006.01)

Patent

CA 2647032

A steering tool for use in drilling a borehole, including a tubular housing, a tool actuating device movably supported within the housing, a plurality of hydraulically actuated steering devices circumferentially spaced about the housing, and a hydraulic control system interposed between the tool actuating device and the steering devices for converting an actuating movement of the tool actuating device to independent actuation of the steering devices.

Outil d'orientation destiné à être utilisé lors du forage d'un trou de sonde, comprenant une enveloppe tubulaire, un dispositif d'actionnement d'outil supporté de façon mobile à l'intérieur de l'enveloppe, une pluralité de dispositifs d'orientation actionnés hydrauliquement et répartis circonférentiellement autour de l'enveloppe, et un système de commande hydraulique interposé entre le dispositif d'actionnement d'outil et les dispositifs d'orientation afin de convertir un mouvement d'actionnement du dispositif d'actionnement d'outil en actionnement indépendant des dispositifs d'orientation.

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