Rotary steerable drilling system

Details Rotary steerable drilling system Rotary steerable drilling system

E - Fixed Constructions

21

B

E21B 7/06 (2006.01) E21B 17/10 (2006.01)

Patent

CA 2689578

A rotary steerable drilling system comprises a rotatable housing having a plurality of steering actuators mounted thereon and movable, individually, between retracted and extended positions, the actuators being electrically controlled, and a battery arranged to supply electrical power to the actuators. The actuators may be bistable actuators.

L'invention concerne un système de forage orientable rotatif qui comprend un boîtier rotatif sur lequel sont montés une pluralité d'actionneurs directionnels qui peuvent être déplacés de manière individuelle entre des positions rétractées et étendues, les actionneurs étant contrôlés électriquement et une batterie étant agencée pour fournir de l'énergie électrique aux actionneurs. Les actionneurs peuvent être des actionneurs bistables.

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