Remotely operated raise drill torque tool

Details Remotely operated raise drill torque tool Remotely operated raise drill torque tool

E - Fixed Constructions

21

B

E21B 19/16 (2006.01) B25B 21/00 (2006.01) E21B 19/18 (2006.01)

Patent

CA 2253068

An apparatus for making and breaking a threaded connection between a drill head and a stabilizer mounted on an end of a drill string includes a wrench capable of operatively engaging a portion of the drill head so as to substantially prevent rotation of the drill head with respect to the wrench. A gripper assembly is operatively mounted on the wrench. The gripper assembly is capable of operatively receiving a portion of the stabilizer, and releasably locking the stabilizer against rotation relative to the gripper assembly. Finally, at least one drive unit is operatively coupled between the gripper assembly and the wrench for driving rotational movement of the gripper assembly with respect to the wrench.

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