Well pipe connecting and disconnecting apparatus

Details Well pipe connecting and disconnecting apparatus Well pipe connecting and disconnecting apparatus

E - Fixed Constructions

21

B

255/14.7

E21B 19/16 (2006.01) E21B 19/20 (2006.01)

Patent

CA 1164443

WELL PIPE CONNECTING AND DISCONNECTING APPARATUS Abstract of the Disclosure A power driven tool for making and breaking threaded connections in a well pipe is movable between a central position of alignment with the well axis, a second position offset from the well axis and above a mousehole, and a third retracted or inactive position offset at a side of the well axis opposite that at which the mousehole is located. The tool preferably includes a carriage which rolls along the rig floor between its different positions, desirably on spaced tracks located at opposite sides of the main axis of the well and the mousehole, with the pipe contacting mechanism being mounted for upward and downward movement relative to the carriage and for pivotal movement to an inclined position for alignment with an inclined mousehole, and preferably including an upper well pipe spinner and a lower torque wrench assembly.

377883

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