Drill pipe handling mechanism

Details Drill pipe handling mechanism Drill pipe handling mechanism

B - Operations, Transporting

25

B

B25B 23/00 (2006.01) E21B 19/16 (2006.01)

Patent

CA 2224374

A breakout wrench for making and breaking joints between successive drill pipe in a drill string on a drilling rig includes a swing arm pivotable between a storage and a pipe gripping position. The swing arm carries a first and second pipe gripping jaw, the first jaw movable relative to the swing arm, and the second jaw movable relative to the first jaw. Both jaws are freely movable, to a slight degree, in all directions in the plane of their movement, to permit self-adjustment of position to the wrench relative to a drill pipe centerline. A double-rod hydraulic cylinder actuates both jaws.

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