E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/16 (2006.01)
Patent
CA 2668319
Apparatus and methods for rotating or spinning a tubular. In some embodiments, the apparatus, referred to herein as a pipe spinner, includes a body, an arm pivotally coupled to the body, and an actuator coupled to the arm. The arm has a cam roller coupled thereto. The actuator is operable to pivot the arm relative to the body between an open position and a closed position. In the closed position, the cam roller engages the tubular. In the open position, the cam roller is disengaged from the tubular.
Deeth Williams Wall Llp
National Oilwell Varco L.p.
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