Patent ID: 8448320

Claim:
A method for clamping together two tubulars to inhibit relative rotation between the two tubulars, the two tubulars comprising a first tubular and a second tubular, each of the two tubulars comprising a threaded component of a top drive system, the two tubulars threadedly connected together, the method comprising: clamping the two tubulars with a clamp, the clamp comprising a clamp body having an interior surface, a plurality of clamp teeth projecting inwardly from the interior surface of the clamp body, the plurality of clamp teeth comprising a first clamp series of teeth and a second clamp series of teeth, a number of the first clamp series of teeth being different from a number of the second clamp series of teeth; and meshing the first clamp series of teeth and the second clamp series of teeth with at least one tubular tooth projecting from each of the two tubulars.