| 摘要 |
<p>In one embodiment, a tubular handling assembly for use with a top drive includes a mandrel (110) coupled to the top drive; a gripping assembly (100) for gripping and releasing a tubular, the gripping assembly coupled to and rotating with the mandrel; and an actuation assembly (136) for actuating the gripping assembly, wherein the gripping assembly is rotatable relative to the actuation assembly.</p> |
