Weatherford/lamb, Inc.

Reinhard Grosch

Martin Liess

John D Hooker, Ii

Andreas Carlsson

Thomas Kotschy

A tubular gripping assembly for use with a top drive to handle a tubular includes a tubular gripping tool having a mandrel and gripping elements operatively coupled to the mandrel; and a link assembly attached to the mandrel, wherein a load of the link assembly is transferred to the mandrel. The tubular gripping assembly may also include one or more of a swivel having selectively actuatable seals, a thread compensator to facilitate tubular make-up, or a wedge lock release apparatus to facilitate the release of gripping elements from the tubular.

Tubular handling apparatus

In one embodiment, a tubular gripping assembly for use with a top drive to handle a tubular includes a tubular gripping tool having a mandrel and gripping elements operatively coupled to the mandrel; and a link assembly attached to the mandrel, wherein a load of the link assembly is transferred to the mandrel. In another embodiment, the tubular gripping assembly includes a swivel having selectively actuatable seals. In yet another embodiment, the tubular gripping assembly includes a thread compensator to facilitate tubular make-up. In yet another embodiment, the tubular gripping assembly includes a wedge lock release apparatus to facilitate the release of gripping elements from the tubular.

Growing community of inventors

Geisa Ot Otzbach, DE, United States of America

Reinhard Grosch