E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/16 (2006.01) E21B 21/10 (2006.01)
Patent
CA 2356471
An apparatus for facilitating the connection of tubulars using a top drive, the apparatus comprising a supporting member (13) for connection with said top drive, a tool (30) for gripping a tubular and means for allowing substantially horizontal movement therebetween, wherein said means comprises a flexible membrane (18) enclosing a fluid.
L'invention concerne un appareil facilitant le raccordement de pièces tubulaires au moyen d'une transmission supérieure, l'appareil comprenant un élément de support (13) permettant le raccordement à la transmission supérieure, un outil (30) de saisie d'une pièce tubulaire et un dispositif permettant d'effectuer un mouvement sensiblement horizontal, le dispositif comprenant une membrane flexible (18) contenant un fluide.
Marks & Clerk
Weatherford/lamb Inc.
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