E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/16 (2006.01) B25B 13/50 (2006.01) E21B 15/00 (2006.01) E21B 19/00 (2006.01)
Patent
CA 2644836
Abstract A tool (16) for connecting and disconnecting tubulars near a drill floor (2), comprising a power tong (18) and a backup tong (20), wherein the tool (16) is located at the same level as or below the drill floor (2).
L'invention concerne un outil (16) pour accoupler et désaccoupler des tubes près d'un plancher de forage (2), comportant une clé de vissage automatique (18) et une clé de dévissage (20), l'outil (16) étant situé au même niveau que le plancher de forage (2) ou sous celui-ci.
National Oilwell Norway As
Ridout & Maybee Llp
LandOfFree
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