E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/16 (2006.01) E21B 19/18 (2006.01)
Patent
CA 2548704
A method and apparatus for moving pipe (22) on a rig floor (11) between a number of different stations including an off-floor rack (26) and (27), a preparation opening (21), a borehole, and a storage area. Tubulars (22) can be loaded onto the drill floor (11), prepared at a preparation opening (21), loaded onto or off of the storage rack (26) and (27), and connected to a drill string (19) while drilling is simultaneously conducted at the borehole. The apparatus further includes at least two pipehandling devices (24) and (29) for communicating pipe (22) between a storage area (26) and (27) off the drill floor (11), a storage area on the drill floor (11), at least one preparation opening (21), and a drill opening (18).
L'invention porte sur un procédé et un appareil permettant de transporter des tubes (22) au-dessus du plancher (11) de manoeuvre d'un engin de forage entre différents emplacements tels qu'un bâti hors plancher (26) et (27), une ouverture de préparation (21), un trou de forage et une aire de stockage. Les tubes (22) peuvent ainsi: être chargés sur le plancher (11) de forage; être chargés sur ou déchargés du bâti de stockage; et être raccordés à un train de tiges (19) pendant le forage. L'appareil comprend en outre deux dispositifs de manipulation des tubes (24) et (29) permettant de les faire passer (22) de l'aire de stockage (26) et (27) extérieure au plancher de manoeuvre (11) à l'aire de stockage intérieure au plancher de manoeuvre, à au moins une ouverture (21) de préparation (11), et à une ouverture de forage.
Fetherstonhaugh & Co.
Varco I/p Inc.
LandOfFree
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