E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/02 (2006.01)
Patent
CA 2716395
A method for facilitating construction of a drilling rig, the method comprising the steps of moving a drawworks (10) on movement apparatus (T,R ) along ground (G) adjacent a drill floor (28 ) of a drilling rig structure (20), the drilling rig structure (20) having a substructure (26 ) and raising apparatus (29a) on said substructure (26) for raising said drill floor (28), raising said drill floor (28) with said drawworks (10) using said raising apparatus (39) of said substructure (26).
L'invention concerne un procédé permettant de faciliter la construction d'une plate-forme de forage, le procédé comprenant les étapes consistant à : déplacer un treuil de forage (10) sur un appareil de mouvement (T, R), le long du sol (G) adjacent à un plancher de forage (28) d'une structure de plate-forme de forage (20), la structure de plate-forme de forage (20) comportant une structure secondaire (26) et un appareil de levage (29a) sur ladite structure secondaire (26) pour soulever ledit plancher de forage (28), soulever ledit plancher de forage (28) avec ledit treuil de forage (10) à l'aide dudit appareil de levage (39) de ladite structure secondaire (26).
Donnally Robert Benjamin
Liu Xilin
Mccurdy Stuart Arthur Lyall
Ren Chunqiao
Sheng Hui Chun
Mcfadden Fincham
National Oilwell Varco L.p.
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