E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/10 (2006.01) E21B 7/12 (2006.01) E21B 21/00 (2006.01) E21B 21/01 (2006.01) E21B 21/06 (2006.01) E21B 41/00 (2006.01)
Patent
CA 2382356
A method and a system are described for processing of drilling fluid from a drilling hole (10) in an underwater well to a floating drilling rig or drilling vessel, comprising a sealing device (12) connected to a well head, a pump module (14) to transport drilling fluid, a treatment plant for treatment of drilling fluid, or a storage installation. Before a blow-out valve is connected to the well head and before a riser is connected between the drilling hole and the floating drilling rig or drilling vessel, the pump module (14) placed on the ocean bed transports drilling fluid from the drilling hole (10) on the ocean bed to the floating drilling rig or drilling vessel.
Cette invention concerne une technique et un système qui permettent de traiter un fluide de forage après l'avoir ramené du trou de forage (10) d'un puits sous-marin à une plate-forme de forage flottante ou à un navire de forage, et qui font intervenir: un dispositif d'étanchéité (12) relié à la tête de puits, un module de pompe (14) assurant le transfert du fluide, et une installation de traitement du fluide de forage ou une installation de stockage. Avant monter une soupape anti-éruption sur la tête de puits et de raccorder une colonne montante entre le trou de forage et la plate-forme de forage flottante ou le navire de forage, le module de pompe (14) disposé sur le fond marin achemine le fluide de forage du trou de forage sur le fond marin à la plate-forme de forage flottante ou au vaisseau de forage.
Agr Services As
Borden Ladner Gervais Llp
LandOfFree
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