Rotating control device docking station

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 33/08 (2006.01)

Patent

CA 2682663

A system and method is provided for converting adrilling rig between conventional hydrostatic pressure drilling and managed pressure drilling or underbalanced drilling using a docking station housing mounted on a marine riser or bell nipple. This docking station housing may be positioned above the surface of the water. When a removable rotating controldevice is remotely hydraulically latched with the docking station housing, the system and method allows for interactive lubrication and cooling of the rotating control device, as needed, along with a supplyoffluid for use with active seals.

L'invention concerne un système et un procédé pour convertir un appareil de forage entre un forage à pression hydrostatique classique et un forage à pression gérée ou un forage en sous-pression, à l'aide d'un boîtier de station de connexion monté sur un tube goulotte ou un tube fontaine. Ce boîtier de station de connexion peut être positionné au-dessus de la surface de l'eau. Lorsqu'un dispositif de commande rotatif amovible est verrouillé, de façon hydraulique et à distance, avec le boîtier de station de connexion, le système et le procédé permettent une lubrification interactive et un couplage interactif du dispositif de commande rotatif, si nécessaire, conjointement avec une alimentation de fluide pour une utilisation avec des joints actifs.

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