E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/00 (2006.01) E21B 33/076 (2006.01)
Patent
CA 2704629
The present invention regards a riser system comprising at least one riser extending from a subsea wellhead to a surface vessel, tension means for keeping the at least one riser tensioned, which tension means are connected to the vessel, a upper workover riser package (UWRP) located at the upper section of the riser and arranged to seal off the riser passage. According to the invention the UWRP is located below the connection point of the tension means to the vessel, giving the UWRP a position stationary relative a seabed, and that the UWRP comprises an interface adapted for the connection of different kinds of workover equipment. The invention also regards a method for inserting tools into a riser.
L'invention concerne un système de colonne montante comprenant au moins une colonne montante s'étendant d'une tête de puits sous-marine à un navire de surface, des moyens de tension reliés au navire destinés à maintenir tendue au moins une colonne montante, un ensemble supérieur de colonne montante de reconditionnement (UWRP) situé au niveau de la section supérieure de la colonne montante et conçu pour colmater hermétiquement le passage de ladite colonne montante. Selon l'invention, l'UWRP est situé sous le point de raccordement des moyens de tension vers le navire, conférant à l'UWRP une position fixe par rapport au fond de la mer. L'UWRP comprend une interface destinée au raccordement de différents types d'équipement de reconditionnement. L'invention concerne enfin un procédé permettant d'introduire des outils dans la colonne montante.
Muff Anthony D.
Pettersen Arnt Ove
Fmc Kongsberg Subsea As
Robic
LandOfFree
Riser system comprising pressure control means does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Riser system comprising pressure control means, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Riser system comprising pressure control means will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-2079027