E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/124 (2006.01) E21B 15/02 (2006.01)
Patent
CA 2609027
A drilling rig placed on the seabed and arranged for drilling of oil and gas wells is remote controlled from a light drilling vessel (2) through pipes and signal cables (3). The main structure of the drilling rig is made up of two cylindrical structures (1 and 10), in connection with which there is provided a number of cylindrical silos (8) for storing drill pipe magazines (23). A complete drilling module (17) can be lowered and retrieved through hatchways (11) at the top of the first cylindrical structure 10. The drilling rig is anchored to a foundation frame (7) by hydraulic legs (9). A cylindrical skirt (34) encloses the BOP (33) to prevent pollution of the environment.
La présente invention concerne un forage installé sur le fond marin et agencé pour forer des puits de pétrole et de gaz, contrôlé à distance depuis un engin de forage flottant léger (2) via des tuyaux et des câbles de signalisation (3). La structure principale de l~appareil de forage est constituée de deux structures cylindriques (1 et 10), auxquelles sont raccordés un grand nombre de silos cylindriques (8) permettant d~entreposer des dépôts de tiges de forage (23). Un module de forage complet (17) peut être abaissé et récupéré via des trappes (11) au sommet de la première structure cylindrique (10). L~appareil de forage est ancré dans un châssis de base (7) par des jambes hydrauliques (9). Une jupe cylindrique (34) encercle le BOP (33) pour empêcher la pollution de l~environnement.
Gowling Lafleur Henderson Llp
Seabed Rig As
LandOfFree
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