Subsea module

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 33/038 (2006.01) B63B 21/50 (2006.01) E21B 43/01 (2006.01) E21B 43/013 (2006.01) E21B 43/017 (2006.01)

Patent

CA 2261803

Subsea unit for offshore production of oil or gas, comprising one or more wellheads with associated christmas trees (7-9, 17-19, 22, 27-29) provided on or at a bottom frame (template) (5, 15, 25). On or at the template (5, 15, 25) there is mounted a swivel device (10, 20, 30) having fluid connection (10C) to the christmas tree or trees and being provided with connection members (44A, 43A) for risers (44) and an umbilical or control cable (53) from a production vessel (3) at the sea surface (2).

Cette invention concerne une unité sous-marine qui est destinée à la production de gaz ou de pétrole en haute mer. Cette unité comprend une ou plusieurs têtes de puits auxquelles sont associés des arbres de Noël (7-9, 17-19, 22, 27-29) qui sont disposés sur un cadre de fond (plaque de base provisoire) (5, 15, 25) ou au niveau de celui-ci. Un dispositif de tête d'injection (10, 20, 30) est monté sur la plaque de fond provisoire (5, 15, 25) ou au niveau de celle-ci, et se trouve en communication fluide avec le ou les arbres de Noël. Le dispositif de tête d'injection comprend des éléments de connexion (44A, 43A) destinés à des colonnes montantes (44) ainsi qu'à un câble ombilical ou de commande (43) qui proviennent d'un navire de production (3) se trouvant en surface (2).

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