Riser for connection between a vessel and a point at the seabed

Details Riser for connection between a vessel and a point at the seabed Riser for connection between a vessel and a point at the seabed

E - Fixed Constructions

21

B

E21B 17/01 (2006.01) E21B 43/01 (2006.01)

Patent

CA 2463867

A riser for connection between a vessel and a fixed connection point on the seabed, in the form of an "L", where the bottom riser arm is connected to the fixed point (2) on the seabed and the top riser arm (3) is connected to the vessel at the point (4). An elastic element (5) is connected to the bend (6) between the riser's arms and an anchoring point (7) on the seabed.

L'invention concerne un tube prolongateur permettant de relier un navire et un point de liaison fixe situé sur le plancher océanique, et se présentant sous la forme d'un <= L >=. Le bras inférieurde ce tube prolongateur est relié audit point fixe (2) situé sur le plancher océanique, et le bras supérieur (3) dudit tube prolongateur est relié au navire au niveau du point (4). Un élément élastique (5) est relié au coude (6) entre les bras du tube prolongateur et le point d'ancrage (7) situé sur le plancher océanique.

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