Apparatus for transferring fluid between subsea floor and the surface
AssigneeCoflexip
InventorsRene Maloberti, Patrick Narzul
Life of this patent
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Abstract
A lower portion of a subsea oil delivery hose is held taut between bouyant devices installed on the hose and a stationary point on the subsea floor. A portion of the lower part of the hose, connected to the stationary point, has a curved portion that is concave in the direction of a wellhead to which the hose is connected.
Claims10
In a system for transferring fluid between a structure on the subsea floor and a support on the sea surface, particularly for the gathering and lifting of oil produced from a subsea deposit, including at least one hose extending in a catenary between the surface support and an intermediate element imparting to the hose, over a portion of its length, a curved configuration of concavity turned toward the floor, the improvement wherein
- a part of the hose between said intermediate element and the subsea structure is maintained in tension by being fastened to a stationary point on the sea floor, the system comprising
- an anchor at said stationary point, and connected thereto means for holding in tension a portion of the hose located between the intermediate element and the holding means, and to impart to the hose in the vicinity of the anchor, in a vertical plane, a curvature whose concavity is directed toward the subsea structure.
Dependencies are inferred from the claim text.