F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/08 (2006.01) F16L 1/16 (2006.01) F16L 11/16 (2006.01)
Patent
CA 2243952
The use of a buried or covered flexible seabed pipeline for transporting fluids is disclosed. The pipeline comprises a sealing barrier (3) and reinforcing layers (4, 5) capable of .withstanding mechanical stress and arranged around said sealing barrier. The reinforcing layers consist of at least two crosswise-arranged reinforcing plies (4, 5) of wires helically wound at respective winding angles a~ to the longitudinal axis of the pipeline, such that they comply with the following relationships: when i = 1, 2 , . . . , 52° <= a~ <= 58° The arithmetic mean a m of said winding angles a i complies with the following relationship . 53° <=a m <= 57°
Utilisation pour le transport de fluides d'une conduite flexible protégée par ensouillage ou recouvrement dans le fond sous-marin, ladite conduite comportant une barrière d'étanchéité (3) et des armatures (4, 5) de résistance aux efforts mécaniques, disposées autour de ladite barrière d'étanchéité, lesdites armatures étant constituées par au moins deux nappes d'armure croisées (4, 5) de fils enroulés en hélice avec des angles d'enroulement respectifs ai par rapport à la direction longitudinale de la conduite, vérifiant les relations suivantes: pour i = 1,2..., 52 DEG </= ai </= 58 DEG et la valeur moyenne arithmétique am desdits angles d'enroulement ai vérifiant la relation: 53 DEG </= am </= 57 DEG .
Estrier Pascal
Kodaissi Elie
Coflexip
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Technip France
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