Girded tube high-pressure conduit section

Details Girded tube high-pressure conduit section Girded tube high-pressure conduit section

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 9/22 (2006.01) F16L 9/02 (2006.01) F16L 13/02 (2006.01)

Patent

CA 2396220

High-pressure pipe element made of a hooped tube for making lines referred to as kill lines and choke lines that equip oil production installations, notably offshore. The high-pressure pipe element is an assembly consisting of two connections (3) and (4) respectively welded to the two ends of a metallic tube (1). The metallic assembly is hooped. Hooping (2) covering tube (1) comprises a sufficient number of hooping layers to withstand a determined internal pressure. Transition zones (5) and (7) in the vicinity of the welds comprise additional hooping layers.

Elément de conduite haute pression en tube fretté pour réaliser les conduites kill line et choke line équipant les installations pétrolières, notamment offshore. L'élément de conduite haute pression est un ensemble constitué de deux raccords (3) et (4) respectivement soudés aux deux extrémités d'un tube métallique (1). L'ensemble métallique est fretté. Le frettage (2) recouvrant le tube (1) comporte un nombre de couches de frettage suffisant pour résister à une pression interne déterminée. Des zones de transitions dans le voisinage des soudures (5) et (7) comportent des couches de frettages supplémentaires.

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