Flexible tubular duct for the transport of fluid and particularly gaseous hydrocarbons with an anti-turbulence carcass and internal lining
AssigneeTechnip France
InventorFrancois Dupoiron
Life of this patent
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Abstract
A flexible tubular pipe for transporting hydrocarbons, the pipe comprising at least one carcass, an internal pressure sheath and one or more armor layers. The carcass forms the innermost structural element of the pipe and consists of an interlocked spiral winding of a strip or wire with some shape. The turns of the carcass are internally covered with an anti-turbulence sheath pierced with holes which is intended to oppose turbulence of the hydrocarbon flowing through the pipe and prevent associated resonance phenomena.
Claims13
A flexible tubular pipe for transporting fluids, the pipe being of the unbonded type and comprising from inside outward at least a carcass, a polymer internal sealing sheath operative to provide sealing for the transported fluid and one or more armor layers, the carcass being situated inside the internal sealing sheath, the carcass comprising an interlocked spiral winding of a profiled element, the winding comprising turns of the carcass, an anti-turbulence sheath internally covering the turns of the winding, the anti-turbulence sheath being pierced with holes that is intended to oppose turbulence of fluid flowing in the pipe.
Dependencies are inferred from the claim text.