Patent ID: 7493918

Claim:
A continuous fluid conduit for use in the transportation of working fluids to a wellhead or the like from a topside location or the like, and which is suitable for use in a multi-conduit umbilical, which conduit comprises an inner flexible collapse resistant hose, said collapse resistant hose being surrounded by a hose liner, and at least one pair of helically contra-wound high tensile strand material, with each turn of said strand material being in substantially close contact with adjacent turns thereof: wherein there is provided a filler material covering adjacent turns and/or layers of said strand material so as to substantially eliminate any voids between adjacent strands of material, with different levels or types of said filler material being provided over the working length of said fluid conduit depending on operational requirements; and wherein different levels of internal pressure containment and collapse resistance, with respect to water depth, are also provided over said working length of fluid conduit.