Special Report: Composites provide repair to hot, high-pressure gas line

Composite materials have been used on Amerada Hess Ltd.'s floating production platform AH001 (Fig. 1) to repair a high pressure, high temperature carbon-steel gas compression line. The platform is on the Ivanhoe field in the UK North Sea. Amerada Hess' AH001 works on the UK Continental Shelf producing oil from Ivanhoe, Rob Roy, and Hamish fields on 15/21A (Fig. 1).Click here to enlarge imageThe line had suffered severe localized wall thinning from external corrosion. A welded repair was not an option because the plant was live; complex geometries made a clamp impractical, according to composite supplier FD Alliance (FDA), a joint venture of DML Ltd. and Furmanite International Lt...

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