Alternative technology for deep sea pipelines

Evonik Industries and Swagelining Limited are developing a lining solution as part of a joint development. Instead of the corrosion resistant alloy pipes traditionally used for many offshore oil production flowlines, the two companies are now creating a combination of established liner technology from Swagelining and the custom-tailored VESTAMID® polyamide 12 from Evonik. When compared to corrosion resistant alloy pipes, carbon steel pipes provide more cost benefits and are more readily available, but they are much more susceptible to corrosion from aggressive products. By combining carbon steel pipes with liners constructed of VESTAMID® the companies intend to create a product that is protected against internal corrosion but also offers a significant weight and price advantage. Currently in the project phase of development, VESTAMID® is being integrated with Swagelining’s liner installation technology to provide a close fitting fully protected pipeline system.

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