Seabed-to-surface engineering solutions provider Subsea 7 has acquired UK-based Swagelining, which designs and installs polymer lining systems for strategic pipeline and riser systems.

The latest move will enable Subsea 7 to further expand its existing polymer pipeline technology interests.

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Subsea 7 and Swagelining have so far designed and installed more than 150km of reeled and bundled polyethylene (PE) lined water injection flowlines in the North Sea, for various operators and developments.

“The acquisition of Swagelining will enable Subsea 7 to enhance its flowline and riser technology portfolios."

Subsea 7 technology vice-president Thomas Sunde said: “Building upon a long-term strategic objective to provide more cost-effective solutions, Subsea 7 and Swagelining have a shared vision of the potential that polymer lining could have in future subsea engineering and construction projects, with a focus on extending the application of polymer-lined flowlines.

“The acquisition of Swagelining will enable Subsea 7 to enhance its flowline and riser technology portfolios, and supports Subsea 7’s commitment to develop and apply technologies that reduce cost, enhance production and extend field life.”

Swagelining also plans to extend polymer lining technology to provide internal corrosion protection in carbon steel pipes.

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Subsea 7 provides technical solutions to enable the delivery of complex projects in all water depths and environments that are challenging.