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Horne Wren Nui

ODE provides Engineering Support for Horne and Wren Decommissioning Project

International engineering and operations support services contractor ODE, an integral part of the DORIS Group, has successfully completed a key workscope for Scaldis Salvage & Marine Contractors. This contract was to provide engineering support for the removal of the topsides and jacket from a Normally Unattended Installation (NUI) as part of the decommissioning project for the Horne & Wren gas fields in the Southern North Sea.

Operated by Tullow Oil, Horne & Wren is in 40m of water, 65km east of Norfolk. The NUI is tied back to the Thames host platform. The NUI is part of the wider Thames complex, comprising a skirt-piled three-leg jacket type substructure and a topside with two deck located production trees.

ODE’s engineering support for the removal of Horne & Wren included the basis of design, weight control report, topsides & Jacket structural/lift point verification and on-bottom stability analysis.

Work began in May 2016 with all engineering documentation provided by the end of July 2016.  ODE provided comprehensive engineering support in analysis and design, giving Scaldis and Tullow Oil details on proposed decommissioning methodology.

ODE engineering manager Keith Mackie said: “We were grateful for the opportunity to build on our relationship with Scaldis and Tullow. This project reinforces our position in the decommissioning market and demonstrates that contractors and clients value our experience, technical approach and capabilities.”

ODE has a history of successfully completing projects on Horne & Wren. Previous work includes conceptual and detailed designs, and design and operations safety cases.  

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