Case Study Details
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. Â ODE provided comprehensive engineering support in analysis and design, giving Scaldis and Tullow Oil details on proposed decommissioning methodology.
Contact Information
- ODE has extensive practical expertise in the decommissioning of oil & gas production,
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