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Jan de Nul completes first umbilical installation offshore Egypt

Jan de Nul completes first umbilical installation offshore Egypt

Marine engineering firm Jan De Nul Group announced on 8 January the completion of its first major umbilical installation project.

Jan De Nul Group installed and buried two main subsea umbilicals for exploitation of new gas fields in the West Nile Delta concessions, located in the North Alexandria region offshore Egypt.

The company reconfigured its multipurpose vessel Willem de Vlamingh into a specialised umbilical installation vessel for the project.

Installation and burial of the umbilicals were carried out in parallel, with Willem de Vlamingh installing the umbilical on the seabed and fellow Jan de Nul vessel Isaac Newton, a multipurpose vessel, following closely behind to bury the umbilical via jet trenching.

Two umbilicals with a total length of 69 km were transported to Egypt from Norway for the projects. The campaign started with a 3-km beach pull, which involved Willem de Vlamingh operating in depths of only 7 m. It finished in early August 2018 with installation of the umbilical termination assembly in water depths of 600 m.

Built in 2011, Willem de Vlamingh measures 117 m in length by 23 m in width and has a dwt of 6,500. Isaac Newton was built in 2015, measures 138 m, 32 m in breadth and has a dwt of 12,500.

Jan De Nul Group’s manager of cables and umbilicals Wouter Vermeersch said “We are very proud to have executed this umbilical installation campaign.

“It again proves our versatile approach and expertise in various operational fields, both onshore, nearshore and offshore.

“Our staff and crew members on site performed a very precise work in challenging conditions.”

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