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Just a year after signing a contract, Marketex Offshore Constructions has delivered five of the nine subsea templates built for the Aker BP operated Yggdrasil project – the largest ongoing oil and gas developments in the North Sea.

“Each structure weighs 420 tons, these templates are an important element of this major development, and the first to be installed subsea, and the timely delivery has been crucial. Hence, it was paramount for the company to finish the job to the highest quality standards and within the specified timeframe. Some of the templates have already been delivered to the mobilization yard in Norway, from where they will be shipped for offshore installation,” commented the project progress Nadežda Vassiljeva, a member of the Marketex Offshore Constructions Management Board.      

A subsea template is a large steel structure used to support drilling and later as a foundation for other critical subsea equipment for oil and gas production. Therefore, the structures are fabricated following the most stringent production requirements in the new Marketex Offshore Constructions’ production facilities in Tallinn, which were built in 2020 and are fully equipped specifically for such projects. There will be nine templates in total; they are the largest subsea structures built by Marketex Offshore Constructions to date. The contract is scheduled to be completed in the summer of 2025.

The Yggdrasil templates are delivered by a subsea alliance between Aker BP, OneSubsea and Subsea 7 and Aker Solutions. Marketex Offshore Construction’s contractual part is Aker Solutions. 

Yggdrasil is a major oil and gas development in the Norwegian part of the North Sea, with more than 650 million barrels of oil equivalent resources. Through Yggdrasil, Aker BP is setting a new standard in the way to operate an oil and gas field, with remotely controlled operations, unmanned production platforms, new technology and data-driven decisions and work processes. The Yggdrasil will utilize shore power, resulting in very low CO₂ and NOx emissions levels from the area.