McDermott awarded EPCC contract for Tyra redevelopment

12/22/2017

HOUSTON -- McDermott International, Inc., today announced a substantial contract award from Mærsk Olie og Gas A/S (Maersk Oil) for engineering, procurement, construction and commissioning (EPCC) services for the Tyra Redevelopment project, located offshore in the Danish sector of the North Sea.

McDermott will provide engineering, procurement and construction for two separate work packages for Maersk Oil under the redevelopment project. With a combined weight of all structures provided by McDermott at nearly 32,000 tons (29,000 metric tons), the scope of work represents one of the largest combined projects for McDermott in the North Sea.

McDermott plans to perform project management, engineering and supply chain management from its office in Kuala Lumpur, Malaysia and will fabricate and assemble the structures at its fabrication yard at Batam Island, Indonesia.

Work on the contract is expected to begin early next year and the lump sum contract will be reflected in McDermott’s fourth-quarter 2017 backlog. McDermott is scheduled to complete its work packages for sail-away by Feb. 1, 2020 and Feb. 1, 2021.

Project details


One McDermott work package consists of Tyra East G platform’s gas processing topside of approximately 18,188 tons (16,500 metric tons) and includes two 328 foot (100 meter) connecting bridges, of 468 and 771 tons (425 and 700 metric tons) respectively, and a 449-ft (137-m-long) flare.

The other McDermott work package consists of two wellhead topsides for Tyra East B and Tyra East C at 1,763 and 1,366 tons (1,600 and 1,240 metric tons) respectively; a 2,480 ton (2,250 metric ton) riser topside at Tyra East E; two wellhead topsides for Tyra West B and Tyra West C at 1,421 and 1,488 tons (1,290 and 1,350 metric tons) respectively; and a riser topside at 335 tons (304 metric ton) at Tyra West E. Also included are four connecting bridges ranging from 60 to 1,102 tons (55 to 1,000 metric tons). McDermott will also fabricate six module support frames (MSF) totaling 1,289 tons (1,170 metric tons) to raise the existing platforms 42 ft (13 m) to account for seabed subsidence. The existing four wellheads and two riser topsides along with the old bridges will be removed by others while retaining the original jackets to accept the new topsides with their MSFs.   

Located approximately 139 mi (225 km) west of Esbjerg, Denmark in the North Sea, Tyra gas field is located in blocks 5504/11 and 12 and is the center of Denmark’s national energy infrastructure, processing 90% of the nation’s gas production. First production was from the field in 1984.

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