In a filing with the Oslo bourse the shipbuilder identified Femco Group as the company that inked the NOK 1bn ($148m) order in late November.

When the contract was first announced Havyard indicated that the 843-design vessels are due for delivery in 2016 but didn’t shed light on the buyer.

Today, industry observers say they aren’t surprised by the revelation since Femco placed a similar order at the shipbuilder’s Leirvik yard late last year.

Femco,