 Songa Offshore bought the Songa Dee from Stena Offshore in June 2006.After that Songa Trym (2006) and Songa Delta (2008) was bought from Odfjell Drilling.Songa Offshore SE will after the delivery of the four new Category D Rigs delivered in 2015 From the DSME yard in Korea, be the largest semi submersible drilling contractor on the Norwegian Continental Shelf (NCS) with seven drilling units in operation, all to Statoil.