Here is the Skandi Buchan, an MT6000 built in Norway in 2002, and at the time of the photograph in 2007 on hire to Total. If we seek it out on the internet we can see that it is still on hire to Total, and may remain so into the 2020s. It has a 900 m2 deck area and 8000 bhp available. 

Photograph taken in 2007 and posted here on 3rd November 2016 by Victor Gibson