its clients, Norway’s Fred Olsen Energy, over a US$177 million contract at its Keppel Verolme yard in The Netherlands. In 2006, a subsidiary of Fred Olsen awarded the contract to Keppel Velrome to refurbish and upgrade its 30-year-old semisubmersible rig, also known as Blackford Dolphin.   Last week, the Norwegian company said it had taken…