Island Offshore and Dof were among the owners fixing platform supply ships on longer-term deals this week.

Wintershall booked the 4,750-dwt Island Crusader (built 2012) and Dof's Skandi Gamma (built 2011) for work off Norway.

The Island ship will support jobs on six wells, with two wells as options.

Skandi Gamma has been signed up for three months of supply duties, with options for another 11 months.

Meanwhile,