The deals cover a mix of 13 platform supply (PSV) and anchorhandling tug vessels (AHTS) and range from between one month and two years induration.
Oslo-listed Farstad said the charters include work in SouthAfrica, Brazil, Australia and Russia.
Farstad Shipping operates a fleet of 60 offshore supportvessels comprising 32 AHTS, 28 PSV and three subsea vessels.
It has a pair of PSVs and two subsea units underconstruction.