The Oslo-listed rig contractor, which also has an engineering and fabrication division, earned full-year net profit of Nkr1.74 billion ($284 million), down from Nkr1.82 billion in 2012, as the fourth-quarter figure tumbled 11% year on year to Nkr260 million.

While its yearly revenue was up 2% at just over Nkr7 billion, total operating costs rose by about Nkr320 million to Nkr3.7