Strong results in the US Gulf of Mexico (GoM) have pushed up second-quarter numbers for US-listed shipowner GulfMark Offshore but the North Sea and Asian markets played their part in pushing sums down, prompting a change of the owner’s full-year earnings forecast.

For the North Sea, GulfMark chief executive Quintin Kneen says clients like Statoil have turned “very serious” about spending.

GulfMark