The heavy hitters are coming to the party. That is one of the developing stories in the seabed seismic business, where growing competition from rivals is likely to put pressure on Oslo-based market leader Magseis Fairfield and its chief executive, Carel Hooijkaas.

“With the outlook improving, and oil companies increasingly focusing on maximising output from existing reservoirs rather than exploration, logic dictates that more OBN [ocean-bottom node] surveys, especially 4D reservoir monitoring, can be expected.