Rigs and VesselsBillionaire's takeover offer for offshore driller seen as too lowNorwegian company Northern Ocean owns two high-spec semi-submersible rigsJohn Fredriksen (in sunglasses) at the recent Nor-Shipping eventPhoto: GABRI/EL AAS SKAAELEVIK/DNRussell SearanckeNorway CorrespondentOslo
