<p>Oslo-listed semisub player Odfjell Drilling has bought the harsh environment semi-submersible drilling rig Deepsea Bollsta from John Fredriksen-controlled Northern Ocean, a semisub spin-off of Northern Drilling, for a total consideration of $480m. The 2019-built rig, which is of the Moss Maritime CS60 design, has been managed by Odfjell Drilling since the first quarter of 2022 &#8230;</p> </p><p><p>https://splash247.com/odfjell-drilling-scoops-up-northern-ocean-semisub-for-480m/</p></p>