A drilling rig owner has increased its position in the harsh environment market after acquiring a 2019-built semi-submersible it was operating in Norway and refinancing its debts
Odfjell Drilling has acquired Deepsea Bollsta, a Moss CS60E design semi-submersible drilling rig, to expand its fleet working in harsh environments, such as in the Norwegian North Sea and Arctic.
The Oslo, Norway-listed owner acquired this rig from Northern Ocean for a cash settlement of US$480M, according to Northern Ocean, and intends to rename it Deepsea Bergen in 2026.
This 2019-built rig is operating in Norway under a US$335M drilling contract with Equinor for a firm period that runs until early 2028, with five one-year options to extend its operations to 2032.
At the same time, Odfjell has completed a comprehensive refinancing by securing long-term funding on improved terms to further strengthen its capital structure.
It secured US$550M in term loans and revolving credit facilities and issued a new US$650M bond on 8 December 2025.
Deepsea Bollsta is an enhanced, extended CS 60 E harsh environment clean design rig with closed bus operations and a selective catalytic reduction unit on its generators to reduce NOx emissions.
It is equipped with a full conventional mooring spread for operations in water depths of 70 m-500 m, has a 7,500-tonne deck capacity and a high-spec NOV derrick capable of offline drilling pipe stand and casing building activities.
“Completing the acquisition of what will become Deepsea Bergen is a major milestone for Odfjell Drilling that fortifies our position as the leading harsh-environment driller,” said Odfjell Drilling chief executive Kjetil Gjersdal.
“Adding rig capacity and contract backlog with Equinor and AkerBP aligns with our strategy of accretive growth and earnings visibility in our core market.”
The addition of Deepsea Bollsta, and recent contract awards for semi-submersible drilling rigs Deepsea Nordkapp and Deepsea Aberdeen, increases Odfjell’s firm order backlog to US$1Bn from the last reporting date.
Completing this transaction will allow Northern Ocean to refinance its balance sheet and improve capital efficiency, enabling the Norwegian company to return capital to its shareholders.
“This transaction marks a significant strategic milestone for Northern Ocean, unlocking substantial value from our high-quality assets,” said Northern Ocean, chief executive Arne Jacobsen.
“The sale enhances our financial flexibility, optimises our capital structure, and positions us strongly to begin returning capital to our shareholders, underscoring our commitment to delivering sustained shareholder value.”
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