Heavy Offshore Construction
Setting the standard for offshore construction vessels
Heavy Offshore Construction Vessels are the backbone of offshore projects. These versatile vessels are pivotal in pipeline laying, subsea installations, and heavy lifting operations. When it comes to designing and developing these cutting-edge vessels, Ulstein can be perfect partner. With decades of experience, we excel in crafting tailor-made solutions that maximize efficiency, safety, and environmental sustainability.
As pioneers in offshore vessel design, we remain committed to delivering innovative and reliable vessels that meet the evolving demands of the energy industry.
System integration
Cutting-edge solutions that optimise vessel performance and enhance operational efficiency.
News & featured articles
Turning visions into realities motivates us to keep pushing for progress in the maritime industry.
You can learn more about how we work with our customers to achieve their visions through our stories.
Olympic's second CSOV with a flawless sea trial
09 October 2024: The second Construction Service Operation Vessel (CSOV) for Olympic, Olympic Notos, has successfully completed its sea trial. This marks a significant milestone in the vessel’s journey towards full operational status, following in the footsteps of its sister vessel, the Olympic Boreas.
CSOV steel cutting ceremony for Ulstein Verft’s Yno 323
On 1 October 2024, the steel cutting ceremony for Ulstein Verft’s yard number 323 was held at the Crist hull yard. The Commissioning Service Operation Vessel (CSOV) is based on the award-winning TWIN X-STERN platform and has been designed by Ulstein Design & Solutions AS.
Olympic Boreas Wins “Maritime Innovation of the Year” Award
The newly delivered Construction Service Operation Vessel (CSOV) Olympic Boreas has been awarded the “Maritime Innovation of the Year” award by GCE Blue Maritime Cluster. Delivered in July, this state-of-the-art vessel was developed in collaboration with the shipowner Olympic and several of the companies in Ulstein Group.
Milestone celebration for advancing cable installation
Nexans' next state-of-the-art cable installation, the 'Nexans Electra' is another step closer to realisation. The grand block ceremony was celebrated on 10 September 2024 at CRIST, Poland. The vessel will be finalised at Ulstein Verft, Norway.
The synergy effect in ship services from Ulstein
"Do you need to adjust your vessel for a new charter? Maybe add a mezzanine deck, calculate the deck strength or stability characteristics for a new crane? We are here to assist you," states project manager aftermarket, Roy Lindset, at Ulstein Design & Solutions AS.
Flawless launch of the second Olympic CSOV
On Wednesday, 21 August 2024, one month after the delivery of the Olympic Boreas, Ulstein Verft launched the second Construction Service Operation Vessel (CSOV) for Olympic; the Olympic Notos. Both vessels are built on the innovative TWIN X-STERN solution, a concept described as a '4-wheel-drive' for the seas.
Delivery of first two purpose-designed SOVs for Chinese Offshore Wind industry
On Friday, 16 August 2024, Shanghai Electric celebrated the combined naming and delivery of two Service Operation Vessels (SOVs) at ZPMC, Qidong base, China. The vessels are based on two different ship designs from Ulstein Design & Solutions AS and are the first purpose-designed vessels for the offshore wind industry in China.
A new milestone achieved for yard number 322 – Keel laying ceremony completed
The keel laying ceremony at Crist hull yard 06 August 2024 symbolizes that yard number 322 is one step closer to realization. The CSOV vessel, based on a TWIN X-STERN platform designed by Ulstein Design & Solutions AS, will be capable of performing a vast range of operations, including Operation & Maintenance and construction support.
Olympic Boreas CSOV – delivered and ready for offshore energy operations
The state-of-the-art 'Olympic Boreas' CSOV has been delivered to Olympic by Ulstein Verft on 25.07.2024. The vessel is the first of two sister vessels, based on the ULSTEIN SX222 design by Ulstein Design & Solutions AS.
Events & conferences
We will be attending many events and conferences, which can be an excellent opportunity to meet. See if we are participating in any upcoming events you are going to.