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.
Keel laying ceremony for Ulstein Verft's Yard number 323
On 19 December 2024, the CRIST shipyard, Poland, carried out the keel laying ceremony for an ULSTEIN SX222 designed vessel, which will be Ulstein Verft's yard number 323, built for institutional investors.
Ulstein Verft: Commences outfitting for first BS Offshore TWIN X-STERN CSOV vessel
The hull of the first TWIN X-STERN Commissioning Service Operation Vessel (CSOV) for BS Offshore arrived Ulstein Verft on 18 December 2024. This milestone marks the start-up of the outfitting for Yard Number 320 at Ulstein Verft.
Launch of the Douglas Mawson
28 November 2024: The 'Douglas Mawson' expedition cruise vessel, an ULSTEIN CX103 design, has been successfully launched at the CMHI shipyard, China.
The Douglas Mawson, featuring the ULSTEIN X-BOW, offers high passenger comfort with her immersive bow lounge and panoramic observation areas. She meets Solas 2020 stability requirements and is tailored to client specifications, accommodating up to 300 people.
Introducing ULSTEIN® POWER VSG: Setting new standards in marine power efficiency
The ULSTEIN® POWER Variable Speed Generator (VSG) has been designed to optimise power generation on marine vessels by dynamically adjusting its speed to match load requirements. Together with technical measures and overall ship design, the operational results on the CSOV Olympic Boreas show a record-low 2.7-tonne fuel consumption per 24 hours during a week of DP operations.
Big fuel savings on first CSOV newbuilds with Ulstein’s TWIN X-STERN® concept
Taking bold commercial risks on novel vessel concepts with a strong focus on sustainability has made Olympic a pioneering player in the offshore energy sector. Its latest investment in a pair of new-build Construction Service Operation Vessels (CSOVs) based on Ulstein Group’s innovative TWIN X-STERN® solution has paid off, with close to 50% reductions in fuel consumption and emissions to boost environmental performance.
Ulstein delivers CSOV vessel Olympic Notos to Olympic
13 November 2024: Ulstein is proud to announce the successful delivery of the Construction Service Operation Vessel (CSOV) Olympic Notos to Olympic. This state-of-the-art vessel marks a significant milestone in maritime innovation and excellence. “As a result of the findings from her sister ship, Olympic Boreas, the shipping company states that the vessels "operate with close to a 50% reduction in fuel consumption compared to other sailing CSOVs."
Celebrating the Olympic Zeus: A Pioneer in AHTS Hybrid Propulsion
The Olympic Zeus, launched in 2009, introduced a hybrid power system, reducing fuel consumption by up to 70%. After reaching its 15th anniversary in 2024, it continues to set new fuel efficiency and environmental performance standards.
New spring in the OO&G market
The Offshore Oil & Gas (OO&G) sector is experiencing a resurgence, driven by stable oil prices and a focus on efficiency and sustainability. This recovery has led to robust cash flows and new investments, especially in upstream activities, presenting an opportunity to integrate environmentally friendly practices.
Olympic's second CSOV with a flawless sea trial
9 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 fully operational status, following in the footsteps of her sister vessel, the Olympic Boreas.
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.