Subsea News

Louis Dreyfus Armateurs (LD Armateurs) has taken delivery of the DP2 multipurpose support vessel TVO Mariner for its LD TravOcean subsidiary, expanding its capacity for subsea cable installation, repair and protection work.The vessel, delivered to the group in mid-September, will support telecommunications cable installation and repairs, trenching and deepwater ROV operations, as well as offshore wind projects.“The TVO Mariner gives us full ownership on project execution for submarine cable installation and repairs, trenching services and deep water ROV operations.

Van Oord has named its two next-generation flexible fallpipe vessels Vindnes and Vestnes, with the 35,000-tonne-capacity ships scheduled for delivery in 2028 and 2029.The purpose-built vessels, currently under construction at Yantai CIMC Raffles Offshore in China, will expand Van Oord's subsea rock installation capacity for offshore wind, interconnector and other energy infrastructure projects.Unlike converted vessels, Vindnes and Vestnes have been designed specifically for subsea rock installation…

Fugro has secured a marine asset integrity contract in Australia covering the replacement of critical subsea infrastructure and survey and inspection work, with offshore operations expected to start towards the end of 2027.The contract, awarded by an undisclosed client, combines subsea intervention with survey and inspection services using Fugro's remote operations capabilities.Fugro will provide engineering, project management and offshore execution for the campaign, aimed at…

Subsea Cable Assets (SCA) has secured its first contract, a roughly $20 million award from Saipem Contracting Netherlands for cable transportation and handling work supporting a major offshore energy project in the Caspian region.The scope covers engineering, equipment fabrication, installation and operation, demobilization and reinstatement, with SCA managing the campaign from equipment supply through to deployment.SCA will provide five cable transport carousels, each with a capacity of 1…

CSL OWL has launched the first of two purpose-built subsea rock installation vessels designed for offshore wind construction and maintenance projects.The vessel, named Rock Star, is the first in CSL OWL's two-ship newbuilding program and is designed to carry up to 17,500 tonnes of rock and install material at rates of up to 2,000 tonnes per hour in water depths of up to 100 metres.Measuring 166.8 meters long and 40 meters wide, the vessel has a deadweight of about 21,000 tonnes…

DeepOcean and the controlling entity of TFKable Group plan to establish a joint venture offering integrated inter-array cable services for offshore wind projects, including a new purpose-built cable laying vessel (CLV).The venture will combine TFKable Group's subsea cable manufacturing capabilities, including those of Tele-Fonika Kable and JDR Cable Systems, with DeepOcean's offshore engineering, installation and seabed intervention expertise.The planned offering will cover engineering…

Jan De Nul has ordered a second trenching support vessel designed to bury subsea energy cables as it expands its fleet for cable installation and protection.The new vessel will be an exact sister ship to the Isambard K. Brunel, which Jan De Nul ordered in March, and will carry a subsea trencher capable of burying cables as deep as five metres into the seabed.The latest order takes the number of new vessels Jan De Nul has under construction for subsea cable installation and protection to five…

INEOS Energy has started commercial operations at the Greensand project in the Danish North Sea, opening what it describes as the European Union's first full-scale carbon dioxide storage site, with initial capacity of up to 400,000 tonnes per year.Denmark's King Frederik X officially opened the facility on September 18 at the Port of Esbjerg. The project is led by INEOS Energy alongside Harbour Energy and the Danish North Sea Fund, or Nordsøfonden.Greensand is designed to scale up to between 4 million and 8 million tonnes of CO2 storage annually as demand grows.In the first commercial phase…

Saudi Arabia has shut down its East-West pipeline, after the vital oil conduit came under aerial attack in the widening Middle East war, threatening to send energy prices even higher.The world’s largest crude oil exporter said it temporarily closed the pipeline as a precaution after a drone attack that both Baghdad and Riyadh said had originated in Iraq, where Iranian-backed militias operate. Iraq dismissed a military commander on Saturday in response to the attack.The 1,200-km…

TDI-Brooks recently completed a third-party geotechnical project offshore Alaska, supporting a short cable route survey for Woolpert utilizing their Gravity CPT Stinger (gCPT) system. The project consisted of a geophysical and geotechnical survey for a marine cable route in the Valdez Arm.Designed for rapid deployment in remote and challenging environments, the gCPT tool enables efficient in-situ soil characterization without the need for conventional drilling.

Dubai-based offshore vessel operator Astro Offshore has signed a strategic memorandum of understanding with Oceaneering International to jointly pursue and deliver offshore and subsea projects.The agreement combines Astro Offshore's offshore vessel capabilities with Oceaneering's remotely operated vehicle (ROV), survey and integrated project delivery expertise.Astro Offshore said the partnership will allow the companies to provide integrated solutions across a wider range of offshore operations.The agreement coincides with Astro Offshore's acquisition of Astro Aurora…

Early design decisions and robust qualification of subsea connectors can materially shape the long-term integrity of subsea pipelines warns Lloyd’s Register (LR), as part of a new study delivered for the Norwegian Ocean Industry Authority (Havtil).The report, commissioned by Havtil, provides an updated industry experience base for assessing the performance of welded and mechanical connectors used in subsea systems and pipeline infrastructure.Pipelines and subsea facilities are critical components of offshore energy production…

Moby Robotics is a new entrant to the subsea swarm autonomous robotic space, created in 2025 and aiming to take a leadership role in the discovery and recovery of subsea minerals market.The race to secure critical minerals from the deep ocean has accelerated dramatically over the past two years, driven by geopolitical concerns, energy transition goals and growing demand for rare earth elements. While much of the industry's attention has centered on regulatory debates and large mining contractors…

SLB and Equinor have signed a multi-year agreement for advanced reservoir stimulation services across the Norwegian Continental Shelf, including a major upgrade of the well stimulation vessel MV Island Captain.The agreement provides dedicated stimulation capacity to support the development of tight offshore reservoirs and help maximize recovery from future wells.As part of the contract, MV Island Captain will be converted into a fully proppant-capable stimulation vessel.Planned upgrades include expanded proppant storage…

Saipem and Subsea7 have cleared a key U.S. regulatory hurdle for their planned merger after the waiting period under the Hart-Scott-Rodino (HSR) Antitrust Improvements Act of 1976 expired, allowing the transaction to close in the United States once all remaining conditions are met.The companies said all applicable waiting periods under the U.S. antitrust law have expired, while noting that the proposed merger remains subject to certain regulatory approvals outside the United States.The merger was agreed under a binding agreement signed in July 2025…

SMD has delivered the first of two heavy-duty power cable ploughs to Prysmian for deployment on the company's new-generation cable laying vessels (CLVs).The second system is scheduled for delivery later this year. The ploughs will be mobilized on Prysmian Alessandro Volta and Prysmian Mona Lisa CLVs.The systems are designed to bury conventional multi-core power cables, bundled two-pole power cables and quad bundles at depths of up to five metres below the mean seabed level.SMD…

James Fisher and Sons and Aquaterra Energy have formed a strategic global partnership to provide integrated offshore decommissioning services, combining front-end engineering, well access, subsea operations and offshore execution under a single delivery model.The collaboration is designed to streamline well abandonment and offshore infrastructure removal projects by reducing contractor interfaces and improving coordination from project planning through execution.Under the partnership…

Saitec Offshore Technologies, through DemoSATH Lab, is using its operating floating wind demonstrator as a real-scale testing ground to study environmental interactions, improve monitoring methods, and explore solutions that support coexistence with marine biodiversity.Following the successful deployment of biomimetic reef solutions on the submerged section of the platform, the company is now testing new methods to co-locate floating wind and aquaculture.The recent offshore operation marks a new step in DemoSATH Lab's biodiversity program and forms part of the AQUASATH Project…

OMS Group has started construction of CS Resilience, the third vessel in its next-generation GREAT-Class fleet, with a first steel cutting ceremony held at CRIST's shipyard in Gdynia, Poland.The milestone marks the start of construction of the cable-laying vessel, which is scheduled to enter service in 2028 and forms part of OMS Group's long-term fleet expansion program.CS Resilience is one of two next-generation cable-laying vessels being built under OMS Group's partnership with Ulstein, announced in January 2026.

Italian shipbuilder Fincantieri has agreed to acquire majority stakes in four companies for an initial expenditure of about $687 million (€600 million), expanding its capabilities in marine drones, subsea services and underwater communications across commercial and defense markets.The agreements cover acquisitions of majority stakes in Next Geosolutions, WSense, Graal Tech, and Defcomm, which will be integrated into Fincantieri’s Underwater technological hub.Next Geosolutions…

Dutch marine services firm Boskalis has christened the Windpiper, which it describes as the world’s largest subsea rock installation (SRI) vessel, following an 18-month conversion project.The 227-meter-long and 40-meter-wide vessel was officially christened on July 3 by Ms. Jones-Bos, a member of the Boskalis Supervisory Board, Boskalis said.The Windpiper has a rock cargo capacity of 45,500 tons across two holds and will double Boskalis’ rock installation capacity.The large cargo…

Australia's competition regulator said on Friday the proposed merger of energy contractors Subsea7 and Saipem would face a second-phase review over concerns it could reduce competition in key offshore oil and gas services.Here are a few details:The Australian Competition and Consumer Commission (ACCC) said the deal could lessen competition in the supply of certain subsea infrastructure used to connect underwater wells and production systems to surface facilities.The regulator described the services as critical to Australia's offshore oil and gas sector.The decision came a little over a week af

German federal prosecutors said on Thursday that a Ukrainian national tied to the Nord Stream pipeline blasts has been charged with being an accomplice to a war crime, disruption of public services, causing an explosion and destroying structures.Serhii K, as the suspect is known under German privacy rules, is suspected of acting on behalf of Ukrainian government entities, along with other military personnel, to destroy the pipelines in 2022.The aim was to permanently halt gas deliveries…