Subsea News

Cadeler has completed the installation of the first fully commissioned monopile foundation at Ørsted’s Hornsea 3 offshore wind farm in the UK, marking a major milestone in the execution of one of the world’s largest offshore wind developments.The installation is the first of 197 monopile foundations Cadeler will transport and install as part of the company’s full transportation and installation (T&I) scope for the project.Once completed, Hornsea 3 will become the single largest offshore wind farm in the world…

EnergyPathways has signed a collaboration agreement with Associated British Ports (ABP) to evaluate the Port of Barrow in northwest England as a location for onshore facilities linked to its Marram Energy Storage Hub (MESH) project.The AIM-listed company said the MESH project, located in the Irish Sea, is expected to combine compressed air energy storage with natural gas and hydrogen storage using subsea salt caverns.According to EnergyPathways, the project has the potential to support up to 60 subsurface salt caverns and is targeted to begin operations in 2031…

Dutch non-destructive testing specialist Ned Marine has launched drone and remotely operated vehicle (ROV)-based inspection services aimed at vessels, offshore installations and industrial assets.The company said the new services combine aerial drones and subsea ROVs with existing non-destructive testing (NDT) capabilities, including visual inspections and ultrasonic thickness measurements.Ned Marine said drone-based inspections would allow surveys of confined spaces, offshore and onshore wind turbines…

The Metals Company (TMC) has signed a commercial agreement with offshore contractor Allseas for the development and operation of what the companies said would be the first commercial deep-sea nodule recovery system.The agreement covers the development, commissioning and operation of a nodule collection system in preparation for offshore recovery operations in the Clarion Clipperton Zone of the Pacific Ocean.The commercial production system is designed for a nameplate production…

Italian offshore services provider Next Geosolutions (NextGeo) has been awarded a contract worth about $11.7 million (€10 million) for geophysical survey and unexploded ordnance (UXO) activities linked to a subsea energy infrastructure project in the Central Mediterranean.The contract was awarded by an international client operating in the subsea power cable sector, the company said.The project will involve offshore and nearshore operations using multiple vessels to conduct geophysical…

Fugro has been awarded a major geotechnical survey contract by SSE for the Berwick Bank B offshore wind development in the North Sea off Scotland.Berwick Bank B forms part of the wider 4.1 GW Berwick Bank offshore wind project, which is being developed in three phases and could become the world’s largest offshore wind farm if completed at full scale.The Dutch geodata specialist said the contract covers a full geotechnical investigation campaign to support foundation design for fixed-bottom turbines planned at the Berwick Bank B site…

Solstad Offshore has signed a letter of intent with an international subsea contractor for the charter of construction support vessel (CSV) Normand Maximus.The contract is expected to begin in the first quarter of 2027 and run through the first quarter of 2029, with an option to extend it to the first quarter of 2030.Under the agreement, Normand Maximus will support worldwide operations for the client, Solstad said.The company added that it will provide two work-class remotely operated vehicles…

DOF Group has secured four 12-year charter and services contracts in Brazil following a competitive tender process, supporting Petrobras’ deepwater subsea inspection, maintenance and repair operations.The contracts will lead to the construction of four new remotely operated vehicle support vessels (RSVs), with operations expected to begin from 2030, DOF said.The vessels are expected to be built by Brazil’s Navship yard, with delivery of the first two planned within four years of contract signing.The newbuilds will be DP2-class vessels designed for deepwater operations…

Norwegian subsea services firm Reach Subsea has received a letter of intent for a multi-year contract covering inspection, maintenance and repair (IMR) and light construction services in the Mediterranean and Black Sea.Aside from the letter of intent, covering a 2+1-year IMR and light construction services, Reach Subsea has also entered into a separate letter of intent with Solstad Maritime for the charter of the vessel Normand Jarstein in connection with the award.A commitment has been signed to commence the vessel’s transit this week…

Norwegian offshore vessel owner and subsea services provider DOF Group said it has secured a contract for subsea commissioning support services in the Asia-Pacific region, with offshore operations planned in North Australian waters.The company said its vessel Skandi Inventor will be deployed for the campaign, which is scheduled to begin in the second quarter of 2027 and is expected to last between 120 and 180 days.The scope of work includes project management, engineering, procurement…

Dutch grid operator TenneT is preparing to begin horizontal directional drilling at Maasvlakte as part of efforts to connect three offshore wind farms to the onshore grid.Steel casing pipes have been installed at three beach work sites, allowing drilling beneath the beach and seabed to begin, weather permitting.The drilling will be carried out in three stages, starting with a pilot bore from the beach towards the sea, followed by widening of the borehole and the installation of…

Mooring and anchoring specialist Mooreast Holdings has granted an option to sell its leasehold property in Singapore for $23.3 million, aiming to boost offshore wind activities at new location.The company said it expects net proceeds of about $15 million after settling outstanding loans and transaction costs related to the 51 Shipyard Road property, with funds to be redeployed toward its newly acquired facility at 60 Shipyard Crescent in Singapore.The property sale remains subject to conditions including approval from Jurong Town Corporation and Mooreast shareholders…

Petrodec, a specialist in integrated solutions for decommissioning and part of the Dixstone group, has started its second decommissioning project for Perenco UK with its OBANA jack-up platform, moving to the Pickerill field in the UK Southern North Sea.The platform has mobilized from its yard in Vlissingen-Oost in the Netherlands and is now on location to remove the jackets from Pickerill A and Pickerill B.Following this work, OBANA is scheduled to return to the Amethyst field to remove the jacket of Amethyst A1D…

DNV has been appointed independent certifier for the Northern Endurance Partnership (NEP) CO2 transport and storage project in the UK.The project underpins the UK’s East Coast Cluster and will transport CO2 from industrial emitters in Teesside for storage beneath the southern North Sea.DNV will verify that construction and operations comply with the CO2 transport and storage license granted by the UK government.The scope of work includes the full transport chain, from CO2 receipt…

Njord Survey has secured a three-year framework agreement with Equinor for pipeline inspection and integrity work across European waters.The contract includes an option to extend for one additional year and covers geophysical surveys and offshore operations.Njord Survey said the agreement builds on previous collaborations and will support offshore operations through high-resolution surveys and vessel operations with low CO2e emissions.The company said offshore campaigns under…

Helix Energy Solutions and Hornbeck Offshore Services have agreed to combine in an all-stock transaction to create an integrated offshore services company.Under the agreement, Hornbeck shareholders will own about 55% of the combined company, while Helix shareholders will hold around 45%.The combined company will operate under the Hornbeck Offshore Services name and trade on the New York Stock Exchange under the ticker ‘HOS’.The companies said the combination will bring together fleets of specialty vessels and capabilities including subsea robotics and well intervention services…

LD TravOcean, a subsidiary of Louis Dreyfus Armateurs (LDA) Group, has acquired a DP2 multipurpose support vessel as part of efforts to expand its subsea capabilities.The vessel, SIDDIS Mariner, will be renamed TVO Mariner and is scheduled for delivery in summer 2026.The company said the acquisition is aimed at enabling the delivery of integrated subsea solutions combining vessel operations, equipment and expertise.The vessel will support activities including telecom cable work…

Toyo Engineering Corporation has signed a memorandum of understanding with OneSubsea to explore collaboration in subsea carbon capture and storage (CCS) projects.The agreement aims to combine the companies’ capabilities to develop integrated system solutions for subsea CCS, focusing initially on projects in Japan and Southeast Asia.The companies said the collaboration will explore opportunities in areas including system design optimization and marketing strategies for offshore CO2 transport…

Antarctica is the only continent without a fiber-optic connection.The technology required to get one there is available, but the creation of such infrastructure raises geopolitical questions, including its potential military use, say researchers from Germany.The US National Science Foundation has plans to build a subsea data cable link from New Zealand or Australia to its McMurdo research base in Antarctica. There’s been no update on the project under the current administration…

Russian Foreign Minister Sergei Lavrov said the U.S. has been seeking control over the Nord Stream gas pipelines in the Baltic Sea, which were damaged by mysterious blast in September 2022.Explosions that destroyed the pipelines more than three years ago largely severed Russian gas transit to Europe, squeezing energy supplies on the continent although Russia had already largely stopped deliveries.Russia and Western countries have both said the incident was an act of sabotage.

Mark Offshore has agreed with Klaipėda University to operate the research vessel Mintis, expanding its fleet and strengthening its position in offshore renewables and subsea support services.Under the agreement, the Lithuanian university has appointed Mark Offshore as commercial and operational manager for the vessel’s activities within the renewables and energy sectors.The addition of Mintis is aimed at supporting offshore wind, marine survey and nearshore energy projects, as…

Major industry announcements and new product launches continued to drive significant visitor numbers and plentiful business activity as Oceanology International 2026 (Oi26) surpassed expectations on the second day at Excel London.Among the companies taking center stage, expanding platform OceanSight used Oi to unveil its new collection of ocean technology brands built to advance marine sensing and subsea intelligence, celebrating an exciting new chapter focused on accelerating innovation and strategic growth.OceanSight…

Responding to the surge in global subsea cable investment driven by cloud computing and artificial intelligence, ABS has published its Technical Standard for Subsea Power Cables.Subsea power cable design, installation and operation pose unique challenges due to harsh marine environments, significant water depths and extended cable lengths. The new ABS standard provides a comprehensive set of requirements and specifications to help the offshore industry mitigate risk, maintain…