Subsea News

Kongsberg Maritime has signed a major contract with Sea1 Offshore to deliver Launch and Recovery Systems (LARS) for the company’s four new offshore construction vessels. Each vessel will be equipped with two advanced LARS units, supporting subsea construction and ROV operations.The scope of supply per vessel includes two telescopic A-frames, fully electrical umbilical winches, energy efficient hydraulic power units, and a dedicated control system. Each system offers a safe working load of 15 tonnes (vehicle dry weight) and winch cable capacity of 4…

Fugro has completed the geotechnical site investigations at the eastern array of Dogger Bank South Wind Farm, off UK.Fugro’s five-vessel campaign gathered core samples and cone penetration tests (CPT) data up to 50 meters below the seabed.According to RWE, which is developing the project together with partner Masdar, the results of the campaign will provide vital insights for designing turbine and platform foundations.Dogger Bank South (DBS) consists of two offshore wind farms - DBS East and DBS West - with an estimated combined capacity of 3 GW.RWE leads both DBS projects…

Danish power cable maker and services provider NKT has concluded a turnkey repair of one of the 220 kV high-voltage AC subsea export cables connecting the Beatrice offshore wind farm in the Scottish Moray Firth to the Aberdeenshire coast.The repair was executed in 38 days, according to NKT, which was hired for the repair job following an unplanned transmission outage that occurred in April 2025 on one of two of Beatrice’s Transmission Capital Partner (TCP) owned export cables.The malfunction reduced the site’s export capacity by 50%…

Norwegian offshore vessel owner Solstad Maritime has signed a contract award with an international subsea contractor for the Normand Sentinel contract support vessel (CSV).The firm contract will start early 2026 and will keep the Normand Sentinel fully committed until the end of 2027. The agreement, with an undisclosed client, also includes one yearly option thereafter.Normand Sentinel will support the client’s operations worldwide. As part of the charter party, Solstad Maritime will deliver…

Italian offshore services provider Next Geosolutions (NextGeo) has secured a new contract worth around $9.8 million by Saipem for offshore survey and installation support activities under the Bouri Gas Utilization Project (BGUP) in North Africa.The contract covers survey and construction support work for the development of the Bouri gas field, located off the Libyan coast, one of the largest offshore initiatives in the region aimed at boosting gas recovery and utilization.Next Geosolutions said the project will involve deployment of its vessels NG Worker and NG Surveyor…

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Norwegian offshore supply vessel owner DOF Group has secured a contract with BP for the provision of subsea services in the Atlantic region.The three-year firm and two-year options contract will see DOF deploy a high-capability subsea vessel asset to support BP with subsea construction, installation, repair, and maintenance (IRM) operations.Offshore operations are expected to begin in the first quarter of 2026.Financial details related to the agreement, including rates and overall revenue…

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Mermaid Subsea Services (UK) has completed a fast-track subsea recovery campaign in the North Sea for a major operator.The operation involved the internal and external severance of casing, conductor, guide pipe and cement lines, as well as local seabed excavation and recovery of the CAN-Basic structure.Mermaid also handled waste management of recovered items and backfill operations to prepare for an over-trawl survey. “This was a time-critical project, and our team responded with professionalism and agility to ensure safe and efficient delivery.

Enshore Subsea has installed the first of two offshore export cables at Inch Cape offshore wind farm, using the CMOS Installer cable laying vessel.Operating from the Port of Blyth, the vessel installed the first of two 85-kilometre export cables for the 1.1 GW offshore wind farm, being built off the east coast of Scotland.The 220 kV, three-phase export cable was installed in three 28-kilometre sections.Once operational, the cable will transmit power from the offshore wind farm to the project’s new onshore substation under construction at Cockenzie…

Swedish firm Njord Survey has entered into a frame agreement with Energinet, Denmark’s national transmission system operator (TSO), covering site and route survey services for offshore wind and subsea cable projects.The long-term collaboration reinforces Njord Survey’s position as provider of services to the offshore renewable sector.It follows the agreement company signed earlier in October with German TSO 50Hertz to deliver geophysical and ROV seabed survey service in support…

Subsea technology company Seatools has been awarded a contract by Jan De Nul for the design and delivery of a Fall Pipe ROV (FP-ROV) that will form a key system of the Belgian contractor’s recently ordered subsea rock installation vessel, the George W. Goethals.The ROV will play an essential role in the vessel’s mission to protect critical subsea infrastructure by enabling highly accurate and controlled rock placement around cables and foundations, safeguarding assets that underpin…

Remazel, a company of the Fincantieri Group, has signed a contract with Jan De Nul for the supply of mission-critical equipment for a newbuild vessel.The contract covers the design and supply of an advanced system for transporting and laying rocks on the seabed to protect cables and pipelines.The solution developed by Remazel will enable operations at depths of up to 400 meters with a production capacity of 2,000 tonnes per hour, ensuring precision, efficiency and operational continuity even in challenging marine conditions.A centralized control system will coordinate all onboard equipment…

Belgian marine contractor Jan De Nul has signed a contract with Synera Renewable Energy (SRE) for the installation of export cables on the Taiwanese offshore wind farm Formosa 4.To bring the green energy ashore, Jan De Nul will transport, install and protect 60 kilometers of subsea cables.According to the company, it was also selected as the preferred contractor for export cables on SRE’s wind farm Formosa 6, located 55 kilometers southwest of Formosa 4.Situated 20 kilometers off Miaoli County’s coast…

Twelve new research projects will strengthen Norway’s ability to prevent and handle serious incidents that threaten life, health, and critical infrastructure.Topics include handling hybrid threats in Norwegian sea areas, early warning systems for critical underwater infrastructure, security management for renewable energy systems, natural hazards, societal vulnerability, and citizen involvement in crisis management.The projects are financed by funds from nine ministries: the Ministry of Justice and Public Security…

Belgian marine contractor Jan De Nul has ordered a rock installation vessel, specifically built to strengthen the protection of offshore energy and subsea data infrastructure.The vessel, named George W. Goethals, will be the company’s largest rock installation ship to date, with a carrying capacity of 37,000 tonnes. It will be equipped with ultra-low emission technology and engines capable of running on biofuel and green methanol.According to Jan De Nul, using its flexible vertical fall pipe and an inclined fall pipe system…

Ocean services provider DeepOcean has been awarded a SIMOPRO – simultaneous marine operation and production – installation contract by Equinor on the Norwegian continental shelf.DeepOcean’s scope of work entails SIMOPRO installation work on both the Åsgård and Visund fields. The company will undertake onshore project management, engineering and procurement services as well as offshore operations.A SIMOPRO operation refers to a complex offshore job where marine construction or…

Aesen Pte. Ltd. (Aesen) and Dutch Offshore Contractors Holdings B.V. (DOC)  formed Aesen DOC Cable Logistics Pte. Ltd., a joint venture to address the growing global demand for subsea cable transport, storage and logistics solutions.With global electrification and offshore wind expansion accelerating, demand for high-voltage subsea cables is surging, and the joint venture aims to address critical industry gaps such as supply bottlenecks, limited storage capacity, and the need for reliable end-to-end logistics.As part of its investment strategy…

Offshore construction has started at the Hollandse Kust West wind farm, where Van Oord and developer Ecowende are installing eco-friendly scour protection designed to improve marine biodiversity.Van Oord’s subsea rock installation vessels Nordnes and Bravenes have been mobilised to lay scour protection around monopile foundations, marking the official start of offshore operations at a wind farm which aims to become the most ecological of its kind.Scour protection typically stabilizes the seabed around turbine foundations against erosion caused by currents and waves.

Italian offshore services provider Next Geosolutions (NextGeo) has signed an eight-year framework agreement with German transmission system operator (TSO) 50Hertz to deliver geotechnical seabed survey services for offshore substations (OSS) projects.Part of the Elia Group, 50Hertz is responsible for the development and operation of the high-voltage power grid across Northern and Eastern Germany.As a result of this agreement, NextGeo shall be the primary provider for geotechnical seabed survey services…

Subsea cable services company Asso.subsea has ordered a next-generation trenching support vessel (TSV) from China Merchants Heavy Industry (CMHI) Shenzhen Shipyard, scheduled for delivery at the end of 2027.The vessel, named Avra, is the second new building vessel announced in just a few months by Asso.subsea, following the recent revealing of its newest cable laying vessel (CLV) Althea, underscoring a period of significant strategic investment and fleet expansion for the company.Avra…

Maritime Developments (MDL) has secured a subsea installation project in the Asia-Pacific region, covering the lay of two cables and two umbilicals.The work will be done in water depths between 800 and 1,200 meters.For the 60-day campaign, scheduled to mobilize from Singapore in 2026, MDL will provide a complete flex-lay spread, including one of the company’s Horizontal Lay Systems – a compact integrated package proven globally on installation and decommissioning scopes - mobilized…

Intermoor, Acteon’s Moorings and Anchors business line, and Jumbo Offshore, an offshore transportation and installation specialist, have entered into strategic alliance aimed at jointly delivering fully integrated project management, engineering, transport and installation services to the offshore oil and gas as well as floating wind sectors.This partnership brings together Intermoor’s expertise in mooring systems and offshore engineering with Jumbo Offshore’s capabilities in heavy-lift transport and mooring installation.Under the alliance…