Subsea News

A Finnish court today denied a request for the release of an oil tanker suspected by police of damaging an undersea power line and four telecommunications cables in the Baltic Sea last week. The incident was one of several since 2022 in which underwater critical infrastructure in the Baltic Sea has suffered suspicious damage. Baltic Sea nations are on high alert and NATO has said it will boost its presence in the Baltic Sea.The following is a timeline of major 'incidents' since September 2022 following Russia's invasion of Ukraine.SEPT 2022: NORD STREAM BLASTSNord Stream 1 and Nord Stream 2…

Saipem’s pipelay vessel Castorone has crossed the Bosphorus Strait in Türkiye, continuing its journey toward the Black Sea for a pipeline installation job as part of the second phase of the Sakarya project for Turkish Petroleum - Offshore Technology Center (TP – OTC).In the early hours of December 26, the vessel crossed the Dardanelles Strait, covering a distance of 36 nautical miles in approximately six hours.In the afternoon, it continued its journey through the Sea of Marmara.

Finnish authorities said they boarded and took control of an oil tanker travelling from Russia on December 26, 2024, on suspicion it caused the outage of an undersea power cable and three internet lines connecting Finland and Estonia a day earlier.The Cook Islands-registered ship, named by authorities as the Eagle S, was boarded by a Finnish coast guard crew which took command in the Baltic Sea and sailed the vessel to Finnish waters, a coast guard official told a press conference."From our side we are investigating grave sabotage…

ABS and Akselos have signed a Memorandum of Understanding (MoU) to advance engineering and certification processes for floating offshore wind projects.The companies signed a Memorandum of Understanding (MoU) to collaborate on solutions aimed at optimizing design, reducing costs, and improving efficiency for the floating wind sector globally.The collaboration utilizes ABS's expertise in offshore certification and classification with Akselos' simulation technology for structural risk mitigation and optimization. Together, they aim to support the U.S.

Vard has delivered a new cable laying vessel (CLV) to Denmark’s subsea specialist NCT Offshore less than two years after the contract was signed.The newly delivered vessel, based on the VARD 9 01 design, has been specially designed and equipped for subsea cable laying operations.In less than 18 months since the first steel was cut, the vessel has been assembled, outfitted, commissioned, and is ready to commence her maiden voyage towards Denmark where she will be further fitted and tested…

Belgium-based offshore installation contractor Jan De Nul, in partnership with Greek cable maker Hellenic Cables, has entered into a framework agreement to supply and install export cables for two 750 MW floating wind farms off the coast of Southern Brittany in France.The agreement was signed with France's transmission system operator RTE, which is developing an offshore power grid to connect future wind farms.Jan De Nul will install the cables that transport the renewable energy…

Brunvoll won another contract with Myklebust Shipyard for the delivery of a comprehensive thruster package, an additional vessel for REM Offshore, the option originally announced in May 2024. Like the previous contract, this agreement also includes an option for a third additional vessel.Brunvoll’s thruster package consists of two propulsion azimuth thrusters, two retractable azimuth thrusters, and a tunnel thruster. This configuration is the same as the previous vessel announced in May, except that this vessel with be equipped with a slightly larger tunnel thruster.

Texas-based exploration and production company Beacon Offshore Energy has awarded a contract to Subsea7 for the work on Monument development in the U.S. Gulf of Mexico.The project involves the installation of a high-pressure 27-kilometre subsea tieback to the Shenandoah Floating Production System (FPS), located in Walker Ridge Block 316 at water depths reaching up to 2,000 meters.Subsea7's scope of work includes the engineering, procurement, construction, and installation (EPCI) of subsea equipment…

Marine construction contractor Red7Marine has supported subsea solutions specialist N-Sea Group in a critical export cable repair project for the 576 MW Gwynt y Môr offshore wind farm in the Irish Sea.With complete delivery of two jack-up barges, supporting tugs, a 220t telescopic crawler crane, accommodation and catering service, Red7Marine’s end-to-end package enabled N-Sea to focus on its project goals of completing the repair project.N-Sea Group was contracted by an Offshore…

Australia's Indian Ocean territory of Christmas Island will be connected by subsea cable to the northern garrison city of Darwin, a project backed by Alphabet's Google that Australia says will boost its digital resilience.Christmas Island is 1,500 km (930 miles) west of the Australian mainland, with a small population of 1,250, but strategically located in the Indian Ocean, 350 km (215 miles) from Jakarta.The cable announcement comes as the Australian and U.S. militaries upgrade airfields in Australia's north, where a rotating force of U.S.

CSL OWL Subsea Rock Installation, a newly formed partnership between the CSL Group and Offshore Wind Logistics (OWL), has ordered two newbuild subsea rock installation vessels tailored for the offshore wind sector.Each vessel will have a cargo capacity of 17,500 metric tonnes and will be equipped with dynamic positioning (DP2).They will be able to operate on marine gas oil (MGO) and/or methanol, providing a pathway to zero emission operations.Purpose-built for optimal flexibility…

Two undersea fibre-optic communications cables in the Baltic Sea, including one linking Finland and Germany, were severed, raising suspicions of sabotage by bad actors, countries and companies involved said on Monday.The episode recalled other incidents in the same waterway that authorities have probed as potentially malicious including damage to a gas pipeline and undersea cables last year and the 2022 explosions of the Nord Sea gas pipelines.The 1,200-kilometre (745-mile) cable connecting Helsinki to the German port of Rostock stopped working around 0200 GMT on Monday…

Norwegian offshore vessel operator DOF Group has won a contract for IMR vessel and associated subsea services in the Asia Pacific region.The contract will utilize one of DOF’s project vessels in the region and includes project management, engineering, logistics support and all related subsea activities.Offshore services are expected to commence in the first quarter of 2025 for approximately 150 days.“This award secures further backlog for the Asia Pacific region with an estimated value of over A$20 million ($13.1 million).

Seaway7, part of the Subsea7 Group, has secured a ‘substantial’ contract from ScottishPower Renewables for the transport and installation of the inter-array cables of the East Anglia TWO offshore wind project.Seaway7’s scope of work for East Anglia TWO includes the engineering, supply and installation of the 64 inter-array cables.Execution of the scope will be led from Seaway7’s Aberdeen office in the UK, with offshore activities scheduled to commence in 2027.Although the exact value of the contract has not been specified…

China's Ministry of State Security said on Tuesday that it had retrieved spying devices both on the ocean surface and in the depths of the sea, including underwater "lighthouses" that could guide the transit of foreign submarines.The ministry said it had uncovered devices that had been hidden on the ocean floor and were sending back information that could "pre-set the field for battle," in an article on its official WeChat account, China's most popular social media app.Recent…

Russia has begun designing nuclear-powered submarines to export liquefied natural gas (LNG) from the Arctic to Asia to try to nearly halve the journey time along the Northern Sea Route (NSR), a senior state official has said.Russia already uses nuclear-powered ice breakers to pave the way for such transport via the NSR, which runs along Russia's Arctic shores from Murmansk in the west to the Bering Strait in the east, a route Moscow sees as a faster alternative to the Suez Canal and has plans to develop.But Russia is suffering from a shortage of vessels able to battle thick Arctic ice…

Subsea7 in August announced it was awarded a "sizable" contract, worth between $50 million and $150 million, to perform engineering, procurement, construction, and offshore installation (EPCI) work in the U.S. Gulf of Mexico.The company revealed on social media that the contract was awarded by Shell Offshore Inc., for its Vito waterflood project. Subsea7's work scope includes EPCI of a water injection flowline, hull piping, and associated subsea infrastructure for an enhanced…

Preparing for industrialization, the floating offshore wind industry is tackling its unique mooring and cabling challenges.The idea of keeping floating offshore wind platforms in place using dynamic positioning has been considered. The trouble is: it could take up to 80% of the electricity generated by the turbine to do it.So, as Maersk Supply Service said a few years back: In a field of 100 turbines with 4-5 mooring lines each, there is going to be a lot of subsea “spaghetti.” It’s not a problem unique to the industry…

Danish subsea cable and services firm NKT, in close collaboration with SSEN Transmission, has completed the turnkey project of connecting the Shetland Islands to the main grid in Scotland with the Shetland HVDC Link.The 320 kV HVDC interconnector is now a key contributor to the integration of renewable energy in Great Britain.Interconnected power grids are essential to the green transition and with the completion of the Shetland HVDC Link, 600 MW of renewable energy can now flow…

Edison Chouest Offshore (ECO) affiliate C-Innovation (C-I) on Monday announced it has signed a new three-year contract with bp for field development, and inspection, maintenance and repair (IMR) work.The contract, which has options for two one-year extensions, is for the provision of two subsea construction vessels, C-Constructor and Holiday, and access to a fleet of specialized subsea and supply vessels. It also includes project management, engineering, equipment, logistics and port services.

An international team of scientists is reconstructing the impact of the 2008 Chaitén volcanic eruption on the marine environment following an expedition onboard Schmidt Ocean Institute’s R/V Falkor (too).After 9,000 years of dormancy, the Chaitén Volcano erupted without warning on May 2, 2008. Ash spewed 30 kilometers (18 miles) into the air and blanketed the landscape. Heavy rain in the following days triggered devastating volcanic mudflows known as lahars that cascaded down mountainsides and into the Northern Patagonian Sea.

DeepOcean won a contract extension with Diavaz for the vessel, Arbol Grande. The vessel will work on Inspection Maintenance and Repair (IMR) services in Mexico for the next five years.Arbol Grande is a construction and subsea vessel, delivered in 2003 with specifications tailor made for the Mexican market. The vessel has been used as an accommodation and topside maintenance support vessel for several IMR contracts involving saturation- and air diving, as well as other light construction…

General Dynamics Mission Systems has been awarded a $15.9 million contract by the U.S. Navy to develop its Mining Expendable Delivery Unmanned Submarine Asset (MEDUSA) system.MEDUSA is a tactical, clandestine mining system using an expendable Unmanned Underwater Vehicle (UUV) that can be launched from a submarine torpedo tube. The U.S. Navy is developing MEDUSA to address the need for an advanced maritime mining system with long-range offensive mining capabilities.The scope of the newly awarded research and development effort includes the design…