Subsea News

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…

Jan De Nul has selected Ulstein Design & Solutions to provide the vessel design for a new subsea trenching vessel that will be added to the company’s offshore fleet.The vessel, scheduled for delivery in 2028, will be based on a proven subsea vessel platform adapted to support large-scale trenching operations.Subsea trenching involves creating protective channels on the seabed to bury pipelines, power cables and telecommunications lines.The vessel design will feature a modular configuration allowing it to support activities across several offshore sectors…

Subsea7 has secured a large variation order by Turkish Petroleum Offshore Technology Center AS (TP-OTC) relating to the Sakarya field development in the Black Sea, offshore Türkiye.The award represents an extension to the contract announced by Subsea7 in August 2025 for the third phase of Sakarya and will connect the recently discovered Goktepe field to the Phase 3 floating production unit.The scope of work comprises engineering, procurement, construction and installation (EPCI) of approximately 20 kilometers of flexibles…

Fincantieri has signed a strategic agreement with Italian deep-tech company WSense to jointly develop and commercialize advanced wireless technologies for underwater applications, strengthening the shipbuilder’s position in subsea monitoring and protection systems.The agreement covers both the co-development of wireless underwater communication solutions and a commercial framework for deploying the technology in environmental monitoring and infrastructure integrity applications through Fincantieri Infrastructure.Under the partnership…

Subsea7 has secured a sizeable contract by Shell for the Kaikias Waterflood project, a deepwater development in the Mars-Ursa Basin, off the Louisiana coast in the United States.The scope of work includes the transportation and installation of a subsea umbilical, riser, and a rigid flowline in water depths of up to 1,650 meters.Project management and engineering activities will begin immediately from Subsea7's Houston, Texas office, with offshore operations scheduled for 2027.The exact value of the contract has not been disclosed…

Finland’s Border Guard is setting up a maritime surveillance centre together with other Baltic Sea states and the European Commission for the protection of critical undersea infrastructure in the Gulf of Finland, it said on Monday."Competent authorities must have the capability and the authority to intervene in situations occurring in the territorial sea and the exclusive economic zone," it said in a statement.The Baltic Sea region is on high alert after a string of power cable, telecom link and gas pipeline outages since Russia invaded Ukraine in 2022, and NATO has increased its Baltic Sea pr

This week’s maritime security report from Palaemon Maritime starts by saying: “Hello Shipmate, this week saw a sharp escalation in maritime security incidents across Europe, the Americas and Southeast Asia.”Key developments include:• Ballistic missile attack on Chornomorsk Port, Ukraine, causing container damage and an oil spill• Greek-managed oil tankers hit by drone strikes near the CPC terminal off Novorossiysk• A Panama-flagged vessel struck by a Russian UAV, injuring one crew member• A cargo vessel sunk in the Caspian Sea, all 14 crew rescued• Americas – U.S.

A new study undertaken by a group of researchers from the UAE, Canada, Japan, and Taiwan collates a range of statistics and expert opinion to address an urgent puzzle: Where and under what conditions do states prioritize cable security?The researchers focused on three contrasting cable systems: Unity/EAC Pacific (Japan–U.S.), Asia-America Gateway (Guam–Hawaii), and Tata TGNTata Indicom (India–Singapore).The risk to such cables varies predictably with geopolitical tension, peaking during ambiguous periods between peace and overt conflict.

“Seeing” under the world’s waterways is a perpetual challenge, seeing what’s under the seabed surface and even bigger challenge. Seequent, the Bentley Subsurface Company, helps organisations understand what’s happening underground and under the seabed, helping to identify and mitigate risks such as unexploded ordinance (UXO), helping to ensure a more efficient and safe work environment for multiple maritime stakeholders.

CIMC Raffles has awarded a contract to TMC Compressors to deliver a complete marine compressed air system for the MK II floating liquefied natural gas (FLNG) facility, currently under construction for Golar LNG.TMC’s scope includes instrument air compressors, utility compressors, nitrogen feed air compressors, and air driers. The company did not disclose the value of the contract.The MK II FLNG project involves converting Golar’s LNG tanker, Fuji LNG, into a floating liquefaction facility.

Saipem has been awarded two offshore contracts in Saudi Arabia, known as Contract Release Purchase Orders (CRPO), under its existing Long-Term Agreement with Aramco.The first contract (CRPO 162), with a duration of 32 months, encompasses the Engineering, Procurement, Construction, and Installation (EPCI) of approximately 34 km of pipeline, with diameters of 20” and 30", and related works on topside structures at the Berri and Abu Safah oil fields.The second contract (CRPO 165)…

Norwegian offshore vessel owner and subsea services provider DOF Group has secured two contracts for its vessels and services in the Asia-Pacific (APAC) region.DOF signed a three-year frame agreement for the provision of subsea inspection, maintenance and repair services with associated assets in the APAC region.A call off under the contract has also been confirmed and will utilize DSV Skandi Singapore and all related diver-less subsea services on a brownfield tieback campaign…

Norwegian offshore vessel owner and subsea services provider DOF Group has secured several new project awards in the Atlantic region and a separate contract in North America with Shell.The Atlantic region awards, amounting to over $60 million, will be executed primarily using DOF’s regional fleet during the fourth quarter of 2025 and the first quarter of 2026. The contracts represent more than 250 firm vessel days, excluding optional work.In West Africa, DOF will deploy Skandi Hera and Skandi Master under direct contracts with an operator.

Our fascination with the depths of the ocean revealed itself in some of our most-read stories of 2025.What’s really down there? asked New Wave Media President Greg Trauthwein in his interview with Matt Grove, Regional Segment Manager Offshore at Seequent in September, in the most watched Offshore Engineer TV show.Working underneath the world’s waters is a challenge in and of itself, a challenge exacerbated if an operator does not have a clear picture of the make-up of the seabed with insights on the potential traps that might await.

Norwegian offshore supply vessel owner DOF Group has secured seven new contract extensions with Petrobras for its offshore support vessels (OSVs) in Brazil, valued over $160 million.Five of DOF's Brazilian-flagged anchor handling tug supply (AHTS) vessels, all with ROVs on board, including Skandi Fluminense, Skandi Paraty, Skandi Angra, Skandi Urca and Skandi Iguaçu, have had their current contracts with Petrobras extended until the first quarter of 2027.The new four-year contracts…

Ukraine said on Monday it hit and disabled a Russian missile-carrying submarine docked at a Black Sea naval base using underwater sea drones for the first time, but Moscow denied the strike caused any damage.The attack with Ukrainian-made "Sub Sea Baby" drones hit the submarine in the port of Novorossiysk where Russia has rebased many of its Black Sea naval vessels to put them out of reach of Ukrainian strikes, the Security Service of Ukraine (SBU) said.Footage published by the…

Belgian offshore contractor Jan De Nul has concluded the 2025 transport and installation campaign of three HVAC grid connection cables at TenneT’s DolWin kappa platform.When finalized, these cables will ensure the transport of almost 660 MW renewable electricity from two offshore wind farms, which is enough energy needed to power more than 800,000 German homes.Jan De Nul and partner Hellenic Cables are responsible for design, production, transport, installation and protection of three 155 kV HVAC cables with a total length of 37 km.