Semi Submersible News

Dajin Expands Offshore Wind Logistics Fleet with KING TWO Launch

China-based offshore wind foundations manufacturer Dajin Heavy Industry has launched a 40,000 DWT deck carrier, KING TWO, at its Panjin shipbuilding facility.The vessel, launched on April 19, is the second large-scale deck carrier built at the facility, following KING ONE, which has already completed its maiden voyage.KING TWO measures 239.8 meters in length, 51 meters in breadth and 13 meters in depth, with a deck area of 12,000 square meters.The vessel is equipped with dual engines and dual propellers…

Coast Guard Interdicts Suspected Drug Smugglers in Eastern Pacific Sea

Coast Guard Cutter Forward (WMEC 911) intercepted a self-propelled semi-submersible (SPSS) vessel during a routine patrol on February 24 in the Eastern Pacific Ocean.A maritime patrol aircraft detected the vessel and reported the location to Forward watchstanders. Forward’s crew rapidly deployed its over-the-horizon cutter pursuit boat and an embarked MH-65 aircraft from the Helicopter Interdiction Tactical Squadron (HITRON) to intercept the suspicious vessel.Despite repeated verbal commands issued by the boarding team, the SPSS failed to comply or stop their vessel.

Allseas’ Heavy Transport Vessel Newbuild be Powered by Wärtsilä Engines

Technology group Wärtsilä has signed a contract to supply the engines for Allseas’ new purpose-built semi-submersible Heavy Transport Vessel (HTV).The ship is being built at the Guangzhou Shipyard International (GSI) facilities in China.The future-proof Wärtsilä 31 engine was selected because of its modular design, which enables a significant reduction in maintenance requirements and costs, and its readiness to use alternative sustainable fuels.The vessel will operate with four Wärtsilä 31 engines…

ABS Approves Seagate Space’s Modular Offshore Launch Platform

ABS has granted approval in principle (AiP) to Seagate Space for their unmanned semi-submersible launch platform – the first offshore asset to receive AiP under the newly published ABS Requirements for Offshore Spaceports.The platform, designed specifically for remote offshore launch operations and referred to as the Gateway-S, introduces a new category of modular offshore spaceport infrastructure. Gateway-S can be configured for both launch and recovery as well as disassembled into container-sized modules for transportation by sea, truck or rail, allowing for multi-site deployments.

Kongsberg Maritime Marks 50 Years of Dynamic Positioning

Kongsberg Maritime is marking 50 years since the introduction of its first dynamic positioning (DP) system, a Norwegian innovation that transformed offshore operations and set new standards for safety and efficiency at sea.The story began in the mid-1970s, when offshore operations in the North Sea faced harsh conditions and dangerous anchoring practices. A breakthrough came in 1977 with the successful live test of the world’s first Norwegian DP system on Stolt-Nielsen’s vessel Seaway Eagle.This pioneering technology allowed vessels to maintain position without anchors…

Dual Pre-FEED Wins Propel ECOnnect’s LNG IQuay Regas Terminal

ECOnnect Energy has signed two pre-Front End Engineering and Design (pre-FEED) contracts for its IQuay Regas Terminal, a modular floating regasification system designed to offer faster, more flexible alternatives to conventional onshore and floating LNG terminals.The IQuay Regas Terminal combines a Floating Storage Unit (FSU), a modular floating regasification platform known as the R-Class, and either subsea or floating pipelines for high-pressure gas transfer to shore. The system’s compact…

Survivors from Struck Caribbean Vessel Held Aboard US Navy Ship

The U.S. military is holding two survivors aboard a Navy ship after rescuing them from a suspected drug vessel in the Caribbean hit by a U.S. strike that killed two others, three sources familiar with the matter told Reuters on Friday.The disclosure, which has not been previously reported, raises the possibility that the survivors from Thursday's strike are the first prisoners of war in a conflict declared by President Donald Trump against a "narcoterrorist" threat he says is…

Boskalis’ Blue Marlin Transporting ‘Colossal’ FPU for Congo LNG Project

Dutch offshore services provider Boskalis has engaged its heavy transport vessel Blue Marlin to move a recently converted floating production unit (FPU) to Angola, ahead of its deployment at Congo’s first natural gas liquefaction project.The cargo, formerly one of the largest semi-submersible drilling rigs of its generation, has been converted into an FPU is currently en route to Angola on Blue Marlin vessel.Even though the 80-by-68-meter, 41,000-ton structure is five meters wider than the 63-meter-wide deck of the Blue Marlin, the colossal FPU stands rock-solid on deck, according to Boskalis.

Allseas Selects Vuyk for Semi-Submersible Design

Offshore industry leader Allseas selected Dutch maritime design house Vuyk Engineering to design its new semi-submersible Heavy Transport Vessel (HTV) ‘Grand Tour’. Purpose-designed to support seamless topsides transfers to ‘Pioneering Spirit’, the vessel represents a major step forward in integrated offshore transport and installation solutions. Built at Guangzhou Shipyard International, the new HTV is scheduled for entering service in Q1 2028.The vessel is optimized by Vuyk to carry payloads of up to 60,000 tons.

Allseas Orders Semi-Sub Heavy Transport Vessel from Chinese Shipyard

Offshore contractor Allseas has signed a construction contract with Guangzhou Shipyard International (GSI) in China for a purpose-built semi-submersible heavy transport vessel (HTV), marking a major expansion of its fleet capabilities.The vessel, to be named Grand Tour, is scheduled for delivery in the first quarter of 2028. With a load capacity of 40,000 tonnes, the ship will be designed to carry the world’s largest offshore structures across oceans and transfer them to Allseas’ flagship vessel…

EXMAR Reports Half-Year 2025 Results

EXMAR NV has reported net profits of USD$44.4 million for the first half of 2025, compared to USD$69.5 million a year earlier. Results were supported by resilient shipping operations, strong performance in engineering, and a one-off USD$15 million gain from the reversal of a warranty provision on the Marine XII project in Congo.Key Financials (proportionate consolidation, H1 2025 vs. H1 2024):Revenue: USD$168.9m (down from 237.4m)EBITDA: USD$100.4m (104.3m)Adjusted EBITDA: USD$100.4m…

General Dynamics NASSCO Takes Delivery of New Floating Dry Dock

General Dynamics NASSCO has taken delivery of a new dry dock at its Long Beach location, after achieving over 40 years of operation from its existing floating dry dock.“This is more than an arrival. This is our commitment to the future of ship repair, strengthening our ability to meet the evolving needs of our customers,” said the company.The 17,300-tonne dry dock measures over 253 metres in length, 54 metres in width, and 21 metres in height.Kuehne+Nagel was entrusted with its transport from a construction yard in Turkey on the BOKA Vanguard…

Friede & Goldman Hires Contractor for Semi-Sub Rig Conversion Job

Houston-based designer of mobile offshore drilling units Friede & Goldman (F&G) has signed an engineering agreement with Peak Ocean Offshore, a specialist in offshore asset conversion and lifecycle optimization, for the design and engineering of a major semi-submersible accommodation conversion project.The agreement formalizes F&G’s role as the design and engineering authority for the project, which involves converting a legacy F&G ExD design drilling semi-submersible into a high…

Hanwha Ocean Floating Turbine Receives ABS Approval

ABS issued approval in principle (AIP) to Hanwha Ocean for its new design of a semisubmersible-type floating offshore wind turbine.The design, named WindHive 15-H3, supports 15-megawatt (MW) turbines on three hexagonal columns. ABS completed design reviews based on class and industry requirements.“Floating offshore wind power is set to play a critical role in the world’s future energy landscape, and we are proud to collaborate with industry leaders like Hanwha Ocean on innovative solutions that are focused on advancing safety at sea…

Scarborough FPU's Topsides and Hull Come Together in Major Engineering Feat (Video)

Woodside Energy’s Scarborough energy project has achieved a major engineering milestone with the joining together of the topsides and hull for the Floating Production Unit (FPU).Constructed separately at two different fabrication yards in China, the joining of the two mega-structures is a significant step forward for the Scarborough energy project as it progresses towards first liquefied natural gas (LNG) cargo, targeted for the second half of 2026.The floatover required precise planning and extensive collaboration by all stakeholders.

ABS Approves New Floating Offshore Wind Turbine Design

ABS has awarded approval in principle to Seatrium Marine & Deepwater Technology for its new design of a floating wind semi-submersible floating column foundation for 15MW wind turbines.Seatrium highlights that the design is optimized for efficient fabrication and cost-effectiveness while being capable of handling the harshest environments. The new design concept features pontoons on three sides and a center column that supports the turbine.ABS completed design reviews based on class and statutory requirements.

China's First Offshore Hydrogen-Ammonia-Methanol Platform Starts Operating

China's first integrated offshore hydrogen-ammonia-methanol project, which will produce clean fuels for ships, has entered the trial operation phase in Yantai, in eastern Chinse province of Shandong.Jointly developed by CHN Energy Hydrogen Energy Technology, CIMC Raffles and Guoneng Hydrogen Innovation Technology (Beijing), the initiative represents the nation’s first comprehensive demonstration project for offshore hydrogen production, storage, transportation and utilization…

COSCO Orders New Semi-Sub Vessel from Chinese Shipyards

COSCO Shipping Specialized Carriers has placed an order for a next generation semi-submersible vessel to Chinese shipyards.COSCO will build the vessel in partnership with China Shipbuilding Industry Corporation and Guangzhou Shipbuilding International.The 70,000 dwt DP2 semi-submersible vessel is expected to be delivered in the first quarter of 2027.

Friday Shipbrokers Arranges Transport of Car Carrier to China for Repair

Friday & Co. Shipbrokers completed a chartering deal between Boskalis and a Chinese charterer to transport the car carrier Floor (formerly Fremantle Highway) from the Netherlands to China. The project entails transporting the vessel — damaged by fire last year — aboard Boskalis' semi-submersible heavy lift flagship, the Boka Vanguard, for repairs and modifications in Asia.Fremantle Highway, en route from Bremerhaven to Singapore in 2023, encountered a fire in the North Sea but was ultimately saved and docked in Rotterdam.

Malin Group Assists KBS Maritime in Hunt Class Float-Off

Heavy lift services specialists, Malin Abram, part of the Malin group, have successfully rolled out and floated off HMS Brocklesby, a Hunt Class vessel, representing one of the eight mine countermeasure vessels of the Royal Navy, at His Majesty’s Naval Base Portsmouth. The project, which has involved months of meticulous planning from KBS Maritime and Malin Abram, saw the vessel carefully rolled-onto a semi-submersible launch barge, provided by Tronds Marine, after which it floated off and launched successfully. The contract represents a new relationship between the two companies.

Esgian Week 41 Report: Operators in Norway Preparing for Drilling

Esgian highlights that operators in Norway are preparing new wells for Odfjell Drilling, COSL and Saipem semisubs in its Week 41 Rig Analytics Market Roundup.Report SummaryContractsShelf Drilling has secured new contracts for its 350-ft jackups Shelf Drilling Achiever and Adriatic I offshore Nigeria.Drilling Activity and DiscoveriesThe Norwegian Environment Agency (Miljødirektoratet) has received an application from Aker BP for permission under the Pollution Act to drill the delineation well 25/1-14 Omega Alfa in the North Sea…

DNV, Seatrium Team Up for Innovation in Marine and Offshore

DNV has signed a memorandum of understanding (MoU) with Seatrium to cooperate on strategic activities and projects in the areas of engineering, technology and new product design, with key focus on floating offshore energy solutions.Under the MoU, DNV will provide Seatrium with expert advice on market and regulatory trends, emerging technologies, and best practices for environmental, safety and quality standards, in the maritime and offshore sectors.Both parties will work closely on optimizing existing processes and improving efficiencies across newbuilding…

Beacon Offshore’s Shenandoah FPS Reaches US Ahead of Deepwater Installation

The Shenandoah floating production system (FPS) has been transported to the Gulf of America ahead of wet tow and offshore installation at the Shenandoah deepwater field at Walker Ridge project site, developed by Texas-based exploration and production company Beacon Offshore Energy.On December 13, 2024 the Shenandoah FPS sailed away from HD Hyundai Heavy Industries’ shipyard in Ulsan, South Korea, where it was built.COSCO Shipping and Guangzhou Salvage Heavy Transport (CSGS) delivered the Beacon Offshore Energy’s Shenandoah FPS to Ingleside…