Allseas News

Allseas’ small modular reactor (SMR) technology could generate up to $150 million billion in economic value for the Netherlands and create as many as 40,000 new jobs by 2050, according to an impact study released on Monday by the offshore engineering group.The study, conducted by consultancy Roland Berger, found that deploying the company’s 25 MWe / 70 MWt high-temperature gas-cooled SMR could also help cut grid congestion, strengthen energy security and deliver major emissions…

TADEK Ocean Engineering, a UK offshore engineering consultancy delivering front-end advisory, through-project delivery solutions and naval architecture analysis, announced its new look leadership team and strategic new senior appointments as the company prepares for further growth.TADEK integrates advanced hydrodynamic analysis and design with practical project execution, delivering end-to-end solutions from concept and detailed design through to offshore installation and decommissioning in open sea.

Singapore's Aster Chemicals and Energy is investing $125 million to upgrade its single buoy mooring and pipeline infrastructure near the Bukom refinery, aiming to restore direct crude deliveries and extend the facility's operational lifespan.The company said on Tuesday that the upgraded pipeline is projected to provide more than 20 years of reliable service.Other facilities are expected to continue operating normally during the upgrade, which targets completion in 2026, a spokesperson said in reply to a Reuters query.These engineering contracts were awarded to Allseas and DOF…

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.

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…

EnQuest completed the removal of the Heather Alpha topsides on August 11.The Allseas-owned Pioneering Spirit heavy lift vessel removed the 15,300 tonne topsides in a single lift, the largest single lift planned in the North Sea this year.EnQuest Decommissioning Director, John Allan, said: “The Pioneering Spirit completed the lift in around 14 seconds, but that astonishing reality was only made possible by three years of meticulous planning, engineering and preparation works. After almost 50 years of operations in the North Sea…

The 50-50 consortium between Allseas and Boskalis has been awarded a large contract by CPC Corporation Taiwan for the second offshore gas pipeline from Yongan to Tongxiao (YT2) in Taiwan.Under the contract, the consortium will design, construct, install and pre-commission the new YT2 36-inch offshore natural gas pipeline, which will run approximately 232 kilometers parallel to the existing YT1 pipeline, connecting the Yongan LNG terminal in the Southwest with the Tongxiao transfer station in the Northwest.The comprehensive scope of work includes trenching…

Lankhorst Ropes has supplied high capacity, ultra-heavy lift slings to Allseas’ Pioneering Spirit for the transportation and lowering of a 7,300 tonne jacket for a converter platform for the German offshore project BorWin 5.The Lankhorst Gama 98 slings held the jacket in position above the stern of the Pioneering Spirit for the 2-day journey to the installation site.Lankhorst heavy lift slings form part of the Pioneering Spirit’s Jacket Lifting System for platform installation and decommissioning projects.The eight 25 m endless slings use a Gama98 Ultra Heavy Lift rope construction.

Norwegian oil and gas company Aker BP has completed the installation of a jacket for a new production platform at the Valhall field in the Southern North Sea.The Valhall production and wellhead platform (PWP) jacket has been installed with the support from Allseas' Pioneering Spirit and Heerema Marine Contractors' Sleipnir, two of the world’s largest offshore vessels, Aker BP informed on social media.The installation followed the removal of an old production and compression platform (PCP).“This marks the end of an era and the beginning of 40 more years of production at Valhall.

Dutch offshore contractor Allseas has launched a five-year plan to design, develop and deploy a Small modular reactor (SMR) tailored for integration into offshore vessels and for onshore use.Building on 40 years of engineering expertise in the offshore energy industry, Allseas move into nuclear marks the next bold step aimed at delivering clean, high-performance energy systems to sea and shore.Allseas has selected High-temperature gas-cooled reactors (HTGRs) in the 25 MWe range, due to their inherently safe characteristics.

Allseas has commissioned MacArtney to replace existing hydraulic launch and recovery systems (LARS) with the all-electric eLARS on three vessels.The scope comprises three over-the-side 150 kN all-electric A-frames, including docking head and AHC winch, for a new fleet of electric remotely operated vehicles (ROVs) used in survey and construction tasks to water depths of 4-6 kilometers.One system is planned to be mobilized on Pioneering Spirit, the largest, most versatile offshore construction vessel in the world…

Dutch offshore contractor Allseas informs it has secured the contract to perform transport and installation (T&I) of two major substations (so called OSS) for the Gennaker offshore wind farm in the German Baltic Sea, developed by transmission operator 50Hertz.Located 15 kilometers off the German coast near the Darß peninsula, and with a production capacity of 900 MW, Gennaker will be the largest and most powerful offshore wind farm in the Baltic Sea to date.Awarded by the Dutch-Belgian HSI consortium – HSM Offshore Energy…

Offshore installation contractor Allseas has made progress on the installation of the pipeline for Santos’ Barossa Gas Export Pipeline (GEP) project offshore Australia.Allseas’ Audacia pipelay vessel has installed her largest ever PLET in S-mode, concluding several years of in-house engineering, fabrication and testing, the Swiss-based contractor said.Due to the weight of the pipeline end termination structure, Allseas’ production crew had to install it separately to the connector head.Audacia vessels is being supported with four other vessels - Fortitude…

Offshore installation services firm Allseas has inaugurated 'Sandpiper', its new barge for shallow water offshore construction activities.Allseas said Thursday that the 170-meter barge was inaugurated this week in Singapore with a special ceremony after several upgrading activities in 2022/2023. The vessel is is a flat-bottom, anchored barge for shallow water offshore construction activities, purchased by Allseas in 2022 and upgraded for pipelaying in 2022/23.Sandpiper is equipped with a 10-point mooring system…

The U.S. Coast Guard medevaced a crewmember from Allseas' pipelayer Solitaire Tuesday approximately 13 miles south of Port Fourchon, Louisiana.Coast Guard Eighth District and Coast Guard Sector New Orleans command center watchstanders received a report at approximately noon Tuesday from the Solitaire of a 65-year-old male crewmember experiencing heart attack-like symptoms. Sector New Orleans watchstanders diverted a Coast Guard Air Station New Orleans MH-60 Jayhawk helicopter aircrew to assist.

An ailing crewmember was airlifted from a pipelay vessel in the U.S. Gulf of Mexico on Sunday, the U.S. Coast Guard said.Coast Guard Eighth District and Coast Guard Sector New Orleans command center watchstanders received a report at approximately 10 p.m. Saturday from the Solitaire of a 32-year-old crewmember aboard experiencing severe abdominal pain.Sector New Orleans watchstanders coordinated the launch of a Coast Guard Air Station New Orleans MH-60 Jayhawk helicopter aircrew to assist.

The U.S. Coast Guard said Sunday it had evacuated a crew member from motor vessel Solitaire approximately 15 miles south of Port Fourchon, Louisiana. Coast Guard Eighth District and Coast Guard Sector New Orleans command center watchstanders received a report at approximately 10 p.m. Saturday from the motor vessel Solitaire of a 32-year-old male crewmember aboard experiencing severe abdominal pain. The Solitaire is a pipelayer owned by the offshored service firm Allseas.Sector…

The U.S. Coast Guard said Thursday it had medevaced a motor vessel crewmember Tuesday approximately 15 miles offshore Port Fourchon, Louisiana. "Coast Guard Sector New Orleans watchstanders received a call at 7:54 p.m. from the motor vessel Solitaire stating a crewmember was experiencing seizure-like symptoms," the Coast Guard said.According to Coast Guard, watchstanders coordinated the launch of a Coast Guard Air Station New Orleans MH-60 Jayhawk helicopter crew to assist. The helicopter crew arrived on scene…

The Metals Company (TMC) said Wednesday it had collected an initial batch of seafloor polymetallic nodules, and transported them up a 4km-long riser system to the surface in the Clarion Clipperton Zone of the Pacific Ocean.TMC, the explorer of what it says is the world’s largest estimated undeveloped source of critical battery metals, said the move was a historic one, representing the first integrated system test conducted in the area since the 1970s."Having successfully completed…

Allseas is fitting its pipelay vessels Solitaire and Audacia, as well as the multi-purpose vessel Fortitude, with hybrid power technology from Kongsberg Maritime.The offshore installation firm says that vessel hybridization is key to its strategy to minimize the impact on the environment by optimizing efficiency and reducing emissions across its operations."Energy storage technology optimizes energy and load-sharing capability. Batteries store energy when demand is low and deliver it back when demand increases, shaving peaks in power demand. The result is optimal engine loading with improved fuel efficiency and reduced running hours."…

Edward Heerema, founder and president of the offshore installation services firm Allseas, has decided to step aside after nearly forty years at the helm. His eldest son Pieter will assume the role of president of the Allseas Group. According to Allseas, Edward Heerema will remain as chairman and concentrate on developing and integrating new technological developments. Edward Heerema launched Allseas in 1985 and has since built the company into a global offshore contractor.In a press statement announcing the change at the helm…

Dutch/German grid operator TenneT said Monday that the 900 MW offshore substation platform DolWin kappa had sailed away from the Dragados Offshore shipyard in Cádiz, Spain. "TenneT will soon be reliably bringing even more green wind power from the German North Sea to land via the direct current connection DolWin6," TenneT said in the announcement of the sailaway which took place on August 5, 2022."After only three years of construction, the platform is now on board the transport barge “Iron Lady” and on its way to the Dutch port of Rotterdam.

Offshore installation and decommissioning contractor Allseas said Tuesday it had successfully removed and transported to shore Repsol Norge’s 30,000-tonne Gyda platform "in a matter of days."According to the company, Allseas' Pioneering Spirit, the world's largest offshore construction ship, delivered Gyda platform’s 11,000-tonne jacket to Aker Solutions’ disposal yard in Stord, Norway, less than 48 hours after removing it from the southern Norwegian Sea. "The latest job for the vessel’s new jacket lift technology is one of the heaviest ever but well within the system’s 20…