Allseas News

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…

Allseas giant Pioneering Spirit offshore construction ship is back in Stord, Norway, to deliver several decommissioned platform facilities removed from the Aker BP's Valhall field complex, located in the North Sea offshore Norway. The facilities will be recycled.The Pioneering Spirit, dubbed the world’s largest vessel, arrived in Stord on June 9, with the entire production and compression (PCP) platform topsides, upper section of the original drilling platform (DP) jacket, and…

The Metals Company (TMC) and Allseas have successfully completed the initial deep-water trials of the polymetallic nodule collector vehicle in the Atlantic Ocean, TMC said Thursday.To remind, back in March, The Metals Company (TMC), a company extracting battery metals from seafloor polymetallic nodules, said it had together with its strategic partner and shareholder, Allseas, completed the deployment and wet-test commissioning of their pilot robotic nodule collector vehicle at the Port of Rotterdam…

Offshore installation and decommissioning contractor Allseas has removed the Ninian Northern jacket in the North Sea in a single lift, showcasing its new jacket lifting system installed aboard its giant Pioneering Spirit vessel.In what was the first deployment of the new jacket lifting technology, Pioneering Spirit removed CNR International’s Ninian Northern jacket from the northern North Sea and transported it intact to shore for recycling.Weighing in at 8100 tonnes, the first commercial lift with Pioneering Spirit’s Jacket lift system (JLS) is one of the heaviest offshore jackets lifts ever…

Edward Heerema is founder and president of Allseas, which brought the world’s largest construction vessel, Pioneering Spirit, to the market. The company, which also brought innovation to the pipelay sector, has added its latest trick to Pioneering Spirit – its jacket lift system. But Allseas is also targeting deepsea mining and has its sights on the offshore wind market. Elaine Maslin caught up with Edward Heerema to find out more.The first time I met Edward Heerema was at the company’s offices in Delft, in the Netherlands.

The Metals Company (TMC), a company extracting battery metals from seafloor polymetallic nodules, said Friday its subsidiary NORI had signed a non-binding term sheet with its strategic partner and shareholder, Allseas to develop and operate a commercial nodule collection system. The system has a targeted production capacity of 1.3 million tonnes per year of wet nodules and expected production readiness by Q4 2024.According to TMC, formerly knowns as DeepGreen Metals, polymetallic nodules contain high grades of nickel…

Subsea technology company Seatools has delivered deep-sea mineral collection equipment for Allseas' Hidden Gem seabed mining ship.Seatools was responsible for the engineering, manufacturing, and qualification of the electronics, instrumentation, and hydraulics for Allseas’ pilot polymetallic nodule collection vehicle. The vehicle will be part of a pilot nodule collection test conducted by Allseas, which is scheduled to take place in 2022 in the Pacific Ocean.Allseas developed…

Classification society ABS said it has been selected to class a former drillship that is being converted to a subsea mining vessel.The industry-first project will see Allseas’ 228-meter Vitoria 10000, now renamed Hidden Gem, equipped with a deep-sea mineral collection system to recover polymetallic nodules from the ocean floor and transfer them to the surface for transportation to shore. The nodules contain high grades of nickel, manganese, copper and cobalt—key metals required…

The 228-meter-long former drillship Vitoria 10000, now renamed Hidden Gem, has this week arrived in Rotterdam, The Netherlands to start its conversion into a subsea mining vessel.The news of the vessel's arrival was shared by The Metals Company (formerly DeepGreen Metals Inc.) whose strategic partner Allseas acquired the Vitoria 10000 in March of 2020, as its configuration is well-suited for modifications that will enable the deployment at sea of a 4.5 kilometer-long riser to bring polymetallic nodules up from the seafloor.In partnership with The Metals Company…

Heerema Marine Contractors' giant semi-submersible crane vessel Sleipnir has lifted and installed the first new topside for TotalEnergies' Tyra redevelopment in the Danish North Sea.Noreco, TotalEnergies' partner in the project, shared the photos of the installation via social media on Tuesday."The world’s largest semi-submersible crane vessel Sleipnir, with an incredible precision, has now lifted off the first new Tyra topside and installed it on the jacket. This is an important step towards what will be a state-of-the-art facility in the North Sea…

Belgian offshore installation firm DEME Offshore said Thursday it had installed the first offshore wind substation in France, at the Saint-Nazaire offshore wind farm site. The installation of the 2,100-ton substation was carried out by Allseas' giant Pioneering Spirit vessel.This was also Allseas’ first job for the offshore wind industry, and it is the first “complete” installation job executed by Pioneering Spirit, as it installed the 50-meter tall supporting structure last weekend."The…

Marine minerals are coming under sharp focus offshore Norway. Analysts suggest it could be a $20 billion annual revenue industry by 2050, which is why many are taking an interest and developing the technology to make it happen. Marine mineral mining has been something of a slow burner in the wider marine world. It has some clear challenges, not least location and depth of these potential resources, but also concerns around its environmental impact.Yet it now appears to be coming into a distinctly sharp focus…