Allseas advances offshore operations with hybrid-electric ROV fleet
Allseas is replacing its ROV fleet with Schilling eHD vehicles. The hybrid electric units work to 6,000 metres and can be piloted from shore.
TMC and Allseas Sign Commercial Agreement for the First Offshore Nodule Recovery Operation
TMC and Allseas signed a commercial agreement for the first offshore nodule recovery system, targeting commissioning in Q4 2027.
Greenpeace visits Allseas offices
Greenpeace protested at Allseas' offices over deep-sea mining, and Allseas defended its nodule collection work as sustainable.
Successful conclusion of pilot polymetallic nodules collection system trials on Allseas’ Hidden Gem
Key points Hidden Gem completed a two-month pilot nodule collection test in NORI-D in the Clarion Clipperton Zone, the first trial of a fully integrated collection system with riser in the CCZ since the 1970s, run by a 130-strong team. Production runs netted an estimated 4500 tonnes of…
Trial run concludes with record haul
Allseas and TMC concluded a two-month Pacific nodule pilot with a record 4,500-tonne haul from the Clarion-Clipperton Zone.
Allseas pilot nodule collection tests, Pacific, Oct 2022
Key points Allseas ran pilot nodule collection tests in the NORI-D area of the Clarion Clipperton Zone in the Pacific in October 2022. The tests covered Allseas’ nodule collector and its integrated systems. Equipment was deployed from Allseas’ surface collection vessel Hidden Gem.
First nodules surface after 4 kilometre journey
Allseas and partner TMC surfaced the first polymetallic nodules from the Pacific seabed, 14 tonnes in a one-hour run.
Sea trials of our nodule collection system on our vessel Hidden Gem
Key points Allseas tested its nodule collector during Atlantic ultra-deepwater sea trials, deployed from the mineral collection vessel Hidden Gem. The collector traveled more than 1 km at 2,500 m water depth, where pressure is about 250 times greater than at sea level, while critical…
Mineral collector deepwater tests concluded successfully
Allseas' Hidden Gem mineral collector passed deepwater tests at 2,500 m in the Atlantic, ahead of Pacific nodule trials.
Hidden Gem docking at Damen
Key points Hidden Gem, Allseas’ vessel equipped with deepsea mineral collection and transport systems, docked at Damen shipyards in the Netherlands.