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In pictures: Allseas concludes deepsea mining trial with 4500 tonnes of nodules

In pictures: Allseas concludes deepsea mining trial with 4500 tonnes of nodules

by Mariska Buitendijk | Nov 15, 2022 | Deepsea mining, News, Offshore

Allseas’ Hidden Gem is heading for port with its hold full of polymetallic nodules following the completion of a two-month deepsea mining test programme in the Pacific Ocean. It is the first time a fully integrated nodule collection system including riser has...
How TMC monitors the environmental impact of nodule collection trials

How TMC monitors the environmental impact of nodule collection trials

by Mariska Buitendijk | Nov 3, 2022 | Deepsea mining, Maritime research, News, Offshore, Ship conversion/refit

In October, Allseas’ production vessel Hidden Gem collected the first polymetallic nodules from four kilometres below the sea’s surface in the Clarion-Clipperton Zone. NORI, a subsidiary of Allseas’ partner The Metals Company (TMC), is now tasked...
VIDEO: Allseas’ Hidden Gem collects first nodules from 4 kilometres below the sea’s surface

VIDEO: Allseas’ Hidden Gem collects first nodules from 4 kilometres below the sea’s surface

by Mariska Buitendijk | Oct 18, 2022 | Deepsea mining, News, Offshore

Mineral-rich polymetallic nodules have arrived on board Allseas’ production vessel Hidden Gem following successful initial pilot collection runs in the Pacific. The collector vehicle amassed more than 14 tonnes of nodules during a one-hour collection run at 4380...
[VIDEO] Conversion of Allseas’ Hidden Gem into deepsea mining vessel in full swing

[VIDEO] Conversion of Allseas’ Hidden Gem into deepsea mining vessel in full swing

by Mariska Buitendijk | Nov 9, 2021 | Deepsea mining, News, Ship conversion/refit

Allseas is currently converting the former 228-metre drill ship into its first polymetallic nodule production vessel Hidden Gem. Works include installation of the vessel’s launch and recovery (LARS) system. Allseas’ engineers designed the system to safely deploy...
Seatools to supply crawler equipment for Allseas’ deepsea mining project

Seatools to supply crawler equipment for Allseas’ deepsea mining project

by Mariska Buitendijk | Jan 22, 2021 | News

Subsea technology company Seatools will deliver the electrical, hydraulic, and control system for Allseas’ deepsea mining nodule collector. The project is part of Allseas’ development programme to realise advanced deep-water equipment for the gathering of polymetallic...

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