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Mantle8

companyNetherlands 4 mentions

Subsurface intelligence

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Projects

Mantle8 Subsurface Hydrogen Exploration
Validation of soil gas survey technology adapted from oil & gas exploration to locate underground natural hydrogen deposits in Australia.
completed 1 mention
Mantle8 Natural Hydrogen Exploration Programme
Mantle8's core initiative to explore and develop natural hydrogen resources in France using proprietary seismic imaging, geochemistry, and AI-driven modeling technologies. The programme includes pilot drilling campaigns in the Auvergne-Rhône-Alpes region.
planned 1 mention
Pilot drilling campaign
Series of exploratory wells planned for the Auvergne-Rhône-Alpes region to test natural hydrogen accumulation, reservoir pressure, flow rates, and longevity.
planned 1 mention
Projects
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Facilities

Mantle8 headquarters
1 mention
Facilities
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Products

Soil Gas Survey Technology
Novel technique adapted from oil & gas exploration to locate underground natural hydrogen deposits.
1 mention
Products
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Research studies

Natural hydrogen exploration in the Pyrenees
1 mention
Soil Gas Survey Technology for Subsurface Hydrogen Detection
1 mention
4D imaging of active natural hydrogen systems
1 mention
Research studies
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Often mentioned with · Technologies

Electrolysis
The process used to produce green hydrogen by splitting water using electricity.
2 mentions
Green Hydrogen
Hydrogen produced from renewable electricity sources, considered a critical component for hydrogen's long-term credibility as a clean fuel.
1 mention
Natural hydrogen production
Geological processes that generate dihydrogen through oxidation of iron-rich minerals in ultrabasic rocks or water-rock interactions deep underground.
1 mention
Technologies
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Often mentioned with · Locations

France
France
FR 1 mention
South Korea
South Korea
KR 1 mention
Pyrenees
Pyrenees
FR 1 mention
Locations
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Often mentioned with · Projects

French Green Hydrogen Production Project
Government-funded green hydrogen production project in France receiving €149 million grant. Site location not yet disclosed.
planned 1 mention
Hanwha Ammonia Cracking Project
Ammonia cracking project in South Korea using KBR's technology. Project details and specific location not yet disclosed.
planned 1 mention
Plug Power and Olin Hydrogen Liquefaction Plant
Hydrogen liquefaction facility in Louisiana commissioned by Plug Power and Olin Corp. Leverages both electrolysis and conventional hydrogen feeds such as steam methane reformers.
operational 1 mention
Projects
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Often mentioned with · Facilities

Plug Power and Olin Hydrogen Liquefaction Plant
1 mention
Mantle8 headquarters
1 mention
Hidrogenii 15 TPD Liquefaction Plant
1 mention
Facilities
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Often mentioned with · Products

Ammonia cracking technology
Proprietary technology that converts imported ammonia into clean hydrogen fuel by decomposing ammonia at high temperatures (700–900°C) and purifying the resulting hydrogen to levels exceeding 99.97% purity suitable for fuel cells and industrial applications.
1 mention
Soil Gas Survey Technology
Novel technique adapted from oil & gas exploration to locate underground natural hydrogen deposits.
1 mention

Often mentioned with · Research studies

Soil Gas Survey Technology for Subsurface Hydrogen Detection
1 mention
4D imaging of active natural hydrogen systems
1 mention
Scientific, legal and social acceptability of natural hydrogen exploration
1 mention
Research studies
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In the news (4)

Mantle8 Embarks with five-year award on Natural Hydrogen Exploration in the Pyrenees
Mantle8 is a Grenoble-based clean energy start-up focused on discovering and characterising underground natural hydrogen systems, aiming to supply low-cost, low-carbon hydrogen by identifying commercially viable reservoirs.[1][6][9] Founded in the mid‑2020s by geoscientist Emmanuel Masini, the company combines geology,
Natural Hydrogen Exploration Gains Momentum as Mantle8 Secures €31 Million Series A
French startup based in Sassenage near Grenoble focused on exploring geological sources of natural hydrogen trapped in the subsurface. The company combines seismic imaging, geochemistry, and AI-driven modeling to identify and develop natural hydrogen resources.
Hydrogen Infrastructure Expands Across Europe, Korea, and the U.S. with New Liquefaction, Electrolysis, and Ammonia Cracking Projects
Australian technology startup that validated soil gas survey technology adapted from oil & gas exploration to locate natural hydrogen deposits.
Record-Breaking Natural Hydrogen Discovery in the Pyrenees Puts Mantle8 on the Map
Mantle8 is a Dutch subsurface intelligence firm that specializes in locating natural hydrogen pockets using geophysical imaging and geochemical analysis. They have confirmed a record-setting concentration of naturally occurring hydrogen beneath the Pyrenees mountains in France.

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