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Updated: Jan 23, 2026

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Published on: March 10, 2023
The relationship between natural hydrogen flow rates and production viability
Dieter Franke1, Peter Klitzke2, Meike Bagge2
1Bundesanstalt für Geowissenschaften und Rohstoffe (BGR) , Hannover, Germany. Dieter.Franke@bgr.de.
Economically viable natural hydrogen extraction from underground reservoirs is uncertain. Most natural hydrogen flow rates are too low for commercial success, making self-replenishing systems unlikely.
Area of Science:
- Geochemistry
- Energy Resources
- Earth Science
Background:
- Molecular hydrogen (H₂) occurs naturally at low concentrations globally.
- The commercial recoverability of underground natural hydrogen is largely unknown.
- Two conceptual models exist: self-replenishing and accumulation systems.
Purpose of the Study:
- To assess the potential for commercially viable natural hydrogen extraction.
- To compare natural H₂ flow rates with economic thresholds for H₂ projects.
Main Methods:
- Compiled and harmonized global data on H₂ flow rates, flux, and concentrations.
- Analyzed data from various natural sources like seeps, springs, mines, and wells.
- Compared observed flow rates to production outputs of natural gas wells and modelled H₂ projects.
Main Results:
- Observed natural H₂ flow rates range from 10⁵ to 10⁷ cubic meters per year (m³/yr).
- Commercially viable rates require at least 10⁷-10⁸ m³/yr.
- Sustained high-purity production for 20-30 years is typically needed for commercial success.
Conclusions:
- Economically recoverable natural hydrogen from self-replenishing systems is unlikely.
- Accumulation systems may offer more potential, but require further investigation.
- Current natural H₂ flow rates generally do not meet commercial viability criteria.
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