Gold Hydrogen Records 1,220 ppt Helium-3 at Ramsay, Oxford University Confirms

Manish Choudhary

11 November 2026 12:32 PM AEDT

Gold Hydrogen Records 1,220 ppt Helium-3 at Ramsay, Oxford University Confirms

Image Source: Krish Capital Pty Ltd

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Gold Hydrogen Limited (ASX:GHY) has disclosed that Oxford University's specialist noble gas laboratory confirmed Helium-3 concentrations of up to 1,220 ppt (Argon-corrected) in all six gas samples collected during the 2026 Ramsay 1 and Ramsay 2 flow tests at the Ramsay Project (PEL 687) on the Yorke Peninsula, South Australia.

Key Points

Helium-3 confirmed in all six gas samples analysed by Oxford University from Ramsay 1 and Ramsay 2 flow tests
Concentrations of up to 1,220 ppt (Argon-corrected) represent up to 165 times atmospheric concentrations of 7.3 ppt
The 1,220 ppt result is approximately 35% higher than the previous maximum of 901 ppt reported from Ramsay 1 samples analysed by Oxford University in 2024
Helium-3 was identified in the same gas stream as the company's Helium discovery, which recorded average sustained air-corrected Helium concentrations of approximately 15.2% across three wells
Ramsay 3 gas samples remain under analysis by Oxford University, with results to be reported when received

Helium-3 Isotope Identification at Ramsay 1 and Ramsay 2

Oxford University's specialist noble gas laboratory confirmed Helium-3 in all six gas samples collected during sustained flow testing of Ramsay 1 and Ramsay 2, with results of up to 1,220 ppt on an Argon-corrected basis. The filing states that the 1,220 ppt result is approximately 35% higher than the previous maximum of 901 ppt recorded from Ramsay 1 samples analysed by Oxford University in 2024. Helium-3 was identified in the separated raw gas stream during sustained flow testing, confirming its presence in gas successfully brought to surface. The company disclosed that technology is emerging to separate Helium-3 from Helium gas streams.

Ramsay Project Flow Testing Campaign Results

Gold Hydrogen disclosed that the 2026 Ramsay flow testing campaign was completed across Ramsay 1, Ramsay 2 and Ramsay 3 in under three months. The company stated the campaign demonstrated a connected and highly productive Helium-bearing reservoir extending approximately 2.2 kilometres. Sustained air-corrected Helium concentrations of approximately 19% at Ramsay 1 and 20% at Ramsay 2 were recorded, with an average of approximately 15.2% across all three wells. Gross fluid production rates of up to approximately 14,000 barrels per day were recorded at Ramsay 3, with Productivity Indexes of approximately 34–40 barrels per day per psi. Natural Hydrogen concentrations of up to 97% (air-corrected) were recorded at Ramsay 3.

Helium-3 Applications and Reported Indicative Value

According to the filing, Helium-3 is a stable, non-radioactive isotope of Helium described as extremely rare on Earth, with terrestrial supply currently obtained almost entirely as a by-product of the radioactive decay of tritium associated with nuclear weapons and certain nuclear reactor programs. The filing states Helium-3 has applications in quantum computing and cryogenics, neutron detection and national security, medical imaging and research, and fusion energy. Reported indicative values of approximately US$18 million per kilogram are cited in the filing, depending on purity and market conditions. The company stated next steps include progressing the maiden Helium Contingent Resource assessment and modular Helium plant development.

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