Gold Hydrogen (ASX:GHY) will progress its maiden helium contingent resource assessment after Oxford University detected helium-3 in all six Ramsay gas samples.
The samples came from 2026 flow tests at the Ramsay 1 and Ramsay 2 wells at the Ramsay Project (PEL 687) on South Australia’s Yorke Peninsula.
Argon-corrected helium-3 reached up to 1,220 parts per trillion (ppt) in the Ramsay 2 Hiltaba Basement test, about 165 times the atmospheric level of 7.3ppt.
Results ranged 504–534ppt at Ramsay 1 and 853–881ppt in the Ramsay 2 Kulpara Dolomite test. The peak is roughly 35% above the 901ppt reported from Ramsay 1 in 2024.
The company collected the samples from the separated raw gas stream during sustained flow testing.
Helium-3 sits in the same stream as the helium discovery, which averaged about 15.2% air-corrected helium across three wells.
Managing Director Neil McDonald says the find may widen the project’s commercial scope beyond its primary helium target.
“The identification of helium-3 in the same gas stream as our helium potentially adds an entirely new dimension to our commercial opportunities at Ramsay,” McDonald says.
The company cites indicative helium-3 values of about US$18 million ($26 million) per kilogram, with applications in quantum computing, nuclear fusion, national security, and medical research.
It cautions that no established market price exists, and helium-3 is not included in any prospective or contingent resource estimate.
Separation requires specialised cryogenic technology that has not been demonstrated at Ramsay.
Ramsay 3 samples remain under analysis at Oxford University, and the Commonwealth Scientific and Industrial Research Organisation (CSIRO) analysis program is pending.
The company plans to engage technology providers on separation and targets the independent contingent resource assessment for November 2026, subject to technical work. It will also advance modular helium plant design and procurement planning.
Gold Hydrogen is an Australian energy explorer advancing a portfolio of natural hydrogen and helium assets across South Australia.
Write to JC Villarba at Mining.com.au
Images: Gold Hydrogen
