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The Koloma Enigma

Mariël Reitsma, HRH Geology

November 10, 2025

The company describes itself as a technology-enabled exploration firm that leverages industry expertise, proprietary data, specialised exploration tools, and advanced data analytics to facilitate large-scale natural hydrogen production. Backed by…

Sometimes an old well is better than a fancy new one

Mariël Reitsma, HRH Geology

October 24, 2025

While there is always press around helium discoveries, companies that are actually producing it often go unnoticed. That doesn’t mean they don’t have interesting stories to tell. Canadian-based Thor Helium,…

Cuba – the next hydrogen hotspot?

Henk Kombrink

October 2, 2025

“I have concluded that this area should not be explored for oil, but for hydrogen instead. And I believe that the potential is colossal,” wrote Marcello Rebora in his email.…

A surge in exploration for natural hydrogen

Mariël Reitsma, HRH Geology

August 28, 2025

The global search for natural hydrogen is centered around a few hotspots, and the Timiskaming Graben in Canada is one of them. The graben is located on the Canadian Shield,…

Successful near-field helium exploration

Mariël Reitsma, HRH Geology

August 13, 2025

Blue Star Helium and joint venture partner Helium One, have successfully concluded a six-well development campaign at the Galactica project in Las Animas County, Colorado. The company reported positive results…

A large natural hydrogen gas accumulation or an aqueous hydrogen seepage with localised gas pockets?

Arnout Everts - AEGeo

August 5, 2025

The Bourakebougou (Bougou) field in Mali has made headlines as the “world’s first producing hydrogen field”. It has been described as a “large accumulation of hydrogen gas in carbonate and…

A helium reservoir in fractured basement

Mariël Reitsma, HRH Geology

July 7, 2025

In 2011, a borehole targeting nickel unexpectedly discovered gas. The gas flowed from the hole with such force that it reportedly ‘screamed like a jet engine’ for four days until…

If there was a hydrogen market, geological storage would not be the bottleneck

Mariël Reitsma, HRH Geology

June 19, 2025

To balance intermittent renewable energy generation with grid demand, green hydrogen can be produced and stored in the subsurface at times of surplus energy generation, and subsequently used to supplement…

Estimates of trapped hydrogen globally – a reality check

Arnout Everts, AEGeo

May 12, 2025

Over the last few years, there has been a continuous stream of news coverage on “ground-breaking natural-hydrogen discoveries.” A paper by Ellis and Gelman, published late last year, very much…

HyTerra hits hydrogen – but will it be like a soda going flat?

Mariël Reitsma - HRH Geology

May 7, 2025

Natural hydrogen exploration is currently a hot topic, but few companies have advanced from initial exploration to the drilling stage. HyTerra is one notable exception. This week, the company drilled…

Hydrogen exploration potential in Uruguay

Josefina Marmisolle, Cecilia Romeu, Santiago Ferro, Pablo Gristo, Juan Tomasini, Rodrigo Novo and Natalia Blánquez, ANCAP

April 28, 2025

Uruguay has completed the first phase of its energy transition; most electricity is now generated from renewable sources. For the second phase, the country has identified green hydrogen and its…

Iran to finally start producing helium

Mariël Reitsma, HRH Geology

April 8, 2025

Redrawn after IHS Energy and Google Earth. Iran is set to join the exclusive group of helium-producing countries. With the launch of its pilot project to extract and purify helium…

The global energy sector from a subsurface perspective

New Gas

The Koloma Enigma

Sometimes an old well is better than a fancy new one

Cuba – the next hydrogen hotspot?

A surge in exploration for natural hydrogen

Successful near-field helium exploration

A large natural hydrogen gas accumulation or an aqueous hydrogen seepage with localised gas pockets?

A helium reservoir in fractured basement

If there was a hydrogen market, geological storage would not be the bottleneck

Estimates of trapped hydrogen globally – a reality check

HyTerra hits hydrogen – but will it be like a soda going flat?

Hydrogen exploration potential in Uruguay

Iran to finally start producing helium

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