Response to feedback from Mark McClure
Last week, we published the latest contribution from Elliot Yearsley, in which he discusses the lack of published well test data to support the claims made by Fervo about their…
Geothermal
The reservoir will always have its final say
With 500 Megawatts (MW) of plant capacity in construction for their flagship geothermal project at Cape Station, Utah, one might think that Fervo had already answered the questions on the…
Why high oil prices can also be a bad thing for the energy transition
Signhild Gehlin A lot can happen in two years. That’s how long it is since I spoke to Signhild Gehlin, CEO at the Swedish Geoenergy Centre (read our previous interview…
No B without A
In oil and gas, production is influenced by market demand, but it remains relatively decoupled from end-use consumption – you produce hydrocarbons, sell them, and the relationship between producer and…
Cape Station and the case of the missing reserves report
In a press release dated June 10 2025, Fervo Energy announced a reserves report by DeGolyer & MacNaughton (D&M), which they say confirms that the Cape Station project can support…
The low productivity of enhanced geothermal systems
Fervo Energy operate the world’s most well-funded Enhanced Geothermal Systems (EGS) project at Cape Station, Utah, and have published well test results from which the Productivity Index can be estimated.…
The critical role of cement
In January this year, during a presentation at the Canadian Energy Geoscience Association (CEGA), Eavor’s VP Drilling Performance, Mark Hodder, shared some insights on the drilling aspects of the Geretsried…
Eavor stepping away from operator role in Geretsried
Fair play. I have published about Eavor before, and I’ve been critical not only of the level of secrecy surrounding the company and its operations, but also of the concept…
United Downs – it is too early to uncork the bottle
Maybe it is because I am connected with Ryan Law on LinkedIn, but the number of posts about the success of the United Downs geothermal project was unstoppable for a…
Has enhanced geothermal been proven at scale?
A few days ago, Fervo published production data from their geothermal Project Red in Nevada that answers some of the questions posed in previous GeoExpro articles. However, it also raises…
Slim is smart
“Why drill 150 mm when 120 mm will do?” That simple question sparked an ongoing discussion between Bruce and his son Ryan Gatherer. Bruce has spent more than 35 years…
From the shores of Lake Geneva to NEOM in Saudi
Nicolas de Varreux. “What are you doing?” Nicolas de Varreux asked his neighbour in Switzerland when a drilling rig rolled into his garden back in the summer of 2005. He…