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The global energy sector from a subsurface perspective

Europe

When your oil reservoir turns out to be a lithium deposit

István Nagy-Korodi, Consulting Geologist
As the global energy transition accelerates, the demand for critical raw materials (CRMs) is rising at an unprecedented pace. The list of elements essential for modern technol­ogies – from lithium…

Denmark to embark on an innovative geothermal drilling project

Louise Broen Larsen, Mads Sylvest Eegholm, Nikolaj Holmer Nissen, Camille Hanna, and Kim Gunn Maver, Green Therma
Green Therma, in collaboration with Aalborg Forsyning (the local utility company), is cur­rently preparing to drill a single well to deliver geothermal heat directly to Aalborg’s district heating network. While…

A sense of urgency

Henk Kombrink
While people in Bolivia easily spend two days queuing up at fuel stations these days – the country has very quickly turned from an exporter to a net importer of…

Dead oil traces in a lonely pebble bed

Henk Kombrink
Where most explora­tion activity on the UK Continental Shelf took place in the North Sea, and later along the Atlantic Margin west of the Shet­land Islands (WOS), it is good…

EMGS in troubled waters

Henk Kombrink
Yesterday, I was browsing through some of the early GEO EXPRO magazines when I stumbled upon an article written by Halfdan Carstens 20 years ago. He had interviewed the two…

Pasties, piskies, pegmatites… and Pliny

Juan Cottier, MMbbls Subsurface Consulting
Britain has strong, quiet, an­cient communities on its fur­ther reaches: Norse Shetland, Gaelic and Doric Scotland, Wales, the Isle of Man, and Cornwall at the southwest tip. All connected by…

Seabed mapping – let AI do the work

Henk Kombrink
“I spent days, if not weeks, trawling through high-resolution photos,” a geoscientist from an oil and gas company re­cently told me. Why did he do that? He carried out this…

Are deep closed-loop geothermal systems doomed?

Henk Kombrink
“Claims of universal geographical scalability of Closed Loop Geothermal Systems (CLGS) in power generation at competi­tive prices are not supported by simulation results,” is what the authors conclude in a…

The master of near-field exploration

Henk Kombrink
When thinking about exploration geology in the oil and gas sec­tor, most people will envisage going to places unknown, map the big bumps, and get them drilled. That’s not how…