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The global energy sector from a subsurface perspective

Worldwide

Creating a source rock and storing it for good

Henk Kombrink
“We started as a project when Swiss supermarket concern Migros wanted to find a solution to process its food waste in a carbon-neutral way,” says geologist Tim Baars from Recoal.…

The E&P industry of the future

Rachael Moreland, VP Global Energy Software & Innovation Lead
An industry in transition or transformation? The upstream E&P sector has faced challenges over the last decade, including a downturn, the energy transition, and COVID-19. The industry is resilient but…

Estimates of trapped hydrogen globally – a reality check

Arnout Everts, AEGeo
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…

Fresh water in deep-marine sandstones – how come?

Henk Kombrink, with contributions from Brian Frost, Juan Soto, Neil Hodgson, Duncan Wallace, Benoît Hauville and John Cater
“A famous example of anchoring is finding a high resistivity anomaly on a structure in a deep-water turbidite play and assuming it can only be pe­troleum related,” wrote exploration geologist…

Deciphering Earth’s secrets

Molly Turko - Devon Energy
Faults on geolog­ical maps are far more than just lines; they are a critical form of communication, conveying essential infor­mation about the Earth’s subsurface structure and tectonic history. Central to…

Subsurface noise, Issue 2, 2025

Henk Kombrink
THE EARLY DAYS OF SUBSURFACE MODELS I recently spoke to a geologist who was heavily involved with the introduction of the first generations of reservoir modelling software. He told me…