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The global energy sector from a subsurface perspective

Europe

Carboniferous-Permian erosive contact, Kowala Quarry, Poland

Karol Jewuła, Bizon Geological Consulting
A spectacular erosive contact between Permian continental conglomerates and Lower Carboniferous marine strata can be observed at the Kowala Quarry in the Świętokrzyskie Mountains, Poland, situated in the southeastern part…

How spreading rates determine your exploration strategy

Ronny Setså
Mapped sediment thicknesses at two segments along the Mohns Ridge. Sediment thickness serves as an indicator of the age of the underlying lava flows. Illustration: Stubseid et al. 2024, Nature…

Bacterial life is everywhere in the subsurface

Henk Kombrink
Elsemiek Croese. Photography: Elsemiek Croese private archive. “Let’s put it this way,” says Elsemiek Croese from Microbial Analysis, “one of the key ingredients of life is water. In that light,…

Tectonically-influenced carbonate platform, Greece

Arve Lønøy, Lonoy Geoconsulting
A Pliocene carbonate platform (Rhodos Formation) is exposed in the NE part of the isle of Rhodes, Greece. Sedimentation was largely controlled by faulting relating to a late Pliocene or…

On drift

Henk Kombrink
When we meet on Teams on a morn­ing in March, F. Javier Hernández- Molina is calling in from his office in Granada, Spain, where he works at the Andalusian Earth…

The well listeners

Henk Kombrink
Karol Jewuła. “ I recently gave a talk in Kuala Lum­pur,” says geologist and pore pressure specialist Karol Jewuła, “for which I made an overview of drilling-related issues with wells…

How we become geologists

Juan Cottier, MMbbls Subsurface Consulting
Q: How do you know if someone is from the Isle of Man? A: Because they insist on telling you every five minutes! Every geologist has a story as to…

Preventing scaling in geothermal production wells

Henk Kombrink
The Munich area in Germany is lucky when it comes to its geo­thermal potential. There is a good Upper Jurassic car­bonate reservoir at the right depth, and the water com­position…

“You need some chaos to thrive as a company”

Henk Kombrink
“Let’s get this straight,” Benoît Matha says at the start of our conversation on a Friday morning in February, “the subsurface upstream business is not a big data environment.” It…