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The global energy sector from a subsurface perspective

Geology & Geophysics

Subsurface exploration by plane

Jonathan Watson, Metatek
Data, particularly information about subsurface geology, is key to successfully exploiting natural resources, be they mineral, hydrocarbon or renewables such as geothermal and natural hydrogen. Especially in Africa, where large…

Deep-water Delaware

Jacob A. Covault
The featured photo shows a road cut in the Permian (Guadalupian) Brushy Canyon Formation off US Highway 62/180 in the foreground. The west-facing exposure, with the Delaware Mountains in the…

Translating and expansional McMurray point bars

Marcos Asensio
In the captivating world of sed­imentary geology, point bars offer a window into the dynamic processes sculpting fluvial and near-coastal landscapes. The classical model of (expansional) point bars is best…

What can resistivity tell you about your prospect?

Daniel Baltar, EMGS
Over the last few years, significant advance­ments have been made in the field of seismic quality, fundamentally transforming the landscape of geological explo­ration. The increase in bandwidth coupled with improved…

Strike-slip kinematics for pop-ups and pull-aparts

Molly Turko - Devon Energy
Pop-ups and pull-aparts, re­leasing- and restraining-bends, positive- and negative-flower structures. These are the vari­ous names given to the little, and big, structures that develop along strike-slip faults. They often form…

Oman – beneath the surface

Madeleine Slatford, NVentures
Much has been written, including in this mag­azine, about the fan­tastic outcrop geology of Oman, the wonderful exposure, the preservation of salt at surface in the arid climate, and the…

Uncertainty – the most important result of basin modelling

David Rajmon, Consulting Geologist
I have long wanted to write about uncertainties in basin modelling. Despite their general acknowledgement, they are commonly underestimated due to various biases and psychological pressures. Explorationists sometimes live in…

The cream of the outcrop

Arndt Peterhänsel and Maggie Murison - TRACS Training
This panorama shows an Upper Miocene succession, la Rambla de Lanujar, in the Betic Cordillera, featuring in one of our field trips to Tabernas, Almería, Spain. Apart from being a…

Peat: So hot right now

Henk Kombrink
“The offshore wind sector is still very much a geotechnical exercise”, I was told recently by someone with knowledge on the matter. “But that model is due an update.” Despite…

Riedel shears as kinematic indicators

Molly Turko - Devon Energy
In the previous article in this series, we discussed that Riedel shears are commonly the first set of subsidiary faults we see prior to the breakthrough of a master fault.…