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The global energy sector from a subsurface perspective

North America

The Athabasca oil sands

Henk Kombrink
Recent governments in Canada have not been particu­larly supportive of the oil industry, which mainly concentrates in Alberta. Some people are even actively contemplat­ing separation from the Canadian federation and…

Flame structures

Ali Jaffri, Applied Stratigraphix
Outcrops remind us of the risks of applying a layer-cake approach to correlating well data. Turbidite lobes pinching out, channels abruptly transitioning to floodplain deposits or carbonate platforms only developing…

A surge in exploration for natural hydrogen

Mariël Reitsma, HRH Geology
The global search for natural hydrogen is centered around a few hotspots, and the Tim­iskaming Graben in Canada is one of them. The graben is locat­ed on the Canadian Shield,…

Successful near-field helium exploration

Mariël Reitsma, HRH Geology
Blue Star Helium and joint venture partner Helium One, have successfully conclud­ed a six-well development campaign at the Galactica project in Las Animas County, Colorado. The company reported positive re­sults…

Ripples and plane beds

Ali Jaffri, Applied Stratigraphix
The Cutoff Formation, currently exposed in the Guadalupe Mountains in Texas, USA, was deposited over a drowned shelf margin in Permian times. The name of the formation is derived from…

A helium reservoir in fractured basement

Mariël Reitsma, HRH Geology
In 2011, a borehole tar­geting nickel unexpect­edly discovered gas. The gas flowed from the hole with such force that it reportedly ‘screamed like a jet engine’ for four days un­til…

Back on the shelf

Henk Kombrink
As TotalEnergies is moving ahead developing its deep-water discoveries in Block 58 in Suriname waters, there is a drive to discover more resources nearby. And rather than focusing on deep…

“Almost every foot of rock has oil in it”

Henk Kombrink
For those people who don’t work in the US onshore oil sector, names such as the Permian and the Appalachian may still sound familiar, as it is these basins that…