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The global energy sector from a subsurface perspective

North America

Titanic effort in ultra deep waters off Newfoundland

Peter Elliott - NVentures
ExxonMobil, with partner QatarEnergy, is drilling the Persephone (C-54) wildcat offshore Canada’s Labrador and Newfoundland coast. This new frontier wildcat is testing a number of conventional clastic reservoirs in rifted…

Riedel shears, my favorite kinematic indicator

Molly Turko - Devon Energy
Riedel shears are commonly the first set of subsidiary faults we see prior to the breakthrough of a master fault. They form systematically at an acute angle (~10-20°) to the…

Don’t forget to look deeper

Molly Turko and Alex Biholar - Devon Energy
As oil and gas geoscientists, we often focus on the reservoir we are targeting. Seldom do we consider what might be happening deeper, especially in basement rocks. However, what happens…

The economics of geothermal pumped well power projects

Elliot Yearsley
Geothermal pumped well projects provide power to the grid at a contract price and terms negotiated with the power off-taker. This can vary significantly from country to country, but as…