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The global energy sector from a subsurface perspective

Geology & Geophysics

Marine Site Investigation and Reducing Risk

Mark E. Vardy, SAND Geophysics
The evolving role of seismic reflection data within offshore site investigation. Marine site investigation is, at heart, about reducing risk. Sometimes it involves minimizing the risk to operations posed by…

Who Needs Geoscientists?

Mike Simmons, Andy Davies, Andy W. Hill and Mike Stephenson
At the time of writing, the world is enduring the effects of the Covid-19 pandemic, and the global economy is struggling. Nonetheless, we should look ahead to a brighter future…

Are Carbonate Reservoirs ‘Difficult’?

Trevor Burchette, Carbonate Reservoir Geoconsulting Ltd and Royal Holloway, University of London
Up to 60% of the world’s conventional petroleum is reservoired in carbonate rocks – but they are often regarded with apprehension by the industry. Despite their reputation, carbonate reservoirs are…

Seismic Data Collection Using Vibroseis Technology

C. Jason Criss, INOVA Geophysical
The modern vibroseis is a complex, delicately tuned machine. The shaking gets translated into seismic data to provide insights into the subsurface for oil, gas and resource exploration. An 80,000…

Advancing Geophysical Interpretation in Oil and Gas Exploration

Gehrig Schultz, Chris Tucker and Kirsty Simpson; EPI
Geophysics must change – but it must also remain meaningful. “Geophysical data are a part of everything that we do,” Stephen Greenlee, president of ExxonMobil Exploration Co., told a roomful…

An Introduction to Geomechanics

Jane Whaley
Geomechanics is the study of how subsurface rocks deform or fail in response to changes of stress, pressure and temperature and it is becoming increasingly important in oil and gas…

Artificial Intelligence and Seismic Interpretation

James Lowell, Peter Szafian and Nicola Tessen; Geoteric
The key to all seismic interpretation is the interpreter’s experience and knowledge, so why should artificial intelligence change that? The reality is, it shouldn’t. Figure 1: Exmouth Basin section with…

The Future of Marine Seismic Acquisition

Ed Hager, Polarcus
Some thoughts on the future of marine towed streamer seismic acquisition for offshore oil and gas exploration. Polarcus XArray™ Triple source acquisition. © Polarcus. Seismic acquisition and exploration technology have…

One Step Closer to Fully Automated Fault Extraction in 3D Seismic Data

Sven Philit, Fabien Pauget, Sebastien Lacaze; Eliis, Caroline Guion; Eliis Inc.
To boldly go where no interpreter has gone before To Boldly Go Where No Interpreter Has Gone Before The Last Frontier in Seismic Interpretation: Automatic Fault Detection The Exmouth Basin…

Earthquake Research Beneath Mount Manaslu

GEO ExPro
A Minute to Read: Following the devastating Gorkha earthquake that shook Nepal in 2015 there has been an intensification of earthquake research on and beneath Mounth Manaslu. Manaslu (8,163m), the…

Improving Geological Understanding of the North Sea

Joya L. Tetreault, Carsten Elfenbein and Tomas Kjennerud; Exploro Geoservices
Why do we need a regional stratigraphical framework for the North Sea? The UK-Norway North Sea is a mature basin both in terms of petroleum exploration, data availability and geological…