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The global energy sector from a subsurface perspective

Technology

Towards a new era

Halfdan Carstens
Sea Bed Logging is a new technology that offers the opportunity to detect trapped hydrocarbons in the subsurface prior to drilling. Shell EP has recently conducted a number of very…

Market Update

GEO ExPro
Moving forward – fast, Low-impact Seismic, Marketing Agreement, Inventing a New Device for S-Wave Generation Market Update(1)

Central Utah Thrust Belt: Tectonics of a New Exploration Province

Rasoul Sorkhabi and Greg Nash, Energy & Geoscience Institute (EGI), University of Utah, Salt Lake City
The recent discovery and development of the Covenant oil field by Wolverine Oil & Gas Corporation in the Central Utah fold-and-thrust belt opens a new exploration province in North America,…

Quantum leap for seismic

Halfdan Carstens
The introduction of Q-Marine* technology a few years ago has given WesternGeco a competitive edge, the company claims. In the Oslo Technology Centre they are proud of having been crucial…

Remote Sensing – The Rise of the Virtual Geologist

Jane Whaley
Over the years remote sensing has developed from an obscure and expensive experiment to an essential and cost effective tool in the search for hydrocarbons, particularly in remote and inaccessible…

Episodic Global Tectonics: Sequence Stratigraphy Meets Plate Tectonics

Ashton Embry, Geological Survey of Canada, Calgary
Based on recent advances in plate tectonics, sedimentology and sequence stratigraphy, I suggest that the Earth is affected by relatively short-lived episodes of increased tectonic activity separated by longer intervals…

AVO responses: The good, the bad and the evil

Per Avseth, Norsk Hydro Research Center
AVO analysis provides the geologists with a powerful tool that give information about pore fluids, lithologies and reservoir pressures. However, AVO signatures can easily be misinterpreted without a proper feasibility…

Sand intrusions reveal increased reserves

Halfdan Carstens
Highly permeable sand bodies injected into low permeability shales may provide additional reserves to existing discoveries and fields if properly recognized. Such sandstones, a product of postdepositional remobilisation, may also…