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The global energy sector from a subsurface perspective

Technology

4D Seismic – Status and Future Changes Part II: Future Challenges

Lasse Amundsen and Martin Landrø
Seismic monitoring is an important technology in the effective exploitation of reservoirs in existing fields. The successful further uptake of 4D technology requires extensive training of dedicated personnel, while the…

Free At Last

GEO ExPro
Shedding burdensome and restrictive cables, seismic sensors are now free to roam the land reducing cost, health, safety, and environmental concerns in obtaining quality full-wave, 3-D data. Free At Last

The Luva Gas Field: Detailed Analyses Reveal Subtle Anomaly

Halfdan Carstens
This case study from the Luva gas field in the Norwegian Sea clearly demonstrates the potential of controlled-source electromagnetic (CSEM) technology for hydrocarbon exploration purposes. The example also illustrates the…

Visualising the subsurface: from 2D to 3D

Jane Whaley
“Improved resolution and clarity in remote sensing satellite imagery helps geoscientists to build models in hostile terranes, not only of the surface of the earth, but also the subsurface.” Visualising…

Market Update

GEO ExPro
Driving home the repeatability, CGG wins SEG Award, Finding Oil without a Drilling Rig, New Portable Log Scanner, Traces of Gas, The Sub-Salt Imaging Challenge, Meeting Challenges Head On Market…

Bridging the Gap between Reservoir and Seismic

Mike Branston, NORSAR innovation
New modelling package SeisRoX uses rapid simulation of PSDM to aid seismic reservoir characterisation and monitoring. Bridging the Gap between Reservoir and Seismic

Microscopic Fossils Help Steer the Drillbit

Håvard Selnes, Applied Petroleum Technology (APT AS)
Biosteering – guiding the drillbit using microscopic fossils – has proved to be a useful technique when drilling in complex reservoirs. Examples from the Norwegian Sea demonstrate how the biostratigrapher…