Northern Viking Graben
Mitigate near-field risk in the Northern North Sea with a new dual-azimuth volume
CGG has a consistent regional dataset in the Northern North Sea (Norway and UK sectors) of more than 44,000 km2 high-quality PSDM data. Adding to this extensive data library, CGG has acquired approximately 26,000 km2 of East-West 3D data in order to provide a dual-azimuth volume over the NVG survey from the 2020-2022 seasons. The new survey includes a 1,900 km2 sparse node patch West of Oseberg for additional insight.
The existing North-South data set will be reprocessed entirely, and together with the new survey, will create a dual-azimuth volume to:
- Identify and de-risk near-field exploration targets
- Aid maturation of stranded discoveries towards development
- Enhance the imaging of multi-directional fault patterns
- Provide improved resolution to resolve complex reservoir stratigraphy

NVG Dual Azimuth
New East-West acquisition is being combined with a full reprocessing of the underlying NVG North-South data to generate a dual-azimuth seismic data set.


The composite seismic line is taken from the new Northern Viking Graben dual-azimuth dataset revealing uplift (after) from the legacy dataset (before)


Comparison of 2018 single-azimuth Q-PSDM (before) and 2021 dual-azimuth final (after).
Featured Article: De-risking Prospects in the Northern North Sea
Read our article in Geo Expro to learn how new CGG seismic coverage and high-quality dual-azimuth data over the Northern Viking Graben reveal crucial details for optimizing production and supporting near-field exploration in the region.

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