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Northern Viking Graben

Mitigate near-field risk in the Northern North Sea with 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 commenced the 2022 season of its Northern Viking Graben dual-azimuth 3D survey, covering approximately 11,000 km2 of new data in an East-West direction and expanding on the 13,900 km2 of East-West data from the 2020-2021 seasons. The new survey will include 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

In addition, a node survey has also been completed west of the Fram field to deliver an exciting new data set to evaluate the imaging benefits and aid in the design of future surveys.

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. 

Comparison of 2018 single-azimuth Q-PSDM (before) and 2021 dual-azimuth final (after).

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