Greater Castberg
Why Greater Castberg?
Located in the Barents Sea, the Greater Castberg survey is ideally situated to take advantage of new opportunities near the Johan Castberg field. Surrounding this development is several recent discoveries, and with the remaining exploration potential in this area of the Barents Sea, the Greater Castberg project delivers a high-tech, bespoke seismic imaging solution for the region.
In May 2022, Equinor, in partnership with Vår Energi and Petoro, announced a 30-50 million oil discovery in the Snøfonn license over an area covered by the Greater Castberg 3D survey. This exciting discovery is considered one of several discoveries yet to come through knowledge derived from our seismic.
Our Data Coverage
Our Data
Our 3D survey was acquired in 2019 in cooperation with CGG using the TopSeis™ split-spread solution which offers modern high-resolution data.
This approach has confirmed crucial shallow targets in the Barents Sea revealing geological details not resolved by conventional methods. It has enabled field delineation and enhanced imaging of the Johan Castberg Field and exploration targets in the Bjørnøyrenna Fault Complex west of the Loppa High.
- 5,168 km2 PSDM data
- TopSeis™ split-spread configuration with five wide-towed sources above the spread
- Additional source on the streamer vessel to provide long-offset data for FWI and deep imaging
- Superior reservoir imaging with rich near offsets, high trace density and low noise
- Time-lag Q-full-waveform inversion (TL-QFWI)
- Unique, detailed velocity model and well calibration
- Enhanced reservoir characterization with high-quality AVO information
- Verification of AVO compliance at key processing stages
- One-stop data set providing excellent delineation of targets from shallow to intermediate depths
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