Norwegian Sea
The Norwegian Sea continues to prove itself as a world-class petroleum province. With annual APA licensing rounds keeping acreage accessible and recent discoveries confirming significant running room across multiple play types, the region remains active for exploration. TGS has the seismic coverage and imaging expertise to help operators move confidently across both mature and frontier areas.
Advancing Norwegian Sea Exploration
TGS has been at the forefront of seismic exploration in the Norwegian Sea since acquiring the first 3D GeoStreamer survey in the Halten Terrace area in 2011. Since then, TGS has conducted numerous acquisitions and data rejuvenations, building a substantial portfolio of high-end broadband 3D seismic data. Seven of the 13 discoveries made in Norway in 2020 were covered by GeoStreamer data, underscoring the role of advanced seismic acquisition in successful exploration.
TGS is a global leader in advanced imaging techniques for volcanic basins and intra- and sub-basalt targets, developed through initiatives including the Sub-basalt Imaging Research project and the AM20 Laboratory. In 2022, TGS introduced GeoStreamer X technology to the Norwegian Sea to address imaging challenges for deep and shallow complex targets, helping operators make more informed decisions on prospect ranking and development strategies. Open blocks remain available for current and future APA licensing rounds.
Data Highlights
TGS offers a wide range of multi-client seismic data products for the Norwegian Sea.
- GeoStreamer X: More than 20,000 square kilometers of dual azimuth data targeted for infrastructure-led exploration and appraisal.
- GeoStreamer PURE: More than 40,000 square kilometers of broadband 3D seismic across a prolific fairway.
- Atlantic Margin: More than 60,000 square kilometers of 3D multi-client seismic data delivering significant imaging improvements for volcanic and intra-/sub-basalt targets.
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Geology
Recent discoveries including Othello South, Smørbukk Midt, Vidsyn, Tyrihans East on the Trøndelag Platform and Haydn in the Vøring Basin confirm the Norwegian Sea's continued exploration potential. TGS coverage spans play models from mature infrastructure-led exploration across the Halten and Dønna terraces to less mature areas of the Vøring/Møre Basins and Atlantic Margin. Historically focused on Jurassic sandstone reservoirs in structural traps, improved seismic quality over the past decade has shifted attention toward deep-marine clastic fan systems and stratigraphic traps within the Cretaceous and Paleogene.
The Halten and Dønna terraces still contain undrilled Jurassic structures, while Upper Jurassic and Cretaceous deep-marine systems remain underexplored in several areas, with additional prospectivity in Paleocene and Triassic intervals. In outboard areas, recent GeoStreamer acquisition near the Atlantic Margin combined with legacy streamer data enables regional mapping of a working petroleum system with Upper Cretaceous-Paleogene reservoirs. The rockAVO rock physics modeling product complements this with more than 150 wells covering Triassic to Cretaceous intervals, supporting consistent AVO analysis and improved prospect evaluation across the Norwegian Sea.
Imaging
For more than 15 years TGS has built a comprehensive and contiguous data library in the Norwegian Sea and employed a wide range of technologies and workflows to address the imaging challenges for the various targets. Despite the Norwegian Sea’s maturity, a strong focus on seismic improvements have been a cornerstone in TGS’s strategy for our Norwegian client base.
Additional Insights
MP-FWI, the Key to Unlock Potential Prospects in the Norwegian Sea
Mar 2026 - The Outer Vøring area in the Norwegian Sea has attracted increasing exploration interest in recent years. However, the region presents several challenges, including volcanic intrusions, remobilized ooze, and fault shadows...
Geological Understanding Based on New Data is Required to Unlock Potential in the Vøring Basin
May 2025 - TGS has taken another step forward for new exploration in the frontier Vøring Basin acquiring 10,000 km2 GeoStreamer 3D seismic using state-of-the-art broadband processing and imaging technology...
Nearer, Denser, Longer - The Barents Sea Solution
An innovative acquisition configuration combined with advanced imaging technologies to address the Barents Sea challenges...
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