Equinor makes discoveries in the North Sea

Equinor has identified two significant gas and condensate deposits—Lofn and Langemann—in the Sleipner area of the North Sea. These are the company’s largest discoveries so far this year and demonstrate how continued exploration in mature basins can unlock new, commercially viable volumes. The discoveries lie between the Gudrun and Eirin fields and are estimated to hold between 5 and 18 million standard cubic meters of recoverable oil equivalents, equal to roughly 30 to 110 million barrels.

Why These Discoveries Matter for Europe’s Energy Supply
Because the prospects are located close to existing subsea and topside infrastructure, the fields can be developed quickly and with comparatively low environmental impact. The Sleipner area already serves as a central hub for Norwegian gas exports, linking multiple fields and transport routes. Adding new volumes strengthens long-term supply stability for Europe while maintaining low emissions intensity from production.

Advanced Seismic Technology as a Key Differentiator
A central factor behind these discoveries is the use of Ocean Bottom Node seismic technology, which places sensors directly on the seabed to improve resolution in complex geological settings. This approach enables more precise mapping than traditional surface seismic methods and reduces uncertainty in nearby prospects. The results from Lofn and Langemann increase the likelihood of further discoveries in the area, supporting Equinor’s plan to drill additional exploration wells.

Operational Execution and Forward Activity
The Deepsea Atlantic rig drilled both reservoirs—classified as high-pressure, high-temperature wells—to depths of 4,636 and 4,932 meters. Following these operations, the rig will continue to the Sissel prospect near the Utgard field, expanding the campaign that Equinor and partners have scheduled in the region. The discoveries also improve the outlook for future exploration across production license 1140, which was awarded through the 2022 Awards in Predefined Areas.

Role of Sleipner in Norway’s Gas Value Chain
The Sleipner installations process hydrocarbons from several connected fields, deliver dry gas to Europe, and route unstable oil to Kårstø for processing and export. The hub also supports onward transport to major landing points such as Draupner, Zeebrugge, and Easington. Securing new resources nearby helps maintain throughput and prolongs the value creation associated with this infrastructure.

Partnership and Resource Management
Equinor operates the license with a 60% share, alongside Aker BP with 40%. Together, the partners plan to leverage the area’s established network of pipelines and facilities to accelerate development and ensure efficient resource recovery within one of Norway’s most strategically important offshore corridors.

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