Oil and gas field · Norway
Johan Castberg
Johan Castberg is an oil and gas field in the Barents Sea, operated by Equinor Energy AS. It was discovered in 2011 and has produced since 2025. In August 2026 it produced about 214,000 barrels of oil, condensate and NGL a day.
Production
Johan Castberg has produced about 84.6 million barrels of oil, condensate and NGL since March 2025.
Latest: 214,000 barrels a day in August 2026. Highest year: 2026, averaging 185,000 barrels a day. Highest month: September 2025.
Average production by year
| Year | Oil, condensate and NGL, barrels a day |
|---|---|
| 2026 (Jan–Aug) | 185,000 |
| 2025 (Mar–Dec) | 130,000 |
Field details
| Status | Producing |
|---|---|
| Type | Oil and gas field |
| Operator | Equinor Energy AS |
| Partners |
|
| Discovered | 2011 (wellbore 7220/8-1) |
| First production | March 2025 |
| Water depth | 369 m |
| Sea area | Barents Sea |
| Supply base | Hammerfest |
| Licence | Production licence 532 |
| Expected total recovery | oil 600 million barrels (Sodir estimate, 2025) |
| Remaining reserves | oil 559 million barrels |
| Produced so far | 7% of the expected total |
| Wellbores inside the outline | 38 |
| Official record | Sodir FactPage |
Platforms and installations
13 more installations are on the seabed, such as well templates.
Sources
Contains data under the Norwegian licence for Open Government data (NLOD) distributed by the Norwegian Offshore Directorate (Sodir): field, production, reserves, licensee and facility data from the FactPages, with production monthly to August 2026.
Offshore Data Atlas converts the reported volumes to barrels and cubic metres a day (one cubic metre is 6.29 barrels). Norwegian figures are saleable production.