Field · Barents Sea
Johan Castberg
Johan Castberg is an oil and gas field in the Barents Sea, discovered in 2011. Status: producing. Operator: Equinor Energy AS.
ProducingOil and gas
- Status
- Producing
- Contains
- Oil and gas
- Sea area
- Barents Sea
- Operator
- Equinor Energy AS
- Discovered
- 2011
- Approved for production
- 11 Jun 2018
- Production start
- 31 Mar 2025
- Supply base
- Hammerfest
- Sodir ID
- 32017325
Show on the globeFact page at the Norwegian Offshore Directorate
Production
- Last 12 months
- 10.5 million Sm³ o.e. · Sep 2025–Aug 2026
- Share of Norwegian production
- 4.25 %no. 3 of 100 fields with production in the last 12 months
- Per day
- 180,000barrels o.e. per day, converted
- Peak year
- 2026 7.13 million Sm³ o.e.
Oil2026 covers January–August (lighter bar).
Show the figures as a table
| Year | Oil | Gas | NGL | Condensate | Total |
|---|---|---|---|---|---|
| 2026 (Jan–Aug) | 7.13 | 0.00 | 0.00 | 0.00 | 7.13 |
| 2025 | 6.31 | 0.00 | 0.00 | 0.00 | 6.31 |
Marketable production in million standard cubic metres of oil equivalent (Sm³ o.e.), per month from the Norwegian Offshore Directorate, summed per year. Gas in billion Sm³ equals million Sm³ o.e. Figures up to and including August 2026. The conversion to barrels per day uses 1 Sm³ ≈ 6.29 barrels.
Reserves
The Norwegian Offshore Directorate's estimate as of 31 Dec 2025. Originally recoverable is everything the field is expected to produce; remaining is what is left.
| Product | Originally recoverable | Remaining | Unit |
|---|---|---|---|
| Oil | 95.42 | 88.84 | million Sm³ |
| Total o.e. | 95.42 | 88.84 | million Sm³ o.e. |
According to the estimate, 7 % of the recoverable reserves have been produced.
Licensees
| Company | Share | Valid from |
|---|---|---|
| Equinor Energy ASEQNROperator | 46.30 % | 1 Jan 2025 |
| Vår Energi ASAVAR | 30.00 % | 1 Jan 2025 |
| Petoro AS | 23.70 % | 1 Jan 2025 |
Companies on the analysis page link to their own page.
Network
Oil is loaded onto ships.
Source: Norwegian Offshore Directorate, pipelines, facilities and field descriptions, 11 Nov 2026. The network page has a source and date for every link.
Facilities
| Name | Type | Status | In service since |
|---|---|---|---|
| Johan Castberg CA | Multi-well template | In service | 2025 |
| Johan Castberg CB | Multi-well template | In service | 2025 |
| Johan Castberg CC | Multi-well template | In service | 2025 |
| Johan Castberg CD | Single-well template | In service | 2025 |
| Johan Castberg DA | Multi-well template | In service | 2025 |
| Johan Castberg EA | Multi-well template | In service | 2025 |
| Johan Castberg EB | Multi-well template | In service | 2025 |
| Johan Castberg EC | Multi-well template | In service | 2025 |
| Johan Castberg FPSO | Production ship (FPSO) | In service | 2025 |
| Johan Castberg Umbilical Base | Subsea structure | In service | 2025 |
| Johan Castberg YA | Multi-well template | In service | 2025 |
| Johan Castberg YB | Multi-well template | In service | 2025 |
| Johan Castberg ZA | Multi-well template | In service | 2025 |
| Johan Castberg ZB | Single-well template | In service | 2025 |
Sources
Sokkeldirektoratet, the Norwegian Offshore Directorate (FactMaps and FactPages), Norwegian Licence for Open Government Data (NLOD). Field data retrieved 4 Nov 2026, production 28 Oct 2026, licensees and reserves 11 Nov 2026. factpages.sodir.no · NLOD