Oil and gas field · Norway
Johan Castberg
Johan Castberg is an oil and gas field in Norway, with 600 million boe of recoverable reserves, owned by Equinor Energy AS (46.3%), Vår Energi ASA (30%) and Petoro AS (23.7%).
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Name in the source | JOHAN CASTBERG | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Location | Norway | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Status | Operating | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Start year | 2025 | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Discovered | 2011 | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Owner | Equinor Energy AS (46.3%) | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Owner | Vår Energi ASA (30%) | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Owner | Petoro AS (23.7%) | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Operator | Equinor Energy AS | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Remaining reserves mboe | 559 million boe | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
| Recoverable reserves | 600 million boe (original recoverable) | Sodir FactPages · record · NLOD 2.0 · checked 24 Oct 2026 |
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How it compares
Johan Castberg is the 27th-largest of 140 oil and gas fields in Norway by recoverable reserves; its 600 million boe is 0.86% of the 70,075 million boe we hold for Norway. Ranks and totals cover the oil and gas fields in our data that report their recoverable reserves, not every one in existence.
| Within | Rank | Total | Share |
|---|---|---|---|
| Norway | 27th of 140 | 70,075 million boe | 0.86% |
Timeline
Dated facts about this oil and gas field from its sources, oldest first.
- Discovered
- Production started
- Equinor Energy AS (46.3%), Vår Energi ASA (30%) and Petoro AS (23.7%) on record as owners
- Recoverable reserves estimated: 600 million boe
Owners, operator and place
- Equinor Energy ASOwner · 46.3%
- Vår Energi ASAOwner · 30%
- Petoro ASOwner · 23.7%
- Equinor Energy ASOperator
- Oil and gas fields in Norway142
- Norway: country profile
- Largest oil and gas fields
Oil and gas licences attached to this oil and gas field
- Production licence 53237,800 ha
More from Equinor Energy AS
- Troll11,422 million boe
- Statfjord4,512 million boe
- Oseberg3,625 million boe
- Åsgard2,875 million boe
- Johan Sverdrup2,654 million boe
- Gullfaks2,639 million boe
- Ormen Lange2,208 million boe
- Snorre2,110 million boe
Other oil and gas fields in Norway
- Troll11,422 million boe
- Statfjord4,512 million boe
- Ekofisk4,453 million boe
- Oseberg3,625 million boe
- Åsgard2,875 million boe
- Johan Sverdrup2,654 million boe
- Gullfaks2,639 million boe
- Ormen Lange2,208 million boe
Data on this page
- Sodir. Sodir FactPages, NLOD 2.0.