Field · North Sea
Tambar Øst
Tambar Øst is an oil field in the North Sea, discovered in 2007. Status: producing. Operator: Aker BP ASA.
ProducingOil
- Status
- Producing
- Contains
- Oil
- Sea area
- North Sea
- Operator
- Aker BP ASA
- Discovered
- 2007
- Approved for production
- 28 Jun 2007
- Production start
- 2 Oct 2007
- Sodir ID
- 4999528
Show on the globeFact page at the Norwegian Offshore Directorate
Production
The Norwegian Offshore Directorate has no production figures for the field from 2000 onwards, which is as far back as the figures here go.
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 | 1.08 | 0.41 | million Sm³ |
| Gas | 0.06 | 0.02 | billion Sm³ |
| NGL | 0.02 | 0.01 | million tonnes |
| Total o.e. | 1.18 | 0.45 | million Sm³ o.e. |
According to the estimate, 62 % of the recoverable reserves have been produced.
Licensees
| Company | Share | Valid from |
|---|---|---|
| Aker BP ASAAKRBPOperator | 46.20 % | 17 Dec 2025 |
| DNO Norge ASDNO | 37.80 % | 17 Dec 2025 |
| Repsol Norge AS | 9.76 % | 17 Dec 2025 |
| ORLEN Upstream Norway AS | 6.24 % | 17 Dec 2025 |
Companies on the analysis page link to their own page.
Network
Oil by pipeline to Teesside and gas is injected into the reservoir. The production is processed at Ula.
Source: Norwegian Offshore Directorate, pipelines, facilities and field descriptions, 11 Nov 2026. The network page has a source and date for every link.
Facilities
The Norwegian Offshore Directorate has no facilities registered on the field.
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