NORWAY · FIELDS · NPDID 4999528
Tambar Øst
North Sea · Oil · Producing · Operator Aker BP ASA
Tambar Øst is an oil field in the North Sea operated by Aker BP ASA, discovered in 2007 by wellbore 1/3-K-5. The Norwegian Offshore Directorate lists it as producing.
No production has been reported since August 2026.
Since November 2024 it has reported 0 million Sm³ of oil equivalents: 0 million Sm³ of oil and 0 billion Sm³ of gas.
4 companies hold it; the largest share is Aker BP ASA with 46.2%.
3 wellbores are on file for the field.
- 0
- mill Sm³ o.e., last 12 reported
- 0
- mill Sm³ oil, last 12
- 0
- bill Sm³ gas, last 12
- 0
- mill Sm³ o.e. since Nov 2024
- 3
- wellbores on file
- 4
- licensees today
SODIR PRODUCTION PROFILES · SALEABLE VOLUMES · REPORTED THROUGH AUG 2026
Produced water by month
TEN YEARS · SM³ IN THE FIELD
Last 12 months 10,928
Licensees
SHARES TODAY · UNIT TAMBAR ØST UNIT
| Company | Share | Since |
|---|---|---|
| Aker BP ASAOPERATOR | 46.2% | Dec 17, 2025 |
| DNO Norge AS | 37.8% | Dec 17, 2025 |
| Repsol Norge AS | 9.76% | Dec 17, 2025 |
| ORLEN Upstream Norway AS | 6.24% | Dec 17, 2025 |
Reserves
THE DIRECTORATE'S ESTIMATE · AS OF DEC 31, 2025
These are the Norwegian Offshore Directorate's own year-end estimates, shown as it publishes them. Petrora does not estimate reserves.
| Oil, mill Sm³ | Gas, bill Sm³ | NGL, mill tonnes | Condensate, mill Sm³ | O.e., mill Sm³ | |
|---|---|---|---|---|---|
| Originally recoverable | 1.08 | 0.06 | 0.02 | 0 | 1.18 |
| Remaining | 0.41 | 0.02 | 0.01 | 0 | 0.45 |
About the field
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
- Development
- Tambar Øst is a field in the southern part of the Norwegian sector in the North Sea, two kilometres east of the Tambar field. The water depth is 70 metres. Tambar Øst was discovered in 2007. In the same year, an exemption for a plan for development and operation (PDO) was granted and the field started production. The field has been developed with one production well drilled from the Tambar facility.
- Reservoir
- Tambar Øst produces oil and some gas from shallow marine sandstone of Late Jurassic age in the Farsund Formation. The reservoir is at a depth of 4050-4200 metres and has varying quality.
- Recovery strategy
- The field is produced by pressure depletion and limited aquifer drive.
- Transport
- The oil is transported from the Tambar field to the Ula facility. After processing at Ula, the oil is exported in the existing pipeline system via the Ekofisk field to Teesside in the UK. The gas is used for gas injection in the Ula reservoir to improve oil recovery.
- Status
- The production from Tambar Øst had been shut-in temporarily since 2019 for pressure build-up, and was restarted in 2023. Production from Tambar Øst is dependent on the lifetime of the Ula field which is planned to be shut down in 2028.
Production by year
MONTHLY ROWS ADDED UP · NEWEST FIRST
| Year | Oil, mill Sm³ | Gas, bill Sm³ | NGL, mill Sm³ | Condensate, mill Sm³ | O.e., mill Sm³ | Water, mill Sm³ |
|---|---|---|---|---|---|---|
| 20268 MONTHS | 0 | 0 | 0 | 0 | 0 | 0 |
| 20259 MONTHS | 0 | 0 | 0 | 0 | 0 | 0.01 |
| 20241 MONTH | 0 | 0 | 0 | 0 | 0 | -0 |
Wellbores
Production 2 · Observation 1
All 3 wellbores in Tambar Øst, searchable → · Discovery wellbore 1/3-K-5 →
Operator history
- Aker BP ASANov 30, 2016 to today
- BP Norge ASJun 28, 2007 to Nov 29, 2016
This field on Sodir FactPages →
About this data
Norwegian Offshore Directorate (Sodir) FactPages, mirrored nightly and used under the Norwegian Licence for Open Government Data (NLOD). Production is saleable volume by month from the Directorate's profiles, cut at the latest month any field has reported; yearly and cumulative figures are those months added up. Shares are the current rows of the field's licensee history. Reserves are the Directorate's estimate.
Developers: this page as JSON is GET /v1/data/norway/fields/4999528, documented in the API reference.