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OESAAnalysis

Field · North Sea

Sleipner Øst

Sleipner Øst is a gas and condensate field in the North Sea, discovered in 1981. Status: producing. Operator: Equinor Energy AS.

ProducingGas and condensate

Status
Producing
Contains
Gas and condensate
Sea area
North Sea
Operator
Equinor Energy AS
Discovered
1981
Approved for production
15 Dec 1986
Production start
24 Aug 1993
Supply base
Dusavik
Sodir ID
43478

Show on the globeFact page at the Norwegian Offshore Directorate

Production

Last 12 months
0.057 million Sm³ o.e. · Aug 2025–Jul 2026
Share of Norwegian production
0.023 %no. 90 of 95 fields with production in the last 12 months
Per day
1,000barrels o.e. per day, converted
Peak year
2002 16.74 million Sm³ o.e.
051015 2000: 15.77 million Sm³ o.e.2001: 15.34 million Sm³ o.e.2002: 16.74 million Sm³ o.e.20022003: 15.33 million Sm³ o.e.2004: 14.32 million Sm³ o.e.2005: 15.73 million Sm³ o.e.20052006: 14.38 million Sm³ o.e.2007: 14.44 million Sm³ o.e.2008: 12.13 million Sm³ o.e.20082009: 10.71 million Sm³ o.e.2010: 8.54 million Sm³ o.e.2011: 8.50 million Sm³ o.e.20112012: 7.20 million Sm³ o.e.2013: 6.14 million Sm³ o.e.2014: 1.67 million Sm³ o.e.20142015: 0.49 million Sm³ o.e.2016: 0.41 million Sm³ o.e.2017: 0.22 million Sm³ o.e.20172018: 0.29 million Sm³ o.e.2019: 0.26 million Sm³ o.e.2020: 0.21 million Sm³ o.e.20202021: 0.12 million Sm³ o.e.2022: 0.10 million Sm³ o.e.2023: 0.11 million Sm³ o.e.20232024: 0.09 million Sm³ o.e.2025: 0.06 million Sm³ o.e.2026: 0.03 million Sm³ o.e.2026

OilGasNGLCondensate2026 covers January–July (lighter bar).

The figures start in 2000; the field started producing in 1993, so production before 2000 is not included.

Show the figures as a table
Production per year, Sleipner Østmillion Sm³ o.e.
YearOilGasNGLCondensateTotal
2026 (Jan–Jul)0.010.020.000.000.03
20250.010.050.000.000.06
20240.010.070.000.000.09
20230.020.090.000.000.11
20220.020.080.000.000.10
20210.020.090.010.000.12
20200.030.140.030.000.21
20190.050.170.050.000.26
20180.040.210.040.000.29
20170.050.140.030.000.22
20160.060.290.060.000.41
20150.070.350.080.000.49
20140.051.510.090.021.67
20130.005.940.140.066.14
20120.006.890.210.097.20
20110.008.100.260.148.50
20100.008.090.310.148.54
20090.0010.080.410.2210.71
20080.0011.340.480.3112.13
20070.0013.420.610.4114.44
20060.0013.220.700.4714.38
20050.0014.320.810.6115.73
20040.0012.690.900.7214.32
20030.0013.231.081.0115.33
20020.0013.481.731.5316.74
20010.0011.641.821.8815.34
20000.0011.811.862.1115.77

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 July 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.

Reserves in Sleipner Øst
ProductOriginally recoverableRemainingUnit
Oil0.430.01million Sm³
Gas69.370.06billion Sm³
NGL13.410.00million tonnes
Condensate26.620.00million Sm³
Total o.e.121.890.07million Sm³ o.e.

According to the estimate, 100 % of the recoverable reserves have been produced.

Licensees

Licensees in Sleipner Øst, updated by Sodir 20 Feb 2026
CompanyShareValid from
Equinor Energy ASEQNROperator59.60 %25 Sep 2024
ORLEN Upstream Norway AS25.00 %25 Sep 2024
Vår Energi ASAVAR15.40 %25 Sep 2024

Companies on the analysis page link to their own page.

Facilities

Facilities belonging to Sleipner Øst
NameTypeStatusIn service since
Sleipner ACondeep, 4 shaftsIn service1993
Sleipner CMulti-well templateIn service1993
Sleipner DMulti-well templateIn service1993
Sleipner FlSteel jacket, tripodIn service1993
Sleipner RSteel jacket, 4 legsIn service1993

Sources

Sokkeldirektoratet, the Norwegian Offshore Directorate (FactMaps and FactPages), Norwegian Licence for Open Government Data (NLOD). Field data retrieved 28 Sep 2026, production 27 Sep 2026, licensees and reserves 28 Sep 2026. factpages.sodir.no · NLOD