Skip to content
OESAAnalysis

Field · North Sea

Troll

Troll is an oil and gas field in the North Sea, discovered in 1979. Status: producing. Operator: Equinor Energy AS.

ProducingOil and gas

Status
Producing
Contains
Oil and gas
Sea area
North Sea
Operator
Equinor Energy AS
Discovered
1979
Approved for production
15 Dec 1986
Production start
19 Sep 1995
Supply base
Mongstad
Sodir ID
46437

Show on the globeFact page at the Norwegian Offshore Directorate

Production

Last 12 months
43.5 million Sm³ o.e. · Aug 2025–Jul 2026
Share of Norwegian production
17.7 %no. 1 of 95 fields with production in the last 12 months
Per day
750,000barrels o.e. per day, converted
Peak year
2003 48.50 million Sm³ o.e.
01020304050 2000: 43.78 million Sm³ o.e.2001: 41.58 million Sm³ o.e.2002: 47.54 million Sm³ o.e.20022003: 48.50 million Sm³ o.e.2004: 44.86 million Sm³ o.e.2005: 43.74 million Sm³ o.e.20052006: 42.92 million Sm³ o.e.2007: 46.58 million Sm³ o.e.2008: 38.98 million Sm³ o.e.20082009: 33.32 million Sm³ o.e.2010: 36.50 million Sm³ o.e.2011: 32.99 million Sm³ o.e.20112012: 42.92 million Sm³ o.e.2013: 37.97 million Sm³ o.e.2014: 37.57 million Sm³ o.e.20142015: 42.98 million Sm³ o.e.2016: 40.50 million Sm³ o.e.2017: 45.46 million Sm³ o.e.20172018: 46.45 million Sm³ o.e.2019: 39.02 million Sm³ o.e.2020: 41.40 million Sm³ o.e.20202021: 42.80 million Sm³ o.e.2022: 44.70 million Sm³ o.e.2023: 41.12 million Sm³ o.e.20232024: 47.06 million Sm³ o.e.2025: 43.55 million Sm³ o.e.2026: 25.78 million Sm³ o.e.2026

OilGasNGLCondensate2026 covers January–July (lighter bar).

The figures start in 2000; the field started producing in 1995, so production before 2000 is not included.

Show the figures as a table
Production per year, Trollmillion Sm³ o.e.
YearOilGasNGLCondensateTotal
2026 (Jan–Jul)0.6724.490.620.0025.78
20251.4641.001.090.0043.55
20241.8943.761.420.0047.06
20232.3437.471.320.0041.12
20223.6339.791.280.0044.70
20214.0737.361.370.0042.80
20204.9935.081.320.0041.40
20196.2631.571.200.0039.02
20186.4138.561.480.0046.45
20177.2436.751.470.0045.46
20167.3531.871.280.0040.50
20157.0134.631.340.0042.98
20147.3029.051.230.0037.57
20137.1029.631.230.0037.97
20127.1034.411.410.0042.92
20117.2624.800.930.0032.99
20106.8728.561.070.0036.50
20097.8524.401.070.0033.32
20088.1729.741.080.0038.98
20079.4335.781.370.0046.58
200610.8230.701.400.0042.92
200514.0928.341.310.0043.74
200417.7726.360.280.4544.86
200320.8226.170.001.5148.50
200221.2025.580.000.7747.54
200119.5121.440.000.6441.58
200018.3624.670.000.7543.78

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 Troll
ProductOriginally recoverableRemainingUnit
Oil299.603.30million Sm³
Gas1,473.82559.18billion Sm³
NGL21.597.28million tonnes
Condensate1.520.00million Sm³
Total o.e.1,815.95576.32million Sm³ o.e.

According to the estimate, 68 % of the recoverable reserves have been produced.

Licensees

Licensees in Troll, updated by Sodir 20 Feb 2026
CompanyShareValid from
Petoro AS55.93 %1 Sep 2024
Equinor Energy ASEQNROperator30.55 %1 Sep 2024
A/S Norske Shell8.19 %1 Sep 2024
TotalEnergies EP Norge AS3.69 %1 Sep 2024
ConocoPhillips Skandinavia AS1.64 %1 Sep 2024

Companies on the analysis page link to their own page.

Facilities

Facilities belonging to Troll
NameTypeStatusIn service since
Troll PrbSubsea structureIn service1994
31/2-B-3 H Troll B-3Single-well templateIn service1995
31/2-D-6 H Troll D-6Single-well templateIn service1995
31/2-D-8 H Troll D-8Single-well templateIn service1995
31/2-E-1 H Troll E-1Single-well templateIn service1995
31/2-E-4 H Troll E-4Single-well templateIn service1995
31/2-F-5 H Troll F-5Single-well templateIn service1995
31/2-F-6 H Troll F-6Single-well templateIn service1995
31/2-G-3 H Troll G-3Single-well templateIn service1995
31/2-G-4 H Troll G-4Single-well templateIn service1995
31/2-G-6 H Troll G-6Single-well templateShut down1995
31/5-H-5 H Troll H-5Single-well templateIn service1995
31/5-H-6 H Troll H-6Single-well templateIn service1995
Troll BSemi-submersible (concrete)In service1995
Troll DSubsea structureIn service1995
Troll ESubsea structureIn service1995
Troll ErbSubsea structureIn service1995
Troll ErsSubsea structureIn service1995
Troll FSubsea structureIn service1995
Troll GSubsea structureIn service1995
Troll HSubsea structureIn service1995
Troll PrbsSubsea structureIn service1995
Troll PrsSubsea structureIn service1995
31/2-D-2 H Troll D-2Single-well templateIn service1996
31/2-D-7 H Troll D-7Single-well templateIn service1996
31/2-E-5 H Troll E-5Single-well templateIn service1996
31/2-F-1 H Troll F-1Single-well templateIn service1996
31/2-G-1 H Troll G-1Single-well templateIn service1996
31/5-H-1 H Troll H-1Single-well templateIn service1996
31/5-H-4 H Troll H-4Single-well templateIn service1996
Troll ACondeep, 4 shaftsIn service1996
31/2-D-5 H Troll D-5Single-well templateIn service1997
31/2-E-6 H Troll E-6Single-well templateIn service1997
31/2-F-4 H Troll F-4Single-well templateIn service1997
31/5-H-2 H Troll H-2Single-well templateIn service1997
31/5-H-3 H Troll H-3Single-well templateIn service1997
31/2-D-1 H Troll D-1Single-well templateIn service1998
Troll I1Multi-well templateIn service1998
Troll I2Multi-well templateIn service1998
Troll PrbnSubsea structureIn service1998
Troll CSemi-submersible (steel)In service1999
Troll J1Multi-well templateIn service1999
Troll J2Multi-well templateIn service1999
Troll K1Multi-well templateIn service1999
Troll K2Multi-well templateIn service1999
Troll O1Multi-well templateIn service1999
Troll P1Multi-well templateIn service1999
Troll PilotSubsea structureIn service1999
Troll PtgSubsea structureIn service1999
Troll PtoSubsea structureIn service1999
Troll Q1Multi-well templateIn service1999
Troll Rb1Subsea structureIn service1999
Troll Rb2Subsea structureIn service1999
Troll Rb3Subsea structureIn service1999
Troll Rb4Subsea structureIn service1999
Troll Rss1Subsea structureIn service1999
Troll Rss2Subsea structureIn service1999
Troll S1Multi-well templateIn service1999
Troll S2Multi-well templateIn service1999
Troll U1Multi-well templateIn service1999
Troll U2Multi-well templateIn service1999
Troll L1Multi-well templateIn service2000
Troll L2Multi-well templateIn service2000
Troll M1Multi-well templateIn service2000
Troll M2Multi-well templateIn service2000
Troll N1Multi-well templateIn service2000
Troll T2Multi-well templateIn service2000
Troll N2Multi-well templateIn service2001
Troll T1Multi-well templateIn service2001
Troll P2Multi-well templateIn service2002
31/2-D-4 H Troll D-4Single-well templateIn service2003
31/2-E-3 H Troll E-3Single-well templateIn service2003
31/5-I-32 H Troll I-32Single-well templateIn service2003
31/3-Q-21 H Troll Q-21Single-well templateIn service2004
Troll O2Multi-well templateIn service2010
31/5-Z-1h Troll Z-1Single-well templateIn service2011
31/5-Z-2h Troll Z-2Single-well templateIn service2011
Troll W1Multi-well templateIn service2021
Troll W2Multi-well templateIn service2021
Troll W4Multi-well templateIn service2026
Troll W3Multi-well templateUnder installation

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