Gas condensate field · Norway

Vest Ekofisk

Vest Ekofisk is a gas condensate field in the Norwegian North Sea, operated by ConocoPhillips Skandinavia AS. It was discovered in 1970. It has been approved for production. Over its life it produced about 94.7 million barrels of oil, condensate and NGL and 26 billion cubic metres of gas.

Production

Vest Ekofisk produced about 94.7 million barrels of oil, condensate and NGL and 26 billion cubic metres of gas between May 1977 and July 1998.

Gas, million cubic metres a day, by month
Vest Ekofisk: gas production by month, May 1977 to July 19980510151980198519901995

Latest: 0.42 million cubic metres a day in July 1998. Highest year: 1978, averaging 12 million cubic metres a day. Highest month: December 1978.

Oil, condensate and NGL, barrels a day, by month
Vest Ekofisk: oil, condensate and ngl production by month, May 1977 to July 1998025k50k75k100k1980198519901995

Latest: 950 barrels a day in July 1998. Highest year: 1978, averaging 66,000 barrels a day. Highest month: January 1978.

Average production by year

YearOil, condensate and NGL, barrels a dayGas, million m³ a day
1998 (Jan–Jul)1,2000.44
19971,2000.45
19961,4000.53
19951,9000.69
19942,6000.95
19932,9001.1
19922,5000.97
19913,1001.1
19904,3001.4
19896,1002
19888,4002.9
19878,4003.4
19869,5003.7
198510,0003.5
198410,0003.5
198314,0004.6
198213,0004.6
198113,0004.1
198026,0007.9
197941,00011
197866,00012
1977 (May–Dec)19,0001

Field details

StatusApproved for production
TypeGas condensate field
OperatorConocoPhillips Skandinavia AS
Partners
  • Vår Energi ASA 52.28%
  • ConocoPhillips Skandinavia AS 35.11%
  • ORLEN Upstream Norway AS 7.6%
  • Petoro AS 5%
Discovered1970 (wellbore 2/4-6)
First productionMay 1977
Water depth75 m
Sea areaNorth Sea
LicenceProduction licence 018 F
Expected total recoveryoil 76.4 million barrels; gas 26 billion cubic metres; NGL 1.5 million tonnes (Sodir estimate, 2025)
Produced so far100% of the expected total
Wellbores inside the outline23
Official recordSodir FactPage

Platforms and installations

One installation is removed or no longer in use: Vest Ekofisk.

Nearby

Sources

Contains data under the Norwegian licence for Open Government data (NLOD) distributed by the Norwegian Offshore Directorate (Sodir): field, production, reserves, licensee and facility data from the FactPages, with production monthly to August 2026.

Offshore Data Atlas converts the reported volumes to barrels and cubic metres a day (one cubic metre is 6.29 barrels). Norwegian figures are saleable production.