Gas field · UK

Millom

Millom is a gas field in the Irish Sea, operated by Harbour Energy PLC. It was discovered in 1982 and produced from 1999 to 2020. Production has ceased. Over its life it produced about 7.3 billion cubic metres of gas.

Production

Millom produced about 27,000 barrels of oil and condensate and 7.3 billion cubic metres of gas between August 1999 and June 2020.

Gas, million cubic metres a day, by month
Millom: gas production by month, August 1999 to June 20200123420002005201020152020

Latest: 0.049 million cubic metres a day in June 2020. Highest year: 2002, averaging 2.9 million cubic metres a day. Highest month: October 2001.

Oil and condensate, barrels a day, by month
Millom: oil and condensate production by month, August 1999 to June 202002505007501k20002005201020152020

Latest: 0 barrels a day in June 2020. Highest year: 2005, averaging 73 barrels a day. Highest month: January 2005.

Average production by year

YearOil and condensate, barrels a dayGas, million m³ a day
2020 (Jan–Jun)00.18
201900.16
201800.21
201700.1
201600.2
201500.3
201400.32
201300.45
201200.47
201100.5
201000.55
200900.79
200800.98
200700.9
200601.5
2005731.7
200402.2
200302.5
200202.9
200102.8
200000.39
1999 (Aug–Dec)00.19

Field details

StatusProduction ceased
TypeGas field
OperatorHarbour Energy PLC
Licensee
  • Chrysaor Resources (Irish Sea) Limited 100%
Original operatorBurlington
DiscoveredAugust 1982 (well 113/26-1)
First productionAugust 1999
Water depth42 m
RegionIrish Sea
Wells inside the outline20

Platforms and installations

One installation is removed or no longer in use: Millom West.

Nearby

Sources

Production: NSTA, UKCS field production reports (PPRS), monthly to July 2026. Field details, platforms, licences and wells: NSTA open data, as on the atlas map. Contains information provided by the North Sea Transition Authority and/or other third parties. Used under the NSTA Open User Licence.

Offshore Data Atlas converts the reported volumes to barrels and cubic metres a day (one cubic metre is 6.29 barrels). UK gas figures are all the gas produced, including gas used offshore as fuel, flared or put back into the reservoir.