Oil and gas field · UK

Lennox

Lennox is an oil and gas field in the Irish Sea, operated by ENI UK Limited. It was discovered in 1992 and produced from 1996 to 2025. Production has ceased. Over its life it produced about 105 million barrels of oil and condensate and 16.2 billion cubic metres of gas.

Production

Lennox produced about 105 million barrels of oil and condensate and 16.2 billion cubic metres of gas between February 1996 and July 2025.

Oil and condensate, barrels a day, by month
Lennox: oil and condensate production by month, February 1996 to July 2025020k40k60k200020052010201520202025

Latest: 0 barrels a day in July 2025. Highest year: 2001, averaging 39,000 barrels a day. Highest month: August 2001.

Gas, million cubic metres a day, by month
Lennox: gas production by month, February 1996 to July 20250246200020052010201520202025

Latest: under 0.001 million cubic metres a day in July 2025. Highest year: 2008, averaging 3.2 million cubic metres a day. Highest month: January 2007.

Average production by year

YearOil and condensate, barrels a dayGas, million m³ a day
2025 (Jan–Jul)0under 0.001
2024270.079
2023540.14
2022950.23
20211700.41
20201700.61
20193001.1
20184101.5
20173402
20162002.2
2015923.1
2014732.5
2013732.5
20121902.4
20111,8002.3
20103,8002.1
20095,9002.4
20088,3003.2
200712,0003.1
200619,0002.6
200519,0002.5
200426,0002.2
200334,0001.7
200236,0001
200139,0000.85
200030,0000.49
199918,0000.35
199819,0000.41
19979,8000.17
1996 (Feb–Dec)2,5000.029

Field details

StatusProduction ceased
TypeOil and gas field
OperatorENI UK Limited
Licensee
  • ENI UK Limited 100%
Original operatorHamilton
DiscoveredJuly 1992 (well 110/15-6)
First productionMarch 1996
Water depth30 m
RegionIrish Sea
Wells inside the outline32

Platforms and installations

LennoxPlatform · Active · ENI UK Limited

Licences

The field lies in this current licence:

P791ENI UK Limited

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.