Gas field · UK

Galleon

Galleon is a gas field in the southern North Sea, operated by Shell PLC. It was discovered in 1985 and has produced since 1994. In July 2026 it produced about 0.68 million cubic metres of gas a day.

Production

Galleon has produced about 670,000 barrels of oil and condensate and 24.3 billion cubic metres of gas since September 1994.

Gas, million cubic metres a day, by month
Galleon: gas production by month, September 1994 to July 2026024681995200020052010201520202025

Latest: 0.68 million cubic metres a day in July 2026. Highest year: 2000, averaging 4.6 million cubic metres a day. Highest month: December 2001.

Oil and condensate, barrels a day, by month
Galleon: oil and condensate production by month, September 1994 to July 202602004006001995200020052010201520202025

Latest: 62 barrels a day in July 2026. Highest year: 2001, averaging 250 barrels a day. Highest month: December 2001.

Average production by year

YearOil and condensate, barrels a dayGas, million m³ a day
2026 (Jan–Jul)610.63
2025540.5
2024640.79
2023170.86
202280.92
202160.68
202090.89
2019110.91
2018171.2
2017151.1
2016141.4
2015161.2
2014181.2
2013140.99
2012151.1
2011201.2
2010251.4
2009231.8
2008452.3
2007272
2006722.4
2005733.4
2004584.2
2003763.7
2002673.6
20012504.5
20002404.6
19991903.2
1998754.1
19971104.1
1996923.8
1995521.4
1994 (Sep–Dec)552.2

Field details

StatusProducing
TypeGas field
OperatorShell PLC
Partners
  • Esso Exploration and Production UK Limited 41%
  • Shell U.K. Limited 41%
  • Chrysaor Production (U.K.) Limited 8%
  • Prax Hurricane GWA Limited 8%
Original operatorShell
DiscoveredMarch 1985 (well 48/20a-3A)
First productionOctober 1994
Water depth28 m
RegionSouthern North Sea
Wells inside the outline46

Platforms and installations

Galleon PGPlatform · Active · Shell PLC
Galleon PNPlatform · Active · Shell PLC
Skiff PSPlatform · Active · Shell PLC

Licences

The field lies in these 2 current licences:

P8ExxonMobil International, Harbour Energy PLC, INEOS Industries, Serica Energy, Shell PLC, Spirit Energy
P130CalEnergy Gas (Holdings), Harbour Energy PLC, Serica Energy, Spirit Energy

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.