Oil field · UK

Mallard

Mallard is an oil field in the central North Sea, operated by EnQuest PLC. It was discovered in 1990 and has produced since 1998. In July 2026 it produced about 710 barrels of oil and condensate and 0.016 million cubic metres of gas a day.

Production

Mallard has produced about 9.2 million barrels of oil and condensate and 175 million cubic metres of gas since November 2007. The NSTA's monthly records for the field begin in November 2007, but it started producing in April 1998, so earlier output isn't included.

Oil and condensate, barrels a day, by month
Mallard: oil and condensate production by month, November 2007 to July 202602.5k5k7.5k10k2010201520202025

Latest: 710 barrels a day in July 2026. Highest year: 2009, averaging 4,100 barrels a day. Highest month: February 2008.

Gas, million cubic metres a day, by month
Mallard: gas production by month, November 2007 to July 202600.050.10.150.22010201520202025

Latest: 0.016 million cubic metres a day in July 2026. Highest year: 2009, averaging 0.05 million cubic metres a day. Highest month: February 2008.

Average production by year

YearOil and condensate, barrels a dayGas, million m³ a day
2026 (Jan–Jul)6700.016
20256400.014
20246500.015
20237300.016
20229100.02
20213200.007
20209300.018
20191,3000.026
20181,4000.025
20171,4000.028
20161,2000.023
20151,3000.031
20146700.016
20131,0000.02
20121,9000.037
20111,2000.025
20102,5000.048
20094,1000.05
20081,9000.035
2007 (Nov–Dec)4,8000.089

Field details

StatusProducing
TypeOil field
OperatorEnQuest PLC
Partners
  • Dana Petroleum (E&P) Limited 50%
  • EnQuest Heather Limited 50%
Original operatorShell
DiscoveredSeptember 1990 (well 21/19-3)
First productionApril 1998
Water depth91 m
RegionCentral North Sea
Wells inside the outline8

Platforms and installations

No platforms or production ships are recorded on the field or within 2 km of it. It is probably produced through wells on the seabed, piped to a platform elsewhere.

Licences

The field lies in this current licence:

P238Dana Petroleum Limited, EnQuest PLC

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.