Gas condensate field · UK

Seymour

Name: Seymour gas condensate field monthly production
Creator: North Sea Transition Authority
License: https://www.nstauthority.co.uk/footer/terms-and-conditions/

Seymour is a gas condensate field in the central North Sea, operated by Harbour Energy PLC. It has produced since 2003. In July 2026 it produced about 1,400 barrels of oil and condensate and 0.4 million cubic metres of gas a day.

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Production

Seymour has produced about 10.7 million barrels of oil and condensate and 4.5 billion cubic metres of gas since March 2003.

Gas, million cubic metres a day, by month

Latest: 0.4 million cubic metres a day in July 2026. Highest year: 2004, averaging 2.1 million cubic metres a day. Highest month: November 2007.

Oil and condensate, barrels a day, by month

Latest: 1,400 barrels a day in July 2026. Highest year: 2004, averaging 2,800 barrels a day. Highest month: November 2003.

Average production by year

Year	Oil and condensate, barrels a day	Gas, million m³ a day
2026 (Jan–Jul)	1,100	0.27
2025	1,200	0.23
2024	1,100	0.2
2023	970	0.14
2022	970	0.12
2021	1,100	0.11
2020	870	0.083
2019	1,100	0.059
2018	770	0.1
2017	960	0.11
2016	1,100	0.11
2015	1,100	0.18
2014	1,100	0.13
2013	1,900	0.27
2012	2,200	0.35
2011	890	0.39
2010	920	0.66
2009	1,100	0.84
2008	810	1.1
2007	610	0.96
2006	1,300	1.3
2005	1,400	1.5
2004	2,800	2.1
2003 (Mar–Dec)	2,900	1.3

Field details

Status	Producing
Type	Gas condensate field
Operator	Harbour Energy PLC
Partners	Chrysaor North Sea Limited 57% Chrysaor Limited 43%
Original operator	BG Group
Discovery well	22/5b-3
First production	March 2003
Region	Central North Sea
Wells inside the outline	5

Platforms and installations

ArmadaPlatform · Active · Harbour Energy PLC

Licences

The field lies in this current licence:

P356Harbour Energy PLC

Nearby

Fields within 10 km: Fleming (0 km), Hawkins (0.4 km), Drake (1.2 km), Maria (7.4 km).

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.