Oil field · UK

Halley

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

Halley is an oil field in the central North Sea, operated by NEO NEXT+ Energy. It was discovered in 1981 and produced from 2002 to 2018. Production has ceased. Over its life it produced about 5.2 million barrels of oil and condensate and 259 million cubic metres of gas.

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Production

Halley produced about 5.2 million barrels of oil and condensate and 259 million cubic metres of gas between July 2002 and September 2018.

Oil and condensate, barrels a day, by month

Latest: 550 barrels a day in September 2018. Highest year: 2003, averaging 3,000 barrels a day. Highest month: August 2002.

Gas, million cubic metres a day, by month

Latest: 0.023 million cubic metres a day in September 2018. Highest year: 2003, averaging 0.14 million cubic metres a day. Highest month: August 2002.

Average production by year

Year	Oil and condensate, barrels a day	Gas, million m³ a day
2018 (Jan–Sep)	530	0.022
2017	1,200	0.049
2016	92	0.003
2015	0	0
2014	0	0
2013	240	0.007
2012	250	0.01
2011	630	0.027
2010	320	0.058
2009	670	0.037
2008	820	0.052
2007	0	0
2006	0	0
2005	0	0
2004	2,800	0.14
2003	3,000	0.14
2002 (Jul–Dec)	7,400	0.34

Field details

Status	Production ceased
Type	Oil field
Operator	NEO NEXT+ Energy
Partners	NEO NEXT + Energy Resources UK Limited 60% Spirit Energy North Sea Oil Limited 40%
Original operator	Talisman
Discovered	February 1981 (well 30/12b-2)
First production	July 2002
Water depth	77 m
Region	Central North Sea
Wells inside the outline	1

Platforms and installations

No platforms or production ships are recorded on the field or within 2 km of it.

Licences

The field lies in this current licence:

P185CNOOC International, Energean PLC, Harbour Energy PLC, Hibiscus Petroleum, Ithaca Energy, NEO NEXT+ Energy, Ping Petroleum Limited, Spirit Energy

Nearby

Fields within 10 km: Fulmar (1.8 km), Leven (4.4 km), Clyde (6 km), Medwin (9.2 km), Auk North (9.2 km).
Protected areas overlapping the field: Fulmar MCZ - Secretary of State.

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.