Gas field · UK
Johnston
Johnston is a gas field in the southern North Sea, operated by Harbour Energy PLC. It was discovered in 1990 and has produced since 1994. In July 2026 it produced about 0.099 million cubic metres of gas a day.
Production
Johnston has produced about 7.2 billion cubic metres of gas since September 1994.
Latest: 0.099 million cubic metres a day in July 2026. Highest year: 2000, averaging 1.8 million cubic metres a day. Highest month: December 2001.
Average production by year
| Year | Gas, million m³ a day |
|---|---|
| 2026 (Jan–Jul) | 0.095 |
| 2025 | 0.11 |
| 2024 | 0.1 |
| 2023 | 0.13 |
| 2022 | 0.12 |
| 2021 | 0.17 |
| 2020 | 0.14 |
| 2019 | 0.094 |
| 2018 | 0.2 |
| 2017 | 0.18 |
| 2016 | 0.19 |
| 2015 | 0.24 |
| 2014 | 0.44 |
| 2013 | 0.36 |
| 2012 | 0.33 |
| 2011 | 0.33 |
| 2010 | 0.3 |
| 2009 | 0.39 |
| 2008 | 0.88 |
| 2007 | 0.31 |
| 2006 | 0.74 |
| 2005 | 0.9 |
| 2004 | 1.3 |
| 2003 | 1.1 |
| 2002 | 0.75 |
| 2001 | 1.1 |
| 2000 | 1.8 |
| 1999 | 1.5 |
| 1998 | 0.9 |
| 1997 | 1.3 |
| 1996 | 1.6 |
| 1995 | 1.5 |
| 1994 (Sep–Dec) | 0.82 |
Field details
| Status | Producing |
|---|---|
| Type | Gas field |
| Operator | Harbour Energy PLC |
| Partners |
|
| Original operator | Hamilton |
| Discovered | April 1990 (well 43/27-1) |
| First production | October 1994 |
| Water depth | 46 m |
| Region | Southern North Sea |
| Wells inside the outline | 12 |
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 these 2 current licences:
Nearby
- Fields within 10 km: Ravenspurn North (2.4 km), Babbage (6.1 km).
- Wind farms within 40 km: Hornsea Two (24 km).
- Protected areas overlapping the field: Southern North Sea SAC.
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.