Gas field · UK
Leman
Leman is a gas field in the southern North Sea, operated by Perenco Oil & Gas. It was discovered in 1966 and has produced since 1968. In July 2026 it produced about 1.7 million cubic metres of gas a day.
Production
Leman has produced about 2.3 million barrels of oil and condensate and 105 billion cubic metres of gas since November 1987. The NSTA's monthly records for the field begin in November 1987, but it started producing in August 1968, so earlier output isn't included.
Latest: 1.7 million cubic metres a day in July 2026. Highest year: 1990, averaging 22 million cubic metres a day. Highest month: January 1990.
Latest: 67 barrels a day in July 2026. Highest year: 2000, averaging 420 barrels a day. Highest month: September 2006.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2026 (Jan–Jul) | 40 | 1.8 |
| 2025 | 51 | 1.7 |
| 2024 | 57 | 1.9 |
| 2023 | 87 | 2.1 |
| 2022 | 44 | 2.1 |
| 2021 | 43 | 2 |
| 2020 | 53 | 2.9 |
| 2019 | 52 | 2.8 |
| 2018 | 46 | 3.1 |
| 2017 | 57 | 3.6 |
| 2016 | 64 | 3.8 |
| 2015 | 82 | 4.1 |
| 2014 | 56 | 3.2 |
| 2013 | 69 | 4.3 |
| 2012 | 81 | 3.6 |
| 2011 | 100 | 4.9 |
| 2010 | 110 | 5.6 |
| 2009 | 110 | 5.3 |
| 2008 | 99 | 4.7 |
| 2007 | 83 | 4.1 |
| 2006 | 210 | 6.3 |
| 2005 | 98 | 7.3 |
| 2004 | 120 | 8.7 |
| 2003 | 120 | 8.2 |
| 2002 | 190 | 8.4 |
| 2001 | 310 | 11 |
| 2000 | 420 | 11 |
| 1999 | 350 | 8.4 |
| 1998 | 400 | 13 |
| 1997 | 250 | 8.3 |
| 1996 | 310 | 9.5 |
| 1995 | 320 | 11 |
| 1994 | 200 | 9.2 |
| 1993 | 280 | 13 |
| 1992 | 370 | 17 |
| 1991 | 260 | 20 |
| 1990 | 260 | 22 |
| 1989 | 210 | 13 |
| 1988 | 180 | 13 |
| 1987 (Nov–Dec) | 390 | 22 |
Field details
| Status | Producing |
|---|---|
| Type | Gas field |
| Operator | Perenco Oil & Gas |
| Partners |
|
| Original operator | Shell |
| Discovered | April 1966 (well 49/26-1) |
| First production | August 1968 |
| Water depth | 36 m |
| Region | Southern North Sea |
| Wells inside the outline | 275 |
Platforms and installations
Licences
The field lies in these 3 current licences:
Nearby
- Fields within 10 km: Leman South (0.3 km), Southwark (0.5 km), Camelot North East (1 km), Camelot North (3.8 km), Camelot Central South (4.6 km), Thurne (5.1 km).
- Protected areas overlapping the field: North Norfolk Sandbanks and Saturn Reef SAC, 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.
Leman's production adds up the NSTA's reports for Leman, Leman.