Oil field · UK
Thelma
Thelma is an oil field in the northern North Sea, operated by CNR International. It was discovered in 1976 and has produced since 1996. In July 2026 it produced about 1,200 barrels of oil and condensate and 0.11 million cubic metres of gas a day.
Production
Thelma has produced about 68.3 million barrels of oil and condensate and 3.3 billion cubic metres of gas since October 1996.
Latest: 1,200 barrels a day in July 2026. Highest year: 1997, averaging 28,000 barrels a day. Highest month: July 1997.
Latest: 0.11 million cubic metres a day in July 2026. Highest year: 1997, averaging 0.97 million cubic metres a day. Highest month: July 1997.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2026 (Jan–Jul) | 1,200 | 0.094 |
| 2025 | 1,300 | 0.1 |
| 2024 | 1,500 | 0.17 |
| 2023 | 1,400 | 0.16 |
| 2022 | 1,600 | 0.17 |
| 2021 | 2,000 | 0.15 |
| 2020 | 2,700 | 0.19 |
| 2019 | 3,000 | 0.24 |
| 2018 | 2,700 | 0.23 |
| 2017 | 3,200 | 0.26 |
| 2016 | 3,000 | 0.22 |
| 2015 | 2,200 | 0.17 |
| 2014 | 600 | 0.076 |
| 2013 | 2,600 | 0.21 |
| 2012 | 3,700 | 0.25 |
| 2011 | 3,700 | 0.21 |
| 2010 | 3,800 | 0.2 |
| 2009 | 3,700 | 0.16 |
| 2008 | 4,500 | 0.2 |
| 2007 | 5,500 | 0.24 |
| 2006 | 6,100 | 0.29 |
| 2005 | 6,000 | 0.23 |
| 2004 | 6,000 | 0.21 |
| 2003 | 5,800 | 0.23 |
| 2002 | 6,900 | 0.26 |
| 2001 | 14,000 | 0.56 |
| 2000 | 16,000 | 0.68 |
| 1999 | 19,000 | 0.83 |
| 1998 | 22,000 | 0.89 |
| 1997 | 28,000 | 0.97 |
| 1996 (Oct–Dec) | 14,000 | 0.73 |
Field details
| Status | Producing |
|---|---|
| Type | Oil field |
| Operator | CNR International |
| Partners |
|
| Original operator | Agip |
| Discovered | July 1976 (well 16/17-1) |
| First production | October 1996 |
| Water depth | 135 m |
| Region | Northern North Sea |
| Wells inside the outline | 27 |
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:
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.