Oil field · UK
Mariner
Mariner is an oil field in the northern North Sea, operated by Adura Energy. It was discovered in 1982 and has produced since 2019. In July 2026 it produced about 38,000 barrels of oil and condensate a day.
Production
Mariner has produced about 64.6 million barrels of oil and condensate and 462 million cubic metres of gas since August 2019.
Latest: 38,000 barrels a day in July 2026. Highest year: 2021, averaging 30,000 barrels a day. Highest month: March 2021.
Latest: 0.27 million cubic metres a day in July 2026. Highest year: 2025, averaging 0.23 million cubic metres a day. Highest month: January 2026.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2026 (Jan–Jul) | 33,000 | 0.25 |
| 2025 | 29,000 | 0.23 |
| 2024 | 25,000 | 0.2 |
| 2023 | 20,000 | 0.14 |
| 2022 | 24,000 | 0.17 |
| 2021 | 30,000 | 0.2 |
| 2020 | 23,000 | 0.14 |
| 2019 (Aug–Dec) | 17,000 | 0.097 |
Field details
| Status | Producing |
|---|---|
| Type | Oil field |
| Operator | Adura Energy |
| Partners |
|
| Original operator | Statoil |
| Discovered | September 1982 (well 9/11-2) |
| First production | August 2019 |
| Water depth | 105 m |
| Region | Northern North Sea |
| Wells inside the outline | 78 |
Platforms and installations
Licences
The field lies in this current licence:
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.