Oil field · UK
Tonto
Tonto is an oil field in the central North Sea, operated by Apache Corporation. It was discovered in 1994 and has produced since 2013. In July 2026 it produced about 570 barrels of oil and condensate and 0.01 million cubic metres of gas a day.
Production
Tonto has produced about 2.1 million barrels of oil and condensate and 24.1 million cubic metres of gas since April 2013.
Latest: 570 barrels a day in July 2026. Highest year: 2015, averaging 1,000 barrels a day. Highest month: September 2013.
Latest: 0.01 million cubic metres a day in July 2026. Highest year: 2015, averaging 0.008 million cubic metres a day. Highest month: September 2013.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2026 (Jan–Jul) | 460 | 0.009 |
| 2025 | 310 | 0.006 |
| 2024 | 360 | 0.007 |
| 2023 | 370 | 0.007 |
| 2022 | 340 | 0.006 |
| 2021 | 280 | 0.004 |
| 2020 | 270 | 0.004 |
| 2019 | 46 | under 0.001 |
| 2018 | 0 | 0 |
| 2017 | 3 | under 0.001 |
| 2016 | 250 | 0.002 |
| 2015 | 1,000 | 0.008 |
| 2014 | 740 | 0.006 |
| 2013 (Apr–Dec) | 2,000 | 0.013 |
Field details
| Status | Producing |
|---|---|
| Type | Oil field |
| Operator | Apache Corporation |
| Licensee |
|
| Original operator | Apache |
| Discovered | October 1994 (well 21/10b-27) |
| First production | April 2013 |
| Water depth | 41 m |
| Region | Central North Sea |
Platforms and installations
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.