Gas condensate field · UK
Alder
Alder is a gas condensate field in the central North Sea, operated by Ithaca Energy. It was discovered in 1975 and produced from 2016 to 2025. Production has ceased. Over its life it produced about 6.6 million barrels of oil and condensate and 2.5 billion cubic metres of gas.
Production
Alder produced about 6.6 million barrels of oil and condensate and 2.5 billion cubic metres of gas between November 2016 and October 2025.
Latest: under 0.001 million cubic metres a day in October 2025. Highest year: 2017, averaging 2 million cubic metres a day. Highest month: December 2016.
Latest: 0 barrels a day in October 2025. Highest year: 2017, averaging 7,600 barrels a day. Highest month: December 2016.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2025 (Jan–Oct) | 180 | 0.088 |
| 2024 | 240 | 0.13 |
| 2023 | 430 | 0.23 |
| 2022 | 570 | 0.32 |
| 2021 | 660 | 0.38 |
| 2020 | 1,100 | 0.62 |
| 2019 | 1,600 | 0.93 |
| 2018 | 4,100 | 1.6 |
| 2017 | 7,600 | 2 |
| 2016 (Nov–Dec) | 11,000 | 2.7 |
Field details
| Status | Production ceased |
|---|---|
| Type | Gas condensate field |
| Operator | Ithaca Energy |
| Partners |
|
| Original operator | Chevron |
| Discovered | October 1975 (well 15/29-2A) |
| First production | November 2016 |
| Water depth | 155 m |
| Region | Central North Sea |
| Wells inside the outline | 6 |
Platforms and installations
No platforms or production ships are recorded on the field or within 2 km of it.
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.