Oil field · UK
Alligin
Alligin is an oil field west of Shetland, operated by BP Exploration. It was discovered in 1995 and has produced since 2019.
Production
Alligin has produced about 9.1 million barrels of oil and condensate and 189 million cubic metres of gas since December 2019.
Latest: 2,700 barrels a day in April 2026. Highest year: 2020, averaging 6,600 barrels a day. Highest month: January 2020.
Latest: 0.049 million cubic metres a day in April 2026. Highest year: 2020, averaging 0.18 million cubic metres a day. Highest month: January 2020.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2026 (Jan–Apr) | 4,400 | 0.094 |
| 2025 | 2,700 | 0.061 |
| 2024 | 2,100 | 0.038 |
| 2023 | 3,400 | 0.072 |
| 2022 | 3,600 | 0.051 |
| 2021 | 4,800 | 0.077 |
| 2020 | 6,600 | 0.18 |
| 2019 (Dec) | 4,300 | 0.063 |
Field details
| Status | Producing |
|---|---|
| Type | Oil field |
| Operator | BP Exploration |
| Partners |
|
| Discovered | January 1995 (well 204/19-6) |
| First production | December 2019 |
| Region | West of Shetland |
| Wells inside the outline | 2 |
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
- Fields within 10 km: Schiehallion (1.2 km), Foinaven (2.5 km), Loyal (4.5 km).
- Protected areas overlapping the field: Faroe-Shetland Sponge Belt NCMPA.
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.