Gas field · UK
Big Dotty
Big Dotty is a gas field in UK waters. It was discovered in 1967 and produced. Production has ceased.
Production
North Sea Transition Authority has no production reported for Big Dotty up to July 2026.
Field details
| Status | Production ceased |
|---|---|
| Type | Gas field |
| Partners |
|
| Original operator | Tullow |
| Discovered | September 1967 (well 48/29-5) |
| First production | September 1976 |
| Water depth | 38 m |
| Wells inside the outline | 10 |
Platforms and installations
No platforms or production ships are recorded on the field or within 2 km of it.
Licences
The field lies in these 2 current licences:
Nearby
- Fields within 10 km: Little Dotty (0.6 km), Dawn (1.1 km), Deborah (1.5 km), Hewett (2.8 km), Della (3.7 km), Delilah (4.2 km).
- Wind farms within 40 km: Dudgeon (28 km), Sheringham Shoal (39 km).
- Protected areas overlapping the field: Southern North Sea SAC.
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.