Gas field · UK
Ann
Ann is a gas field in the southern North Sea, operated by Spirit Energy. It was discovered in 1966 and produced from 1993 to 2012. Production has ceased. Over its life it produced about 633,000 barrels of oil and condensate and 1.8 billion cubic metres of gas.
Production
Ann produced about 633,000 barrels of oil and condensate and 1.8 billion cubic metres of gas between April 1994 and September 2012.
Latest: 0.002 million cubic metres a day in September 2012. Highest year: 1996, averaging 1.2 million cubic metres a day. Highest month: November 1996.
Latest: under 1 barrels a day in September 2012. Highest year: 1995, averaging 370 barrels a day. Highest month: April 1995.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2012 (Jan–Sep) | 4 | 0.057 |
| 2011 | 5 | 0.066 |
| 2010 | 11 | 0.088 |
| 2009 | 18 | 0.096 |
| 2008 | 17 | 0.12 |
| 2007 | 22 | 0.15 |
| 2006 | 39 | 0.3 |
| 2005 | 32 | 0.16 |
| 2004 | 53 | 0.2 |
| 2003 | 71 | 0.27 |
| 2002 | 25 | 0.09 |
| 2001 | 57 | 0.23 |
| 2000 | 100 | 0.44 |
| 1999 | 110 | 0.45 |
| 1998 | 91 | 0.38 |
| 1997 | 180 | 0.74 |
| 1996 | 280 | 1.2 |
| 1995 | 370 | 0.031 |
| 1994 (Apr–Dec) | 330 | 0 |
Field details
| Status | Production ceased |
|---|---|
| Type | Gas field |
| Operator | Spirit Energy |
| Licensee |
|
| Original operator | Phillips |
| Discovered | May 1966 (well 49/06-1) |
| First production | October 1993 |
| Water depth | 30 m |
| Region | Southern North Sea |
| Wells inside the outline | 9 |
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
- Fields within 10 km: Tethys (3.6 km), Saturn (4.2 km).
- Wind farms within 40 km: Hornsea One (13 km), Hornsea Two (26 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.