Gas field · UK
Orwell
Orwell is a gas field in the southern North Sea, operated by Tullow UK. It was discovered in 1990 and produced from 1993 to 2009. Production has ceased. Over its life it produced about 8.6 billion cubic metres of gas.
Production
Orwell produced about 301,000 barrels of oil and condensate and 8.6 billion cubic metres of gas between August 1993 and February 2009.
Latest: under 0.001 million cubic metres a day in February 2009. Highest year: 1995, averaging 4 million cubic metres a day. Highest month: August 1995.
Latest: 0 barrels a day in February 2009. Highest year: 1997, averaging 130 barrels a day. Highest month: January 1997.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2009 (Jan–Feb) | 0 | 0.002 |
| 2008 | 3 | 0.074 |
| 2007 | 6 | 0.29 |
| 2006 | 8 | 0.47 |
| 2005 | 10 | 0.59 |
| 2004 | 12 | 0.76 |
| 2003 | 29 | 1.1 |
| 2002 | 31 | 1 |
| 2001 | 38 | 1.4 |
| 2000 | 65 | 2 |
| 1999 | 49 | 1.8 |
| 1998 | 110 | 2.3 |
| 1997 | 130 | 2 |
| 1996 | 100 | 2.2 |
| 1995 | 110 | 4 |
| 1994 | 82 | 2.8 |
| 1993 (Aug–Dec) | 80 | 2.2 |
Field details
| Status | Production ceased |
|---|---|
| Type | Gas field |
| Operator | Tullow UK |
| Licensee |
|
| Original operator | Arco |
| Discovered | February 1990 (well 50/26a-2) |
| First production | August 1993 |
| Water depth | 33 m |
| Region | Southern North Sea |
| Wells inside the outline | 7 |
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: South Sean (8.2 km), East Sean (8.8 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.