Gas field · UK
Helvellyn
Helvellyn is a gas field in the southern North Sea, operated by Harbour Energy PLC. It was discovered in 1985 and produced from 2004 to 2017. Production has ceased. Over its life it produced about 521 million cubic metres of gas.
Production
Helvellyn produced about 98,000 barrels of oil and condensate and 521 million cubic metres of gas between March 2004 and January 2017.
Latest: 0.061 million cubic metres a day in January 2017. Highest year: 2005, averaging 0.2 million cubic metres a day. Highest month: March 2004.
Latest: 0 barrels a day in January 2017. Highest year: 2005, averaging 41 barrels a day. Highest month: March 2004.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2017 (Jan) | 0 | 0.061 |
| 2016 | 1 | 0.018 |
| 2015 | 0 | 0.052 |
| 2014 | 0 | under 0.001 |
| 2013 | 0 | 0 |
| 2012 | 4 | 0.022 |
| 2011 | 5 | 0.028 |
| 2010 | 14 | 0.074 |
| 2009 | 6 | 0.028 |
| 2008 | 10 | 0.066 |
| 2007 | 21 | 0.1 |
| 2006 | 26 | 0.13 |
| 2005 | 41 | 0.2 |
| 2004 (Mar–Dec) | 170 | 0.83 |
Field details
| Status | Production ceased |
|---|---|
| Type | Gas field |
| Operator | Harbour Energy PLC |
| Licensee |
|
| Original operator | ATP |
| Discovered | February 1985 (well 47/10-1) |
| First production | February 2004 |
| Water depth | 33 m |
| Region | Southern North Sea |
| Wells inside the outline | 8 |
Platforms and installations
No platforms or production ships are recorded on the field or within 2 km of it.
Nearby
- Fields within 10 km: Mercury (1.5 km), Ceres (1.8 km), Rose (5.8 km), Amethyst East (8.2 km), Amethyst West (8.5 km), West Sole (9.6 km).
- Wind farms within 40 km: Triton Knoll (27 km), Humber Gateway (34 km).
- Protected areas overlapping the field: Holderness Offshore MCZ - Secretary of State.
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.