Gas field · UK
Shamrock
Shamrock is a gas field in the southern North Sea, operated by Shell PLC. It was discovered in 1971 and has produced since 2008. In July 2026 it produced about 0.049 million cubic metres of gas a day.
Production
Shamrock has produced about 1 million barrels of oil and condensate and 1.4 billion cubic metres of gas since May 2008.
Latest: 0.049 million cubic metres a day in July 2026. Highest year: 2010, averaging 1.1 million cubic metres a day. Highest month: May 2010.
Latest: 8 barrels a day in July 2026. Highest year: 2010, averaging 740 barrels a day. Highest month: July 2013.
Average production by year
| Year | Oil and condensate, barrels a day | Gas, million m³ a day |
|---|---|---|
| 2026 (Jan–Jul) | 13 | 0.052 |
| 2025 | 1 | 0.007 |
| 2024 | 7 | 0.028 |
| 2023 | 150 | 0.26 |
| 2022 | under 1 | 0.002 |
| 2021 | 9 | 0.008 |
| 2020 | 3 | 0.004 |
| 2019 | 6 | 0.025 |
| 2018 | 15 | 0.049 |
| 2017 | 22 | 0.066 |
| 2016 | 28 | 0.084 |
| 2015 | 47 | 0.15 |
| 2014 | 29 | 0.065 |
| 2013 | 580 | 0.47 |
| 2012 | 220 | 0.35 |
| 2011 | 190 | 0.25 |
| 2010 | 740 | 1.1 |
| 2009 | 680 | 0.77 |
| 2008 (May–Dec) | 210 | 0.27 |
Field details
| Status | Producing |
|---|---|
| Type | Gas field |
| Operator | Shell PLC |
| Licensee |
|
| Original operator | Shell |
| Discovered | April 1971 (well 49/20-2) |
| First production | May 2008 |
| Water depth | 31 m |
| Region | Southern North Sea |
| Wells inside the outline | 6 |
Platforms and installations
Licences
The field lies in these 2 current licences:
Nearby
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.