| 51 | Garten Oil and Gas Field (United Kingdom) | Oil & gas field | 2.51 million boe/y | Operating | 2018 |
| 52 | Pierce Oil and Gas Field (United Kingdom) | Oil & gas field | 2.47 million boe/y | Operating | 1999 |
| 53 | Varadero Oil and Gas Field (United Kingdom) | Oil & gas field | 2.43 million boe/y | Operating | 2017 |
| 54 | Andrew Oil and Gas Field (United Kingdom) | Oil & gas field | 2.40 million boe/y | Operating | 1996 |
| 55 | Mungo Oil and Gas Field (United Kingdom) | Oil & gas field | 2.32 million boe/y | Operating | 1998 |
| 56 | Harding Oil and Gas Field (United Kingdom) | Oil & gas field | 2.30 million boe/y | Operating | 1996 |
| 57 | Gannet E Oil and Gas Field (United Kingdom) | Oil & gas field | 2.22 million boe/y | Operating | 1998 |
| 58 | Bittern Oil and Gas Field (United Kingdom) | Oil & gas field | 2.17 million boe/y | Operating | 2000 |
| 59 | Gannet F Oil and Gas Field (United Kingdom) | Oil & gas field | 2.09 million boe/y | Operating | 1997 |
| 60 | Huntington Oil and Gas Field (United Kingdom) | Oil & gas field | 2.04 million boe/y | Mothballed | 2013 |
| 61 | Callanish Oil and Gas Field (United Kingdom) | Oil & gas field | 2.04 million boe/y | Operating | 2008 |
| 62 | Scott Oil and Gas Field (United Kingdom) | Oil & gas field | 1.95 million boe/y | Operating | 1993 |
| 63 | Clipper South Oil and Gas Field (United Kingdom) | Oil & gas field | 1.90 million boe/y | Operating | 2012 |
| 64 | Banff Oil and Gas Field (United Kingdom) | Oil & gas field | 1.89 million boe/y | Mothballed | 1996 |
| 65 | Breagh Oil and Gas Field (United Kingdom) | Oil & gas field | 1.89 million boe/y | Operating | 2013 |
| 66 | West Brae Oil and Gas Field (United Kingdom) | Oil & gas field | 1.88 million boe/y | Operating | 1997 |
| 67 | Harris Oil and Gas Field (United Kingdom) | Oil & gas field | 1.87 million boe/y | Mothballed | 2017 |
| 68 | Galleon Oil and Gas Field (United Kingdom) | Oil & gas field | 1.86 million boe/y | Operating | 1994 |
| 69 | Gannet A Oil and Gas Field (United Kingdom) | Oil & gas field | 1.77 million boe/y | Operating | 1993 |
| 70 | West Sole Oil and Gas Field (United Kingdom) | Oil & gas field | 1.74 million boe/y | Operating | 1967 |
| 71 | Fram Gas Field (United Kingdom) | Oil & gas field | 1.71 million boe/y | Operating | 2020 |
| 72 | Cook Oil and Gas Field (United Kingdom) | Oil & gas field | 1.69 million boe/y | Operating | 2000 |
| 73 | Piper Oil and Gas Field (United Kingdom) | Oil & gas field | 1.69 million boe/y | Operating | 1976 |
| 74 | Bruce Oil and Gas Field (United Kingdom) | Oil & gas field | 1.68 million boe/y | Operating | 1993 |
| 75 | Calder Oil and Gas Field (United Kingdom) | Oil & gas field | 1.65 million boe/y | Operating | 2004 |
| 76 | Statfjord Oil and Gas Field (United Kingdom) | Oil & gas field | 1.64 million boe/y | Operating | 1979 |
| 77 | Jura Oil and Gas Field (United Kingdom) | Oil & gas field | 1.57 million boe/y | Operating | 2008 |
| 78 | Madoes Oil and Gas Field (United Kingdom) | Oil & gas field | 1.56 million boe/y | Operating | 2002 |
| 79 | Humbly Grove Oil and Gas Field (United Kingdom) | Oil & gas field | 1.54 million boe/y | Operating | 1986 |
| 80 | Cayley Oil and Gas Field (United Kingdom) | Oil & gas field | 1.52 million boe/y | Operating | 2017 |
| 81 | Abigail Gas Field (United Kingdom) | Oil & gas field | 1.51 million boe/y | Operating | 2022 |
| 82 | Barque Oil and Gas Field (United Kingdom) | Oil & gas field | 1.51 million boe/y | Operating | 1990 |
| 83 | Penguins Oil and Gas Field (United Kingdom) | Oil & gas field | 1.46 million boe/y | Operating | 2002 |
| 84 | Brae-South Oil and Gas Field (United Kingdom) | Oil & gas field | 1.46 million boe/y | Operating | 1983 |
| 85 | Gannet D Oil and Gas Field (United Kingdom) | Oil & gas field | 1.45 million boe/y | Operating | 1992 |
| 86 | Ravenspurn N Oil and Gas Field (United Kingdom) | Oil & gas field | 1.44 million boe/y | Operating | 1989 |
| 87 | Alligin Oil and Gas Field (United Kingdom) | Oil & gas field | 1.39 million boe/y | Operating | 2019 |
| 88 | Devenick Oil and Gas Field (United Kingdom) | Oil & gas field | 1.38 million boe/y | Operating | 2012 |
| 89 | Ravenspurn S Oil and Gas Field (United Kingdom) | Oil & gas field | 1.36 million boe/y | Operating | 1989 |
| 90 | Evelyn Gas Field (United Kingdom) | Oil & gas field | 1.30 million boe/y | Operating | 2022 |
| 91 | Chiswick Oil and Gas Field (United Kingdom) | Oil & gas field | 1.29 million boe/y | Operating | 2007 |
| 92 | Indefatigable (Perenco) Oil and Gas Field (United Kingdom) | Oil & gas field | 1.29 million boe/y | Operating | 1971 |
| 93 | Orlando Oil and Gas Field (United Kingdom) | Oil & gas field | 1.27 million boe/y | Operating | 2017 |
| 94 | Cormorant North Oil and Gas Field (United Kingdom) | Oil & gas field | 1.27 million boe/y | Mothballed | 1982 |
| 95 | Solan Oil and Gas Field (United Kingdom) | Oil & gas field | 1.27 million boe/y | Operating | 2016 |
| 96 | Alba Oil and Gas Field (United Kingdom) | Oil & gas field | 1.22 million boe/y | Operating | 1994 |
| 97 | Kinnoull Oil and Gas Field (United Kingdom) | Oil & gas field | 1.22 million boe/y | Operating | 2014 |
| 98 | Maclure Oil and Gas Field (United Kingdom) | Oil & gas field | 1.22 million boe/y | Operating | 2002 |
| 99 | South Cormorant Oil and Gas Field (United Kingdom) | Oil & gas field | 1.20 million boe/y | Operating | 1979 |
| 100 | Nevis Oil and Gas Field (United Kingdom) | Oil & gas field | 1.16 million boe/y | Operating | 1996 |