Block / Subarea | Licence | Operator | Operator's Group | Equity Holder | Equity Holder's Group | Interest |
22/1b ALL | P2373 | ITHACA OIL AND GAS LIMITED | ITHACA ENERGY | ITHACA OIL AND GAS LIMITED | ITHACA ENERGY | 100 |
|
22/4a ARMA
 | P355 | CHRYSAOR NORTH SEA LIMITED | HARBOUR ENERGY PLC | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 49.66 |
| | | | CHRYSAOR NORTH SEA LIMITED | HARBOUR ENERGY PLC | 50.34 |
|
22/5a ARMAD
 | P66 | CHRYSAOR NORTH SEA LIMITED | HARBOUR ENERGY PLC | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 11.66667 |
| | | | CHRYSAOR NORTH SEA LIMITED | HARBOUR ENERGY PLC | 88.33333 |
|
22/5b ARMA
 | P356 | CHRYSAOR NORTH SEA LIMITED | HARBOUR ENERGY PLC | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 25 |
| | | | CHRYSAOR NORTH SEA LIMITED | HARBOUR ENERGY PLC | 75 |
|
22/5b REST
 | P356 | CHRYSAOR NORTH SEA LIMITED | HARBOUR ENERGY PLC | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 43 |
| | | | CHRYSAOR NORTH SEA LIMITED | HARBOUR ENERGY PLC | 57 |
|
22/5c ALL | P2538 | NO OPERATOR | NO OPERATOR | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 100 |
|
22/5d A
 | P66 | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 100 |
|
22/6a BRIM
 | P84 | APACHE NORTH SEA LIMITED | APACHE CORPORATION | APACHE NORTH SEA LIMITED | APACHE CORPORATION | 97.13915 |
| | | | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 2.86085 |
|
22/6a REST
 | P84 | NEO ENERGY UPSTREAM UK LIMITED | NEO ENERGY GROUP | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 100 |
|
22/6c A
 | P255 | APACHE NORTH SEA LIMITED | APACHE CORPORATION | APACHE NORTH SEA LIMITED | APACHE CORPORATION | 50 |
| | | | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 20 |
| | | | WALDORF PRODUCTION UK PLC | WALDORF PRODUCTION | 30 |
|
22/6s A
 | P255 | APACHE NORTH SEA LIMITED | APACHE CORPORATION | APACHE NORTH SEA LIMITED | APACHE CORPORATION | 50 |
| | | | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 20 |
| | | | WALDORF PRODUCTION UK PLC | WALDORF PRODUCTION | 30 |
|
22/6s B
 | P255 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
|
22/7a NELS
 | P87 | PREMIER OIL E&P UK LIMITED | HARBOUR ENERGY PLC | PREMIER OIL E&P UK LIMITED | HARBOUR ENERGY PLC | 46.5 |
| | | | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 53.5 |
|
22/7a REST
 | P87 | APACHE BERYL I LIMITED | APACHE CORPORATION | APACHE BERYL I LIMITED | APACHE CORPORATION | 100 |
|
22/8a ALL | P2377 | SHELL U.K. LIMITED | SHELL PLC | SHELL U.K. LIMITED | SHELL PLC | 100 |
|
22/9a C
 | P101 | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 100 |
|
22/9b ALL | P2382 | ITHACA ZETA LIMITED | ITHACA ENERGY | DANA PETROLEUM (E&P) LIMITED | DANA PETROLEUM LIMITED | 50 |
| | | | ITHACA ZETA LIMITED | ITHACA ENERGY | 50 |
|
22/10a ALL | P66 | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 100 |
|
22/10b ALL | P2644 | NO OPERATOR | NO OPERATOR | DANA PETROLEUM (E&P) LIMITED | DANA PETROLEUM LIMITED | 100 |
|
22/11a NELS
 | P69 | ENTERPRISE OIL LIMITED | SHELL PLC | APACHE NORTH SEA LIMITED | APACHE CORPORATION | 21.2766 |
| | | | ENTERPRISE OIL LIMITED | SHELL PLC | 68.0851 |
| | | | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 10.6383 |
|
22/11a REST
 | P69 | ENTERPRISE OIL LIMITED | SHELL PLC | APACHE NORTH SEA LIMITED | APACHE CORPORATION | 21.2766 |
| | | | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 10.6383 |
| | | | SHELL EP OFFSHORE VENTURES LIMITED | SHELL PLC | 68.0851 |
|
22/12a D
 | P77 | APACHE NORTH SEA LIMITED | APACHE CORPORATION | APACHE NORTH SEA LIMITED | APACHE CORPORATION | 80 |
| | | | ITHACA SP E&P LIMITED | ITHACA ENERGY | 10 |
| | | | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 10 |
|
22/12a E
 | P77 | ENTERPRISE OIL LIMITED | SHELL PLC | ENTERPRISE OIL LIMITED | SHELL PLC | 60 |
| | | | SHELL EP OFFSHORE VENTURES LIMITED | SHELL PLC | 40 |
|
22/12a NELS
 | P77 | ENTERPRISE OIL LIMITED | SHELL PLC | PREMIER OIL E&P UK LIMITED | HARBOUR ENERGY PLC | 50 |
| | | | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 50 |
|
22/12b ALL | P2645 | NO OPERATOR | NO OPERATOR | HARVESTER ENERGY (UK) LIMITED | HARVESTER ENERGY (UK) LIMITED | 100 |
|
22/12c REST
 | P77 | ENTERPRISE OIL LIMITED | SHELL PLC | BRIDGE PETROLEUM 1 LIMITED | BRIDGE PETROLEUM GROUP | 20 |
| | | | ENTERPRISE OIL LIMITED | SHELL PLC | 36 |
| | | | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 20 |
| | | | SHELL EP OFFSHORE VENTURES LIMITED | SHELL PLC | 24 |
|
22/13a ALL | P96 | BRIDGE PETROLEUM 1 LIMITED | BRIDGE PETROLEUM GROUP | BRIDGE PETROLEUM 1 LIMITED | BRIDGE PETROLEUM GROUP | 38 |
| | | | BRIDGE PETROLEUM 5 LIMITED | BRIDGE PETROLEUM GROUP | 62 |
|
22/14a D
 | P110 | NO OPERATOR | NO OPERATOR | NO OPERATOR | NO OPERATOR | 100 |
|
22/14a E
 | P110 | NO OPERATOR | NO OPERATOR | NO OPERATOR | NO OPERATOR | 100 |
|
22/14a EVER
 | P110 | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 100 |
|
22/14a REST
 | P110 | NO OPERATOR | NO OPERATOR | NO OPERATOR | NO OPERATOR | 100 |
|
22/14b ALL | P1114 | PREMIER OIL E&P UK LIMITED | HARBOUR ENERGY PLC | PREMIER OIL E&P UK LIMITED | HARBOUR ENERGY PLC | 100 |
|
22/14c ALL | P2382 | ITHACA ZETA LIMITED | ITHACA ENERGY | DANA PETROLEUM (E&P) LIMITED | DANA PETROLEUM LIMITED | 50 |
| | | | ITHACA ZETA LIMITED | ITHACA ENERGY | 50 |
|
22/15a ALL | P2541 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
|
22/15c ALL | P2644 | NO OPERATOR | NO OPERATOR | DANA PETROLEUM (E&P) LIMITED | DANA PETROLEUM LIMITED | 100 |
|
22/17n ALL | P19 | REPSOL RESOURCES UK LIMITED | REPSOL RESOURCES UK | ITHACA MA LIMITED | ITHACA ENERGY | 41.03 |
| | | | REPSOL DELTA LIMITED | REPSOL RESOURCES UK | 58.97 |
|
22/17s ALL | P291 | REPSOL RESOURCES UK LIMITED | REPSOL RESOURCES UK | ITHACA MA LIMITED | ITHACA ENERGY | 41.03 |
| | | | REPSOL DELTA LIMITED | REPSOL RESOURCES UK | 58.97 |
|
22/18a ALL | P292 | REPSOL RESOURCES UK LIMITED | REPSOL RESOURCES UK | ITHACA MA LIMITED | ITHACA ENERGY | 41.03 |
| | | | REPSOL DELTA LIMITED | REPSOL RESOURCES UK | 58.97 |
|
22/18c ALL | P2541 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
|
22/18e ALL | P2025 | NO OPERATOR | NO OPERATOR | PETROGAS NORTH SEA LIMITED | PETROGAS INTERNATIONAL | 100 |
|
22/18n ALL | P20 | REPSOL RESOURCES UK LIMITED | REPSOL RESOURCES UK | ITHACA MA LIMITED | ITHACA ENERGY | 41.03 |
| | | | REPSOL DELTA LIMITED | REPSOL RESOURCES UK | 58.97 |
|
22/19a ALL | P2025 | PETROGAS NORTH SEA LIMITED | PETROGAS INTERNATIONAL | PETROGAS NORTH SEA LIMITED | PETROGAS INTERNATIONAL | 100 |
|
22/19c ALL | P2541 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
|
22/20a MUNGO
 | P59 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 87.354915 |
| | | | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 12.645085 |
|
22/20c ALL | P2541 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
|
22/20d MONAN
 | P59 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 87.354915 |
| | | | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 12.645085 |
|
22/21a ALL | P13 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
|
22/21b ALL | P13 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
|
22/21d ALL | P2641 | NO OPERATOR | NO OPERATOR | NEO ENERGY (ZEX) LIMITED | NEO ENERGY GROUP | 100 |
|
22/22a ALL | P291 | REPSOL RESOURCES UK LIMITED | REPSOL RESOURCES UK | ITHACA MA LIMITED | ITHACA ENERGY | 41.03 |
| | | | REPSOL DELTA LIMITED | REPSOL RESOURCES UK | 58.97 |
|
22/23a ALL | P291 | REPSOL RESOURCES UK LIMITED | REPSOL RESOURCES UK | ITHACA MA LIMITED | ITHACA ENERGY | 41.03 |
| | | | REPSOL DELTA LIMITED | REPSOL RESOURCES UK | 58.97 |
|
22/23b ALL | P233 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 50 |
| | | | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 50 |
|
22/24a ALL | P92 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
|
22/24b ALL | P358 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
|
22/24c ALL | P358 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
|
22/24f ALL | P2646 | NO OPERATOR | NO OPERATOR | DELTIC ENERGY PLC | DELTIC ENERGY | 100 |
|
22/24h ALL | P2452 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 80 |
| | | | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 20 |
|
22/24i ALL | P2541 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
|
22/24k ALL | P2025 | NO OPERATOR | NO OPERATOR | PETROGAS NORTH SEA LIMITED | PETROGAS INTERNATIONAL | 100 |
|
22/25a CULZEAN
 | P111 | TOTALENERGIES E&P NORTH SEA UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | BRITOIL LIMITED | BP EXPLORATION | 32 |
| | | | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 18.0127 |
| | | | TOTALENERGIES E&P NORTH SEA UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 49.9873 |
|
22/25a MERG
 | P111 | PREMIER OIL UK LIMITED | HARBOUR ENERGY PLC | PREMIER OIL UK LIMITED | HARBOUR ENERGY PLC | 65.9873 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 34.0127 |
|
22/25a REST
 | P111 | TOTALENERGIES E&P NORTH SEA UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | BRITOIL LIMITED | BP EXPLORATION | 32 |
| | | | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 18.0127 |
| | | | TOTALENERGIES E&P NORTH SEA UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 49.9873 |
|
22/25b ALL | P598 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 50 |
| | | | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 50 |
|
22/25c ALL | P2544 | TOTALENERGIES E&P NORTH SEA UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 32 |
| | | | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 18.0127 |
| | | | TOTALENERGIES E&P NORTH SEA UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 49.9873 |
|
22/25d MIRR
 | P111 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
|
22/25e ALL | P2646 | NO OPERATOR | NO OPERATOR | DELTIC ENERGY PLC | DELTIC ENERGY | 100 |
|
22/26a ALL | P13 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
|
22/26e ALL | P2642 | NO OPERATOR | NO OPERATOR | PAINTED WOLF RESOURCES LIMITED | PAINTED WOLF RESOURCES | 100 |
|
22/28a MADOES
 | P110 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | ARCO BRITISH LIMITED, LLC | BP EXPLORATION | 62.74 |
| | | | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 37.26 |
|
22/28d ALL | P886 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 50 |
| | | | NEO ENERGY CENTRAL NORTH SEA LIMITED | NEO ENERGY GROUP | 50 |
|
22/29b ALL | P2613 | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | ITHACA UKCS LIMITED | ITHACA ENERGY | 32.14 |
| | | | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 67.86 |
|
22/29c REST | P1622 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 50 |
| | | | ITHACA (NE) E&P LIMITED | ITHACA ENERGY | 35 |
| | | | JAPEX UK E&P LIMITED | JAPAN PETROLEUM EXPLORATION CO. | 15 |
|
22/29c SEAGULL
 | P1622 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 50 |
| | | | ITHACA (NE) E&P LIMITED | ITHACA ENERGY | 35 |
| | | | JAPEX UK E&P LIMITED | JAPAN PETROLEUM EXPLORATION CO. | 15 |
|
22/30a D
 | P12 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY NATURAL RESOURCES LIMITED | NEO ENERGY GROUP | 46.66667 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 53.33333 |
|
22/30a E
 | P12 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY NATURAL RESOURCES LIMITED | NEO ENERGY GROUP | 35 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 65 |
|
22/30a F
 | P12 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY NATURAL RESOURCES LIMITED | NEO ENERGY GROUP | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
|
22/30b B-RST
 | P188 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 44.5 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 55.5 |
|
22/30b ELGN
 | P188 | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | E. F. OIL AND GAS LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 10.4 |
| | | | ITHACA EF LIMITED | ITHACA ENERGY | 21.867 |
| | | | ITHACA SP E&P LIMITED | ITHACA ENERGY | 6.0875 |
| | | | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 4.375 |
| | | | ONE-DYAS E&P LIMITED | ONE-DYAS | 2.1875 |
| | | | PREMIER OIL UK LIMITED | HARBOUR ENERGY PLC | 19.31 |
| | | | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 15.773 |
| | | | TOTALENERGIES OFFSHORE UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 20 |
|
22/30c ALL | P666 | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | E. F. OIL AND GAS LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 10.4 |
| | | | ITHACA EF LIMITED | ITHACA ENERGY | 21.867 |
| | | | ITHACA SP E&P LIMITED | ITHACA ENERGY | 6.0875 |
| | | | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 4.375 |
| | | | ONE-DYAS E&P LIMITED | ONE-DYAS | 2.1875 |
| | | | PREMIER OIL UK LIMITED | HARBOUR ENERGY PLC | 19.31 |
| | | | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 15.773 |
| | | | TOTALENERGIES OFFSHORE UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 20 |
|
22/30d ALL | P2614 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY (ZEX) LIMITED | NEO ENERGY GROUP | 44.5 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 55.5 |
|
22/30e ALL | P1807 | SHELL U.K. LIMITED | SHELL PLC | NEO ENERGY PETROLEUM LIMITED | NEO ENERGY GROUP | 44.5 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 55.5 |