Equity Holder | Block / Subarea | Interest | Operator | Licence |
REPSOL ALPHA LIMITED | 13/29a | 21% | REPSOL RESOURCES UK LIMITED | P307 |
| 14/18a REST | 19.556% | REPSOL RESOURCES UK LIMITED | P263 |
| 14/19a B | 19.556% | REPSOL RESOURCES UK LIMITED | P250 |
| 14/19n CLAYM | 13.7333% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19n RESID | 19.556% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19s REST | 19.556% | REPSOL RESOURCES UK LIMITED | P250 |
| 14/20b 14/20B CLAYMORE | 13.7333% | REPSOL RESOURCES UK LIMITED | P324 |
| 15/17n REST | 19.556% | REPSOL RESOURCES UK LIMITED | P220 |
|
REPSOL BETA LIMITED | 16/22a REST | 7.0841% | REPSOL NORTH SEA LIMITED | P240 |
|
REPSOL DELTA LIMITED | 13/24a | 66.56818% | REPSOL RESOURCES UK LIMITED | P101 |
| 13/24b D | 66.56818% | REPSOL RESOURCES UK LIMITED | P810 |
| 13/24b E | 68.18% | REPSOL RESOURCES UK LIMITED | P810 |
| 13/29b BLAKE FIELD | 80% | REPSOL RESOURCES UK LIMITED | P729 |
| 14/18a SCAPA | 99% | REPSOL RESOURCES UK LIMITED | P263 |
| 14/19n CLAYM | 10.3784% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19n SCAPA | 99% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19s SCAPA | 99% | REPSOL RESOURCES UK LIMITED | P250 |
| 21/1c NNBUC | 100% | REPSOL RESOURCES UK LIMITED | P241 |
| 21/2c CRW | 100% | REPSOL RESOURCES UK LIMITED | P244 |
| 22/17n | 58.97% | REPSOL RESOURCES UK LIMITED | P19 |
| 22/17s | 58.97% | REPSOL RESOURCES UK LIMITED | P291 |
| 22/18a | 58.97% | REPSOL RESOURCES UK LIMITED | P292 |
| 22/18n | 58.97% | REPSOL RESOURCES UK LIMITED | P20 |
| 22/22a | 58.97% | REPSOL RESOURCES UK LIMITED | P291 |
| 22/23a | 58.97% | REPSOL RESOURCES UK LIMITED | P291 |
|
REPSOL LNS LIMITED | 14/20b REST | 50% | REPSOL RESOURCES UK LIMITED | P324 |
|
REPSOL NORTH SEA LIMITED | 13/29b ROSS FIELD | 20% | REPSOL RESOURCES UK LIMITED | P729 |
| 14/18a REST | 36.667% | REPSOL RESOURCES UK LIMITED | P263 |
| 14/19a B | 36.667% | REPSOL RESOURCES UK LIMITED | P250 |
| 14/19n CLAYM | 36.6667% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19n RESID | 36.667% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19s REST | 36.667% | REPSOL RESOURCES UK LIMITED | P250 |
| 15/17n REST | 36.667% | REPSOL RESOURCES UK LIMITED | P220 |
| 16/21a BALMO | 15% | PREMIER OIL E&P UK LIMITED | P201 |
| 16/21a REST | 15% | PREMIER OIL E&P UK LIMITED | P201 |
| 16/21a STIRL | 15% | PREMIER OIL E&P UK LIMITED | P201 |
| 16/21b BALM | 15.8% | PREMIER OIL E&P UK LIMITED | P344 |
| 16/21b REST | 60% | REPSOL NORTH SEA LIMITED | P344 |
| 16/21c REST | 60% | REPSOL NORTH SEA LIMITED | P344 |
| 16/21c STIR | 15.8% | PREMIER OIL E&P UK LIMITED | P344 |
| 16/21d BALMO | 15% | PREMIER OIL E&P UK LIMITED | P201 |
| 16/21d REST | 15% | PREMIER OIL E&P UK LIMITED | P201 |
| 16/22a REST | 29.895% | REPSOL NORTH SEA LIMITED | P240 |
| 16/27a ANDREW | 26.48% | BP EXPLORATION OPERATING COMPANY LIMITED | P225 |
| 30/11b FULM | 100% | REPSOL NORTH SEA LIMITED | P185 |
| 30/16s E | 100% | REPSOL NORTH SEA LIMITED | P256 |
| 98/6a | 5% | PERENCO UK LIMITED | P534 |
| SY88b | 5% | PERENCO UK LIMITED | PL89 |
| SY98a | 5% | PERENCO UK LIMITED | PL89 |
| SZ8a | 5% | PERENCO UK LIMITED | PL89 |
|
REPSOL OIL TRADING LIMITED | 14/19n CLAYM | 1% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19n SCAPA | 0% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/20b H&P | 0% | BRIDGE PETROLEUM 3 LIMITED | P324 |
| 15/16a | 100% | REPSOL RESOURCES UK LIMITED | P237 |
| 15/16b G | 100% | REPSOL RESOURCES UK LIMITED | P324 |
|
REPSOL RESOURCES UK LIMITED | 13/28a | 64.75% | REPSOL RESOURCES UK LIMITED | P297 |
| 13/28c | 64.75% | REPSOL RESOURCES UK LIMITED | P973 |
| 13/29a | 50.667% | REPSOL RESOURCES UK LIMITED | P307 |
| 13/29b ROSS FIELD | 60% | REPSOL RESOURCES UK LIMITED | P729 |
| 14/18a REST | 20.277% | REPSOL RESOURCES UK LIMITED | P263 |
| 14/19a B | 20.277% | REPSOL RESOURCES UK LIMITED | P250 |
| 14/19n CLAYM | 13% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19n RESID | 20.277% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19s REST | 20.277% | REPSOL RESOURCES UK LIMITED | P250 |
| 14/20b 14/20B CLAYMORE | 36.2667% | REPSOL RESOURCES UK LIMITED | P324 |
| 15/17n REST | 20.277% | REPSOL RESOURCES UK LIMITED | P220 |
| 15/23a | 0% | BRIDGE PETROLEUM 3 LIMITED | P324 |
| 30/11b I | 60% | REPSOL RESOURCES UK LIMITED | P185 |
| 30/12b F | 60% | REPSOL RESOURCES UK LIMITED | P185 |
| 30/16a A | 100% | REPSOL RESOURCES UK LIMITED | P295 |
| 30/16b A | 100% | REPSOL RESOURCES UK LIMITED | P295 |
| 30/16c A | 100% | REPSOL RESOURCES UK LIMITED | P295 |
| 30/16n | 100% | REPSOL RESOURCES UK LIMITED | P116 |
| 30/16t AUK | 100% | REPSOL RESOURCES UK LIMITED | P295 |
| 30/17b | 60% | REPSOL RESOURCES UK LIMITED | P266 |
| 30/18a EAST | 100% | REPSOL RESOURCES UK LIMITED | P73 |
| 30/18a WEST | 100% | REPSOL RESOURCES UK LIMITED | P73 |
|
RIGEL PETROLEUM (NI) LIMITED | 14/18a SCAPA | 1% | REPSOL RESOURCES UK LIMITED | P263 |
| 14/19n SCAPA | 1% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19s SCAPA | 1% | REPSOL RESOURCES UK LIMITED | P250 |
| 30/13a EAST | 100% | REPSOL RESOURCES UK LIMITED | P79 |
| 30/14a E | 100% | REPSOL RESOURCES UK LIMITED | P255 |
| 30/17b | 20% | REPSOL RESOURCES UK LIMITED | P266 |
|
RIGEL PETROLEUM UK LIMITED | 13/24a | 1.14091% | REPSOL RESOURCES UK LIMITED | P101 |
| 13/24b D | 1.13182% | REPSOL RESOURCES UK LIMITED | P810 |
| 13/24b E | 1% | REPSOL RESOURCES UK LIMITED | P810 |
| 30/17b | 20% | REPSOL RESOURCES UK LIMITED | P266 |
|
TRANSWORLD PETROLEUM (U.K.) LIMITED | 14/18a REST | 23.5% | REPSOL RESOURCES UK LIMITED | P263 |
| 14/19a B | 23.5% | REPSOL RESOURCES UK LIMITED | P250 |
| 14/19n CLAYM | 17.7% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19n RESID | 23.5% | REPSOL RESOURCES UK LIMITED | P249 |
| 14/19s REST | 23.5% | REPSOL RESOURCES UK LIMITED | P250 |
| 14/20b 14/20B CLAYMORE | 50% | REPSOL RESOURCES UK LIMITED | P324 |
| 15/17n REST | 23.5% | REPSOL RESOURCES UK LIMITED | P220 |