While every effort is made to ensure that this information is correct and up-to-date, North Sea Transition Authority does not accept any responsibility for the accuracy of the information on this website, and does not accept any liability for any direct, indirect or consequential loss or damage of any nature, however caused, which may be sustained as a result of reliance upon such information.
This information is broken down by Licence and acreage.
It does not show Field or Unit interests.
| Block / Subarea | Licence | Operator | Operator's Group | Equity Holder | Equity Holder's Group | Interest |
23/6 ALL | P2644 | NO OPERATOR | NO OPERATOR | DANA PETROLEUM (E&P) LIMITED | DANA PETROLEUM LIMITED | 100 |
| |
23/11a F
 | P1051 | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 100 |
| |
23/11b ALL | P2644 | NO OPERATOR | NO OPERATOR | DANA PETROLEUM (E&P) LIMITED | DANA PETROLEUM LIMITED | 100 |
| |
23/16a ALL | P59 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 87.354915 |
| | | | NEO NEXT+ ENERGY CENTRAL NORTH SEA LIMITED | NEO NEXT+ ENERGY | 12.645085 |
| |
23/16b AREA A
 | P359 | ADURA OPERATIONS LIMITED | ADURA ENERGY | ADURA OPERATIONS LIMITED | ADURA ENERGY | 23.47635 |
| | | | DNO NORTH SEA (U.K.) LIMITED | DNO NORTH SEA | 18.8812 |
| | | | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 57.64245 |
| |
23/16b AREA B
 | P359 | ADURA OPERATIONS LIMITED | ADURA ENERGY | ADURA OPERATIONS LIMITED | ADURA ENERGY | 66.52105 |
| | | | DNO NORTH SEA (U.K.) LIMITED | DNO NORTH SEA | 21.85461 |
| | | | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 11.62434 |
| |
23/16c ALL | P1720 | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | DNO NORTH SEA (U.K.) LIMITED | DNO NORTH SEA | 50 |
| | | | ROCKROSE UKCS4 LIMITED | ROCKROSE ENERGY | 50 |
| |
23/16e ALL | P2644 | NO OPERATOR | NO OPERATOR | DANA PETROLEUM (E&P) LIMITED | DANA PETROLEUM LIMITED | 100 |
| |
23/16f ALL | P1314 | SERICA ENERGY (UK) LIMITED | SERICA ENERGY | SERICA ENERGY (UK) LIMITED | SERICA ENERGY | 0 |
| | | | SERICA ENERGY MISTRAL LIMITED | SERICA ENERGY | 75 |
| | | | WALDORF PRODUCTION UK PLC | WALDORF PRODUCTION | 25 |
| |
23/21a B
 | P101 | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 100 |
| |
23/21a COL
 | P101 | SERICA ENERGY (UK) LIMITED | SERICA ENERGY | SERICA ENERGY (UK) LIMITED | SERICA ENERGY | 0 |
| | | | SERICA ENERGY MISTRAL LIMITED | SERICA ENERGY | 75 |
| | | | WALDORF PRODUCTION UK PLC | WALDORF PRODUCTION | 25 |
| |
23/21a D
 | P101 | NO OPERATOR | NO OPERATOR | NO OPERATOR | NO OPERATOR | 100 |
| |
23/21a F
 | P101 | NO OPERATOR | NO OPERATOR | NO OPERATOR | NO OPERATOR | 100 |
| |
23/21a RES
 | P101 | NO OPERATOR | NO OPERATOR | NO OPERATOR | NO OPERATOR | 100 |
| |
23/21b ALL | P2544 | NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED | NEO NEXT+ ENERGY | NEO NEXT + ENERGY DELTA LIMITED | NEO NEXT+ ENERGY | 32 |
| | | | NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED | NEO NEXT+ ENERGY | 49.9873 |
| | | | NEO NEXT+ ENERGY PETROLEUM LIMITED | NEO NEXT+ ENERGY | 18.0127 |
| |
23/22a ALL | P111 | ADURA OPERATIONS LIMITED | ADURA ENERGY | ADURA OPERATIONS LIMITED | ADURA ENERGY | 65.9873 |
| | | | ITHACA SP E&P LIMITED | ITHACA ENERGY | 34.0127 |
| |
23/26a AREAA
 | P57 | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | BP EXPLORATION OPERATING COMPANY LIMITED | BP EXPLORATION | 100 |
| |
23/26a AREAB
 | P57 | ITHACA ENERGY (UK) LIMITED | ITHACA ENERGY | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 32 |
| | | | ITHACA ENERGY (UK) LIMITED | ITHACA ENERGY | 25 |
| | | | ITHACA MA LIMITED | ITHACA ENERGY | 25 |
| | | | SERICA ENERGY MISTRAL LIMITED | SERICA ENERGY | 18 |
| |
23/26b AREAB
 | P264 | ITHACA ENERGY (UK) LIMITED | ITHACA ENERGY | CHRYSAOR LIMITED | HARBOUR ENERGY PLC | 32 |
| | | | ITHACA ENERGY (UK) LIMITED | ITHACA ENERGY | 25 |
| | | | ITHACA MA LIMITED | ITHACA ENERGY | 25 |
| | | | SERICA ENERGY MISTRAL LIMITED | SERICA ENERGY | 18 |
| |
23/26b AREAC
 | P264 | ITHACA ENERGY (UK) LIMITED | ITHACA ENERGY | BRITOIL LIMITED | BP EXPLORATION | 0 |
| | | | ITHACA ENERGY (UK) LIMITED | ITHACA ENERGY | 60 |
| | | | SERICA ENERGY MISTRAL LIMITED | SERICA ENERGY | 40 |
| |
23/26c ALL | P2615 | NO OPERATOR | NO OPERATOR | ADURA OPERATIONS LIMITED | ADURA ENERGY | 55.5 |
| | | | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | 44.5 |
| |
23/26d A
 | P264 | PREMIER OIL UK LIMITED | HARBOUR ENERGY PLC | PREMIER OIL UK LIMITED | HARBOUR ENERGY PLC | 100 |
| |
23/26d AREAC
 | P264 | ITHACA ENERGY (UK) LIMITED | ITHACA ENERGY | BRITOIL LIMITED | BP EXPLORATION | 40 |
| | | | ITHACA ENERGY (UK) LIMITED | ITHACA ENERGY | 60 |
| |
23/26e ALL | P2390 | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | ADURA OPERATIONS LIMITED | ADURA ENERGY | 40 |
| | | | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | 45 |
| | | | SOLITON RESOURCES LIMITED | SOLITON RESOURCES LIMITED | 15 |
| |
23/26g ALL | P2544 | NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED | NEO NEXT+ ENERGY | NEO NEXT + ENERGY DELTA LIMITED | NEO NEXT+ ENERGY | 32 |
| | | | NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED | NEO NEXT+ ENERGY | 49.9873 |
| | | | NEO NEXT+ ENERGY PETROLEUM LIMITED | NEO NEXT+ ENERGY | 18.0127 |
| |
23/27a ALL | P114 | ADURA OPERATIONS LIMITED | ADURA ENERGY | ADURA OPERATIONS LIMITED | ADURA ENERGY | 100 |