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 |
20/1a NORTH
 | P928 | CNOOC PETROLEUM EUROPE LIMITED | CNOOC INTERNATIONAL | CNOOC PETROLEUM EUROPE LIMITED | CNOOC INTERNATIONAL | 36.54 |
| | | | ENQUEST HEATHER LIMITED | ENQUEST PLC | 26.69 |
| | | | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | 31.56 |
| | | | PRAX HURRICANE GLA LIMITED | SERICA ENERGY | 5.21 |
| |
20/1a SOUTH
 | P928 | CNOOC PETROLEUM EUROPE LIMITED | CNOOC INTERNATIONAL | ADURA OPERATIONS LIMITED | ADURA ENERGY | 29.89122 |
| | | | CHRYSAOR PRODUCTION (U.K.) LIMITED | HARBOUR ENERGY PLC | 21.73307 |
| | | | CNOOC PETROLEUM EUROPE LIMITED | CNOOC INTERNATIONAL | 43.21254 |
| | | | ONE-DYAS UK LIMITED | ONE-DYAS | 5.16317 |
| |
20/5a ALL | P2498 | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | JERSEY PETROLEUM LTD | JERSEY OIL AND GAS PLC | 20 |
| | | | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | 50 |
| | | | SERICA ENERGY (UK) LIMITED | SERICA ENERGY | 30 |
| |
20/5b ALL | P2170 | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | JERSEY PETROLEUM LTD | JERSEY OIL AND GAS PLC | 8 |
| | | | JERSEY V&C LTD | JERSEY OIL AND GAS PLC | 12 |
| | | | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | 50 |
| | | | SERICA ENERGY (UK) LIMITED | SERICA ENERGY | 30 |
| |
20/5e ALL | P2498 | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | JERSEY PETROLEUM LTD | JERSEY OIL AND GAS PLC | 20 |
| | | | NEO NEXT+ ENERGY (ZEX) LIMITED | NEO NEXT+ ENERGY | 50 |
| | | | SERICA ENERGY (UK) LIMITED | SERICA ENERGY | 30 |
| |
20/6a ALL | P986 | CNOOC PETROLEUM EUROPE LIMITED | CNOOC INTERNATIONAL | ADURA OPERATIONS LIMITED | ADURA ENERGY | 29.89122 |
| | | | CHRYSAOR PRODUCTION (U.K.) LIMITED | HARBOUR ENERGY PLC | 21.73307 |
| | | | CNOOC PETROLEUM EUROPE LIMITED | CNOOC INTERNATIONAL | 43.21254 |
| | | | ONE-DYAS UK LIMITED | ONE-DYAS | 5.16317 |
| |
20/28 ALL | P2639 | NO OPERATOR | NO OPERATOR | NORTH SEA NATURAL RESOURCES LTD | NORTH SEA NATURAL RESOURCES | 100 |
| |
20/29 ALL | P2639 | NO OPERATOR | NO OPERATOR | NORTH SEA NATURAL RESOURCES LTD | NORTH SEA NATURAL RESOURCES | 100 |
| |
20/30a ALL | P2639 | NO OPERATOR | NO OPERATOR | NORTH SEA NATURAL RESOURCES LTD | NORTH SEA NATURAL RESOURCES | 100 |