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 |
49/4a
CHISWICK AREA
 | P468 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 80 |
| | | | SPIRIT NORTH SEA GAS LIMITED | SPIRIT ENERGY | 20 |
| |
49/4a
KEW AREA
| P468 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 100 |
| |
49/4b
ALL | P1186 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 80 |
| | | | SPIRIT NORTH SEA GAS LIMITED | SPIRIT ENERGY | 20 |
| |
49/4c
CHISWICK AREA
| P1186 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 80 |
| | | | SPIRIT NORTH SEA GAS LIMITED | SPIRIT ENERGY | 20 |
| |
49/4c
KEW AREA
| P1186 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 100 |
| |
49/5a
NORTH | P455 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 100 |
| |
49/5a
SOUTH | P455 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 97.5 |
| | | | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 2.5 |
| |
49/5b
ALL | P1186 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 100 |
| |
49/5c
ALL | P1186 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 100 |
| |
49/5e
NORTH | P455 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 100 |
| |
49/5e
SOUTH | P455 | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | SPIRIT ENERGY NORTH SEA LIMITED | SPIRIT ENERGY | 97.5 |
| | | | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 2.5 |
| |
49/6c
ALL | P2607 | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | 40 |
| | | | ROCKROSE (UKCS2) LIMITED | ROCKROSE ENERGY | 60 |
| |
49/8a
CUTT
| P523 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
| |
49/9a
A
| P132 | SPIRIT ENERGY RESOURCES LIMITED | SPIRIT ENERGY | ROCKROSE (UKCS3) LIMITED | ROCKROSE ENERGY | 10 |
| | | | SPIRIT ENERGY RESOURCES LIMITED | SPIRIT ENERGY | 90 |
| |
49/9a
B
| P132 | SPIRIT ENERGY RESOURCES LIMITED | SPIRIT ENERGY | ROCKROSE (UKCS3) LIMITED | ROCKROSE ENERGY | 7.5 |
| | | | SPIRIT ENERGY RESOURCES LIMITED | SPIRIT ENERGY | 92.5 |
| |
49/9a
CUTT
| P132 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
| |
49/9c
ALL | P901 | SPIRIT ENERGY RESOURCES LIMITED | SPIRIT ENERGY | ROCKROSE (UKCS3) LIMITED | ROCKROSE ENERGY | 7.5 |
| | | | SPIRIT ENERGY RESOURCES LIMITED | SPIRIT ENERGY | 92.5 |
| |
49/10a
ALL | P83 | SPIRIT ENERGY RESOURCES LIMITED | SPIRIT ENERGY | ROCKROSE (UKCS3) LIMITED | ROCKROSE ENERGY | 7.5 |
| | | | SPIRIT ENERGY RESOURCES LIMITED | SPIRIT ENERGY | 92.5 |
| |
49/10b
ALL | P701 | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | ENERGEAN EXPLORATION LIMITED | ENERGEAN PLC | 23.3978 |
| | | | INEOS UK SNS LIMITED | INEOS INDUSTRIES | 25.8065 |
| | | | TOTALENERGIES E&P UK LIMITED | TOTALENERGIES UPSTREAM UK LIMITED | 50.7957 |
| |
49/11c
ALL | P2607 | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | 40 |
| | | | ROCKROSE (UKCS2) LIMITED | ROCKROSE ENERGY | 60 |
| |
49/12d
ALL | P2607 | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | 40 |
| | | | ROCKROSE (UKCS2) LIMITED | ROCKROSE ENERGY | 60 |
| |
49/14b
ALL | P132 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
| |
49/15a
ALL | P54 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 33.333 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 66.667 |
| |
49/15c
ALL | P54 | SHELL U.K. LIMITED | SHELL PLC | SHELL U.K. LIMITED | SHELL PLC | 100 |
| |
49/17b
ALL | P2607 | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | HARTSHEAD RESOURCES LTD | 40 |
| | | | ROCKROSE (UKCS2) LIMITED | ROCKROSE ENERGY | 60 |
| |
49/18a
BRIG
| P16 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
| |
49/18a
INDI
| P16 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 76.92308 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 23.07692 |
| |
49/18a
REST
| P16 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 76.92308 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 23.07692 |
| |
49/19a
ALL | P8 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
| |
49/20a
AREAA
| P88 | SHELL U.K. LIMITED | SHELL PLC | SHELL U.K. LIMITED | SHELL PLC | 100 |
| |
49/20a
AREAB
| P88 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 29 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 71 |
| |
49/20b
AREAB
| P1015 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 29 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 71 |
| |
49/21a
J
| P39 | CALENERGY SNS LIMITED | CALENERGY GAS (HOLDINGS) | CALENERGY RESOURCES (UK) LIMITED | CALENERGY GAS (HOLDINGS) | 50 |
| | | | CALENERGY SNS LIMITED | CALENERGY GAS (HOLDINGS) | 50 |
| |
49/21a
REST
| P39 | CALENERGY SNS LIMITED | CALENERGY GAS (HOLDINGS) | CALENERGY RESOURCES (UK) LIMITED | CALENERGY GAS (HOLDINGS) | 50 |
| | | | CALENERGY SNS LIMITED | CALENERGY GAS (HOLDINGS) | 50 |
| |
49/21c
ALL | P1915 | CALENERGY SNS LIMITED | CALENERGY GAS (HOLDINGS) | CALENERGY RESOURCES (UK) LIMITED | CALENERGY GAS (HOLDINGS) | 50 |
| | | | CALENERGY SNS LIMITED | CALENERGY GAS (HOLDINGS) | 50 |
| |
49/23a
C
| P16 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 64.92 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 35.08 |
| |
49/23a
CORVT
| P16 | SHELL U.K. LIMITED | SHELL PLC | SHELL U.K. LIMITED | SHELL PLC | 100 |
| |
49/23a
D
| P16 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 100 |
| |
49/23a
E
| P16 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 76.92308 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 23.07692 |
| |
49/24a
NGAWA
| P7 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
| |
49/24e
A
| P7 | ONE-DYAS UK LIMITED | ONE-DYAS | ONE-DYAS UK LIMITED | ONE-DYAS | 100 |
| |
49/25a
ALL | P54 | ONE-DYAS UK LIMITED | ONE-DYAS | ONE-DYAS UK LIMITED | ONE-DYAS | 50 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 50 |
| |
49/25b
ALL | P2680 | NO OPERATOR | NO OPERATOR | ORCADIAN ENERGY (CNS) LTD | ORCADIAN ENERGY | 100 |
| |
49/26a
A
| P7 | SHELL U.K. LIMITED | SHELL PLC | ESSO EXPLORATION AND PRODUCTION UK LIMITED | EXXONMOBIL INTERNATIONAL | 50 |
| | | | SHELL U.K. LIMITED | SHELL PLC | 50 |
| |
49/27a
ALL | P16 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 76.92308 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 23.07692 |
| |
49/27b
ALL | P16 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 76.92308 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 23.07692 |
| |
49/28d
ELEM
| P37 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 100 |
| |
49/30a
J
| P64 | ONE-DYAS UK LIMITED | ONE-DYAS | ONE-DYAS UK LIMITED | ONE-DYAS | 50 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 50 |
| |
49/30b
ALL | P2680 | NO OPERATOR | NO OPERATOR | ORCADIAN ENERGY (CNS) LTD | ORCADIAN ENERGY | 100 |
| |
49/30c
ALL | P947 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 72.22222 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 27.77778 |
| |
49/30d
A
| P64 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 72.22222 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 27.77778 |
| |
49/30g
ALL
| P64 | PERENCO UK LIMITED | PERENCO OIL & GAS | PERENCO UK LIMITED | PERENCO OIL & GAS | 72.22222 |
| | | | ROCKROSE UKCS 10 LIMITED | ROCKROSE ENERGY | 27.77778 |
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