Company Name Company Registration Number ACE ENERGY DEVELOPMENT LIMITED 04881770
ACORN NORTH SEA LIMITED 04257334
ADAMS RESOURCES UK LIMITED 05132241
AGORA OIL AND GAS (UK) LIMITED SC366018
ALPHA PETROLEUM RESOURCES LIMITED 03949599
AMOCO (FIDDICH) LIMITED 01005360
AMOCO (U.K.) EXPLORATION COMPANY, LLC SF000790; BR005086 AMOCO U.K. PETROLEUM LIMITED 00799710
ANASURIA HIBISCUS UK LIMITED 09696268
ANASURIA OPERATING COMPANY LIMITED 09698591
ANTRIM ENERGY (UK) LIMITED 08882093
ANTRIM ENERGY (VENTURES) LIMITED 08882092
APACHE BERYL I LIMITED FC005975; BR001327
APACHE NORTH SEA LIMITED 04614761 ARCO BRITISH LIMITED, LLC FC005677; BR001713
ATLANTIC PETROLEUM NORTH SEA LIMITED 06459546
ATLANTIC PETROLEUM UK LIMITED 04395761
ATLANTIC RICHFIELD OIL & GAS (ST JAMES) LIMITED 02710823
AURORA PRODUCTION (UK) LIMITED SC301743
BACTON STORAGE COMPANY LIMITED 06827589
BAIRD UNDERGROUND GAS STORAGE LIMITED 06481606 BAYERNGAS E & P LIMITED 04969335
BAYERNGAS NORTH SEA LIMITED 05262343
BERYL NORTH SEA II LIMITED BR016145; FC031081
BERYL NORTH SEA LIMITED FC030632; BR015691
BG EXPLORATION AND PRODUCTION NIGERIA LIMITED FC029038
BG GREAT BRITAIN LIMITED 00909162
BG INTERNATIONAL LIMITED 00902239 BG NORGE LIMITED 05028627
BG NORTH SEA HOLDINGS LIMITED 02383911
BG UPSTREAM A NIGERIA LIMITED FC029036
BHP BILLITON PETROLEUM GREAT BRITAIN LIMITED 00810819
BITTERN AND TRITON (UK) LIMITED 07776994
BP AMOCO EXPLORATION (FAROES) LIMITED 00856444
BP AMOCO EXPLORATION (FORTIES) LIMITED 03784366 BP AMOCO EXPLORATION (IN AMENAS) LIMITED SC135813
BP BRASIL LIMITADA FC022106; BR005205
BP EXPLORATION (ALGERIA) LIMITED 00972944
BP EXPLORATION (ALPHA) LIMITED 01021007
BP EXPLORATION (ANGOLA) LIMITED 00615393
BP EXPLORATION (AZERBAIJAN) LIMITED 02160234
BP EXPLORATION (DELTA) LIMITED 00983913 BP EXPLORATION (EPSILON) LIMITED 01004984
BP EXPLORATION (PSI) LIMITED 08900469
BP EXPLORATION (VIETNAM) LIMITED 00567256
BP EXPLORATION ANGOLA (KWANZA BENGUELA) LIMITED 07521628
BP EXPLORATION BETA LIMITED 00895797
BP EXPLORATION CHINA LIMITED 07974274
BP EXPLORATION INDONESIA LIMITED 01009905 BP EXPLORATION OPERATING COMPANY LIMITED 00305943
BP EXPLORATION ORINOCO LIMITED 00598148
BP EXPLORATION SERVICES LIMITED 00777236
BP KAZAKHSTAN LIMITED 01838589
BP SHAFAG-ASIMAN LIMITED 07599899
BRIDGE NORTH SEA (CENTRAL) LIMITED 05029843
BRIDGE PETROLEUM 1 LIMITED 10045796 BRIDGE PETROLEUM 3 LIMITED 10650893
BRIDGE PETROLEUM 4 LIMITED 10651041
BRIDGE PETROLEUM 5 LIMITED 10651049
BRIDGE PETROLEUM 6 LIMITED 10651062
BRITOIL LIMITED SC077750
BUCKEYE EXPLORATION LIMITED 04504798
CAIRN ENERGY HYDROCARBONS LIMITED SC172470 CALEDONIA EUROPE HYDROCARBONS 03568440
CALEDONIA EUROPE RESOURCES 03568322
CALENERGY GAS LIMITED 04370508
CAMBO NORTH SEA LIMITED FC031825; BR016895
CANADIAN OVERSEAS PETROLEUM (UK) LIMITED 06916260
CANADIAN SUPERIOR OIL (U.K.) LIMITED 00811825
CATS NORTH SEA LIMITED 09250798 CENTRAL GRABEN EXPLORATION LIMITED 05000672
CENTRICA BAIRD LIMITED 06655659
CENTRICA OFFSHORE UK LIMITED 04248952
CENTRICA PRODUCTION (DMF) LIMITED 01483729
CENTRICA PRODUCTION (GMA) LIMITED 04480539
CENTRICA RESOURCES PETROLEUM UK LIMITED 04487586
CH4 ENERGY LIMITED 04440303 CHALLENGER MINERALS INC. SF000836; BR005960
CHEVRON BRITAIN LIMITED 01006065
CHEVRON CAPTAIN COMPANY LLC FC005494
CHRYSAOR (U.K.) ALPHA LIMITED 02374592
CHRYSAOR (U.K.) BETA LIMITED 02316577
CHRYSAOR (U.K.) BRITANNIA LIMITED 02954364
CHRYSAOR (U.K.) ETA LIMITED 02369861 CHRYSAOR (U.K.) LAMBDA LIMITED SF000910/BR007268
CHRYSAOR (U.K.) SIGMA LIMITED 07832693
CHRYSAOR (U.K.) THETA LIMITED 01491002
CHRYSAOR (U.K.) ZETA LIMITED 01775651
CHRYSAOR CNS LIMITED 07036630
CHRYSAOR DEVELOPMENTS LIMITED 02180666
CHRYSAOR LIMITED 06418649 CHRYSAOR NORTH SEA LIMITED 00958880
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED 00792712
CHRYSAOR PETROLEUM LIMITED 01247477
CHRYSAOR PRODUCTION (U.K.) LIMITED 00524868
CHRYSAOR RESOURCES (IRISH SEA) LIMITED 03440053
CNOOC ETTRICK U.K. LIMITED 03976014
CNOOC PETROLEUM EUROPE LIMITED 01051137 CNOOC PETROLEUM FARRAGON U.K. LIMITED 05645503
CNR INTERNATIONAL (U.K.) DEVELOPMENTS LIMITED 01021629
CNR INTERNATIONAL (U.K.) LIMITED 00813187
CNS (E&P) LIMITED 08034278
CNS (MAUREEN) LIMITED SC344161
COOK (E&P) LIMITED 08116495
CORSAIR PETROLEUM (CENTRAL NORTH SEA) LIMITED 05193039 CORSAIR PETROLEUM (HOLDINGS) LIMITED 05232493
CORSAIR PETROLEUM (NORTHERN NORTH SEA) LIMITED 05233326
CORSAIR PETROLEUM (SOUTHERN NORTH SEA) LIMITED 05192984
CORSAIR PETROLEUM LIMITED 04460497
CROFT EXPLORATION LIMITED SC092120
DANA PETROLEUM (BVUK) LIMITED 03337437
DANA PETROLEUM (E&P) LIMITED 02294746 DANA PETROLEUM (NORTH SEA) LIMITED 02338195
DECIPHER PRODUCTION LIMITED SC335305
DELEK ENERGY NORTH SEA LIMITED FC030608
DELEK ENERGY SYSTEMS (GIBRALTAR) LIMITED FC027495
DEO PETROLEUM U.K. LIMITED 07336090
DNO NORTH SEA (ROGB) LIMITED 01852301
DNO NORTH SEA (U.K.) LIMITED 04848017 E. F. OIL AND GAS LIMITED 03430228
E.ON RUHRGAS UK CAISTER LIMITED 03883559
E.ON RUHRGAS UK MEDIAN LIMITED 03974196
EDISON NORTH SEA LTD 09363935
EGDON RESOURCES EUROPE LIMITED 05708733
EGDON RESOURCES U.K. LIMITED 03424561
ELF EXPLORATION UK LIMITED 00810743 ENCORE (NNS) LIMITED 05301950
ENCORE OIL LIMITED 03328217
ENERGEAN EXPLORATION LIMITED 02324368
ENERGEAN UK LTD 06683599
ENERGY AFRICA UK LIMITED 02592792
ENERGY NORTH SEA (MONARB) LIMITED SC249838
ENERGY NORTH SEA (WOB) LIMITED SC250861 ENERGY RESOURCE TECHNOLOGY (U.K.) LIMITED SC264709
ENI AEP LIMITED 00307812
ENI ANS LIMITED 02554093
ENI ELGIN/FRANKLIN LIMITED 03772746
ENI HEWETT LIMITED SC090159
ENI HYDROCARBONS VENEZUELA LIMITED 01452037
ENI INDIA LIMITED 02735371 ENI LIVERPOOL BAY OPERATING COMPANY LIMITED 01003825
ENI LNS LIMITED 00970280
ENI MEP LIMITED 00231611
ENI TNS LIMITED SC055200
ENI UK LIMITED 00862823
ENI UKCS LIMITED 01019748
ENI ULX LIMITED 00936223 ENQUEST (HEATHER OILFIELD) LIMITED 01216554
ENQUEST DONS LIMITED 03351775
ENQUEST DONS OCEANIA LIMITED FC028709; BR010265
ENQUEST ENERGY LIMITED 01019698
ENQUEST FORWARD LIMITED 11486073
ENQUEST HEATHER LIMITED 02748866
ENQUEST NNS LIMITED 10573715 ENQUEST NWO LIMITED 08497436
ENQUEST PRODUCTION LIMITED 01019831
ENQUEST THISTLE LIMITED 04487223
ENQUEST UK LIMITED 01006812
ENQUEST UKCS LIMITED 06547400
ENTERPRISE OIL LIMITED 01682048
ENTERPRISE OIL MIDDLE EAST LIMITED 02650009 ENTERPRISE OIL U.K. LIMITED 02290358
EQ PETROLEUM SABAH LTD 07211014
EQUINOR EXPLORATION UK LIMITED 01500685
EQUINOR UK LIMITED 01285743
ERT CAMELOT LIMITED SC301741
ESSO EXPLORATION AND PRODUCTION UK LIMITED 00207426
EVERARD ENERGY LIMITED 08066733 EXXONMOBIL CNNS LIMITED 13018823
FAIRFIELD BETULA LIMITED 04465204
FAIRFIELD FAGUS LIMITED 05461823
FINA EXPLORATION LIMITED 00808167
FINA PETROLEUM DEVELOPMENT LIMITED 00740632
FIRST OIL EXPLORATION (UK) LIMITED 01005418
FIRST OIL EXPRO LIMITED 01021486 FIRST OIL INTERNATIONAL NORTH SEA LIMITED 02487444
FIRST OIL SNS LIMITED 00986309
FUJAIRAH OIL AND GAS UK LLC / ROCKROSE UKCS8 LLC FC009587 / BR001797
GAZ DE FRANCE EXPLORATION UNITED KINGDOM B.V. FC023605
GEOSOLUTIONS LIMITED 03441912
GRAMPIAN AVIATION FUELLING SERVICES LIMITED 03716230
HANSA HYDROCARBONS LIMITED 06442172 HARBOUR ENERGY DEVELOPMENTS LIMITED 03230514
HESS (OIL & GAS) LIMITED 03161815
HESS LIMITED 00807346
HUMBER GATHERING SYSTEM LIMITED 11110577
HURRICANE ENERGY PLC 05245689
IDEMITSU E&P SHETLAND LTD. 06954535
IGAS EXPLORATION UK LIMITED 04323945 INEOS CLIPPER SOUTH B LIMITED 04649606
INEOS CLIPPER SOUTH C LIMITED 04967270
INEOS E&P (UK) LIMITED 04376184
INEOS FPS LIMITED 10660338
INEOS UK SNS LIMITED 01021338
IOG SOUTHERN NORTH SEA LIMITED 08619688
IONA UK DEVELOPMENTS CO LIMITED SC467651 IONA UK HUNTINGTON LIMITED 07385624
IRANIAN OIL COMPANY (U.K.) LIMITED 01019769
ITHACA ALPHA (N.I.) LIMITED NI073431
ITHACA CAUSEWAY LIMITED 06167799
ITHACA DORSET LIMITED 01135213
ITHACA ENERGY (UK) LIMITED SC272009
ITHACA EPSILON LIMITED 05979869 ITHACA EXPLORATION LIMITED 05914627
ITHACA GAMMA LIMITED 05929104
ITHACA GSA LIMITED FC033620
ITHACA MINERALS (NORTH SEA) LIMITED SC274666
ITHACA OIL AND GAS LIMITED 01546623
ITHACA PIPELINE LIMITED 02607087
ITHACA SP UK LIMITED 02586927 ITHACA SPL LIMITED 01275469
JAPEX UK E&P LIMITED 08946587
JERSEY PETROLEUM LTD 06490608
JX NIPPON EXPLORATION AND PRODUCTION (U.K.) LIMITED 03288689
KELLAS CATS LIMITED 08021886
KELLAS NORTH SEA 2 LIMITED 10778448
KOREA CAPTAIN COMPANY LIMITED 03141093 LIVERPOOL BAY LIMITED 08555007
LUNDIN UK EXPLORATION LIMITED 00999917
MAERSK OIL EXPLORATION UK LIMITED 02609436
MAERSK OIL GRYPHON LIMITED 01316633
MARUBENI OIL & GAS (NORTH SEA) LIMITED SC238015
MARUBENI OIL & GAS (U.K.) LIMITED 03947050
MCX DUNLIN (UK) LIMITED 06451712 MCX EXPLORATION (UK) LIMITED 05889471
MCX OSPREY (UK) LIMITED 06451720
MITSUI E&P UK LIMITED 07652477
MOC EXPLORATION (U.K.) LIMITED FC017821
MOL OPERATIONS UK LTD 09110642
MOLGROWEST (I) LIMITED SC278868
MOLGROWEST (II) LIMITED 04922555 MONTROSE INDUSTRIES LIMITED 00654944
MOSAIC (TRISTAN) LIMITED 05820436
MOSAIC NATURAL RESOURCES LIMITED SC253223
MURPHY MUNGO LIMITED 07944027
MURPHY PETROLEUM LIMITED 00811102
MURPHY SCHIEHALLION LIMITED 07944011
MUSTANG OIL LIMITED SC094132 NAUTICAL PETROLEUM LIMITED 04362104
NEO ENERGY (CNS) LIMITED SC309081
NEO ENERGY (PRODUCTION) LIMITED 05896824
NEO ENERGY (SNS) LIMITED SC291165
NEO ENERGY (UKCS) LIMITED 02669936
NEO ENERGY (ZEX) LIMITED 05834920
NEO ENERGY (ZNI) LIMITED NI029409 NEO ENERGY (ZNS) LIMITED 06576309
NEO ENERGY (ZOG) LIMITED 05693929
NEO ENERGY (ZPL) LIMITED 08818762
NEO ENERGY CENTRAL NORTH SEA LIMITED 05894683
NEO ENERGY ENTERPRISES LIMITED 04388397
NEO ENERGY PATHWAY LIMITED 06212075
NEO ENERGY PRODUCTION UK LIMITED 12086835 NEO ENERGY UPSTREAM UK LIMITED SC279865
NEPTUNE E&P UK LIMITED 01483021
NEPTUNE E&P UKCS LIMITED 03386464
NOBEL OIL E&P NORTH SEA LIMITED 09856429
NOBLE ENERGY (ISE) LIMITED SC071090
NOBLE ENERGY (OILEX) LIMITED 00797339
NORECO OIL (UK) LIMITED 03629582 NORFOLK BOREAS LIMITED 03722058
NORTH SEA (GOLDEN EAGLE) RESOURCES LTD. 13148646
NSGP (AMANDA-AGATHA) LIMITED 94386
NSGP (ENSIGN) LIMITED 92236
NSIP (ETS) LIMITED 02504173
NSMP OPERATIONS LIMITED 09711370
ONE-DYAS E&P LIMITED 04024945 ONE-DYAS EOG LIMITED SC005122
ONE-DYAS EXPLORATION UK LIMITED 06850220
ONE-DYAS MARINER LIMITED SC449498
ONE-DYAS NORTH SEA LIMITED SC282771
ONE-DYAS PETROLEUM LIMITED 09062687
ONE-DYAS UK LIMITED 03531783
ORANJE-NASSAU ENERGIE HANZE (UK) LIMITED 02085997 ORANJE-NASSAU PETROLEUM SEARCH B.V. FC016742
ORCADIAN ENERGY (CNS) LTD 08954960
P/F ATLANTIC PETROLEUM P/F2695; FC023752
PALACE EXPLORATION COMPANY SF000885
PARKMEAD (E&P) LIMITED SC397002
PERENCO GAS (UK) LIMITED 00715529
PERENCO NORTH SEA LIMITED SC293676 PERENCO OIL AND GAS (UK) LIMITED 04316382
PERENCO RANG DONG LIMITED 03716310
PERENCO UK LIMITED 04653066
PETRO-CANADA ENERGY NORTH SEA LIMITED 03084447
PETROGAS NORTH SEA LIMITED 05470844
PHILLIPS 66 LIMITED 00529086
PING PETROLEUM UK LIMITED 09698077 PREMIER OIL (ENCORE PETROLEUM) LIMITED 05388528
PREMIER OIL DORSET LIMITED 01165601
PREMIER OIL E&P UK ENERGY TRADING LIMITED 04103928
PREMIER OIL E&P UK EU LIMITED 02907493
PREMIER OIL E&P UK LIMITED 02761032
PREMIER OIL EXPLORATION LIMITED SC021265
PREMIER OIL EXPLORATION ONS LIMITED 01241035 PREMIER OIL ONS LIMITED 04453364
PREMIER OIL UK LIMITED SC048705
REACH EXPLORATION LIMITED SC228622
REPSOL SINOPEC ALPHA LIMITED 04796268
REPSOL SINOPEC BETA LIMITED 04796282
REPSOL SINOPEC DELTA LIMITED 11021922
REPSOL SINOPEC LNS LIMITED 02483161 REPSOL SINOPEC NORTH SEA LIMITED 01061863
REPSOL SINOPEC OIL TRADING LIMITED 02307374
REPSOL SINOPEC RESOURCES UK LIMITED 00825828
REPSOL SINOPEC TRANSPORTATION (UT) LIMITED 03093642
REPSOL SINOPEC ZETA LIMITED 11147502
RIGEL PETROLEUM (NI) LIMITED NI029801
RIGEL PETROLEUM UK LIMITED 03389978 ROCKROSE (UKCS1) LIMITED 10448997
ROCKROSE (UKCS2) LIMITED 08724360
ROCKROSE (UKCS3) LIMITED 04620801
ROCKROSE ENERGY LIMITED 09665181
ROCKROSE UKCS 10 LIMITED 04105025
ROCKROSE UKCS 12 LIMITED 00981126
ROCKROSE UKCS4 LIMITED 02552901 ROCKROSE UKCS5 LIMITED 06088753
ROCKROSE UKCS6 LIMITED 03442626
ROCKROSE UKCS7 LIMITED 01908768
ROCKSOURCE UK LIMITED 05761396
ROOTS GAS LIMITED SC205750
RWE DEA UK DEVELOPMENT LIMITED 03976025
RWE DEA UK EXPLORATION LIMITED 03309304 RWE DEA UK LIMITED SC191561
SAGE NORTH SEA LIMITED BR019059; FC033971
SALTFLEETBY ENERGY LIMITED 00953066
SAMSON NORTH SEA LIMITED 05168907
SAXON OIL MILLER LIMITED 03209823
SCHIEHALLION OIL & GAS LIMITED FC030727; BR015787
SELKIRK (E&P) LIMITED 08117627 SERICA ENERGY (UK) LIMITED 04073712
SHELL BENIN UPSTREAM LTD 08169793
SHELL CLAIR UK LIMITED 07108515
SHELL EP OFFSHORE VENTURES LIMITED 01682052
SHELL GLOBAL LNG LIMITED 01287989
SHELL U.K. LIMITED 00140141
SHELL U.K. NORTH ATLANTIC LIMITED 04801731 SHELL UPSTREAM OVERSEAS SERVICES (I) LIMITED 07657243
SICCAR POINT ENERGY E&P LIMITED 01504603
SICCAR POINT ENERGY U.K. LIMITED 09858988
SNS (E&P) LIMITED 08034222
SOJITZ ENERGY DEVELOPMENT LIMITED 10596616
SPIRIT ENERGY NORTH SEA LIMITED 04594558
SPIRIT ENERGY NORTH SEA OIL LIMITED SC210361 SPIRIT ENERGY PRODUCTION UK LIMITED 03115179
SPIRIT ENERGY RESOURCES LIMITED 02855151
SPIRIT ENERGY SOUTHERN NORTH SEA LIMITED 05735294
SPIRIT NORTH SEA GAS LIMITED SC182822
SPIRIT RESOURCES (ARMADA) LIMITED 04181384
SSE E&P UK LIMITED SC375371
STRATIC ENERGY (UK) LIMITED 04758305 SUMMIT EXPLORATION AND PRODUCTION LIMITED 08860426
SUNCOR ENERGY UK LIMITED 00972618
TAILWIND ENERGY LTD 07879002
TAILWIND MISTRAL LTD 04458621
TALISMAN ENERGY DL LIMITED 04079629
TALISMAN ENERGY NS LIMITED 04079631
TALISMAN ENERGY OIL TRANSPORTATION LIMITED 03135059 TALISMAN TRANSPORTATION LIMITED SC199755
TAQA BRATANI LIMITED 05975475
TAQA BRATANI LNS LIMITED 06230540
TEXACO EXPLORATION LIMITED 01019408
TEXACO NORTH SEA U.K. LIMITED 00807340
TOTAL NNS LLC FC020410; BR004003
TOTAL OIL GB LIMITED 03530988 TOTALENERGIES E&P INTERNATIONAL K1 LIMITED 09849276
TOTALENERGIES E&P INTERNATIONAL K2 LIMITED 09849396
TOTALENERGIES E&P INTERNATIONAL K3 LIMITED 09849354
TOTALENERGIES E&P NORTH SEA UK LIMITED 03682299
TOTALENERGIES E&P RESOURCES UK LIMITED 03295116
TOTALENERGIES E&P UK LIMITED 00811900
TOTALENERGIES OFFSHORE UK LIMITED 00946986 TRANSWORLD PETROLEUM (U.K.) LIMITED 01010787
TULLOW OIL SK LIMITED 05287330
TULLOW OIL SNS LIMITED 05064884
TUSCAN ENERGY (CRAGGANMORE) LIMITED SC251215
TUSCAN ENERGY (SCOTLAND) LIMITED SC210076
UKCS ADMINISTRATOR LIMITED 04467016
VERITAS GEOPHYSICAL LIMITED 03409561 VICTORIA PETROLEUM LIMITED 01681831
WALDORF PRODUCTION UK LIMITED 05030838
WARWICK ENERGY EXPLORATION LIMITED 04148181
WHALSAY ENERGY LIMITED 04560068
WINGAS STORAGE ENTERPRISE LIMITED 00989348
WINTERSHALL NOORDZEE B.V. 27100034
XTO UK, LTD 05458042 ZEUS PETROLEUM LIMITED 03005575
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