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| |
ADIL |
E-ON |
Kerr-McGee |
Premier |
| |
BP |
Endeavour |
Lundin |
Rocksource |
| |
Bow Valley |
ERT |
Maersk |
RWE |
| |
Centrica |
ExxonMobil |
Marathon |
Shell |
| |
CH4 |
Faroe |
Marubeni |
Silverstone |
| |
Chevron |
First Oil |
Monitor Offshore |
Statoil |
| |
Cieco |
Hardman |
Murphy |
Sterling |
| |
CNR |
Helix |
Nexen |
Senergy |
| |
ConocoPhillips |
Hess |
Nippon Oil |
Talisman |
| |
Cultus |
Holywell |
Noble |
TAQA |
| |
Dana |
I3 Energy |
North Sea Energy |
Tullow |
| |
DECC |
Idemitsu |
Oryx |
UKOG |
| |
DNO |
IHS Towers |
Paladin |
Unocal |
| |
EDP |
Intrepid Energy |
Petro-Canada |
UPB |
| |
ENI |
IOC |
Petrofac |
Venture |
| |
ENS |
Iona |
Petro-Summit |
Vienco |
| |
Enterprise |
Ithaca |
Pinnacle |
|
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