| Field/block | Company | Home country | Company type |
| Badra | Gazprom | Russia | State |
| Badra | Petronas | Malaysia | State |
| Badra | KOGAS | Korea | State |
| Badra | TPAO | Turkey | State |
| Garraf | Petronas | Malaysia | State |
| Garraf | JAPEX | Japan | Public |
| Halfaya | CNPC | China | State |
| Halfaya | Petronas | Malaysia | State |
| Halfaya | Total | France | Public |
| Majnoon | Shell | Netherlands | Public |
| Majnoon | Petronas | Malaysia | State |
| Missan G. | CNOOC | China | State |
| Missan G. | TPAO | Turkey | State |
| Najmah | Sonangol | Angola | State |
| Qayara | Sonangol | Angola | State |
| Rumaila | BP | UK | Public |
| Rumaila | CNPC | China | State |
| W.Qurna | Exxon | US | Public |
| Zubair | ENI | Italy | Public |
| Zubair | Occidental | US | Public |
| Zubair | KOGAS | Korea | State |