Related by context. Frequent words. (Click for all words.) 53 RussNeft 52 Tengizchevroil 52 Vietsovpetro 51 KMG EP 51 PetroKazakhstan 51 Sudapet 50 Stroytransgaz 50 KazMunayGas 49 Petropars 48 Andes Petroleum 48 OAO Lukoil 48 CNPC 48 Salym 48 Udmurtneft 48 AIOC 48 Tanganyika Oil 47 Sonoran Energy 47 Transocean Offshore 47 Farmout 47 LukOil 47 Det norske 47 Kumkol 47 SINOPEC 47 VAALCO Energy 47 ERHC Energy 47 Petromin 47 ONGC Mittal 46 ONGC Videsh Ltd. 46 TotalFinaElf 46 LUKOIL 46 Exxonmobil 46 Lukoil 46 Zarubezhneft 46 Energo 46 LUKoil 46 Bridas 46 ONGC Mittal Energy 46 CNOOC Limited 46 Americas Petrogas 45 Azeri Chirag Guneshli 45 Kulczyk Oil 45 Transpetrol 45 ENI SpA 45 Statoil 45 CanArgo 45 Esso Exploration 45 Azeri Chirag Gunashli 45 UNOCAL 45 Sinopec 45 Caspian Pipeline Consortium 45 OMEL 45 PrivateCo 45 Medco Energi 45 Nigeria Sao Tome 45 KUFPEC 44 PetroGlobe 44 PanOcean 44 KOV 44 SacOil 44 Gazprom Neft 44 Caspian Pipeline 44 Forent 44 Occidental Petroleum Corporation 44 Amerada Hess 44 Norway Norsk Hydro 44 Wintershall 44 Coalbed Methane 44 Lundin Petroleum AB 44 Pebercan 44 EuroGas 44 Harvest Natural Resources 44 Occidental Petroleum NYSE OXY 43 gasfield 43 Norway StatoilHydro 43 Petronas Carigali 43 TGS NOPEC 43 Tatneft 43 Turcas 43 Patos Marinza 43 CAMAC Energy 43 CUCBM 43 Interoil 43 Baytex Energy 43 Albpetrol 43 RWE Dea 43 ExxonMobil 43 co venturers 43 ChevronTexaco 43 Newfield Exploration Company 43 Hydrocarbon 43 Targa Resources 43 Calvalley 43 Provides Operational Update 43 Norge AS 43 Unocal 43 CNOOC Ltd 43 MODEC 43 Petoro 43 France Total TOTF.PA 42 Aker Solutions ASA 42 POGC