Related by context. Frequent words. (Click for all words.) 77 PDVSA 59 Petroleo Brasileiro SA 59 YPFB 57 Petroleos Mexicanos 55 Petrobras 55 Sonatrach 54 Statoil ASA 53 Petroecuador 51 Pemex 51 Rosneft 50 gas monopoly Gazprom 50 Qatar Petroleum 50 Ecopetrol 49 Rafael Ramirez 49 Sonangol 49 OAO Gazprom 47 YPF 47 giant Gazprom 47 PetroSA 47 TNK BP 46 CANTV 46 LUKoil 46 Yukos 46 Gazprom 46 Exxon Mobil 46 PEMEX 46 Gazprom Neft 45 Eni SpA 45 Venezuelan 45 Saudi Aramco 45 Repsol 45 SOCAR 45 ConocoPhillips 44 Citgo 44 Gaz de France 44 Repsol YPF 44 Sibneft 43 Lukoil 43 Pertamina 43 Sinopec 43 Exxon Mobil Corp. 43 YUKOS 43 South Pars 43 refineries 42 Venezuela 42 CNPC 42 Galp 42 Occidental Petroleum Corp. 42 Wintershall 42 PGNiG 42 Naftogaz 42 Aramco 42 Saudi Arabian Oil 42 Carabobo 42 Statoil 42 Royal Dutch Shell 42 Mulva 41 Yuganskneftegaz 41 Electricite de France 41 StatoilHydro 41 BP PLC BP 41 President Hugo Chávez 41 CNOOC Ltd. 41 ADNOC 41 Offshore Oil 41 Petronas 41 Codelco 41 President Hugo Chavez 41 oil 41 PetroVietnam 40 Orinoco 40 Petrom 40 Zulia 40 refinery 40 LUKOIL 40 Petrobangla 40 Cnooc 40 BP Plc 40 CARACAS Venezuela Venezuela 39 CNOOC 39 Rosoboronexport 39 Oilexco 39 VEB 39 Transneft 39 Italy Eni 39 BNDES 39 Chevron Corp. 39 ChevronTexaco Corp. 39 Woodside Petroleum Ltd. 39 Eni 39 refiner 38 oilfields 38 PKN Orlen 38 Jeroen van der Veer 38 Taqa 38 Conoco 38 Sechin 38 ChevronTexaco 38 NNPC 38 Natural Gas Corp 38 Exxon Mobil Corp