Related by context. Frequent words. (Click for all words.) 63 Andes Petroleum 63 ONGC Videsh Ltd. 61 Hocol 61 Petrominerales Ltd. 60 Bridas 60 Esso Exploration 59 Rusoro Mining 59 Pluspetrol 58 Ecopetrol 58 arm ONGC Videsh 58 PetroFalcon 58 OGX Petroleo e 58 Occidental Petroleum Corp 58 Ecopetrol SA 57 Americas Petrogas 57 Venezuela PDVSA 57 Pacific Rubiales Energy 57 Infinity Bio 57 Argentine Repsol YPF 56 Perenco 56 Quetzal Energy 56 ONGC Videsh Ltd OVL 56 Pure Biofuels 56 Brazil Petrobras 56 BPZ Resources 56 France Total TOTF.PA 55 Petroleos 55 Spain Repsol YPF 55 Pan Andean 55 Nido Petroleum 55 Petrobas 55 Brazil Petroleo Brasileiro 55 ONGC Mittal Energy 54 Pacific Rubiales 54 Transredes 54 Petroleo 54 Participacoes SA 54 ONGC Mittal 54 Gas Participacoes SA 54 Ecometals 54 Scotia Waterous 53 Medoro Resources 53 PT Medco Energi 53 Petrodorado 53 Petroleos Mexicanos Pemex 53 Ultrapar 53 Energem 53 Canacol 53 Bridas Energy 53 Spain Repsol 53 Mineracao 53 Transportadora de Gas 53 Petropars 53 Genel Enerji 52 Consorcio 52 TXCO Resources 52 ONGC Videsh Ltd 52 ENI SpA 52 Brazilian billionaire Eike 52 Putumayo Basin 52 Kulczyk Oil Ventures 52 ONGC Videsh 52 Braskem SA 52 Switzerland Holcim 52 Tanganyika Oil 52 Malaysia Petronas 52 Harvest Natural Resources 52 Compania Minera 52 Dutch Shell 51 Alange Energy 51 Exxon Mobil XOM.N 51 Repsol YPF SA 51 Hylsamex 51 conglomerate Essar 51 BOGOTA Dow Jones 51 Medco Energi 51 Gladstone liquefied natural 51 Enap 51 ONGC Videsh Limited 51 BrazAlta 51 S2C Global Systems 51 Geotec 51 Holdings Pty Ltd. 51 Marubeni Corporation 51 Encore Acquisition 51 Camargo Correa 51 ConocoPhillips COP.N 51 MegaWest Energy 51 Empresa de 51 SacOil 51 Enarsa 51 Eni SpA E 51 Tullow Oil PLC 51 Tractebel 51 Exco Resources 50 Lundin Petroleum AB 50 Globeleq 50 Sonoran Energy 50 Brazil Cia 50 Elf Aquitaine 50 Tullow Oil Plc