Related by context. Frequent words. (Click for all words.) 59 Andes Petroleum 58 Meta Petroleum 58 Petrolera 58 Cementos 57 Hocol 57 Pluspetrol 56 Argentine Repsol YPF 55 Rusoro Mining 55 Petrozuata 54 Putumayo Basin 54 Transredes 54 QUITO Dow Jones 53 Esso Exploration 53 Minera SA 52 Occidental Petroleum Corp 52 Peñoles 52 Bridas 52 Limitada 52 Petroleos Mexicanos Pemex 51 Industrias Penoles 51 ONGC Videsh Ltd. 51 Maurel et Prom 51 Ecopetrol SA 51 Ecopetrol 51 Commences Operations 50 Andrade Gutierrez 50 arm ONGC Videsh 50 Artumas Group 50 Bridas Energy 50 Sudapet 50 Citgo Petroleum 50 Compania de 50 Nexen Petroleum 50 PetroFalcon 50 Petroleo 49 Ternium SA 49 BSG Resources 49 Llanos basin 49 Mexico Cemex SAB 49 Petroperu 49 Spain Repsol YPF 49 Perenco 49 Petroleos 49 BOGOTA Dow Jones 49 Hamaca 49 ENAMI 48 Industria e 48 Exploration Blocks 48 CARHCO 48 Banco Nacional de 48 Hylsamex 48 BPZ Resources 48 Neuquen Basin 48 Bridas Corporation 48 Enap 48 Lower Magdalena 48 Transportadora de Gas 48 Pebercan 48 Dutch Shell 48 Americas Petrogas 48 Petrodorado 48 KUFPEC 48 SPRL 48 PROFILE COUNTRY 48 CalEnergy 48 Camargo Correa 48 Petroleos de 48 PetroEcuador 48 Empresa de 47 Quetzal Energy 47 Temascaltepec Mining District 47 Turgai Petroleum 47 IIROC Halt 47 Brazil Petrobras 47 Chevron Texaco 47 Spain Repsol 47 Grupo Financiero Banamex 47 Westcoast Energy 47 Cupet 47 Angostura Project 47 Consorcio 47 TXCO Resources 47 Amapá 47 Pacific Rubiales Energy 47 Bayovar 47 NGEx 47 Tanganyika Oil 47 OGX Petróleo e Gás 46 Tractebel 46 Lundin Petroleum AB 46 de Aviacion 46 Turkey Genel Enerji 46 Sidanco 46 OAO Lukoil Russia 46 Petrogas 46 OGX Petroleo e 46 IIROC Resume 46 Petropars 46 Joins OTCQX 46 Alange Energy 46 Increases Ownership