Related by context. Frequent words. (Click for all words.) 70 Canacol 67 Ecopetrol 66 Petrolifera 62 Petrominerales 61 Gran Tierra Energy 60 BPZ 60 Ivanhoe Energy 60 Petro Andina 58 Cambior 57 Petrobank 57 BPZ Energy 57 Repsol 57 Richmont Mines 57 Harvest Natural Resources 57 Spain Repsol YPF 56 Bankers Petroleum 56 Petro Vista 56 Petaquilla 56 Petrobras 56 Repsol YPF 55 Zincore 55 Agnico Eagle 55 Rubiales 55 Penoles 55 Talisman 55 Yamana Gold 55 Aur Resources 55 Enerplus Resources Fund 55 Rio Alto 54 Nexen 54 Aura Minerals 54 Repsol YPF SA 54 Oilsands Quest 54 Talisman Energy Inc. 54 Encana Corp. 54 EnCana Corp. 54 B2Gold 54 Agnico 53 Canarc 53 Pelangio 53 EnCana 53 Kinross Gold 53 Orinoco Belt 53 Cenovus 53 Semafo 53 TXCO 53 Crystallex 53 Encana 53 Soltoro 53 Stratic 53 Goldcorp 53 Lundin Petroleum 52 Afren 52 Alamos Gold 52 Petrodelta 52 ProspEx 52 Precision Drilling 52 PetroQuest 52 Royale Energy 52 YPF 52 Synenco 52 Cerro Negro 52 African Aura 51 exploration 51 Crystallex International 51 Majescor 51 Perenco 51 Minera Andes 51 Petrobank Energy 51 UTS Energy 51 Teck Resources 51 Gastem 51 Gran Colombia 51 Enerplus 51 Yamana Gold Inc. 51 Greystar 51 EnCana Corp 51 IMZ 51 Inmet Mining 51 Minefinders 51 Medoro 51 Petroceltic 51 Suncor 51 Taseko 51 VG Gold 51 Niko Resources 51 VAALCO 51 StatoilHydro 50 CNQ 50 Comaplex 50 Tenke 50 Husky Energy 50 Dynatec 50 Baytex Energy Trust 50 Rusoro 50 Lundin Mining 50 Aurelian 50 Galp 50 Placer Dome 50 Comstock Resources 50 Cepsa