Related by context. Frequent words. (Click for all words.) 64 PetroFalcon 63 Gran Tierra 63 Alange Energy 62 Pacific Rubiales Energy 62 Panoro 61 Canacol 61 Americas Petrogas 59 Ecopetrol 58 BPZ Energy 58 BrazAlta 58 Petro Vista 58 Pan Andean 57 Pacific Rubiales 57 Bridas 56 Goldnev 56 Rio Cristal 56 Eurogas 56 Petromin 56 EnerGulf 55 Blugrass Energy Inc. 55 Ecometals 55 Eurogas International 54 farmout agreement 54 Brownstone Ventures Inc. 54 Artumas 54 PanOcean 54 GeoPark 54 Farmout 54 Petroleo 54 Energizer Resources 53 CAMAC Energy 53 PetroGlobe 53 Pequiven 53 Harvest Natural Resources 53 BPZ 53 Gran Colombia 53 Gran Tierra Energy 53 Brazil Petrobras 53 Candax 53 VAALCO Energy 53 Exall Energy 53 Kaminak Gold Corporation 52 TriOil 52 Cygam 52 Oroco 52 Ecopetrol SA 52 Manas Petroleum 52 Candente Gold 52 Petro Andina 52 exploration 52 Llanos Basin 51 USEG 51 Duran Ventures 51 Lundin Petroleum AB 51 Venezuela PDVSA 51 Evans Shoal 51 Cobre Panama 51 Enarsa 51 Farmout Agreement 51 farmout 51 Volta Resources 51 Crocotta 51 Enap 51 Petrosearch 51 GeoResources Inc. 51 KOV 51 SearchGold 51 Petrolifera 51 EnDevCo 51 Rocksource 51 Earthstone 50 Sonoran Energy 50 Quifa 50 Stratic 50 PNOC EC 50 Petroperu 50 Pluspetrol 50 El Abra 50 Teikoku Oil Co. 50 TXCO 50 Soltoro 50 Ausam 50 Uranerz Energy 50 Trafina 50 Petrodelta 50 Questerre 50 Serica Energy 50 KMG EP 49 BCGold 49 Caballo Blanco 49 Esso Exploration 49 co venturers 49 Converge Global 49 Rubiales 49 Topaz Resources 49 Texalta 49 PYR 49 Oromin 49 INV Metals 49 Petroleos 49 G4G Resources Ltd.