Related by context. Frequent words. (Click for all words.) 65 PanOcean 61 Serica Energy plc 60 Oilexco 59 Alange Energy 59 PetroGlobe 58 Lundin Petroleum AB 57 Candax 56 Ausam 56 Artumas 56 BlackWatch 56 Det norske 55 Americas Petrogas 55 Bankers Petroleum 55 VAALCO Energy 54 Tullow Oil plc 54 Energizer Resources 54 PetroFalcon 54 Talisman Energy Inc 54 Esso Exploration 54 Canoro 54 BrazAlta 53 Cabo Drilling Corp. 53 Corriente Resources Inc. 53 First Calgary Petroleums 53 Canacol 53 BPZ Energy 53 Frontera Resources 53 Questerre 53 WesternZagros 53 Gastem 53 sxr Uranium One 52 Marsulex 52 GeoPetro 52 Scotia Waterous 52 Texalta 52 SouthernEra 52 Pacific Rubiales Energy 52 ShawCor 52 Pacific Rubiales 52 TriOil 51 Petro Andina 51 Harvest Natural Resources 51 Vast Exploration Inc. 51 Sonoran Energy 51 Crocotta 51 Bowleven 51 Ecometals 51 Orvana Minerals Corp. 51 Austral Pacific Energy 51 Gran Tierra 51 Trican 51 Calvalley 51 Tanzanian Royalty 51 PrivateCo 51 ProspEx 51 EnerGulf 51 Tullow Oil Plc 51 BowLeven 50 Brownstone Ventures Inc. 50 Niger Uranium 50 Petromin 50 Lundin Petroleum 50 Chariot Resources 50 Senergy 50 GobiMin 50 WestFire 50 AOSC 50 Goldplat 50 TVI Pacific 50 INV Metals 50 Ranaz 50 Cairn Energy PLC 50 Petrolifera 50 Exco Resources 50 Gran Tierra Energy 49 Petrosearch 49 RWE Dea 49 Calfrac 49 Goldnev 49 TSX TLM 49 AltaGas Income Trust 49 Colabor 49 Eurogas 49 EnQuest 49 VAALCO 49 Austral Pacific 49 Pan Andean 49 Stratic 49 Enterra Energy 49 EnDevCo 49 Precision Drilling Corporation 49 Buchans River 49 Talisman Energy 49 PetroQuest 49 Tanganyika Oil 49 Samira Hill 49 Tetra Technologies 49 Twoco 49 Revus 49 Transeuro 48 KenolKobil