Related by context. Frequent words. (Click for all words.) 63 BPZ Resources 62 GeoGlobal 60 Toreador Resources 60 Americas Petrogas 59 Niko Resources 59 Canacol 59 Tullow Oil plc 59 Energy XXI Bermuda 59 Pacific Rubiales Energy 59 CARBO Ceramics 58 Lundin Petroleum AB 58 Alange Energy 58 Canacol Energy Ltd. 58 ERHC Energy 58 NYSE NXY 58 Concho Resources 57 Harvest Natural Resources 57 Rocksource 57 PetroFrontier 57 PetroQuest Energy 57 Canoro 56 Uranerz Energy 56 BrazAlta 56 Stornoway Diamond Corporation 56 ONGC Videsh Ltd. 56 Gastar Exploration 56 Callon Petroleum 56 TransAtlantic Petroleum Ltd. 56 ION Geophysical 56 Pacific Rubiales 56 ONGC Videsh Limited 56 Bolero Resources 55 Arrow Mines 55 ONGC Mittal Energy 55 HOEC 55 Calfrac Well Services 55 Gran Tierra 55 GMX Resources 55 Cheniere Energy Partners LP 55 PetroBakken Energy 55 Trafina 55 Cimarex Energy 55 Talisman Energy Inc 55 PetroQuest 55 McMoRan Exploration 55 Ecopetrol SA EC 55 Corriente Resources Inc. 54 Texalta 54 Gastem 54 Royale Energy 54 Petaquilla Copper Ltd. 54 Panoro 54 Gran Tierra Energy 54 Crimson Exploration 54 Tanzanian Royalty Exploration 54 PetroFalcon 54 Earthstone 54 MAG Silver 54 Strathmore Minerals Corp. 54 TransAtlantic Petroleum Corp. 54 Golar LNG 54 Cygam 54 Mindoro Resources 54 Calvalley 53 Continental Nickel 53 PetroGlobe 53 Newpark Resources 53 Aurizon Mines 53 VAALCO Energy 53 ENSCO International 53 Interoil 53 Frontera Resources 53 Ecopetrol SA 53 Petrochemicals Ltd MRPL 53 UNOR 53 Ecometals 53 Tanganyika Oil 53 KHD Humboldt Wedag International 53 Norway StatoilHydro 53 Varun Shipping 53 QGX 53 Osisko Mining Corp. 53 Fieldex 53 Newfield Exploration Company 53 Boardwalk Pipeline 53 CGG Veritas 53 Grayd 53 Exall Energy 53 Forent 53 Oilsands Quest Inc. 53 Candax 52 Scotia Waterous 52 Orvana Minerals Corp. 52 Groundstar 52 PrivateCo 52 LSB Industries 52 Esso Exploration 52 TSX SNG 52 Questerre 52 EnerGulf 52 Dia Bras Exploration