Related by context. Frequent words. (Click for all words.) 60 GeoResources Inc. 60 GMXR 59 Contango Oil & 58 Woodford Shale 58 ERHC Energy Inc. 57 GMX Resources 57 Sonoran Energy 56 Brigham Exploration 56 LINN Energy 55 Petrosearch 55 VAALCO Energy 55 Crimson Exploration 55 Manas Petroleum 55 BPZ 55 XCO 55 Newfield Exploration 54 Approach Resources 54 American Lithium Minerals 54 Monogram Energy 54 Black Hawk Exploration 54 Oilsands Quest Inc. 54 GMX Resources Inc. 54 EnerJex 53 EVEP 53 Shale Gas 53 EQT Corporation 53 Nitro Petroleum 53 Anadarko Petroleum APC 53 ACOR 53 Petrohawk Energy 53 EnerGulf 53 Comstock Resources 53 Ultra Petroleum 53 Kulczyk Oil 53 Romios 52 Origin Agritech Limited 52 Royale Energy 52 Cherokee Basin 52 Goldnev 52 Frontera Resources 52 Trans Orient 52 Petrohawk Energy Corporation 52 Canacol 52 Candax 52 Gastar Exploration 52 Alter NRG 52 Fayetteville shale 52 Cimarex Energy 52 Nextraction 52 Newfield Exploration Company 51 Gasco Energy 51 VIPR Industries Inc. 51 Haynesville shale 51 Whiting Petroleum Corporation 51 Magnum Hunter Resources 51 Mooncor 51 GeoResources 51 Concho Resources Inc. 51 GeoPetro 51 Carrizo Oil & 51 BioCentric Energy Holdings 51 Bakken shale 51 EXCO Resources Inc. 51 Klondike Star 51 Whiting Petroleum 51 Albany Shale 50 BEXP 50 NYSE TOT 50 W2 Energy Inc. 50 Tullow Oil plc 50 Legacy Reserves 50 MegaWest 50 Pacific Rubiales Energy 50 PanOcean 50 Cellulosic Ethanol 50 Corporation NYSE CHK 50 Occidental Petroleum OXY 50 Parallel Petroleum 50 KWK 50 Groundstar 50 VHGI 50 PetroQuest 50 PetroSun 50 Timan Pechora 50 PXD 50 Energy XXI 50 BPZ Energy 49 NYSE RRC 49 Xcite Energy 49 WestFire 49 NETL 49 Cheniere Energy 49 Bakken Shale 49 Dejour 49 Harvest Natural Resources 49 ActionView International Inc. 49 GSAE 49 Energy DVN 49 Wolfberry 49 Coal Bed Methane 49 Gran Tierra