Related by context. Frequent words. (Click for all words.) 72 Denbury Resources 63 Denbury 60 EXCO Resources Inc. 58 Legacy Reserves 58 Approach Resources 57 Comstock Resources 57 Cimarex Energy Co. 56 McMoRan Exploration Co. 56 Harvest Natural Resources 55 Magellan Midstream Partners LP 55 Newfield Exploration 55 Ultra Petroleum 55 Whiting Petroleum Corporation 54 NYSE RRC 54 Transfer Partners LP 54 Vanguard Natural Resources 54 MarkWest Energy Partners 53 Quicksilver Resources 53 Brigham Exploration Company 53 Carrizo Oil & 52 Brigham Exploration 52 Transfer Equity 52 ENSCO International 52 Boardwalk Pipeline Partners LP 52 Rosetta Resources 51 SandRidge Energy Inc. 51 Quicksilver Gas Services 51 Bronco Drilling 51 NYSE APC 51 Weingarten Realty Investors 51 Crosstex Energy 50 GMXR 50 Energy Partners LP 50 Martin Midstream Partners 50 Nabors Industries Ltd. 50 Partners LP NYSE 50 Energy XXI 50 DCP Midstream Partners LP 50 MarkWest Energy Partners LP 50 Corporation NYSE CHK 50 BPZ Energy 50 Petrohawk 50 OGE Energy 49 Magnum Hunter 49 Chesapeake Energy 49 NYSE ECA 49 NuStar GP Holdings 49 Products Partners LP 49 CVR Energy 49 Buckeye Partners LP 48 Royale Energy 48 Cal Dive International 48 GreenHunter Energy 48 Buckeye GP 48 Allis Chalmers Energy 48 Enogex 48 Spectra Energy Corp 48 Pioneer Natural Resources 48 Crosstex Energy LP 48 SandRidge 47 Sterling Bancshares 47 Cano Petroleum 47 Helix Energy 47 Enterra Energy 47 Trico Marine Services 47 Bois d' Arc 47 Sunoco Logistics 47 Baytex Energy Trust 47 Quest Resource 47 Atmos Energy Corporation 47 MDU Resources Group 47 NYSE MRO 47 OGE Energy Corp. 46 Pioneer Drilling 46 NYSE ETP 46 Kerr McGee Corp. 46 Questar Corp. 46 McMoRan 46 Goodrich Petroleum 46 NuStar Energy LP 46 Cimarex 46 Cal Dive 46 Atlas Pipeline Partners LP 46 BPZ 46 ONEOK Partners 46 PetroQuest 45 Nexen 45 EOG Resources Inc. 45 Ensco International 45 EVEP 45 ONEOK 45 Atlas Pipeline 45 TransMontaigne 45 MGE Energy 45 XTO Energy Inc. 45 XTO 45 EQT Corporation 45 Mariner Energy 45 Targa Resources Partners 45 Hercules Offshore 45 Exxon Mobil NYSE XOM