Related by context. Frequent words. (Click for all words.) 68 GeoResources Inc. 66 Crimson Exploration 66 Bronco Drilling 65 ENSCO International 65 Trico Marine Services 65 Comstock Resources 64 Rosetta Resources 64 Vanguard Natural Resources 64 Harvest Natural Resources 64 Approach Resources 64 Concho Resources Inc. 64 Hercules Offshore 64 Ensco International 63 Parallel Petroleum 63 Brigham Exploration 63 NYSE SLB 63 Hercules Offshore Inc. 63 Patterson UTI Energy 62 NYSE NOV 62 Nabors Industries Ltd. 62 Crosstex Energy 62 Diamond Offshore Drilling 62 Copano Energy LLC 61 Schlumberger NYSE SLB 61 National Oilwell Varco 61 Schlumberger SLB 61 EXCO Resources Inc. 61 Dril Quip 61 Carrizo Oil & 61 Newfield Exploration 61 BPZ Energy 60 Whiting Petroleum 60 Whiting Petroleum Corporation 60 Cal Dive International 60 Gasco Energy 60 Newfield Exploration Company 60 NYSE PDE 60 Oceaneering International 60 Cimarex Energy 60 NYSE HAL 60 Overseas Shipholding Group 60 Overseas Shipholding 59 Copano Energy 59 Hornbeck Offshore 59 Grant Prideco 58 Exterran Holdings 58 Schlumberger Limited 58 Sterling Bancshares 58 Anworth Mortgage Asset 57 Helix Energy 57 National Oilwell 57 Halliburton HAL 57 Cheniere Energy 57 Legacy Reserves 57 NYSE TSO 57 Geokinetics 57 NYSE RRC 57 FMC Technologies Inc. 57 Bronco Drilling Company 57 Royale Energy 56 Schlumberger Ltd 56 Cimarex Energy Co. 56 Sterling Bancshares Inc. 56 Quanta Services 56 Brigham Exploration Company 56 Callon Petroleum Company 56 Targa Resources Partners LP 56 Pioneer Drilling 56 Martin Midstream Partners 56 Dycom 56 GMXR 56 NYSE FTI 55 Transfer Equity 55 TODCO 55 Transocean RIG 55 McMoRan Exploration Co. 55 Petrohawk 55 BEXP 55 Ultra Petroleum 55 Cal Dive 55 NATCO Group 55 NuStar GP Holdings 55 DryShips Inc. 55 Atlas Pipeline Partners 55 QEP Resources 54 Willbros Group 54 Magnum Hunter 54 Quicksilver Resources 54 Hornbeck Offshore Services 54 Terex Corporation 54 KAR Auction Services 54 Natus Medical 54 Beacon Roofing Supply 54 Pacific Rubiales Energy 54 Precision Drilling Trust 54 Skilled Healthcare Group 54 Benchmark Electronics 54 Gentiva Health 54 Newfield Exploration Co. 54 CVR Energy 54 DryShips