Related by context. Frequent words. (Click for all words.) 62 Hercules Offshore 62 Ensco International 59 Allis Chalmers Energy 59 Trico Marine Services 59 Hercules Offshore Inc. 58 Ensco 58 ENSCO International 57 offshore drilling contractor 57 Diamond Offshore Drilling 57 Oceaneering International 57 Cal Dive International 56 Newfield Exploration 56 Patterson UTI Energy 55 Hornbeck Offshore 55 National Oilwell 53 Helix Energy 53 Cal Dive 53 National Oilwell Varco 53 Trico Marine 53 NYSE PDE 53 FMC Technologies Inc. 53 Harvest Natural Resources 52 Diamond Offshore 52 DryShips 52 Bronco Drilling 51 Royale Energy 51 Transocean RIG 51 Nabors Industries 51 Cheniere Energy 51 Transocean NYSE RIG 51 Overseas Shipholding Group 51 Patterson UTI 50 Hornbeck Offshore Services 50 Approach Resources 50 Eagle Bulk Shipping 50 BPZ Energy 50 Halliburton HAL 50 Questar Corp. 50 Crimson Exploration 50 McMoRan Exploration Co. 50 Whiting Petroleum 49 Intrepid Potash 49 Cimarex Energy 49 Mariner Energy 49 GlobalSantaFe 49 Crosstex Energy 49 Nabors Industries Ltd. 49 Rosetta Resources 49 Willbros Group 48 Furmanite 48 Golar LNG 48 Seadrill 48 Brigham Exploration 48 Geokinetics 47 PetroQuest 47 Gasco Energy 47 driller 47 ExpressJet Holdings Inc. 47 Callon Petroleum Company 47 Vanguard Natural Resources 47 Omega Protein 47 GeoResources Inc. 47 Copano Energy 47 Venoco 47 Parallel Petroleum 47 EOG Resources 47 Reliant Resources 47 Quicksilver Resources 47 Exterran Holdings 47 Landry Restaurants Inc. 47 FMC Technologies 46 EOG Resources Inc. 46 TODCO 46 Comstock Resources 46 Sempra Energy NYSE SRE 46 Hydril 46 Precision Drilling 46 Sterling Bancshares 46 Cimarex Energy Co. 46 Schlumberger Ltd 46 Precision Drilling Trust 46 Layne Christensen 46 Transocean 46 Schlumberger NYSE SLB 46 Atlas Pipeline Partners 45 RigNet 45 Schlumberger 45 Grant Prideco 45 oilfield 45 Hyperdynamics 45 Ladenburg Thalmann Financial 45 Island Fabrication 45 jackup rigs 45 Cabot Oil 45 Concho Resources Inc. 45 Halliburton Co. 45 Brigham Exploration Company 45 Amerco 45 FelCor Lodging Trust 45 Ultra Petroleum 45 Whiting Petroleum Corporation