Related by context. Frequent words. (Click for all words.) 53 Diamond Offshore Drilling 51 ENSCO International 50 Atwood Oceanics 50 Baker Hughes BHI 50 Patterson UTI Energy 49 Nabors Industries Ltd. 49 Transocean NYSE RIG 49 Ensco International 48 Cal Dive International 48 Transocean RIG 48 Cheniere Energy 47 Rosetta Resources 47 Halliburton HAL 47 Nabors Industries 46 Schlumberger SLB 46 Dril Quip 45 Hercules Offshore Inc. 45 Schlumberger NYSE SLB 45 Newfield Exploration Co. 45 NYSE SLB 44 Precision Drilling 44 Cimarex Energy 44 Carrizo Oil & 43 Whiting Petroleum 43 Hornbeck Offshore Services 43 Diamond Offshore 43 Flotek Industries Inc. 43 Harvest Natural Resources 43 Brigham Exploration 43 Approach Resources 43 Exco Resources 43 Schlumberger 42 Oceaneering International 42 Superior Offshore 42 Allis Chalmers Energy 42 Precision Drilling Trust 42 Hornbeck Offshore 42 National Oilwell Varco 42 Helix Energy 41 ExxonMobil XOM 41 Varco 41 Hercules Offshore 41 BP Prudhoe Bay 41 NYSE RDC 41 McMoRan Exploration Co. 41 Denbury Resources 41 Newfield Exploration 41 Helmerich & 41 Bronco Drilling 41 Exxon Mobil NYSE XOM 40 National Oilwell 40 Westlake Chemical 40 FMC Technologies 40 NYSE RRC 40 Schlumberger Limited 40 Petrobras PBR 40 Accenture ACN 40 Crosstex Energy 40 Willbros Group 39 drillers 39 Newfield Exploration Company 39 Halliburton Co. 39 Royale Energy 39 NYSE HAL 39 NYSE NOV 39 PetroQuest 39 Desire Petroleum 39 Chevron NYSE CVX 39 Northrop Grumman NOC 39 driller 39 NYSE PDE 38 QEP Resources 38 Sembcorp Marine 38 Encana Corp. 38 NuStar Energy 38 Core Laboratories 38 Energy XXI 38 Bronco Drilling Company 38 Plains Exploration 38 NATCO Group 38 recounts kidnapping 38 Pioneer Drilling 37 Total TOT 37 Quicksilver Resources 37 Halliburton 37 Schlumberger Ltd. 37 SembCorp Marine 37 XTO Energy 37 Cnooc Ltd. 37 CVX 37 Talisman Energy Inc. 37 FMC Technologies Inc. 37 Petrochina 37 XOM.N Quote Profile Research 37 ConocoPhillips COP 37 NYSE CHK 37 rigs 37 Talisman Energy 37 Crimson Exploration 37 Anadarko Petroleum 37 Schlumberger Ltd