Related by context. Frequent words. (Click for all words.) 68 ENSCO International 64 Transocean RIG 63 NYSE PDE 62 Atwood Oceanics 62 Overseas Shipholding 61 Allis Chalmers Energy 60 NYSE NOV 60 Transocean NYSE RIG 60 McMoRan Exploration Co. 59 Flotek Industries Inc. 59 Ensco International 59 NYSE SLB 59 Trico Marine Services 58 Diamond Offshore Drilling 58 Nabors Industries Ltd. 58 Rosetta Resources 57 Hercules Offshore 57 Diamond Offshore 57 Eagle Bulk Shipping 56 Schlumberger NYSE SLB 56 Overseas Shipholding Group 56 Oceaneering International 56 Tsakos Energy Navigation 55 NYSE APC 55 Hercules Offshore Inc. 55 DryShips 55 Vanguard Natural Resources 55 Dril Quip 55 Copano Energy LLC 55 Approach Resources 55 Newfield Exploration Company 55 Newfield Exploration Co. 55 NYSE CHK 55 Teekay Tankers 54 NYSE OSG 54 Golar LNG 54 Corporation NYSE CHK 54 Crimson Exploration 54 Hornbeck Offshore 54 Hornbeck Offshore Services 54 Cheniere Energy 53 Carrizo Oil & 53 NYSE MRO 53 BEXP 53 Bronco Drilling 53 NYSE XTO 53 Cal Dive International 53 Cimarex Energy 53 Bronco Drilling Company 52 National Oilwell Varco 52 NYSE PCX 52 NYSE COG 52 Brigham Exploration 52 Newfield Exploration 52 Patterson UTI Energy 52 offshore drilling contractor 52 Martin Midstream Partners 52 Helix Energy 52 Transocean 52 Crosstex Energy 51 TODCO 51 GeoResources Inc. 51 NYSE TSO 51 NYSE CNX 51 RDS.A 51 Harvest Natural Resources 51 NYSE RRC 51 NFX 51 Atlas Pipeline Partners 51 Petroleo Brasileiro 50 Halliburton HAL 50 Schlumberger SLB 50 Whiting Petroleum Corporation 50 NYSE HES 50 Island Fabrication 50 DryShips Inc. 50 Ultra Petroleum 50 Whiting Petroleum 50 American Tanker Shipping 50 Cheniere Energy Inc. 50 Royale Energy 50 Exxon Mobil NYSE XOM 50 NYSE CVX 50 NYSE XOM 50 Petrobras PBR 50 Ocean Rig 50 CVX 49 Copano Energy 49 Concho Resources Inc. 49 Aban Offshore 49 NYSE COP 49 Westlake Chemical 49 FMC Technologies Inc. 49 Seadrill 49 Chevron NYSE CVX 49 KWK 49 OceanFreight Inc. 49 Diana Shipping 49 drybulk 49 Star Bulk Carriers 48 Mariner Energy