Related by context. Frequent words. (Click for all words.) 41 XTO Energy Inc. 40 Diamond Offshore Drilling 39 oilfield 37 driller 37 Chesapeake Energy 36 Halliburton Co. 36 rig 36 Anadarko Petroleum Corp. 36 BP Plc 36 Transocean 36 rigs 36 Willbros 36 Oilfield 35 drilling rig 34 Halliburton 34 Drilling 34 BP 34 Mariner Energy 34 Occidental Petroleum 34 drilling rigs 34 Schlumberger 33 EOG Resources 33 Anadarko Petroleum 33 Oilfield Services 33 Kerr McGee 32 offshore rigs 32 Ensco 32 oil 32 National Oilwell Varco 32 Exxon 31 Pioneer Natural Resources 31 & Coots 31 Statoil ASA 31 Schlumberger Ltd. 31 XTO Energy 31 Transocean Ltd. 31 Expro 30 Weatherford 30 BP PLC BP 30 drillers 30 drillship 30 natural gas 30 Anadarko 30 XTO 29 Range Resources 28 drilling fluids 28 oilmen 28 McMoRan 28 StatoilHydro 28 EOG 27 Petrohawk 27 oilman 27 workover 27 Talisman Energy 27 Magnum Hunter 26 Ultra Petroleum 26 Statoil 26 drilling 26 EnCana 26 Encana 25 offshore drilling 25 directional drilling 25 deepwater 25 Grey Wolf 25 Piceance Basin 24 Nexen 24 derrick 24 drill rig 23 InterOil 23 Rig 23 deepwater Gulf 23 Talisman Energy Inc. 22 deepwater drilling 22 Barnett Shale 22 exploratory drilling 22 coalbed methane 21 wellbore 21 downhole 21 shale 20 drilled 20 Seadrill 20 wells drilled 20 wells 20 SandRidge 19 prospector 19 hydraulic fracturing 19 coal miner 19 Fugro 19 oil sands 18 horizontal drilling 18 exploration 17 PXP 17 Marcellus shale 17 coal seam 16 explorer 16 Driller 16 Talisman 15 miner 15 geologist 15 drill 13 frac