Related by context. Frequent words. (Click for all words.) 62 prospectors 56 drillers 52 explorers 46 oilman 45 driller 45 shale 44 barons 44 oilfields 43 oil 42 XTO Energy 42 shale gas 42 geologists 41 rigs 41 XTO 41 mining 41 explorer 40 dreamers 40 cowboys 40 Gold Rush 39 exploration 39 oilfield 38 Barnett Shale 38 discoveries 38 North Slope 38 coal miners 37 ranchers 37 Exxon 37 gas 37 horizontal drilling 37 prospecting 37 Kerr McGee 37 petroleum 37 Encana 37 drilling 37 Haynesville 36 Chesapeake Energy 36 tycoons 36 EnCana 36 Exxon Mobil 36 Marcellus shale 36 Petroleum 36 ranching 36 sands 36 geologist 36 Range Resources 36 bootleggers 36 outlaws 36 capitalists 36 miners 36 drilling rigs 36 natural gas 35 cowboy 35 T. Boone Pickens 35 oil sands 35 Mining 35 tar sands 35 rancher 35 speculators 35 Occidental Petroleum 35 goldmine 35 coal mines 35 companies 35 Haynesville Shale 35 cowboy hats 35 Williston Basin 35 rich 35 mines 34 mavericks 34 Permian Basin 34 explorations 34 hydrocarbon 34 riches 34 dealmakers 34 wells drilled 34 coalbed methane 34 pioneers 34 Conoco 34 lawmen 34 Exploration 34 hydrocarbons 34 Anadarko 34 wells 34 Chevron 34 Natural Gas 34 fracking 34 loggers 34 salesmen 33 Texan 33 windfall profits 33 Panhandle 33 coal mining 33 businessmen 33 unexplored 33 truckers 33 crooks 33 ranches 33 ChevronTexaco 33 Marcellus Shale 33 inventors 33 ExxonMobil 33 geology