Related by context. Frequent words. (Click for all words.) 52 Range Resources 48 NYSE RRC 46 fracking 45 drillers 45 hydraulic fracturing 43 coal seam 43 coal seams 43 Marcellus shale 43 Brigham Exploration 43 Powder River Basin 42 spokeswoman Kendra Barkoff 42 exploratory drilling 42 Cimarex Energy 42 EOG Resources Inc. 42 dissolved solids 42 Cabot Oil 42 Bakken shale 42 Appalachian Basin 42 Rulison 42 drilling 42 Marcellus Shale Coalition 42 hydrofracking 41 CNX Gas 41 QEP Resources 41 Newfield Exploration 41 Marcellus Shale 41 horizontal drilling 41 Wyoming Powder River 41 drilling fluids 41 methane 41 EQT Corporation 41 Fracking 41 Chesapeake Energy 41 Marcellus Shale formation 41 Whiting Petroleum 41 Piceance 41 COGCC 40 Three Forks Sanish 40 contaminate groundwater 40 total dissolved solids 40 Marcellus Shale drilling 40 Fayetteville Shale 40 flowback 39 fracing 39 Woodford Shale 39 EOG Resources 39 drillings 39 wells 39 BEXP 39 DEP 39 coal slurry 39 frack 39 CONSOL 39 Royale Energy 38 Copano Energy LLC 38 MarkWest 38 Hydraulic fracturing 38 GeoResources Inc. 38 gasline 38 shale formations 38 Utica Shale 38 St. Lawrence Lowlands 38 Uinta Basin 38 Barnett Shale 38 natural gas 38 wellbore 38 shale 38 coalbed methane 38 valley fills 38 wastewater discharges 38 Denbury Resources 37 BOEMRE 37 Arkoma Basin 37 Haynesville shale 37 contaminate drinking 37 Rare Element 37 MegaWest 37 Copano Energy 37 underground piping 37 shale deposits 37 NYSE COG 37 Bakken formation 37 DEQ 37 Eresman 37 fly ash 37 Newfield Exploration Company 37 Haynesville Shale 37 contaminated groundwater 37 Noxen 37 Patriot Coal 37 Drilling 37 GMXR 37 Vanguard Natural Resources 37 wellhead 37 directional drilling 37 Bakken Formation 37 methane gas 36 bituminous coal 36 borings 36 undeveloped acreage 36 vapor intrusion