Related by context. Frequent words. (Click for all words.) 89 Marcellus shale 72 Marcellus 68 Barnett Shale 65 Haynesville Shale 64 shale 64 shale gas 60 Appalachian Basin 59 hydraulic fracturing 57 fracking 57 coalbed methane 56 Haynesville 56 drillers 55 horizontal drilling 52 Chesapeake Energy 52 natural gas 52 Montney 52 Williston Basin 50 Powder River Basin 50 coal seam gas 49 EOG 49 Bakken 49 horizontal wells 49 bed methane 48 Range Resources 48 Shale 47 oil sands 46 North Slope 46 drilling 46 coal seams 46 hydrocarbon 46 Pennsylvania 45 XTO 45 Northeastern Pennsylvania 45 gas condensate 45 Permian Basin 45 Cabot Oil 45 northeastern Pennsylvania 44 Appalachia 44 Luzerne County 44 frac 44 Encana 44 Southern Tier 43 CBM 43 wells drilled 43 Anadarko 42 Pennsylvania Turnpike 42 Cardium 42 EQT 42 oilsands 42 Environmental Conservation 42 Bcf 42 Natural Gas 41 Harrisburg 41 Rendell 41 Chemung County 41 DEP 41 Chesapeake 41 Lycoming 41 Tom Corbett 41 Luzerne 40 XTO Energy 40 West Virginia 40 Wyoming 40 Three Forks 40 Governor Rendell 40 wells 40 Pennsylvanians 40 Gov. Ed Rendell 40 Tunkhannock 39 deepwater 39 coal 39 Spectra Energy 39 Susquehanna 39 Outer Continental Shelf 39 Monongahela 39 Tioga 39 Oil Sands 39 Anadarko Petroleum 39 coal mining 39 PennDOT 38 EnCana 38 Consol 38 trillion cubic feet 38 exploratory drilling 38 hydrocarbons 38 MMcf 38 Drilling 38 Onorato 38 McMoRan 38 Lackawanna County 38 wellbore 38 Gov. Rendell 38 Poconos 38 Newfield 38 Fayette County 37 methane 37 recoverable reserves 37 Lehigh Valley 37 Clearfield 37 Consol Energy 37 Timor Sea