Related by context. Frequent words. (Click for all words.) 64 shale 61 shales 60 shale gas 56 Shale Gas 54 shale deposits 53 Haynesville Shale 52 Woodford Shale 52 Fayetteville Shale 52 Montney 51 Haynesville shale 51 Marcellus shale 51 shale formations 50 Barnett Shale 49 Marcellus 49 Oil Shale 49 Williston Basin 49 Bakken 48 Haynesville 48 Bakken Shale 48 horizontal wells 48 Appalachian Basin 48 Marcellus Shale 48 Formation 48 Bakken formation 47 Formations 47 Gastem 47 horizontal drilling 47 Granite Wash 47 Austin Chalk 47 Deep Basin 47 gas condensate 47 sandstones 47 coal seams 46 Devonian 46 Arkoma Basin 46 Shales 46 coalbed methane 46 Coal Bed Methane 45 Sandstone 45 Drilling 45 natural gas 44 Ford Shale 44 Marcellus Shale formation 44 geological formations 44 Uinta Basin 43 stratigraphic 43 bed methane 43 undrilled 43 Piceance 43 geologically 43 Piceance Basin 43 Surat Basin 43 Hydrocarbons 43 sedimentary rock 43 recoverable reserves 42 Gas Storage 42 hydrocarbon bearing 42 drilling 42 anticline 42 oil sands 42 geologic formations 42 fracing 42 sands 42 Natural Gas 42 Lithium 42 Niobrara 41 hydrocarbon 41 acre spacing 41 recompletion 41 Pinedale Anticline 41 coal seam gas 41 waterflood 41 Resource Estimate 41 Western Canadian Sedimentary 40 hydrocarbons 40 mineable 40 Gas 40 exploration 40 basins 40 wells drilled 40 Coal 40 Basins 39 Exploration 39 porosity 39 fracture stimulation 39 fracture stimulated 39 Basin 39 sedimentary rocks 39 Tcf 39 Joffre 39 coal seam 39 tcf 39 Miocene 39 Basal 39 gasfield 38 stratigraphy 38 rock formations 38 hydrocarbon reserves 38 Dejour 38 Rare Earth 38 Operational Update