Related by context. Frequent words. (Click for all words.) 60 sulfide mineralization 57 downdip 50 mineable reserves 50 kimberlite pipes 48 undrilled 47 sedimentary basin 47 sedimentary basins 46 recoverable reserves 46 placer gold 46 geological geophysical 46 3P reserves 46 economically recoverable 45 Bakken Formation 45 Utica Shale 44 Woodford Shale 43 Bakken formation 43 Ghawar 43 Albany Shale 43 tcf 43 Tcf 43 crustal 42 gas condensate 41 unrisked 41 horizontal lateral 41 producible 40 geologists 40 coal seams 40 Proved Reserves 40 shales 40 Barnett shale 40 glacial melt 40 Orinoco Belt 39 Timan Pechora 39 subsurface 39 sedimentary rock 39 Bohai Bay 39 geological formations 38 wireline logs 38 shale formations 38 Appalachian Basin 38 drillings 37 shale gas 37 undeveloped acreage 37 Marcellus wells 37 hydrocarbon 37 gas hydrates 37 recoverable 37 coalbed methane CBM 37 acre spacing 37 extractable 37 horizontal drilling 36 coal seam 36 wells drilled 36 methane hydrates 36 Haynesville Shale 36 unconventional shale 36 trillion cubic feet 36 geology 35 earth crust 35 natural gas 35 horizontal wells 35 shale 35 hydrocarbons 34 MegaWest 34 shale deposits 34 Geochemistry 34 coalbed methane 34 wellbore 33 condensate 33 frac stages 33 Barnett Shale 33 aquifers 33 tectonics 33 condensates 32 borings 32 Earth crust 32 fracing 32 Petrosearch 31 hydrogeology 31 Marcellus Shale formation 31 wells 30 methane 29 QEP Resources 29 CNX Gas 29 Shale 28 Marcellus Shale 28 Colaprete 28 Marcellus 28 underground aquifers 27 USGS 26 methane gas 26 Marcellus shale 26 drillers 24 geological sciences 23 Yergin 22 fracking fluid 20 Rulison 18 Shales 17 anthracite coal 16 Dziak 15 Brozena