Related by context. Frequent words. (Click for all words.) 63 Paradox Basin 62 sedimentary basins 62 Chattanooga Shale 61 sandstone reservoirs 59 shale deposits 58 shales 58 Barnett shale 57 frac sand 57 geologic formation 56 Wolfcamp 56 coalbed methane CBM 56 Carbonates 56 sedimentary basin 56 geologic formations 56 undeveloped acreage 56 Montney formation 56 breccia pipes 55 Bakken formation 55 carbonate reservoirs 55 Yegua 55 Anadarko Basin 55 Lower Tertiary 55 basins 55 geological formations 55 placer deposits 55 Permian basin 55 shale formations 55 Aquifers 54 Arkoma Basin 54 sandstone formations 54 Upper Cretaceous 54 shale 54 Bakken Formation 54 coalbed methane wells 53 wellbores 53 Lower Cretaceous 53 coal seams 53 seismically defined 53 glacial till 53 Coal seam 53 Georgina Basin 53 alluvial deposits 53 Horizontal drilling 53 Appalachian basin 53 Bakken shale 53 Bakken Shale 53 salt domes 52 areal extent 52 Tar sands 52 undrilled 52 Utica shale 52 porosities 52 porphyry deposit 52 reservoir sands 52 Barnett Shale 52 Canada Sedimentary Basin 52 Mcfd 51 Austin Chalk 51 sandstones 51 Woodford Shale 51 oxide copper 51 unconventional shale 51 coalbed methane 51 greenstone belts 51 deepwater discoveries 51 fraccing 51 Exploration Permit 51 overriding royalty interest 51 fracturing fluids 51 depositional 51 Albany Shale 51 Fayetteville shale 51 drillable 51 liquid hydrocarbons 50 Denver Julesburg Basin 50 GeoPetro 50 gasfields 50 VIC/P# 50 iron oxides 50 Uranium mineralization 50 Geologically 50 Athabasca basin 50 hydrocarbons 50 Exploration Permits 50 Utica Shale 50 3D Seismic 50 Uinta Basin 50 Shouyang Block 50 geologically 50 Farmout 50 Deep Bossier 50 tar mats 50 Cutbank Ridge 50 uranium vanadium 50 graben 49 Monument Butte 49 Kaskida 49 siltstones 49 massive sulphide deposit 49 infill wells 49 Gippsland Basin