Related by context. Frequent words. (Click for all words.) 61 Marcellus shale 61 wells drilled 60 Marcellus 60 Marcellus Shale 59 horizontal drilling 59 horizontal wells 58 wells 55 drillers 54 Barnett Shale 54 coal seams 53 Bakken formation 53 Haynesville Shale 53 shale formations 53 Marcellus Shale formation 52 Fayetteville Shale 52 coalbed methane 51 shale gas 51 Appalachian Basin 51 coal seam 51 Mmcfe per 50 drilling 49 shale 49 Haynesville 49 natural gas 49 EOG Resources 48 shales 48 hydraulic fracturing 48 MMcf 48 bed methane 48 Granite Wash 48 MMcfd 48 mmcf d 48 fracking 48 bopd 48 MMcfe 47 exploratory wells 47 frac 47 tcf 47 CNX Gas 47 hydrocarbon bearing 47 acre spacing 47 hydrofracking 46 bbls 46 Niobrara 46 Bcfe 46 Drilling 46 Fracking 46 Encana 46 trillion cubic feet 46 Williston Basin 46 Range Resources 46 Bakken Shale 46 EOG Resources Inc. 46 Tcf 46 appraisal wells 45 directional drilling 45 Bcf 45 mmcf 45 Bopd 45 drilling rigs 45 fracture stimulation 45 MMcfe d 45 Piceance Basin 45 recoverable reserves 45 BOEPD 45 BOPD 45 compressor stations 45 shale deposits 45 wellbore 45 delineation drilling 44 gas condensate 44 boe d 44 Shale 44 Chesapeake Energy 44 Mcfe 44 MMcf d 44 EOG 44 ERCB 44 hydrocarbon 44 recompletion 44 exploratory drilling 43 waterflood 43 CBM 43 BOE d 43 Petrohawk 43 mcf d 43 drilled 43 Powder River Basin 43 acreage 43 cubic feet 43 cubic feet Bcf 43 bcf 43 Bakken 43 boepd 42 Deep Basin 42 methane 42 drill rigs 42 MarkWest 42 coal seam gas 42 CAFOs 42 DEP