Related by context. Frequent words. (Click for all words.) 53 wells 42 wells drilled 40 sumps 39 frac stages 39 Costayaco 39 Bakken formation 38 drilling 38 reservoir 38 Safe Drinking Water 38 Bakken shale 37 exploratory wells 37 undeveloped acreage 37 aquifers 37 wireline logs 37 drillings 37 fracture stimulated 37 borewells 36 wellheads 36 storage tanks 36 wellbore 36 boreholes 36 Culane 36 recompletion 36 submersible pumps 36 groundwater 35 workovers 35 Coal Bed Methane 35 dimensional seismic 35 basins 35 undrilled 35 oil 35 flowback 35 PanOcean 35 Bakken Formation 35 underground aquifers 35 fracs 35 ash ponds 35 subsea wells 35 directional drilling 34 water 34 horizontal drilling 34 reservoirs 34 wellhead 34 workover rigs 34 dissolved solids 34 Drilling 34 recompletions 34 Kuparuk 34 horizontal wells 34 drilling rigs 33 wellfield 33 overriding royalty interest 33 hydrocarbon bearing 33 Contaminants 33 pipelines 33 aquifer 33 compressor stations 33 Austin Chalk 33 deepwater wells 33 Response Compensation 33 hydrocarbon 33 borehole 33 submersible pump 33 exploratory drilling 32 drilled 32 Granite Wash 32 Arkoma Basin 32 hydraulic fracturing 32 Ogallala Aquifer 32 perchlorate contamination 32 underground aquifer 32 downhole 32 drillers 32 tubewells 32 drilled vertically 32 contaminate groundwater 32 mcf d 32 farmout 32 Wolfberry 32 groundwater contamination 32 potable water 32 Anadarko Basin 32 Bopd 31 Piceance Basin 31 Woodford Shale 31 waterflood 31 fracing 31 septic tanks 31 oilfield 31 bopd 31 Haynesville shale 31 oilfields 31 total dissolved solids 31 contaminants 31 Longtom 31 acre spacing 31 condensate 31 chlorinating 30 BOPD 30 Mmcf d 30 frac