Related by context. Frequent words. (Click for all words.) 50 Horseshoe Canyon 46 Deep Basin 46 Lochend 45 Wolfberry 45 Mannville 45 Gippsland Basin 44 Gething 43 Youngson 43 Meikle 43 Eaglesham 43 unconventional shale 42 Exall 42 Coal Bed Methane 42 Woodford Shale 42 Anticline 42 Geologically 42 Arkoma Basin 42 Elmworth 42 Granite Wash 41 Dunrobin 41 Montney 41 Dalgarno 41 shales 41 Kambalda 41 Barnett shale 41 Bowey 40 Sproule 40 Haynesville shale 40 Maclennan 40 Cruickshanks 40 Bullen 40 Escarpment 40 Cochrane 40 Jellicoe 40 Shale 40 downdip 40 Magnetite 40 Padbury 39 North Falkland Basin 39 Anadarko Basin 39 Struan 39 Meechan 39 Lower Cretaceous 39 Crighton 39 Geochemical 39 recompleted 39 shale 39 Carboniferous 39 stratigraphic 39 Raglan 39 Elphick 39 Buchan 39 Heasman 39 Colquhoun 38 sandstones 38 Ewan 38 Utica Shale 38 Nobes 38 Aberfoyle 38 Strathearn 38 Oligocene 38 Pitlochry 38 Alyth 38 Austin Chalk 38 Fraser 38 Cessford 38 Larder Lake 38 Endersby 38 Kinnoull 38 Macleod 38 limestones 38 Carbonate 38 Stonehouse 38 Mirfin 38 McFadzean 38 Mcleod 38 sedimentary basin 38 sedimentary basins 38 Goodhand 38 McGinlay 38 Silurian 38 Blackhall 37 Galilee Basin 37 Notman 37 Albany Shale 37 stratigraphy 37 Wapiti 37 Tansley 37 bed methane CBM 37 Taranaki Basin 37 waterflood 37 Carnarvon Basin 37 Rare Earth Element 37 geochemical anomaly 37 Hemlo 37 Bakken Shale 37 Fayetteville shale 37 Gauld 37 Beath 37 Uinta Basin 37 Strath