Related by context. Frequent words. (Click for all words.) 61 gasfields 60 coalbed methane 59 Bakken formation 59 North Slope 59 Gippsland Basin 58 Niobrara Shale 57 natural gas 57 Utica shale 57 coalbed methane CBM 56 Yamal Peninsula 56 Uinta Basin 56 Bakken shale 56 Cook Inlet 56 Kuparuk 55 Exploratory drilling 55 gasfield 55 methane hydrate 55 CBM wells 54 Monument Butte 54 sedimentary basin 54 geologic formations 54 sedimentary basins 54 technically recoverable 54 Bakken Formation 54 Fayetteville shale 54 Appalachian basin 54 Alaska Cook Inlet 54 exploratory drilling 54 Woodford Shale 54 shale 53 Deep Panuke 53 CO2 sequestration 53 Outer Continental Shelf OCS 53 VIC/P# 53 bed methane 53 Jolly Ranch 53 Lodgepole 53 Teshekpuk Lake 52 Ormen Lange 52 KG D6 block 52 oilfields 52 economically recoverable 52 Marcellus wells 52 undeveloped acreage 52 Newfield Exploration 52 Utica Shale 52 Carnarvon Basin 51 Barnett shale 51 tcf 51 drilling 51 BOED 51 oil 51 injection wells 51 sandstone reservoirs 51 hydrocarbon 51 Norwegian Continental Shelf 51 coal seam methane 51 areal extent 51 unconventional shale 51 Alvheim 51 Bakken 51 frac sand 51 subsalt 51 OGJ Online 51 Bayu Undan 51 Haynesville shale 51 Beaufort Sea 51 geologic 51 Alaska Prudhoe Bay 50 gas hydrates 50 Pinedale Anticline 50 reinjection 50 Tindalo 50 Maari 50 wells 50 shale deposits 50 Chicontepec 50 Southcentral Alaska 50 offshore oilfields 50 shale gas 50 hydrocarbon reserves 50 reservoir sands 50 waterflood 50 Arkoma Basin 50 gasline 50 reservoir 50 Uintah Basin 50 GeoPetro 50 Georgina Basin 50 Hangingstone 50 horizontal drilling 50 gas 50 exploration 50 Petroleum Reserve 49 Timan Pechora 49 Piceance 49 acreage 49 geological formations 49 updip 49 bcf d 49 wells drilled