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(Click for frequent words.) 89 Marcellus Shale 76 Marcellus Shale formation 73 Marcellus shale formation 69 Marcellus 69 shale gas 68 shale 67 Barnett Shale 65 Haynesville Shale 65 Fayetteville Shale 64 Marcellus Shale drilling 62 Utica Shale 62 Chattanooga Shale 62 Appalachian Basin 61 Marcellus wells 60 Marcellus shale drilling 60 lucrative Marcellus Shale 60 unconventional shale 60 Barnett shale 60 Utica shale 60 Haynesville shale 59 shale formations 59 Haynesville Fayetteville 59 Woodford Shale 59 coalbed methane 59 horizontal drilling 59 Woodford shale 58 Marcellus acreage 58 Eagleford 57 shale deposits 57 Bakken formation 57 Haynesville 57 fracking 57 hydrofracking 57 Marcellus shale wells 57 hydraulic fracturing 57 Paradox Basin 57 Utica shales 57 hydro fracking 56 Bakken shale 56 Deep Bossier 56 Williston Basin 55 Fayetteville shale 55 Bakken Shale 55 Marcellus shales 55 Marcellus Haynesville 55 shales 55 drillers 55 Coalbed methane 55 Ford Shale 54 Marcellus Shale wells 54 Barnett Shale formation 54 Appalachian basin 54 Marcellus Shale acreage 54 Deep Basin 54 Pinedale Anticline 53 Utica Shale formation 53 Devonian shale 53 Montney 53 Granite Wash 53 Wolfcamp 53 Arkansas Fayetteville Shale 53 shale basins 53 Marcellus Shale geologic 53 Bakken shale formation 53 Bakken Formation 53 bed methane 53 Montney shale 53 Lower Bossier Haynesville 52 Piceance Basin 52 Niobrara Shale 52 Colorado Piceance Basin 52 horizontal wells 52 prolific Barnett Shale 52 Niobrara formation 52 Uinta Basin 52 unconventional reservoirs 51 Woodford Shale Play 51 coal seam 51 Cana Woodford Shale 51 Palo Duro Basin 51 Shale 51 CNX Gas 51 Chesapeake Appalachia 51 St. Lawrence Lowlands 51 undeveloped acreage 51 hydraulically fracture 51 Piceance basin 51 hydrofracturing 51 Haynesville Shale formation 51 Gething Formation 51 Fayetteville Shale Play 50 Lower Tertiary 50 Wolffork 50 Montney Doig 50 Cardium formation 50 Devonian Shale 50 drilling horizontal wells 50 Niobrara shale 50 Austin Chalk 50 Nikanassin 50 undeveloped leasehold 50 EOG 50 coal seam gas 50 Fracking 50 coalbed methane wells 50 natural gas 50 Haynesville Bossier shale 50 Barnett Shale acreage 50 coalbed 50 Powder River Basin 50 oil sands 49 Anadarko Basin 49 Utica shale formations 49 coal seams 49 undrilled prospects 49 coalbed methane CBM 49 Haynesville Bossier Shale 49 Granite Wash formation 49 Anadarko Woodford 49 hydrocarbon 49 horizontal Marcellus 49 Bakken acreage 49 Vermillion Basin 49 Chesapeake Energy 49 Bakken 49 fracked 49 Engelder 49 Overthrust 49 Fayetteville shales 49 Pasquia Hills oil 49 Marcellus shale acreage 48 Niobrara 48 Spraberry Trend 48 Haynesville Bossier 48 horizontal Marcellus Shale 48 Montney formation 48 Albany Shale 48 Horseshoe Canyon 48 Haynesville shales 48 Pembina Cardium 48 Cook Inlet basin 48 hydro fracturing 48 drilling 48 Monument Butte 48 Haynesville wells 48 Shale Gas 48 Piceance 48 Huron Berea 48 layered sedimentary rock 48 St Lawrence Lowlands 48 horizontal hydrofracking 48 Equitrans 48 PetroEdge 48 Muskwa 48 Val Verde Basin 48 Cana Woodford 48 fracing 48 Yegua Cook Mountain 47 Duvernay shale 47 Terry Engelder 47 Quifa block 47 Eagleford Shale 47 Hydrofracking 47 horizontal Bakken 47 Lower Montney 47 subsalt 47 Cinco Terry 47 EOG Resources 47 horizontal Niobrara 47 Arkoma Basin 47 drilled horizontally 47 Niobrara shale formation 47 Notikewin 47 Thrace Basin 47 frack 47 Cherokee Basin 47 Powder River basin 47 Denver Julesburg Basin 47 frac 46 Cana Shale 46 Colony Granite Wash 46 Cutbank Ridge 46 Caney Shale 46 fracking fluid 46 EOG Resources Inc. 46 Galilee Basin 46 Permian basin 46 Buffalo Wallow 46 Surat Basin 46 Frac Tech 46 Kathryn Klaber president 46 Horizontal drilling 46 hydraulically fracturing 46 matrix porosity 46 Fences concession 46 Ladyfern 46 Wattenberg Field 46 Haynesville Shale leasehold 46 Montney fairway 46 Ellenburger 46 Coal Bed Methane 46 Colorado Roan Plateau 46 Montney shale gas 46 Roan Plateau 46 Permian Basin 46 Mako Trough 46 XTO 46 Nesson Anticline 46 Lower Shaunavon 46 Range Resources 46 Shale formations 46 Belin # 46 Bossier Haynesville 46 Outer Continental Shelf OCS 45 Bakken horizontal 45 Arpatepe 45 Wilrich 45 Marcellus Shale drillers 45 shallower formations 45 MarkWest Liberty 45 Upper Devonian 45 Haynesville Marcellus 45 CNX Gas drilled 45 Wolfcamp Shale 45 Three Forks Sanish 45 Elm Coulee 45 Arkoma basin 45 Haynesville acreage 45 OGX 2A 45 Jolly Ranch 45 sedimentary basin 45 Montney Formation 45 undrilled 45 Wilrich horizontal 45 Williston Basin Bakken 45 Noxen 45 rich Bakken shale 45 fraccing 45 Williston basin 45 Canyon Sandstone 45 Pearsall shale 45 Elmworth 45 wells drilled 45 Devonian reef 45 operated horizontal wells 45 GMXR 45 commented Dinges 45 Pinon Field 45 Mannville CBM 45 gas condensate 45 Uinta basin 45 Montney resource 45 Slave Point 45 THAI TM 45 Georgina Basin 45 Barnett Shale wells 45 Avalon Shale 45 Tethys believes 45 Outer Foothills 44 MarkWest 44 Marcellus Shale Coalition 44 underground shale formations 44 Waipawa Black 44 anthracite coal 44 leasehold acreage 44 SEECO 44 Fayetteville Shale formation 44 Bossier Sands 44 Atoka formations 44 Tianwaitian field 44 Oklahoma Cana Woodford 44 situ oilsands 44 uphole 44 Dodsland 44 Gas Drilling 44 oilsands 44 CBM wells 44 Majorsville 44 Appalachia 44 Wolfberry Trend 44 Matthys McMillan Gas 44 Chief Executive Aubrey McClendon 44 refrac 44 Leor Energy 44 Cordova Embayment 44 Bossier shale 44 Piceance Basins 44 Ozona Northeast 44 Maverick Basin 44 Bakken shales 44 Anadarko Mitsui 44 Nikaitchuq 44 Unconventional Gas 44 Nordegg 44 Pelahatchie Field 44 Southpointe II 44 Arkoma 44 Grizzly Bluff 44 Viola Limestone 44 Mamm Creek 44 Gastar 44 EXCO Resources 44 Anadarko 44 Fayetteville Shale acreage 44 Panhandle Granite Wash 44 Wolfcamp formations 44 oilsand 44 Barnett Shale geologic 44 Nicolet Permit 44 contiguous acreage 44 Matoushek 44 shallower Cretaceous 44 Lower Tertiary trend 44 Anadarko Woodford Shale 44 unrisked reserve 44 Maritimes Basin 44 Glen Rose Porosity 44 Cenomanian 44 hydraulic fracking 44 Gas Shales 44 Frankfield Project 44 Baxter Shale 44 Sanish field 44 COGCC 44 sandstone reservoirs 44 Bakken wells 44 Kathryn Klaber 43 Shelby Trough 43 Nomac Drilling 43 Kashagan 43 Dodsland Viking 43 hydrocarbon accumulations 43 Ammazzo prospect 43 Cadomin 43 CONSOL 43 West Tavaputs 43 Antrim shale 43 Encana 43 Fuhrman Mascho 43 Bossier shales 43 Mountrail County 43 uncompleted wells 43 Wolfberry 43 wellbores 43 directionally drill 43 frack flowback 43 acre spacing 43 Mesaverde formation 43 UnionTown 43 Queensland coal seam 43 carbonaceous shale 43 Selma Chalk 43 nonproducing 43 Cook Inlet Basin 43 Marcellus Shales 43 subsalt cluster 43 Denver Julesberg Basin 43 Yegua 43 drillsites 43 Akkulka 43 Cardium 43 Kaskida 43 Wolfberry trend 43 Western Canadian Sedimentary 43 hydraulic fracturing fracking 43 CBM 43 North Falkland Basin 43 Revloc Project 43 Montney shale plays 43 Upper Mirador 43 northern Alberta oilsands 43 multi frac 43 Doig Montney 43 Gippsland Basin 43 Sand Wash 43 horizontal Mississippian 43 Elm Grove Field 43 North Slope 43 spokesman Matt Pitzarella 43 deepwater Gulf 43 fine grained sedimentary 43 Lotshi Block 43 booming Bakken Shale 43 Patchawarra 43 Koliba Prospect 43 Arkoma Woodford 43 exploratory drilling 43 carbonate reservoirs 43 Alaska Prudhoe Bay 43 Glauconitic 43 Carnarvon Basin 43 Arctic Coastal Plain 43 Huron Shale 43 Mexico Wolfcamp 43 horizontal hydraulic fracturing 43 Costayaco field 43 Scott Rotruck 43 trillion cubic feet 43 Gastem 43 tar sands 43 Mesaverde 42 Lower Oligocene 42 PetroWorth 42 recompletion 42 Haynesville Shale wells 42 Ansell Sundance 42 VIC/P# 42 Hydraulic fracturing 42 onshore shale formations 42 Hilcorp 42 Timan Pechora 42 Magnum Hunter 42 Greater Buffalo Wallow 42 Bemolanga 42 Lower Acacus 42 Marcellus Shale leasehold 42 Beaverhill Lake 42 Browse Basin offshore 42 Bohai Bay 42 Notikewin formation 42 Alberta oilsands 42 deepwater 42 stratigraphic trap 42 saline formations 42 IOGA 42 Exco Resources 42 undrilled locations 42 Yegua formation 42 TGGT 42 Pennsylvania Wilds 42 permeability reservoir 42 Mowry Shale 42 Dan O. Dinges 42 Triassic Montney 42 Jonah Pinedale 42 Kul Bas 42 stage fracs 42 Barnett Shale Formation 42 Sublette County 42 Anadarko Petroleum 42 Nextraction 42 coalbed gas 42 Simpson Dolomite 42 Wolfcamp shale 42 Yamal Peninsula 42 Droshky 42 downspacing 42 northcentral Pennsylvania 42 Altamont Bluebell 42 Letitna 42 Denver Julesburg basin 42 LOR # 42 Antero Resources 42 horizontal Granite Wash 42 Pearsall Shale 42 NOS# 42 oilsands leases 42 Ogallala Aquifer 42 Lithium brine 42 Glacier Montney 42 Browse basin 42 Lower Bossier Shale 42 fraced 42 Anschutz Exploration 42 economically exploitable 42 DeSoto Parish Louisiana 42 Glauconite 42 Taribani Field 42 Niakuk 42 Washakie Basin 42 Aneth Field 42 sedimentary basins 42 Drunkard Wash 42 Neslin 42 Yolotan 42 Browse Basin 42 Kovykta gas 41 Natural Buttes 41 wells 41 Kodiak leasehold 41 Wolfcamp formation 41 Piceance Uinta 41 Cooper Eromanga Basin 41 geologically 41 Mississippian formation 41 Musreau 41 Roncott 41 Sawn Lake 41 saltwater disposal 41 Horizontal wells 41 Chiis deposit 41 Montney wells 41 Hiram Brook 41 offshore Tupi 41 Marmaton 41 Nenana Basin 41 Enerplus 41 Alberta tar sands 41 Oooguruk 41 Spraberry 41 XTO Energy 41 hydrocarbons 41 Athabasca oilsands 41 Cardium horizontal 41 microseismic 41 Greater Gorgon 41 Moxa Arch 41 WBEXT 1A 41 Electra Burkburnett 41 ACOR PEL 41 drillable 41 Upper Oligocene 41 Ruvuma Basin 41 Matthys McMillan 41 MMcfed 41 Granite Wash wells 41 Michigan Antrim Shale 41 Gibson Gulch 41 acidized 41 CEO Aubrey McClendon 41 carbonate reservoir 41 stratigraphic traps 41 Pennsylvania 41 Calliope Gas 41 block L#/# 41 fracking fluids 41 Ordos Basin 41 Orphan Basin 41 outer Continental Shelf 41 Allenergy 41 Barnett Shale Fayetteville Shale 41 Fort Worth Barnett Shale 41 hydrocarbon reserves 41 Uinta Basins 41 Mirzaani # 41 WellDog 41 Frio formation 41 Cretaceous sands 41 hydrocarbon reservoirs 41 northeastern Pennsylvania 41 horizontal wells drilled 41 horizontal Montney 41 seismically defined 41 Pasquia Hills 41 Zosh Road 41 Birdbear 41 Kovykta 41 fracture stimulated 41 Montanore 41 Waskada 41 Cretaceous reservoir 41 Blacktail Ridge 41 acreage 41 coalbed natural 41 Directional drilling 41 Utah Hingeline 41 Kaybob 41 drillable locations 41 Morichito Block 41 Cannery Loop 41 Three Forks 41 Pasquia Hills Saskatchewan 41 Gordondale 41 Sheikh Adi 41 Otero Mesa 41 horizontal Haynesville shale 41 Upper Montney 41 Powder River Basin PRB 41 directional drilling 41 Huasna 41 Bluesky formation 41 Gething formation 41 Lodgepole formation 41 Petrohawk 41 Putumayo Basin 41 geologic formation 41 crestal 41 Mahogany Deep 41 Patos Marinza 41 Alliance Sanitary Landfill 41 Quinn 3H 41 Permo Carboniferous 41 Verkhnechonskoye 41 Montney Shale 41 Athabasca basin 41 Rancher Energy 41 coal mining 41 Fuhrman Mascho properties 41 QEP Energy 41 Canadian sedimentary basin 41 AltaCanada 41 Mosman Rockingham 40 Tar sands 40 Absaloka Mine 40 Lackawanna Luzerne 40 deepwater GoM 40 Duparquet 40 Utah Uinta Basin 40 Niobrara Shale formation 40 Waterflood 40 Lochend Cardium 40 Rotliegend 40 MegaWest 40 leasehold acquisitions 40 geologic formations 40 Nemaha Ridge 40 Bossier Shale 40 Thelon 40 Ante5 40 Shafag Asiman 40 bituminous mines 40 Wyoming 40 bituminous coal 40 Santos Basin 40 unconventional shales 40 Skyharbour Resources 40 Canada Sedimentary Basin 40 Milagro Exploration 40 geological formations 40 Seberaba # 40 Kotaneelee 40 Albertine Graben 40 Strawn Limestone 40 Utica Shales 40 slickwater 40 NYSE XCO 40 Lower Abo 40 CREDO owns 40 Chicontepec 40 CBM SE 40 Champion Drilling Fluids 40 frac'ing 40 nonoperated 40 methane 40 Pembina Brazeau 40 Fuhrman Mascho Field 40 uphole Cretaceous 40 Bossier Shales 40 Cabot Oil 40 Telemark Hub 40 Plawce 40 Keathley Canyon block 40 carbon dioxide sequestration 40 Orinoco Belt 40 Toroa prospect 40 Newfield Exploration 40 Natural Gas Gathering 40 Rep. Jim Wansacz 40 Goldpines North 40 Luzerne 40 Breagh 40 Bellekeno deposit 40 Skrugard 40 basal sands 40 Basin Barnett Shale 40 DCNR 40 Mason Tract 40 Neuquen Basin 40 Azeri Chirag 40 Lower Shaunavon resource 40 NGAS 40 horizontal Bakken wells 40 clastic reservoirs 40 CNX Gas Corporation 40 undeveloped leasehold acres 40 wellbore 40 Lower Cretaceous 40 salt domes 40 Burkley Phillips No. 40 Rio Ariari 40 Noxen Township 40 Sartwelle # 40 Conestoga Landfill 40 Upper Mannville 40 IGas 40 Mnazi Bay 40 Energen Resources 40 Flatrock 40 Northeastern Pennsylvania 40 Penneco 40 EOR 40 Uintah Basin 40 Queensland Surat Basin 40 Nukhul 40 presalt 40 Woodford shales 40 Pecan Gap 40 Kiskatinaw 40 Sarcee 40 Brinx Resources 40 hydraulically fractured 40 Bakken Sanish 40 Burkley Phillips # 40 Paluxy 40 Montney horizontal 40 Tim Mersoi Basin 40 Carrizo Wilcox Aquifer 40 Athabasca tar sands 40 Cardium wells 40 frac wells 40 Rotliegendes 40 Mississippian 40 fracture stimulation 40 Upper Shaunavon 40 frac sand 40 Kovytka 40 Ebouri 40 sage grouse habitat 40 AC/P# 40 Wabiskaw 40 hydraulic fracing 40 Roszkow 40 drillable prospects 40 Marfa Basin 40 Karachaganak 40 Rotliegend sandstone 40 mineable coal 40 Tano Basin 40 Quebec Lowlands 40 Reconcavo 40 Kura Basin 40 McIlvenna Bay 40 Majorsville complex 40 Keg River 40 Roughrider uranium 40 corehole 40 Sinaloa Graben 40 Gamba sandstone 40 Callum Cowley 40 Arkoma Basin Woodford Shale 40 Likwartz 40 subsurface aquifers 40 flowback 40 leasehold 40 Raton Basin 40 Temblor Valley 40 NYSE RRC 40 Azeri Chirag Guneshli 40 shale extraction 40 Mangahewa 40 Chiguiro Este 40 Thaeler 40 Viola Limestone formation 40 extract bitumen 40 Mirzaani Field 40 Dzheitune Lam A/# 40 Petrosearch 40 GMX Resources 40 Haynesville Shale acreage 40 Amfire 40 Petroleum Reserve 40 Monterey Shale 40 Gwydyr Bay 40 Metates 40 Coal Seam Gas 40 EQT Production 40 Sanish 39 XTO Energy Inc. 39 Luzerne Lackawanna 39 Chesapeake CHK 39 West Virginia 39 subsalt reserves 39 net Cardium horizontal 39 unrisked gross 39 Hingeline 39 license PL# 39 waterfloods 39 Midstream Assets 39 AKK# 39 Basal Quartz 39 coalbeds 39 Lone Pine Creek 39 Coal seam 39 Freestone Trend 39 CDX Gas 39 Chayvo 39 Khvalynskoye 39 Niobrara acreage 39 Tioga Counties 39 underexplored 39 Usan field 39 Niobrara formations 39 Lunskoye 39 Rosebud Mining 39 Beiya North 39 horizontal Haynesville 39 Shouyang Block 39 methane hydrates 39 sulfide mining 39 salt cavern 39 Mon Fayette Expressway 39 Drake Woodrush 39 Pennaco 39 fracced 39 Questerre 39 Pumpkin Buttes 39 McMoRan 39 coal 39 Thor Trend 39 bed methane CBM 39 Caspian Sea basin 39 Guairuro 39 Montney horizontal wells 39 Palo Duro basin 39 Mirzaani 39 AmeriLithium 39 Canetic 39 Niobrara Formation 39 seafloor methane 39 surface mineable 39 Atrush Block 39 pyritic rock 39 Ante Creek 39 longwall mines 39 Anticline 39 Gulftex Operating Inc. 39 existing wellbores 39 Kyzyloi 39 Leduc reef 39 dolomitized 39 Kaskida discovery 39 Keathley Canyon 39 Surmont 39 Gyro sands 39 Piltun Astokhskoye 39 Chaza Block 39 LON RRL 39 longwall mine 39 Pardoo Project 39 Mmcf per 39 stratigraphic interval 39 Environmental Conservation 39 horizontal Cardium 39 Penészlek 39 Notikewin horizontal 39 Doddridge Counties 39 Marcellus drillers 39 NOARK 39 MMCFPD 39 venting methane 39 Anadarko Petroleum Corp. 39 evaporite basin 39 Morgan Highpoint 39 Szolnok formation 39 Soumber 39 Endrod 39 Quebec Lowlands Utica 39 ultradeepwater 39 Togoot license 39 Palmar Largo 39 Timor Sea 39 Landrose Saskatchewan 39 Todd Eachus D 39 aerially extensive 39 Akri Bijeel 39 saline aquifers 39 Fracture stimulation 39 Chukuni property 39 Consol Energy 39 situ uranium 39 Appalachian Basin Marcellus Shale 39 Coalbed 39 potentially open pittable 39 oiland gas 39 Bcf 39 Bougie Trutch 39 legalized slots parlors 39 Waskahigan 39 Luzerne County 39 DeepWave SM 39 Snowbird Tectonic Zone 39 Beaufort Sea 39 Caddo Levee 39 recoverable reserves 39 Borate Hills 39 Marcellus Shale Formation 39 Mannville formation 39 Santonian section 39 structural stratigraphic 39 added Stengell 39 Sentell Field 39 Keathley Canyon Block 39 Akepo 39 Yaxtche zone 39 vertical wellbore 39 Basin Bakken 39 Artesia Vacuum Trend 39 Hangingstone 39 Shell Chukchi 39 Highmark exerts 39 sidetrack appraisal 39 exploration 39 Exxon XTO 39 Newfield Exploration Mid Continent 39 Ninotsminda Field 39 reservoir sands 39 Makeevskoye 39 Mudlogging 39 Pungarayacu 39 Drilling 39 Mancos shale 39 South Timbalier Block 39 gasline 39 CHK.N 39 West Pequop 39 Petro Reef 39 Guneshli 39 Kuçova 39 Douala Basin 39 Corcel Block 39 Poland Permian Basin 39 Cimarex drilled 39 regulate hydraulic fracturing 39 Galisteo Basin 39 Guayuyaco Block 39 mineral 39 Cotten Land 39 Teshekpuk Lake 39 Russell Bevly 39 Cardium horizontal wells 39 thermally mature 39 offshore Gippsland Basin 39 uphole zones 39 Lodgepole 39 McCully Field 39 Bombore 38 Paleocene Forties 38 Tioga 38 OGX Maranhao 38 Taranaki Basin 38 Bokhtar PSC area 38 Tcf 38 Bijeel 1 38 Hilcorp Energy 38 driller 38 Lower Devonian 38 GeoMet 38 EnCana 38 Nockamixon 38 Edirne Licence 38 Duck Pond Mine 38 recompletions 38 ReoStar 38 Miocene sands 38 unconventionals 38 pinnacle reef 38 Qara Dagh 38 Acacia Este 38 graben structure 38 Ostracod 38 Azeri Chirag Gunashli 38 WaveForm 38 ultradeep waters 38 Bscf 38 Tecton Energy 38 lithium brine 38 Fuhrman Mascho lease 38 Costayaco Field 38 Nasdaq BEXP 38 deepwater discoveries 38 BOED 38 Triassic reservoir 38 hydraulic fracturing fluids 38 Banded Iron Formation 38 diamondiferous kimberlites 38 diatomite 38 Cretaceous interval 38 Wolfberry wells 38 Shivee West 38 NIOB interval n 38 hydrocarbon bearing 38 Atinum 38 Southern Tier 38 Ellenburger formation 38 Mtsare Khevi Field 38 directionally drilled 38 awaiting fracture stimulation 38 Shaft Zone 38 methane hydrate 38 Upper Carboniferous 38 subsurface geology 38 Randy Eresman 38 oil bearing sandstones 38 Hunton liquids 38 Hushamu 38 Mooncor 38 Giddings Field 38 contiguous accumulations 38 Canbriam 38 Vaca Tar 38 Marysvale District 38 Coal Seam 38 Haynesville shale formation 38 gas 38 Donlin Creek gold 38 vastly underexplored 38 relatively unexplored 38 Frio sand 38 drillbit