Related by context. All words. (Click for frequent words.) 67 Marcellus shales 64 Washakie Basin 63 Woodford shale 62 Paradox Basin 62 Cana Woodford 62 Appalachian basin 62 Devonian Shale 62 Yegua Cook Mountain 61 Devonian shale 61 Waterflood 61 Antrim Shale 61 Aneth Field 61 Chattanooga Shale 61 Haynesville Shale formation 60 Wabiskaw 60 Albany Shale 60 Piceance basin 60 Montney shale plays 60 Eagleford Shale 60 DeSoto Parish Louisiana 59 Huron Berea 59 Greater Buffalo Wallow 59 Upper Shaunavon 58 Haynesville Fayetteville 58 Marcellus Haynesville 58 Elm Coulee 58 Elm Grove Field 58 Powder River basin 58 unconventional reservoirs 57 Uinta Piceance 57 Outer Foothills 57 waterflooding 57 drilling horizontal wells 57 Permian basin 57 frac sand 57 Grizzly Bluff 57 Haynesville Shale acreage 57 Bossier shales 57 CNX Gas drilled 57 Michigan Antrim Shale 57 Caney Shale 56 Haynesville shale 56 Granite Wash formation 56 McCully Field 56 Anadarko Woodford Shale 56 Joarcam 56 NOJ# 56 Arkoma basin 56 Cook Inlet Basin 56 Arkansas Fayetteville Shale 56 Burkley Phillips # 56 Utica shale 56 hydrocarbon reservoirs 56 St Lawrence Lowlands 56 Fayetteville shales 56 Barnett Shale Fayetteville Shale 56 Pecan Gap 56 Musreau 56 Marcellus acreage 56 Anadarko Basin 55 Mancos Shale 55 horizontal Cardium wells 55 Arkoma Woodford 55 Altamont Bluebell 55 MarkWest Liberty 55 Haynesville Bossier Shale 55 Wilrich 55 Denver Julesburg DJ 55 Mowry Shale 55 Haynesville acreage 55 Haynesville shales 55 Haynesville wells 55 Roncott 55 Glauconitic 55 Upper Devonian 55 Fences concession 55 Bossier shale 55 Utica shales 55 Yegua formation 55 Diatomite 55 Val Verde Basin 55 Haynesville Bossier 55 horizontal Haynesville 55 shale basins 54 Williston Basin Bakken 54 Notikewin 54 Mississippian formation 54 Panhandle Granite Wash 54 Majorsville 54 Dolomite formation 54 Arkoma Basin 54 Woodford Shale Play 54 Utica Shale formation 54 Chinchaga 54 added Stengell 54 recompleting 54 Eagleford 54 Marcellus Shale acreage 54 Bakken horizontal 54 Arkoma basins 54 Anadarko Woodford 54 Niobrara formation 54 Gordondale 54 Revloc Project 54 Wolfcamp 54 Granite Wash wells 54 Cardium formation 54 horizontal CBM 54 Appalachian Basin 54 Bayou Postillion 54 deepwater GOM 54 Mudlogging 54 multi frac 54 Ladyfern 54 Whiting Refinery 54 Deep Bossier 54 drillable locations 54 Haynesville Marcellus 54 Cinco Terry 54 waterfloods 54 Ante Creek 54 Natural Buttes 54 Quinn 3H 54 Slave Point 54 Kiskatinaw 54 horizontal Marcellus 53 Ozona Northeast 53 Permian Basins 53 Barnett Shale formation 53 Bakken acreage 53 Woodford Shale 53 Mexico Wolfcamp 53 horizontal Granite Wash 53 NGL fractionators 53 wellbores 53 Permian basins 53 Copperwood Project 53 Mannville CBM 53 Utica shale formations 53 Colorado Piceance Basin 53 Non unitized Lower 53 Woodford Shales 53 Montney Doig 53 Uinta basin 53 liquid NGL 53 Wolfberry Trend 53 Electra Burkburnett 53 Upper Mannville 53 Permian Basin Mid Continent 53 Coalbed methane 53 Denver Julesburg basin 53 Nikanassin 53 Spraberry field 53 existing wellbores 53 horizontal Mississippian 53 Atoka formations 53 horizontal Bakken wells 53 Monument Butte 53 Niobrara formations 53 Buckskin Mesa 53 encountering hydrocarbons 53 Buffalo Wallow 53 Bossier Sands 53 Fayetteville Shale formation 53 coalbed methane CBM 53 horizontal Haynesville shale 53 Denver Julesburg Basin 53 commented Dinges 53 Haynesville Bossier shale 52 Montney formation 52 Keg River 52 onshore blowouts 52 Basin Barnett Shale 52 multistage frac 52 Musselshell Property 52 salt cavern storage 52 Waskahigan 52 coalbed natural 52 CDX Gas 52 CO2 EOR 52 coalbed methane wells 52 Sanish field 52 Avalon Shale 52 Wildmere 52 Cordova Embayment 52 Colony Granite Wash 52 Pearsall Shale 52 Palo Duro basin 52 Williston basin 52 CBNG 52 unconventional shale 52 waterflood 52 Temiscouata Property 52 Barrhead Alberta 52 liquids NGL pipeline 52 Granite Wash formations 52 Directional drilling 52 Hawkville Field 52 Leroy Halterman President 52 Wolfcamp shale 52 Fayetteville shale 52 Macasty shale 52 Jonah Pinedale 52 Haynesville Shale leasehold 52 Monterey Shale 52 situ bitumen 52 fracture stimulations 52 Cana Woodford Shale 52 GOM deepwater 52 Gething formation 52 Basal Quartz 52 overthrust belt 52 Hosston Cotton Valley 52 prolific Barnett Shale 52 Cutbank 52 Umusadege field 52 refrac 52 downspacing 52 Eel River Basin 52 Hangingstone 52 NOS# 52 Marcellus Shales 51 Horizontal drilling 51 Shelby Trough 51 Marcellus wells 51 Denver Julesburg 51 Plawce 51 Western Sedimentary Basin 51 Devonian reef 51 fracced 51 Montney resource 51 Fracing 51 horizontal Woodford shale 51 deep saline aquifers 51 nahcolite 51 Haynesville shale wells 51 Claiborne Parishes 51 Fayetteville Shale Play 51 uncompleted wells 51 Commences Drilling Operations 51 horizontal Niobrara 51 Rodessa formation 51 Ammazzo 51 Cannery Loop 51 #-#-#-# W5M [003] 51 Bluesky formation 51 Shootaring Canyon Mill 51 Moxa Arch 51 leasehold acreage 51 horizontal Haynesville wells 51 Wolffork 51 Baxter Shale 51 Glauconite 51 Shale formations 51 Montney horizontal 51 Overthrust 51 Delineation drilling 51 Fracture stimulation 51 horizontal wells drilled 51 Frio sands 51 LAK Ranch 51 Sierras Blancas 51 CBM wells 51 Haynesville Shale wells 51 Selma Chalk 51 Kansas Uplift 51 Niobrara shale formation 51 liquid NGL fractionation 51 EOR techniques 51 Montney shale gas 51 deep saline aquifer 51 Mississippian Bakken Formation 51 Callum Cowley 51 Woodford shales 51 situ extraction 51 Nemaha Ridge 51 Comstock Lode District 51 anticipates spudding 51 NGL extraction 51 Fountain Quail 51 Costayaco field 51 horizontal Selma Chalk 51 Lochend Cardium 51 Rocky Mountain Basins 51 undeveloped acreage 51 Viola Limestone 51 Utica Shale 51 workovers recompletions 51 Pembina Cardium 51 uphole zones 51 Mesaverde Formation 50 Cook Inlet basin 50 Wapiti Montney 50 Lower Bossier Haynesville 50 hydraulically fracture 50 El Chanate mine 50 Lone Pine Creek 50 Lower Mannville 50 La Pinta 1X 50 #-#-#-# W5M [002] 50 Mesaverde formation 50 undrilled prospects 50 Non unitized 50 Marten Mountain 50 Kakut 50 steamflood 50 El Wastani 50 prolific Permian Basin 50 Notikewin formation 50 Meritage Midstream 50 coalbed gas 50 acidized 50 Piceance Basins 50 CAToil 50 subsurface aquifers 50 Recompletion 50 DeepWave SM 50 Capline crude 50 awaiting fracture stimulation 50 Powder River Basin PRB 50 corehole 50 Kotaneelee L 50 Morichito Block 50 Barnett shale 50 Lodgepole Reef 50 Teepee Creek 50 proved undeveloped PUD 50 Cahaba Basin 50 Flooding Forces Evacuations 50 interconnecting pipelines 50 frac flowback 50 West Tavaputs 50 Ricinus 50 Notikewin horizontal 50 Ansell Sundance 50 uphole 50 undrilled locations 50 Cheleken contract 50 Cimarex drilled 50 Acreage Position 50 Los Flamencos 50 Ellenburger 50 Bakken Sanish 50 Ninotsminda Field 50 Groundwater contamination 50 Iberia Parishes 50 Redoubt Shoal 50 Compressco 50 Marcellus shale formation 50 Contaminated groundwater 50 Nikaitchuq 50 Shale Formation 50 Uinta Basin 50 EQT Production 50 Chaveroo 50 Carlin Trend Nevada 50 Paradox Basin Project 50 Cadomin 50 horizontal coalbed methane 50 recovery EOR 50 Bakken shales 50 hydraulic fracture stimulation 50 Wolfcamp Shale 50 Oxy Permian 50 Pekisko formation 50 Huron Shale 50 Gustavson Associates 50 Sabine Uplift 50 Petrol Neodesha 49 Muskwa shale 49 operated horizontal wells 49 Elmworth 49 Guatiquia 49 coalbed 49 Embayment 49 Denver Julesberg Basin 49 Bayou Choctaw 49 Gubik 49 Cardium horizontal 49 EOR 49 Deep Basin 49 MidContinent 49 Majorsville complex 49 Pelahatchie Field 49 frac stimulation 49 Uinta Basins 49 Dodsland Viking 49 Wattenberg Field 49 Fuhrman Mascho 49 Mexico GOM shelf 49 Loma Montosa 49 Schefferville Gold 49 Kebabangan 49 Midale 49 Mtsare Khevi Field 49 carbonate formations 49 Mantario 49 Waskada 49 Na Kika 49 FormCap 49 Rocky Mountain Mid Continent 49 NGL fractionator 49 Maxhamish 49 Gastar Exploration Announces 49 Pearsall shale 49 Puskwa 49 Puesto Morales Norte 49 Three Forks Formations 49 Marcellus shale wells 49 Tib Lake 49 GOM shelf 49 MMCFPD 49 Wasatch Plateau 49 Nisku wells 49 Powder River basins 49 Middle Bakken formation 49 fraced 49 Fuhrman Mascho properties 49 Gibson Gulch 49 Anadarko Arkoma 49 Eumont 49 structural stratigraphic 49 Taribani Field Unit 49 wellfields 49 Simpson Dolomite 49 Barnett Shale Formation 49 Sweetie Peck 49 Coalbed Methane CBM 49 GP Cellulose 49 Sugarkane 49 bitumen extraction 49 Buganviles Block 49 Compressor Station 49 hydraulic fracture 49 Lower Tertiary trend 49 HTL upgrading 49 Bayou Couba 49 stratigraphic traps 49 carbonate reservoir 49 Drunkard Wash 49 Wolfberry 49 drillsites 49 Block #/#f 49 Caddo Pine 49 Petrogen 49 horizontal Haynesville Shale 49 Giddings Field 49 Gas Shales 49 acid frac 49 Central Graben 49 QEP Energy 49 Browse Basin offshore 49 Petrohawk drilled 49 Gwydyr Bay 49 refinery throughputs 49 saltwater disposal 49 Arkoma Basin Woodford Shale 49 Murta Member 49 Mmcfd 49 Transcontinental Pipeline 49 AltaCanada 49 Slawson Exploration 49 Nextraction Energy 49 complementary agronomy 48 Jeffersonville Clarksville 48 butane blending 48 Niobrara shale 48 Osyka Corporation 48 recompletion 48 Palmar Largo 48 East Zhagabulak 48 Coal Gasification Plant 48 West Cedartree Gold 48 QGC coal seam 48 Montney Shale 48 IP 5b 48 Thrace Basin 48 Bakken shale 48 Channing Flats 48 ArkLaTex region 48 successfully fracture stimulated 48 Hingeline 48 Prue Sand 48 geologic basins 48 Duvernay shale 48 Yeso 48 Obangue 48 brownfields redevelopment 48 Mirzaani # 48 Montney horizontal wells 48 Williston Basin 48 Redwater Alberta 48 Geesbrug 48 Cardium wells 48 minesites 48 Al Jariya 48 Appalachian Basin Marcellus Shale 48 Bellekeno deposit 48 Escaped inmate captured 48 Utah Hingeline 48 Bakken wells 48 Allenergy 48 Palo Duro Basin 48 AWP Olmos 48 EVx 48 Montney shale 48 Ellenburger formation 48 Mangahewa 48 Arcan anticipates 48 Piceance Uinta 48 Sawn Lake 48 microseismic 48 Will Fiacchi 48 Hiswah 48 HPM Forgues 48 nonoperated 48 Raser Thermo 48 Apclark 48 Horizontal wells 48 Eastmain Mine 48 Hunton Limestone 48 shallower Cretaceous 48 horizontal wellbores 48 Lower Bossier Shale 48 Haynesville Bossier horizontal 48 Rotliegend 48 Kuçova 48 horizontal Wolfcamp 48 Mcfd 48 Hawkville 48 Ostracod 48 Calliope Gas 48 prolific Athabasca Basin 48 horizontal Barnett Shale 48 Taribani Field 48 Bigoray 48 Doig Montney 48 Proved undeveloped reserves 48 geological geophysical geochemical 48 Paradox Basin # 48 ARID tool 48 Ordos Basin 48 Macusani Uranium District 48 salt cavern 48 Dodsland Saskatchewan 48 Nomac Drilling 48 Raton Basin 48 Changbei 48 Belridge 48 ASAlliances Biofuels 48 Mesaverde 48 Visure 1X 48 subsurface geology 48 Williston Basins 48 Horizontal Drilling 48 Gas Condensate 48 South Timbalier 48 Utica Shales 48 La Tex 48 unmineable coal seams 48 Pasquia Hills oil 48 Sentell Field 48 liquid condensates 48 Pinon Field 48 Haynesville Bossier H 48 Steckman Ridge 48 liquids fractionation 48 bearing sandstones 48 flagship Langmuir Project 48 Kalegran 48 Gauley Eagle 48 MMcfed 48 recompleted 48 Putumayo Basin 48 Niobrara Shale 48 hydrocarbon accumulations 48 Nitrogen N2 48 contiguous acreage 48 ECO Pad 48 cored interval 48 Strawn Limestone 48 #bcf [001] 48 Dodsland 48 delineation wells 48 DiamondFlo TM 48 Wolfcamp formations 48 Geologic mapping 48 Cooper Eromanga Basin 48 Kirkella 48 Cannu zone 48 petrophysics 48 Fairydell Bon Accord 48 Patchawarra Formation 48 Stanolind 48 Welder Ranch 48 Snow dusts 48 Reichmann Petroleum 48 Zhana Makat Field 48 leak sickens 48 synfuels plant 48 carbonaceous shale 48 Equitrans 48 ethane extraction 48 Bellechasse Chaudiere 48 Barail 48 Goldpines North 48 Bossier Shale 48 vertical wellbore 47 Brillante SE 1X 47 hydraulically fracturing 47 Sinaloa Graben 47 Uzboy 47 Freestone Trend 47 propylene fractionation 47 saline formations 47 Droshky development 47 Goliad ISR 47 downhole pump 47 Jolly Ranch 47 Marmaton 47 Bijeel 1 47 Mmcfe per 47 Yegua 47 Newfield Exploration Mid Continent 47 Brigham Rough Rider 47 Abraxas AMEX ABP 47 Funnel clouds spotted 47 unitizing 47 Pegasi Energy 47 MoBay Storage Hub 47 Clearfork 47 Hiram Brook 47 block #/#b 47 geologic geophysical 47 #/#a-# [001] 47 offshore Usan 47 diatomite 47 Cordero Rojo mines 47 H2Omaxx 47 Lower Tertiary 47 Fyne Field 47 recomplete 47 net Cardium horizontal 47 Breccia Ridge 47 resource delineation 47 geological sequestration 47 Gething Formation 47 Piceance Basin 47 Tejamen silver 47 deepwater subsalt 47 Marcellus 47 acidizing 47 Costayaco Field 47 Groundbirch 47 drillsite 47 Assam Arakan basin 47 Kotaneelee 47 Mouth Basin 47 Wamsutter Arch Pipeline 47 hydro fracturing 47 ET 5H 47 Bethany Longstreet Field 47 Piceance 47 Cretaceous sands 47 SACROC Unit 47 Fayetteville Shale acreage 47 Fort McMurray Grande Prairie 47 Arpatepe 47 Utah Uinta Basin 47 Beardmore Geraldton 47 undiscovered hydrocarbon 47 Eklund Drilling 47 Le Flore 47 Caspiana 47 terminaling 47 subsea tieback 47 Yaxtche zone 47 PetroChina Daqing 47 Mannville formation 47 Kaybob Montney 47 Hunton Lime 47 wells 47 downhole motors 47 Pondera Teton 47 naphthenic 47 Lower Shaunavon resource 47 East Rinnes 47 Bakken horizontal wells 47 Carrizo Wilcox Aquifer 47 Mcfpd 47 Mcf d 47 Mancos shale 47 Jurassic formations 47 workovers 47 EP Boron 47 COL BKB Purdue 47 Oil Recovery EOR 47 horizontal wells 47 Bakken Shale formation 47 Arctic Coastal Plain 47 Sekayu block 47 Tornado Warnings Issued 47 producing Trutch 47 drillable targets 47 #/#b-# [001] 47 Pumpernickel Valley 47 Beaverhill Lake 47 matrix porosity 47 Dzheitune Lam B/# 47 EURs 47 Waipawa Black 47 Issaran 47 Montney fairway 47 Piceance Basin Colorado 47 Enbridge Lakehead 47 geophysical geological 47 Mmcf d 47 midcontinent 47 Lower Shaunavon 47 frac 47 GTL Barge 47 prolific Carlin Trend 47 Tableland Saskatchewan 47 frac horizontal 47 Glen Rose Porosity 47 Jackpine Mine 47 frac fluid 47 naturally occurring radium 47 Quifa block 47 Ofin river 47 Burrwood 47 West Cedartree gold 47 Tintaburra Block 47 Archer Wildlands # 47 Wilrich horizontal 47 Rogney 47 Lower Montney 47 DGGS 47 Sanish 47 Bougie Trutch 47 horizontal drilling 47 Cherokee Basin 47 Lithium brine 47 NAEY 47 Tasour 47 bottomhole 47 Granite Wash 47 Tasour field 47 Pembina Brazeau 47 Biloxi Marshlands 47 Rio Leche 47 Oklahoma Cana Woodford 47 Patoka Illinois 47 Pembina Cardium horizontal 47 fracs 47 Frio Sand 47 bedrock aquifers 47 Rancher Energy 47 Julius Langlinais professor emeritus 47 Cheal B3 47 JM Huber Corp. 47 Petrogen Corp. 47 Upper Montney 46 Mountaineer Gas Transmission 46 Gasfield 46 Rotliegendes 46 Bakken Shale 46 Boxey Point 46 horizontal Montney 46 Coal Bed Methane 46 Blendstar 46 gravity drainage SAGD 46 petrophysical analysis 46 Golouma 46 drilling coring 46 BOED 46 horizontal Cardium 46 Vortex Zone 46 subsea tiebacks 46 Viewfield Bakken 46 Marmaton River 46 drilling recompletions 46 Nukhul 46 Chisna 46 LKC interval n 46 Amtrak train derails 46 drillable prospects 46 Wolfberry trend 46 undeveloped leasehold 46 downhole drilling 46 geosteering 46 ATP Telemark Hub 46 Ozark Gas Transmission 46 #,# ft. perf 46 Godah # 46 Miocene sands 46 fracture stimulated 46 Proven Undeveloped 46 Holly Navajo Refinery 46 Provides Operational Update 46 Greenwood Waskom 46 Mnazi Bay 46 Bbls d 46 Kennetcook # 46 THAI TM 46 Mirzaani 46 Donkin coal 46 Barnett Shale wells 46 unrisked reserve 46 linefill 46 turbo expander 46 Centrahoma 46 TexStar 46 Frio Sands 46 Pekisko 46 Putumayo basin 46 Basin Gulch 46 Allamakee Clayton 46 Greater Angostura 46 Steubenville Weirton 46 Puesto Morales 46 Regina Moose Jaw 46 shallower formations 46 Pink Sheets QOIL 46 Provident Upstream 46 Tanker spills 46 Snowstorm blankets 46 Dzheitune Lam A/# 46 sands silts 46 PetroEdge 46 McClusky Canal 46 Roca Honda 46 Cardium Viking 46 sandstone reservoirs 46 Gas Leases 46 Wolfberry wells 46 successfully recompleted 46 Drilling Fluids 46 Milnesand 46 volcanogenic massive sulfide 46 Kyzyloi Field 46 Teledrift 46 Mongora 46 Basin Bakken 46 contaminated Yokley 46 Durimu oilfield 46 frac'd 46 Mandan refinery 46 Tsiengui 46 Despinassy 46 Lac Pau 46 Yoquivo 46 Penészlek 46 Drake Woodrush 46 Identifies Significant 46 Recoverable reserves 46 Wolfberry Project 46 Qinshui Basin 46 infill wells 46 Exco Resources Inc. 46 Karakuduk 46 Viosca Knoll 46 Geophysical surveys 46 Verkhnechonskoye 46 SAGD pilot 46 sidetrack appraisal 46 Perryville Hub 46 Hilcorp 46 fraccing 46 Flemish Pass 46 bbl MMcf 46 operated Rancho Hermoso 46 Corporation OTCBB ASPN 46 Rodessa Field 46 situ oilsands 46 horizontal Woodford Shale 46 unconventional hydrocarbon 46 coalbed methane 46 Elm Coulee Field 46 Capline 46 Triassic Halfway 46 Weald Basin 46 alluvial aquifer 46 Mamm Creek 46 Basin Appalachian Basin 46 Avouma 46 Barnett Shale 46 AECO Hub 46 Rocky Mountains onshore 46 HTL heavy 46 LEE BLOOMQUIST covers 46 Cardium horizontal wells 46 Guayuyaco Block 46 Mid Continent Permian Basin 46 West Bukha 46 Spraberry Trend 46 Lake Verret 46 transportation fractionation 46 acidization 46 microseismic monitoring 46 Otish Uranium 46 situ leach 46 SXLP 46 Sivulliq prospect 46 Phiops 46 Petrophysics 46 Beaverhill Lake formation 46 Fold Belt 46 Cusiana 46 Sawn Lake heavy 46 Sunbeam Pettigrew 46 Steve Stengell Allied 46 Siekierki 46 Montney wells 46 North Irael 46 Mooncor 46 GOM Shelf 46 uphole Cretaceous 46 Marcellus shale acreage 46 permeability reservoir 46 Nomac 46 bitumen upgraders 46 horizontal Bakken 46 South Tchibala 46 Flooding Threatens 46 Texas Overthrust 46 mcfpd 46 flowback 46 Gulftex Operating Inc. 46 Barnett Shale acreage 46 Situche 46 Veta Sur vein 46 dolomitized 46 Tornado Confirmed 46 mmcf d 46 Hatter Graben 46 Medanito Sur block 46 Nesson Anticline 45 Apclark Field 45 horizontal Marcellus Shale 45 Mouchalagane 45 Catahoula Lake 45 SemGas 45 Szolnok formation 45 Fuhrman Mascho Field 45 Bakken formation 45 Niobrara Formation 45 gold copper porphyry 45 Valley Type MVT 45 downthrown side 45 Berwyndale South 45 Ca Rong Do 45 Tarim basin 45 1 Lutters Well 45 Juanambu 45 resin coated proppants 45 ANR Pipeline 45 Kuparuk River 45 booming Bakken Shale 45 Riou Lake 45 TVOG 45 Shebandowan Greenstone Belt 45 Roszkow 45 Indigo Minerals 45 chloralkali 45 Terry Engelder 45 Steam Assisted Gravity Drainage 45 Makwa Project 45 sidewall cores 45 Nasdaq QRCP 45 Scotford Upgrader 45 cubic feet MMcf 45 Rotliegend sandstone 45 Wildfire Copper Keel 45 Liuhua #-# 45 AKK# 45 Matthys McMillan 45 Amvest 45 Zheng Guang gold 45 liquids extraction 45 Sanish Field 45 Cana Shale 45 Upper Mirador 45 AMEX FTK 45 North Urtabulak 45 deepwater GoM 45 Yenac 45 GeoBio 45 wellfield 45 fracing 45 Mid Continent Rocky Mountain 45 Corridor submarket 45 Laminaria Corallina 45 Groundhog Coal 45 Skyharbour Resources 45 hydraulically fractured 45 Texas Overthrust Cotton 45 Sidi Salim 45 fracture stimulation