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Roosevelt County, MT oil and gas wells

1,340 wells: 288 active, 737 plugged, run by 306 operators.

Figures from the Montana Board of Oil and Gas Conservation, updated 2026-10-19.

Top operators in Roosevelt

OperatorActiveWells here
Oasis Petroleum North America LLC75102
Kraken Operating, LLC7186
Devon Energy Williston, L.L.C.2029
White Rock Oil & Gas, LLC1834
Phoenix Operating LLC1246
Continental Resources Inc812
R3 Operating Corporation812
Green Valley Operating, LLC89
Citation Oil & Gas Corp.719
Poplar Resources LLC6101
SpringLine Operating LLC620
Slawson Exploration Company Inc530
HK Eagle LLC59
Darrah Oil Company, LLC57
Ridge Oil & Gas, LLC57
Foundation Energy Management, LLC410
Hydra Services LLC35
Prima Exploration, Inc.33
Rough Rider Midstream Services LLC33
SOGC, Inc.211
Single Tree Disposal, Inc.24
Energy Equity Company22
Select Water Solutions, LLC22
Cardinal Oil, LLC112
Granite Creek Energy LLC12

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
EPU 27 25-085-05118Plugged OilBallard Petroleum Holdings LLC
EPU 29-D 25-085-60007Plugged InjectionMurphy Exploration and Production Co.
EPU 31 25-085-05081Plugged OilBallard Petroleum Holdings LLC
EPU 33 25-085-05126Plugged OilMurphy Exploration and Production Co.
EPU 34 25-085-05134Plugged OilMurphy Exploration and Production Co.
EPU 36 25-085-05071Plugged OilPoplar Resources LLC
EPU 37 25-085-05136Plugged OilMurphy Exploration and Production Co.
EPU 4 25-085-05394Plugged OilBallard Petroleum Holdings LLC
EPU 41 25-085-05063Plugged OilMurphy Exploration and Production Co.
EPU 49 25-085-05142Plugged OilMurphy Exploration and Production Co.
EPU 50 25-085-05131Plugged OilMurphy Exploration and Production Co.
EPU 62 25-085-05120Plugged OilMurphy Exploration and Production Co.
EPU 75 25-085-05125Plugged Dry holeMurphy Exploration and Production Co.
EPU 8-D 25-085-05033Plugged InjectionBallard Petroleum Holdings LLC
EPU 81 25-085-05096Plugged OilMurphy Exploration and Production Co.
EPU 85 25-085-05062Plugged OilMurphy Exploration and Production Co.
EPU 9 25-085-05030Plugged OilPoplar Resources LLC
EPU 91 25-085-07006Plugged OilBallard Petroleum Holdings LLC
EPU 96 25-085-05109Plugged OilBallard Petroleum Holdings LLC
EPU 98 25-085-05121Plugged OilBallard Petroleum Holdings LLC
EVA RAUCH 1 25-085-21016Plugged Dry holeSignal Drilling & Expl. Co. Inc.
Elizabeth Grimm 1 25-085-05305Plugged OilCalifornia Company, The
Evergreen-King 1-22 25-085-21443Plugged Dry holeEvergreen Resources, Inc.
FAST 1 25-085-60002Plugged OilWagner, M.R.
FAST 2 25-085-05223Plugged OilWagner, M.R.
FED ARROYO 11-7 25-085-21044Plugged Dry holeOil Resources Incorporated
FED UNIT 3-G 25-085-05016Plugged Dry holeMurphy, C.H.
FED. UNIT #26 25-085-05017Plugged Water supplyMurphy Exploration and Production Co.
FED. UNIT #63 25-085-05011Plugged OilMurphy Exploration and Production Co.
FEDERAL #61 25-085-05038Plugged Dry holeMurphy Exploration and Production Co.
FEDERAL 1 25-085-21007Plugged Dry holeCrystal Oil & Land
FEDERAL 1-27 25-085-21080Plugged Dry holeAmarco Resources
FEDERAL 1-6 25-085-05176Plugged Dry holeConoco Inc.
FEDERAL 1-6 25-085-21274Plugged Dry holeAnderson Petroleum, Inc.
FEDERAL 2-15 25-085-21385Plugged Dry holeEnserch Exploration, Inc.
FEDERAL 21-1 25-085-21312Plugged Dry holeFlare Energy Corp
FEDERAL 778 #1 25-085-21018Plugged Dry holeMiami Oil Producers, Inc.
FLB-STATE 1-18 25-085-21221Plugged Dry holePatrick Petroleum Corporation Of Michigan
FLB-Toavs 1-16 25-085-21321Plugged Dry holePetrana Exploration Llc
FORT PECK 1 25-085-05242Plugged Dry holeSunray Oil Company, Inc.
FORT PECK 1 25-085-21062Plugged OilPetrofunds Inc
FORT PECK 15-21 25-085-21432Plugged OilSchulein, Robert
FORT PECK 3-33 25-085-21220Plugged Dry holeAnschutz Corporation, The
FRY 1 25-085-05018Plugged Dry holeSchmidt, J.W.
FT. PECK 1-3 25-085-21175Plugged Dry holeBridger Petroleum
Fort Peck Tribal "B" 1 25-085-05381Plugged Dry holeTexaco Exploration and Production Inc.
Fort Peck-Tribal 1-434 25-085-05386Plugged Dry holeMule Creek Oil
G. GRAYSON 1 25-085-05111Plugged Dry holePlacid Oil Company
G. MORSE #1 25-085-05387Plugged Dry holeTenneco Oil Company
G. WALLETTE 1 25-085-05171Plugged Dry holeCalvert Drilling & Producing Co.
GARWOOD 1 25-085-21102Plugged Dry holeSRI
GESS 1 25-085-21358Plugged Dry holeNucorp Energy Inc
GIESE HEIRS 1 25-085-21197Plugged Dry holeSun Exploration And Production Co
GOBBS 1-16-4B 25-085-21236Plugged OilChevron U.S.A. Inc.(A Pennsylvania Corp.)
GOINGS 1 SWD 25-085-21371Plugged InjectionCitation Oilfield Supply & Leasing, Ltd.
GOINGS 10-16 25-085-21263Plugged Dry holeGrace Petroleum Corporation
GOINGS 27-1 25-085-21369Plugged OilFina Oil And Chemical Company
GOINGS GOVT. 1 25-085-05153Plugged DisposalMurphy Exploration and Production Co.
GREENE 1 (2-21) 25-085-21327Plugged Dry holeHarper Oil Company (Buckhorn Petroleum)
GREYBEAR PIPE 1 25-085-21141Plugged Dry holeSuperior Oil Company
GRINDLAND 1 25-085-21507Plugged Dry holeOryx Energy Company
George Nick 1 25-085-05003Plugged Dry holeSprecher Drilling
George Tininenko 1R 25-085-21332Plugged OilWilliston Industrial Supply Corporation
George Track 2 25-085-05375Plugged Dry holeBrinkerhoff Company, The
Gert Peterson 1 25-085-05312Plugged OilSkelly Oil
Gert Peterson 2 25-085-05313Plugged Dry holeSkelly Oil
Gertrude Ryan 1 25-085-05300Plugged Dry holeSprecher Drilling
Gladys Hayes 1 25-085-05311Plugged Dry holeMiami Oil Producers, Inc.
Govt.-Indian 33-36 25-085-05070Plugged Dry holeShell Oil Company
Granley 1-13R 25-085-21444Plugged OilSlawson Exploration Company Inc
Granley 23-22 25-085-21634Plugged OilNoble Energy, Inc.
Graybull 12-11 25-085-21412Plugged Dry holeCentury Oil & Gas Corporation
Gretel II 12 KA 3 25-085-21821Plugged OilSpringLine Operating LLC
H. CARLSON 1 25-085-05241Plugged Dry holeWagner, M.R.
H. IRON BEAR 1 25-085-05216Plugged Dry holeSOGC, Inc.
H. KORGSTAD 1 25-085-21192Plugged Dry holeConsolidated Oil & Gas, Inc.
H. Mason 1-A20 25-085-05119Plugged Dry holeUnion Oil Company Of California
H. ORTMANN 1-7 25-085-21136Plugged Dry holeEnserch Exploration, Inc.
H.ANDERSON 1-8 25-085-21306Plugged OilSouthland Royalty Company
H.W. Quitmeyer 1 25-085-05309Plugged Dry holeAmerada Hess Corporation
HAGEN 1 25-085-21159Plugged Dry holeHamon Operating Company
HALVORSON 1 25-085-21084Plugged Dry holeHelmerich & Payne Inc
HANAL NO. 1 25-085-05382Plugged Dry holeMurphy Exploration and Production Co.
HARMON 1 25-085-05000Plugged Dry holePhillips Petroleum Company
HARMON 1-21 25-085-21246Plugged Dry holeAl-Aquitaine Exploration
HARMON 1-23 25-085-21575Plugged Dry holeSlawson Exploration Company Inc
HARMON 1-24 25-085-21145Plugged Dry holeLuff Exploration Company
HARMON 1-32 25-085-21146Plugged Dry holeCanterra Petroleum Inc
HARMON 19-2 25-085-21301Plugged Dry holeNorfolk Energy Inc.
HARMON 2-17 25-085-21517Plugged Dry holeSlawson Exploration Company Inc
HARMON 24-14 25-085-21194Plugged Dry holeTiger Oil Company
HARMON FA> 2-18 25-085-21494Plugged Dry holeSlawson Exploration Company Inc
HARMON FARM 8-30 25-085-21233Plugged Dry holeExeter Exploration Company
HAUGE 11-2 25-085-21523Plugged Dry holeBurlington Resources Oil & Gas Company LP
HAWBAKER 1 25-085-21524Plugged OilMurphy Exploration and Production Co.
HAWBAKER 1 25-085-21566Plugged Dry holeOryx Energy Company
HAWBAKER 1-26 25-085-21362Plugged Dry holeAmarex, Inc.
HAWBAKER 27-1 25-085-21158Plugged Dry holeMallon Oil Company
HAWBAKER 9-27 25-085-21591Plugged Dry holePlacid Oil Company
HAZEL 5-1 25-085-21234Plugged Dry holeSlawson Exploration Company Inc

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