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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
32-28-56-12 25-085-21021Plugged OilColumbus Energy Corp.
92 TRIBAL 25-085-05108Plugged OilMurphy Exploration and Production Co.
9218 JV-P FORT PECK 1 25-085-21622Plugged Dry holeBTA Oil Producers, LLC
A. EGGUM 1 25-085-05287Plugged Dry holeCox, H. Mack Etal
A. HEGTVEDT 1 25-085-05209Plugged Dry holePlacid Oil Company
A. LEWIS 1 25-085-21056Plugged Dry holeConsolidated Oil & Gas, Inc.
A. Werner 1A 25-085-05004Plugged Dry holeNorthern Natural Gas Producing Co.
A.A. Werner 1 25-085-05128Plugged Dry holeDeep Rock
A.C. Briske 44-35 25-085-21144Plugged Dry holeTiger Oil Company
A.F. TOAVS 1 25-085-05276Plugged Dry holeCalvert Drilling & Producing Co.
A.HEIRS #1 25-085-21037Plugged Dry holeSignal Drilling & Expl. Co. Inc.
A.J. MANNING 1 25-085-05294Plugged Dry holeTenneco Oil Company
A.M. STAI 1 25-085-05264Plugged Dry holeBritish American
ALLOTTED HALL 1 25-085-21344Plugged DisposalReading & Bates Petroleum Co.
ALLOTTEE 21-14 25-085-05234Plugged Dry holeCranston, Earl M.
ALMA HERTING 1 25-085-05215Plugged Dry holeTenneco Oil Company
ALMA HERTING 1 25-085-05226Plugged Dry holeE. L. K. Oil Company
ANDERSON #1 25-085-21488Plugged DisposalPintail Petroleum, Inc.
ANDERSON 8-9 25-085-21529Plugged Dry holeBHP Petroleum (Americas) Inc.
ARNIE SOLHEIM 1 25-085-21051Plugged Dry holeSamedan Oil Corporation
ASSINI TRIBE B1 25-085-21543Plugged Dry holeTexaco Exploration and Production Inc.
ASSINIBOINE 1-10G 25-085-21610Plugged GasEnergx, Ltd.
AULT 1 25-085-05008Plugged Dry holeExxon Corporation
Alexander 1 25-085-21059Plugged Dry holeConoco Inc.
Allen 2-1 25-085-21578Plugged Dry holeHunt Petroleum (AEC), Inc.
Allotted 3047 1 25-085-21201Plugged OilJuniper Petroleum Corp.
Alpar State A 1-28 25-085-21105Plugged OilWyoming Resources Corporation
Anderson 1 25-085-21098Plugged Dry holeSRI
Anderson 1-7 25-085-21130Plugged Dry holeBelco Development Corporation
Australia II 12 KA 6 25-085-21814Plugged OilSpringLine Operating LLC
B. CAMRUD 1 25-085-05268Plugged Dry holeTesoro Petroleum Corporation
B. GRUNOW 1-31 25-085-21041Plugged Dry holeReunion Energy Company
B. ROGNEY B-1 25-085-21155Plugged Dry holeAnadarko Petroleum Corporation
B. WATTERS 1 25-085-21156Plugged Dry holeAnschutz Corporation, The
BACH 1 25-085-05283Plugged Dry holeMurphy Exploration and Production Co.
BACH 1 25-085-21054Plugged Dry holeHigh Crest Oils, Inc.
BACH 1 25-085-21505Plugged Dry holePintail Petroleum, Inc.
BACH 2-32 25-085-21089Plugged Dry holeBridger Canyon Oil Co.
BAINVILLE 27-13 25-085-21039Plugged OilGary, Samuel,Jr.& Associates, Inc.
BAINVILLE B-2 25-085-21516Plugged OilGary, Samuel,Jr.& Associates, Inc.
BAKER COULTER 1 25-085-21121Plugged OilGrace Petroleum Corporation
BARACKER 1 25-085-05229Plugged Dry holePhillips Petroleum Company
BARDELL 1-33 25-085-21541Plugged Dry holeSun Exploration And Production Co
BARKER 1 25-085-05243Plugged Dry holeHumble Oil & Refining Co.
BEALE 1-22 25-085-21484Plugged Dry holeHunt Oil Company
BEASLEY 5 25-085-05140Plugged OilEmpire State Oil Co.
BEN HOLTE 1 25-085-05238Plugged Dry holeExploration Drilling
BERCIER 1-9 25-085-21077Plugged Dry holeUniversal Resources Corporation
BERNER 1 25-085-21180Plugged Dry holeAnadarko Petroleum Corporation
BERNER 2-9 25-085-21043Plugged Dry holeOil Resources Incorporated
BERRY 27-21X 25-085-21512Plugged Dry holeBWAB Incorporated
BERWICK 1-3 25-085-21210Plugged Dry holeAl-Aquitaine Exploration
BIA FED. 31-41 25-085-21539Plugged Dry holeBass Enterprises Production Co.
BIG MUDDY 1 25-085-21572Plugged Dry holeHunt Petroleum (AEC), Inc.
BIG SKY 1R 25-085-21549Plugged Dry holeOlympic Exploration & Production Co
BJORGEN 1 25-085-05202Plugged Dry holeMurphy Exploration and Production Co.
BLACKTAIL 1 25-085-21387Plugged Dry holePetroleum, Inc.
BLUE HORSE 1 25-085-05258Plugged Dry holeSignal Drilling & Expl. Co. Inc.
BOX ELDER 1 25-085-21410Plugged Dry holeCox, John L.
BOX ELDER 11-25 25-085-21559Plugged Dry holeEquitable Resources Energy Co, Western Region
BRIDGES 1-D 25-085-21014Plugged DisposalMurphy Exploration and Production Co.
BROOKMAN 1 25-085-21490Plugged Dry holeT Bar S Oil, Inc.
BROOKMAN 1-16 25-085-21579Plugged Dry holeConsolidated Oil & Gas, Inc.
BROOKMAN A-1 25-085-05388Plugged Dry holeMurphy Exploration and Production Co.
BROOKMAN B-1 25-085-21004Plugged Dry holeMurphy Exploration and Production Co.
BROUGH 1 25-085-05146Plugged OilWagner, M.R.
BROWN 5-14 25-085-21527Plugged Dry holeBHP Petroleum (Americas) Inc.
BROWN EST. 1-1 25-085-21492Plugged Dry holeEP Operating Company
BUCK ELK 1 25-085-05168Plugged OilMurphy Exploration and Production Co.
BUCK ELK 1 25-085-08019Plugged DisposalPolumbus, E.A.,Jr.
BUCK ELK 2 25-085-05169Plugged DisposalMurphy Exploration and Production Co.
BUCK ELK 3 25-085-05175Plugged OilRichfield Oil
BUCK ELK 31-23 25-085-05205Plugged Dry holeShell Oil Company
BUCKLES A-1 25-085-21267Plugged OilTXO Production Corp
Baker Federal 9-9 25-085-21624Plugged OilWhite Rock Oil & Gas, LLC
Barry Rogney A-1 25-085-21092Plugged OilWyoming Resources Corporation
Bauer 1-20 25-085-21593Plugged Dry holeContinental Resources Inc
Bend Tribal 26 1 25-085-21436Plugged Dry holeProsper Energy Corporation
Benson-Droke 15-14 25-085-21425Plugged OilCentury Oil & Gas Corporation
Bercier 10-9 25-085-21673Plugged Dry holeNance Petroleum Corporation
Berry 1-10 25-085-21568Plugged OilAbraxas Petroleum Corporation
Berry 34-23X 25-085-21206Plugged OilSlawson Exploration Company Inc
Bertelson 7-26 25-085-21475Plugged Dry holeApache Corp
Berwick 14B-2-1H 25-085-21695Plugged OilWhiting Oil and Gas Corporation
Biere 1-22 25-085-21047Plugged OilMesa Operating Limited Partnership
Biere 1-22A 25-085-21658Plugged ServicePioneer Natural Resources USA, Inc.
Biere 1-22B 25-085-21659Plugged ServicePioneer Natural Resources USA, Inc.
Biere 1-22C 25-085-21660Plugged ServicePioneer Natural Resources USA, Inc.
Biere 1-22D 25-085-21661Plugged ServicePioneer Natural Resources USA, Inc.
Biere 1-W SWD 25-085-21049Plugged DisposalMesa Operating Limited Partnership
Big Muddy 1 25-085-21775Plugged Dry holeWyoming Resources Corporation
Big Muddy 13-44H 25-085-21734Plugged OilFH Petroleum Corp.
Big Sky 1 HD 25-085-21567Plugged Dry holeOryx Energy Company
Bigtrack Little 1 25-085-21072Plugged OilPetroleum, Inc.
Bigtract Little 1 25-085-21078Plugged DisposalPetroleum, Inc.
Bob Mattingly 1-9 25-085-21309Plugged OilOryx Energy Company
Bridges 1 25-085-05231Plugged OilMerit Energy Company
Briske 4-9H 25-085-21709Plugged OilProduced Water Solutions, Inc.
Brown Hunt 21-5 25-085-21469Plugged OilTerrol Energy Incorporated
Buck Elk #1 25-085-21986Plugged Dry holeSt. Croix Operating, Inc.

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