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Petroleum County, MT oil and gas wells

706 wells: 40 active, 574 plugged, run by 233 operators.

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

Top operators in Petroleum

OperatorActiveWells here
Cat Creek Holdings LLC3656
Columbia Petroleum, Ltd.29
R & A Oil, Inc.111
Ranch Oil Company, Inc.14
Cenex, Inc.078
Continental Oil Company033
Conoco Inc.025
Mid-Northern Oil Co.021
Frantz Corporation015
Taylor, Ike015
Carnell, Millicent C.012
Central Montana Resources, LLC012
Minnesota Flatwillow Petroleum Corp.012
California Company, The011
True Oil LLC011
RME Petroleum Company08
Cat Creek Oil07
Flank Oil07
Mountain States Petroleum Corp.07
Shaffer07
Midwest06
Pacific Petroleum06
Schwartz, H.H. Jr06
Cardinal Petroleum05
Peerless Oil Company05

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
CLAUSON 1-A 25-069-05024Plugged Dry holeMcAlester Fuel Co
CLAUSON 2 25-069-05027Plugged Dry holeTaylor, Ike
CLAUSON 9-33 25-069-21100Plugged Dry holeExeter Exploration Company
CLAYTON 7 #3 25-069-60010Plugged OilFrantz Corporation
CLAYTON 7 #4 25-069-60011Plugged OilFrantz Corporation
CLAYTON 7 #5 25-069-60012Plugged OilFrantz Corporation
CLAYTON 7 #8 25-069-60015Plugged OilFrantz Corporation
COBRA FED 1 25-069-21132Plugged Dry holeRME Petroleum Company
COLLIER 14-26 25-069-21067Plugged Dry holeTrue Oil LLC
COLUMBIA 1 25-069-21023Plugged Dry holeColumbia Petroleum, Ltd.
COLUMBIA PET<>1 25-069-05365Plugged Dry holeLandheim Development Co. Ltd.
CONTINENTAL #4 25-069-60004Plugged OilMid-Northern Oil Co.
CONTINENTAL 2-A 25-069-20151Plugged OilMid-Northern Oil Co.
CONTINENTAL 3 25-069-60003Plugged OilMid-Northern Oil Co.
CONTINENTAL 3 25-069-60152Plugged OilMid-Northern Oil Co.
CONTINENTAL 4 25-069-60149Plugged OilMid-Northern Oil Co.
CONTINENTAL 4-A 25-069-60153Plugged OilMid-Northern Oil Co.
CONTINENTAL 7-A 25-069-60006Plugged OilMid-Northern Oil Co.
Canfield 1 25-069-05305Plugged Dry holeCanfield, O. B.
Carlson 1 25-069-05253Plugged Dry holeCat Creek Oil
Carnell 5 25-069-21070Plugged OilCarnell, Millicent C.
Cat Creek 2 25-069-05283Plugged Dry holeCat Creek Oil
Cat Creek Unit 1 25-069-60145Plugged OilCenex, Inc.
Cat Creek Unit 1-22 25-069-60111Plugged OilCenex, Inc.
Cat Creek Unit 1-7 25-069-60119Plugged OilCenex, Inc.
Cat Creek Unit 2-15 25-069-60083Plugged OilCenex, Inc.
Charles 1 25-069-05121Plugged OilFrantz Corporation
Charles 1 25-069-05135Plugged Dry holePacific Petroleum
Chas A. Preston 1 25-069-05278Plugged Dry holeDemont Oil
Clauson 1 25-069-60160Plugged Dry holeSchrock
Clement 2 25-069-05049Plugged Dry holeSmith, Guy Etal
Collier 1 25-069-05000Plugged Dry holeSix Hundred Oil
Collier 44-14 25-069-21044Plugged Dry holeTrue Oil LLC
Collier 44-24 25-069-21144Plugged Dry holeWashington Energy Exploration, Inc.
Craig 1 25-069-05290Plugged Dry holeCraig Oil Etal
D KIMMEL 34-29 25-069-21037Plugged Dry holeFulton Producing Co.
D. Van Tassel 5 25-069-05227Plugged Dry holeCalifornia Company, The
D. Van Tassell 5-A 25-069-06609Plugged OilCalifornia Company, The
DAMSCHEN 1 25-069-21084Plugged Dry holeNorth Central Oil Corp.
DAMSHEN 43E-12 25-069-21113Plugged Dry holeRME Petroleum Company
DAVIS ETAL 1-A 25-069-05170Plugged Dry holeEdwards Etal
DELANEY 1 25-069-05362Plugged Dry holeMichigan-Wisconsin Pipe Line
DELANEY 1-28 25-069-21135Plugged Dry holeBlack Eagle Operating Company, Inc.
DELANEY 2 25-069-05361Plugged Dry holeMichigan-Wisconsin Pipe Line
DELANEY 3AKD 25-069-21054Plugged Dry holeAlpha Petroleum Corp. & James C. Larson, III
DIXON ETAL 1-B 25-069-05123Plugged Dry holeBurke Etal
DOROTHY BARTLETT 1-3 25-069-21016Plugged Dry holeTiger Oil Company
DOVE F34-30G 25-069-21142Plugged Dry holeMobil Oil Corporation
Daisy B. Kepford 1 25-069-21015Plugged Dry holeWillis, W.B.
Damschen 1 25-069-60162Plugged Dry holeSeattle-Flatwillow Co.
Dick Wyman Fed. 44-20 25-069-21159Plugged OilHunter Energy LLC
Dick Wyman Fed. 44-20X 25-069-21161Plugged OilHunter Energy LLC
Dick Wyman Federal 44-20-3 25-069-21166Plugged OilCapitan Operating, LLC
Dobson 1-8 25-069-06622Plugged Dry holeMinnesota Flatwillow Petroleum Corp.
Dobson etal 1 25-069-21099Plugged Dry holeMountain States Petroleum Corp.
Dobson-Van Tassell 6 25-069-06621Plugged Dry holeCalifornia Co., The
Dumphy 2A 25-069-06623Plugged Dry holeShaffer
Dutton 14-21 25-069-21167Plugged OilCapitan Operating, LLC
E. GAVLE 1 25-069-05124Plugged DisposalConoco Inc.
E.J. Skibby 1 25-069-05297Plugged ServiceConoco Inc.
F.V. HILL<>1-26 25-069-21110Plugged Dry holeSoape Drilling Co. Inc.
FARAGHAR 1 25-069-05067Plugged Dry holeOregon-Montana Oil Co.
FED (SANNTAG)1A 25-069-05153Plugged Dry holeSoutag Etal
FED CLAYT<>16 2 25-069-60136Plugged OilMid-Northern Oil Co.
FED CLAYT<>16 3 25-069-60137Plugged OilMid-Northern Oil Co.
FED-CONT. 1-A 25-069-06562Plugged OilContinental Oil Company
FED-CONT. 9-A 25-069-06560Plugged OilContinental Oil Company
FED-MILLER #1 25-069-05372Plugged Dry holeTwin States Petroleum Co.
FED-MILLER 1 25-069-60104Plugged OilContinental Oil Company
FED. #1 (49) 25-069-60086Plugged OilContinental Oil Company
FED. #3 (50) 25-069-60087Plugged OilContinental Oil Company
FED. #4 (51) 25-069-60088Plugged OilContinental Oil Company
FED.-CATLETT 1 25-069-06558Plugged Dry holeTri-City Oil
FEDERAL #15 25-069-06548Plugged OilConoco Inc.
FEDERAL #2 25-069-06547Plugged OilConoco Inc.
FEDERAL #20 25-069-06551Plugged OilConoco Inc.
FEDERAL #23(A) 25-069-06552Plugged Dry holeConoco Inc.
FEDERAL 1 25-069-21030Plugged Dry holeBills, Don
FEDERAL 1 25-069-21040Plugged Dry holeLandes, Todd
FEDERAL 1 25-069-21042Plugged Dry holeBauman, Ralph H.
FEDERAL 1 25-069-21052Plugged Dry holeAlpha Petroleum Corp. & James C. Larson, III
FEDERAL 1 25-069-21055Plugged Dry holeCat Creek Oil
FEDERAL 1 25-069-21068Plugged Dry holeTriton Oil And Gas Corp.
FEDERAL 1-33 25-069-21103Plugged Dry holeMountain States Petroleum Corp.
FEDERAL 2 25-069-21053Plugged Dry holeAlpha Petroleum Corp. & James C. Larson, III
FEDERAL 2-33 25-069-21104Plugged Dry holeMountain States Petroleum Corp.
FEDERAL 22A 25-069-06549Plugged OilConoco Inc.
FEDERAL 43-28 25-069-21062Plugged Dry holeBraun, C. F. & Co.
FEDERAL-<>12-24 25-069-05289Plugged Dry holeCardinal Petroleum
FEDERAL-<>18-11 25-069-21029Plugged Dry holeSohio Petroleum Company
FEDERAL-TRIT<>2 25-069-21057Plugged Dry holeCat Creek Oil
FEE 1 25-069-05301Plugged Dry holeBritish American
FIFER #4 25-069-06545Plugged OilRiver Dome Petroleum
FIFER 1 25-069-05147Plugged InjectionCenex, Inc.
FIFER 1-A 25-069-60054Plugged OilFrantz Corporation
FIFER 1A 25-069-06543Plugged Dry holeWilliams Syndicate
FIFER 1A 25-069-60049Plugged OilMontacal
FIFER 2-A 25-069-06572Plugged OilCarroll, L.R.
FIFER 2-A 25-069-60055Plugged OilCenex, Inc.
FIFER 2-B 25-069-60050Plugged Dry holeMontacal

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