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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
#1 25-069-60159Plugged Dry holeOregon Flatwillow Development Co.
#2 25-069-05037Plugged Dry holeFlatwillow Oil
#25 (13) 25-069-60100Plugged OilCenex, Inc.
#29 (18) 25-069-60214Plugged OilCenex, Inc.
1 25-069-05012Plugged Dry holeFlatwillow Oil
1 25-069-05021Plugged Dry holeWayne Petrol
1 25-069-05082Status not reported UnknownDevonian Oil & Gas
1 25-069-05268Status not reported UnknownBrush Creek Syndicate
1 25-069-05294Plugged Dry holeWest Dome Oil
1 25-069-60189Plugged Dry holePeerless Oil Company
1-10 (CATLET 9) 25-069-06534Plugged OilCenex, Inc.
11A (CLAY>7 11) 25-069-60018Status not reported OilFrantz Corporation
2 25-069-05081Status not reported UnknownMosby Dome Syndicate
2 25-069-60197Plugged Dry holePeerless Oil Company
3 25-069-60065Plugged Dry holeCat Creek Oil
3 25-069-60196Plugged Dry holePeerless Oil Company
4 RATTLER 42-16 25-069-21134Plugged Dry holeRME Petroleum Company
56 Petroleum 16 25-069-05185Status not reported OilConoco Inc.
A E GLAUSON 1 25-069-05001Plugged Dry holeHonolulu Oil Corporation
A. Ihde 1 25-069-05251Plugged Dry holeAce Syndicate
ALVIN C 21A-<>1 25-069-21101Status not reported Water supplyRME Petroleum Company
ALVIN CLAUSON 1 25-069-05030Plugged Dry holeSignal Drilling & Expl. Co. Inc.
ARB 1 25-069-21051Plugged GasAlpha Petroleum Corp. & James C. Larson, III
ASHLEY 1 25-069-05293Plugged Dry holeLewis, E.G. Development Co.
AUSTAD 2 25-069-60161Plugged Dry holeWatson Oil
AUSTED 1 25-069-05029Plugged Dry holeWatson Oil
Alger 1 25-069-06594Plugged Dry holeAlger, Etal
Allen 1 25-069-05307Plugged Dry holeAllen Oil Co.
Allen 2 25-069-05306Plugged Dry holeAllen Oil Co.
Ambra 1-26 25-069-21152Plugged Dry holeStarrock Resources Inc.
Asfaloth 1 25-069-21174Plugged Dry holeCentral Montana Resources, LLC
Asfaloth 1B 25-069-21179Plugged OilCentral Montana Resources, LLC
B. Wells 1 25-069-05264Plugged Dry holeZinc City Oil Co.
BATCHELDER 1-28 25-069-21059Plugged Dry holeWise, William, F.
BE DIA 23B-12 1 25-069-21127Plugged Dry holeRME Petroleum Company
BENSON #1 25-069-05371Plugged OilContinental Oil Company
BENSON #3 25-069-60080Plugged OilCentana Petroleum Corp.
BENSON #5 25-069-06546Plugged OilContinental Oil Company
BENSON (2) #45 25-069-06555Plugged OilCenex, Inc.
BENSON 1 25-069-05220Plugged Dry holeCobb, A.B. & Company
BETH KRA 13A-27 25-069-21125Plugged Dry holeRME Petroleum Company
BETHEL 14-22 #1 25-069-21128Active DisposalR & A Oil, Inc.
BINGENHEIM<>1-A 25-069-05172Plugged Dry holeTri-City Oil
BLANCHE G<>1-5B 25-069-21022Status not reported Water supplyLanouette, Gordon
BLANCHE GREE<>1 25-069-21018Plugged Dry holeBonabrake, A.C. Etal.
BOHN 1 25-069-05069Plugged Dry holeHose-Austin Drilling Corp.
BOOK ET AL 1 25-069-21091Plugged Dry holeMountain States Petroleum Corp.
BOYD 1 25-069-05068Plugged Dry holeA M 2 Oil
BRATTEN 1 25-069-05076Plugged Dry holeHose-Austin Drilling Corp.
BRIDGER 1 25-069-21069Plugged Dry holeMolen Drilling Co., Inc.
BROWN 1 25-069-60044Shut in OilCat Creek Holdings LLC
BROWN 1-A 25-069-60194Plugged Dry holeBaker Syndicate
BROWN 10 25-069-05155Status not reported OilCat Creek Holdings LLC
BROWN 11 25-069-05154Plugged OilCenex, Inc.
BROWN 12 25-069-05166Status not reported OilCat Creek Holdings LLC
BROWN 13 25-069-05165Plugged InjectionCenex, Inc.
BROWN 14 25-069-05164Plugged InjectionCenex, Inc.
BROWN 15 25-069-05161Status not reported OilCat Creek Holdings LLC
BROWN 16 25-069-05169Plugged Dry holeConoco Inc.
BROWN 17 25-069-05151Plugged OilConoco Inc.
BROWN 18 25-069-21007Plugged Dry holeFarmers Union Central Exchange, Inc.
BROWN 2 25-069-05010Plugged Dry holeMinnesota Oil Etal
BROWN 2 25-069-60045Plugged OilFrantz Corporation
BROWN 2 25-069-60192Plugged Dry holeBaker Syndicate
BROWN 22 25-069-21034Plugged OilCenex, Inc.
BROWN 5-A 25-069-05369Plugged Dry holeContinental Oil Company
BROWN 6 25-069-60047Plugged Dry holeFrantz Corporation
BROWN 7 25-069-06585Status not reported OilContinental Oil Company
BROWN 8A 25-069-06586Plugged Dry holeContinental Oil Company
BROWN 9A 25-069-06587Status not reported OilContinental Oil Company
BUELOW 1 25-069-05044Plugged Dry holeJackson, Miles
BURLINGTON 1-33 25-069-21095Plugged Dry holeMarmik Oil Company
BURT 1 25-069-05273Plugged Dry holeTaylor, Ike
BURT 1 25-069-05284Status not reported Water supplyAlexander Syndicate
BURT 2 25-069-05275Status not reported Water supplyTaylor, Ike
Benson 3 25-069-60103Plugged Dry holeContinental Oil Company
Benson 4 25-069-60184Plugged Dry holeContinental Oil Company
Bethel Kramer #1 41E-28 25-069-21119Shut in OilR & A Oil, Inc.
Bethel Kramer #2 31-28 25-069-21121Temporarily abandoned OilR & A Oil, Inc.
Bethel Kramer #3 42E-28 25-069-21124Shut in OilR & A Oil, Inc.
Bethel Rattler #1 21-27 25-069-21108Shut in OilR & A Oil, Inc.
Bethel Rattler #4 12-27 25-069-21120Shut in OilR & A Oil, Inc.
Bethel Rattler #5 44-21 25-069-21122Plugged Dry holeRME Petroleum Company
Bethel Rattler 11-27 2 25-069-21116Shut in OilR & A Oil, Inc.
Bethel Rattler 44-21 5X 25-069-21129Shut in OilR & A Oil, Inc.
Bethel Rattler-Cat Creek #1 44-21 25-069-21138Shut in OilR & A Oil, Inc.
Book 2 25-069-21133Plugged OilMountain States Petroleum Corp.
Braw 1 25-069-60064Plugged Dry holeGrier Bros
Brindly 1 25-069-05113Status not reported Water supplyCanfield, O. B.
Butler 3 25-069-05112Plugged OilKirk, V.M.
C. Post 1-A 25-069-05200Plugged OilContinental Oil Company
C. Post 1-A 25-069-05223Plugged Dry holeMinnesota Flatwillow Petroleum Corp.
C. Post 1-A 25-069-06606Plugged Dry holeDevereaux Oil Co.
C. Post 2-A 25-069-06607Plugged Dry holeContinental Oil Company
CARNLL-CHARLE 1 25-069-05129Plugged Dry holeCarnell, Millicent C.
CARROLL 1-A 25-069-06575Plugged OilCarroll, L.R.
CASSIDY 1 25-069-05277Plugged Dry holeTaylor, Ike
CASSIDY 2 25-069-60062Plugged Dry holeTaylor, Ike
CAT CR UN. 1-64 25-069-21025Active OilCat Creek Holdings LLC
CATLETT (FED) 1 25-069-60180Plugged Dry holeUnit O&G

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