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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
BETHEL 14-22 #1 25-069-21128Active DisposalR & A Oil, Inc.
BROWN 1 25-069-60044Shut in OilCat Creek Holdings LLC
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 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.
CAT CR UN. 1-64 25-069-21025Active OilCat Creek Holdings LLC
Cat Creek Unit 1 65 25-069-21072Active OilCat Creek Holdings LLC
Dobson-Van Tassell 4 25-069-60186Shut in Dry holeCalifornia Company, The
FIFER 2 25-069-06574Active OilCat Creek Holdings LLC
Fee 1 25-069-05231Active OilColumbia Petroleum, Ltd.
Fifer 4 25-069-05146Shut in OilCat Creek Holdings LLC
Fifer 5 25-069-05144Active OilCat Creek Holdings LLC
Gel 5 25-069-21106Permitted OilColumbia Petroleum, Ltd.
Gel Oil Fund 1 25-069-21076Active OilColumbia Petroleum, Ltd.
Gel Oil Fund 3 25-069-21092Shut in OilColumbia Petroleum, Ltd.
H.A. Brown 21 25-069-21012Shut in OilCat Creek Holdings LLC
HARLAN 11 25-069-05213Active OilCat Creek Holdings LLC
HARLAN 13 25-069-05212Active OilCat Creek Holdings LLC
Harlan 12 25-069-05215Shut in OilCat Creek Holdings LLC
Ihde 10 25-069-60120Active OilCat Creek Holdings LLC
Ihde 3 25-069-60113Active OilCat Creek Holdings LLC
Mitchell 1 25-069-06576Shut in OilMitchell Et Al
O'Dea #1 25-069-06563Shut in Dry holeCanfield & Davis
O'Dea #2 25-069-06564Shut in Dry holeCanfield & Davis
Oldham Govt. 23 25-069-05201Shut in OilCat Creek Holdings LLC
Powell 1 25-069-05058Shut in OilSeattle
STATE 1 25-069-05152Shut in OilFarmers Union Central Exchange, Inc.
State 2 25-069-05149Shut in OilCat Creek Holdings LLC
State 3 25-069-05167Shut in OilCat Creek Holdings LLC
State 3A 25-069-06581Shut in OilF.U.C.E., Inc.
State 4 25-069-05163Shut in OilCat Creek Holdings LLC
State 6 25-069-05159Active OilCat Creek Holdings LLC
State 9 25-069-21014Active InjectionCat Creek Holdings LLC
State Rattler #2 33-16 25-069-21114Shut in OilR & A Oil, Inc.
State Rattler 1 43-16 25-069-21109Shut in OilR & A Oil, Inc.
UCLI 1 25-069-21073Active OilRanch Oil Company, Inc.
UN. (BNSN 1) 44 25-069-60199Active OilCat Creek Holdings LLC
UNIT #26 (11-A) 25-069-60099Active OilCat Creek Holdings LLC
UNIT #27 (#5) 25-069-05367Active OilCat Creek Holdings LLC
UNIT (CATLETT 10) 60 25-069-05184Active OilCat Creek Holdings LLC
UNIT (IHDE 11) 21 25-069-60121Active OilCat Creek Holdings LLC
UNIT 1 #29 (4) 25-069-60026Active OilCat Creek Holdings LLC
UNIT 1 #31 (5) 25-069-60027Active OilCat Creek Holdings LLC
UNIT 1 #35 (8) 25-069-60035Active OilCat Creek Holdings LLC
UNIT 1 #37 (19) 25-069-60039Active OilCat Creek Holdings LLC
UNIT 1 #43 (2) 25-069-60009Active OilCat Creek Holdings LLC
UNIT 1 #49 (18) 25-069-60038Shut in OilCat Creek Holdings LLC
UNIT 1 #53 (6) 25-069-60013Active OilCat Creek Holdings LLC
UNIT 1 #61 (17) 25-069-05177Active OilCat Creek Holdings LLC
UNIT 1-11 (7-A) 25-069-06525Shut in OilCat Creek Holdings LLC
UNIT 14 (4) 25-069-60084Active OilCat Creek Holdings LLC
UNIT 27 (#16) 25-069-06541Active OilCat Creek Holdings LLC
UNIT 28 (17) 25-069-06542Active OilCat Creek Holdings LLC
UNIT 33 (21) 25-069-05368Active OilCat Creek Holdings LLC
UNIT 41 (#6) 25-069-60094Active OilCat Creek Holdings LLC
UNIT 63 25-069-21024Active OilCat Creek Holdings LLC
Unit 1 #38 (8) 25-069-60030Active InjectionCat Creek Holdings LLC
Unit 1 #47 (6) 25-069-60028Active InjectionCat Creek Holdings LLC
Unit 1 #57 25-069-05193Active InjectionCat Creek Holdings LLC
Unit 1-42 25-069-60005Shut in OilCat Creek Holdings LLC
Unit 13 (5) 25-069-60085Shut in OilCat Creek Holdings LLC
Unit 2 #11 (14) 25-069-05226Active InjectionCat Creek Holdings LLC
Unit 2 #53 (28) 25-069-05189Active InjectionCat Creek Holdings LLC
Unit 2 (Benson) 30 25-069-05211Active InjectionCat Creek Holdings LLC
Unit 2 39 25-069-05192Active InjectionCat Creek Holdings LLC
Unit 8 25-069-60082Active OilCat Creek Holdings LLC
Watson 2 25-069-05004Shut in Dry holeWatson Oil