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Williamson County, IL oil and gas wells

723 wells: 0 active, 479 plugged, run by 182 operators.

Figures from the Illinois State Geological Survey, updated 2026-10-17.

Top operators in Williamson

OperatorActiveWells here
C. E. Brehm Drilling & Prod.088
ISGS041
Budmark Oil Co., Inc.036
Brehm, C. E. Drilling & Prod.023
Brehm, C. E. Drilling & Producing023
Dull, Joe A.022
Rehn, E. E.021
Vaughn, A. B.020
Gallagher, Victor R.018
Bufay Oil Company017
Morris, Eugene E.017
Mutual Oil & Gas Co.017
Soil Conservation Service015
C.I.P.S.014
Bartmes, Ross010
Gulf Oil Corporation010
Paragon Oil Company, Inc.010
P R S09
National Associated Petroleum Co.08
Calvert Drilling, Inc.07
Central Illinois Public Service07
DeMier Oil Company07
Fulford, J. E.06
Illinois State Geological Survey06
Mid-Continent Methane, Inc.06

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Coleman Ben H 1 12-199-01034Plugged Dry holeNation C E
Collard, J. E. 1 12-199-23369Status not reported UnknownAshland Exploration, Inc.
Collard, J. E. 1 12-199-23369-0100Plugged Dry holeAshland Exploration, Inc.
Colp M D 1 12-199-01099Plugged Dry holeCartervl Oil & Gas
Cool Comm. 1 12-199-23379Plugged Dry holeMars Energy Co.
Cox 1 12-199-02375-0100Plugged Dry holeBudmark Oil Co., Inc.
Cox, Claude 1 12-199-02009Plugged Dry holeCalvert Drilling, Inc.
Cox-Andris Comm 1 12-199-02375Plugged Dry holeMorgan, John H.
Crane 12-199-00245Status not reported OtherButler
Crown Trust 1 12-199-02539Plugged Dry holeC. E. Brehm Drilling & Prod.
Crown Trust 1 12-199-02568Plugged OtherC. E. Brehm Drilling & Prod.
Crown Trust 2 12-199-02583Plugged Dry holeC. E. Brehm Drilling & Prod.
Crown Trust 3 12-199-22656Plugged Dry holeC. E. Brehm Drilling & Prod.
Culver 1-B 12-199-02520Plugged Dry holeBrehm, C. E. Drilling & Prod.
Culver 1-B 12-199-02520-0100Plugged DisposalBrehm, C. E. Drilling & Prod.
D.D.H. 4 12-199-22750-0100Status not reported UnknownMid-Continent Methane, Inc.
D.D.H. 5 12-199-23880Status not reported UnknownMid-Continent Methane, Inc.
Davis, Gussie 1 12-199-02145Plugged Dry holePure Oil Company
Delta 4 12-199-23544Status not reported GasMid-Continent Methane, Inc.
Delta 6 12-199-23545Status not reported GasMid-Continent Methane, Inc.
Delta 3 12-199-23546Plugged GasMid-Continent Methane, Inc.
Delta H1-A 12-199-24066Plugged UnknownBPI Energy, Inc.
Delta Mine 14 12-199-23545-0100Plugged GasBPI Energy, Inc.
Denton Pearl 12-199-01062Status not reported UnknownUnited Electric Coal
Dogwalk Community 1 12-199-22649Plugged Dry holeC. E. Brehm Drilling & Prod.
Dorris 1 12-199-22640Plugged Dry holeC. E. Brehm Drilling & Prod.
Drury Community 1 12-199-22620Plugged OilC. E. Brehm Drilling & Prod.
Dudley 1 12-199-02575Status not reported OilC. E. Brehm Drilling & Prod.
Dudley 1 12-199-02575-0100Status not reported InjectionC. E. Brehm Drilling & Prod.
Dudley 1 12-199-02575-0200Plugged UnknownParagon Oil Company, Inc.
Duncan, Mark etal 1 12-199-02100Plugged Dry holeRehn, E. E.
Duty 1 12-199-02410Plugged Dry holeC. E. Brehm Drilling & Prod.
Duty 1 12-199-22601-0100Plugged Dry holeMitchell, Geo. N. Prod.
Duty, D. L. etal 1 12-199-01923Plugged Dry holeStrickland, Frank L.
Duty, J. b. etal 1 12-199-02012Plugged Dry holeCalvert Drilling, Inc.
Duty, Lalla Grace 1 12-199-22601Plugged Dry holeReinhold Oil Producers
Eberhardt 1-B 12-199-02521Plugged OilBrehm, C. E. Drilling & Producing
Edwards 1 12-199-02476Plugged Dry holeC. E. Brehm Drilling & Prod.
Edwards Heirs 1 12-199-02203Plugged Dry holeKelley, Conrad & Kaye
Edwards, Lee 1 12-199-01890Plugged Dry holeMoran, E. F., Inc.
Eigenrauch - Armstrong 2 12-199-02370Plugged OilVaughn, A. B.
Eigenrauch-Armstrong 1 12-199-02345Plugged OilVaughn, A. B.
Eigenrauch-Armstrong 3 12-199-02387Plugged InjectionVaughn, A. B.
Eovaldi - Fairchild 4 12-199-23484-0100Status not reported OilVaughn, William T.
Eovaldi-Fairchild 1 12-199-02336Status not reported OilVaughn, A. B.
Eovaldi-Fairchild 2 12-199-02358Status not reported OilVaughn, A. B.
Eovaldi-Fairchild 5 12-199-23523Plugged Dry holeVaughn Oil Properties
Eovoldi-Fairchild 3 12-199-23477Status not reported OilVaughn Oil Properties
Fairchild 1 12-199-02570Plugged Dry holeC. E. Brehm Drilling & Prod.
Fairchild 2 12-199-22646Plugged Dry holeC. E. Brehm Drilling & Prod.
Felts, Walter 1 12-199-02089Plugged Dry holeRehn, E. E.
Felts-Grant Comm. 1 12-199-02468Plugged Dry holeBufay Oil Company
Fitch Account 1 12-199-23046Plugged Dry holeGallagher, Victor R.
Forcum 1-C 12-199-23516-0200Status not reported OilMorris, Eugene E.
Forcum 2 12-199-23879Plugged Dry holeMorris, Eugene E.
Forcum 1-13 12-199-23947Plugged GasMuirfield Resources Co.
Forsyth 1 12-199-02554Plugged Dry holeC. E. Brehm Drilling & Prod.
Forsyth-Carterville Coal 1 12-199-01951Plugged Dry holeForsyth-Crtrvl Coal
Forsythe Carterville Coal Co. 1 12-199-22613Plugged Dry holeHanson Oil Company
Fortune 1 12-199-01877Plugged Dry holeHuffman, B. & Howard, M.
Fosse, Erwin A. 1 12-199-01873Plugged Dry holeIllinois Mid-Continent Co.
Fowler Heirs 1 12-199-01926Plugged Dry holeEakle & Holder Petroleum Company
Francescon 1 12-199-24068Status not reported UnknownShakespeare Oil Co., Inc.
Francescon 1 12-199-24068-0100Plugged GasShakespeare Oil Co., Inc.
Freeman 1 12-199-22751Plugged Dry holeC. E. Brehm Drilling & Prod.
Freeman Coal 2 12-199-02075Plugged OtherRehn, E. E.
Freeman Coal Corporation 1 12-199-02078Plugged Dry holeRehn, E. E.
Frick, J Community 1 12-199-22902Plugged Dry holeMitchell, Ronald L.
Fuller 1 12-199-01953Plugged Dry holeInternat'l Drlg
Fuller, R. S. 1 12-199-01044Plugged Dry holeArrow Drilling Co.
Gahm Heirs 1 12-199-22690Plugged GasDull, Joe A.
Gahm, Madge 1 12-199-01952Plugged GasCentral Illinois Public Service
Garrett 1 12-199-22645Plugged Dry holeBrehm, C. E. Drilling & Prod.
Garrett 2 12-199-22652Plugged OilC. E. Brehm Drilling & Prod.
Garrett 3 12-199-22714Plugged Dry holeC. E. Brehm Drilling & Prod.
Garrett 1 12-199-23483Plugged Dry holeBudmark Oil Co., Inc.
Gent 1-A 12-199-02005-0100Status not reported GasBrehm, C. E. Drilling & Producing
Gent 1-A 12-199-02005-0200Plugged InjectionCentral Illinois Public Service
Gent 1 12-199-02460Plugged OtherAmerada Pet. Corp.
Gent 1 12-199-02460-0100Status not reported GasBrehm, C. E. Drilling & Producing
Gent 1 12-199-02460-0200Plugged InjectionCentral Illinois Public Service
Gent, Belle 1 12-199-01999Plugged Dry holeCalvert Drilling, Inc.
Gent, Belle 1 12-199-02005Plugged Dry holeAbsher & Booth
Gent, Belle 1 12-199-02006Plugged Dry holeAmerada Pet. Corp.
George 1 12-199-22603Plugged Dry holeC. E. Brehm Drilling & Prod.
Gidlund 1 12-199-23495Plugged Dry holeGallagher, Victor R.
Glen Comm 1 12-199-02477Plugged Dry holeC. E. Brehm Drilling & Prod.
Glen Comm. 1 12-199-02477-0100Plugged OtherBrehm, C. E. Drilling & Producing
Glenn Community 2 12-199-02530Plugged Dry holeC. E. Brehm Drilling & Prod.
Gosnell, Ira 3 12-199-01470Status not reported Unknown—
Gosnell, Ira 4 12-199-01471Status not reported UnknownP R S
Gosnell, Ira 5 12-199-01472Status not reported UnknownP R S
Gosnell, Ira 7 12-199-01474Status not reported UnknownP R S
Gosnell, Ira 14 12-199-01481Status not reported UnknownP R S
Grisley 1 12-199-22663Plugged Dry holeC. E. Brehm Drilling & Prod.
Grisley, Mary Heirs 1 12-199-02227Plugged Dry holeNational Associated Petroleum Co.
H. L. Roberts Community 1 12-199-01924Plugged Dry holeHoward M W
Hagler 10 12-199-01477Status not reported UnknownP R S
Handkins, Lela 1 12-199-02523Plugged Dry holeDull, Joe A.
Harris 1 12-199-02474Plugged Dry holeStroud, Jack W.

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