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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
Ladd 1 12-199-02571Plugged Dry holeBrehm, C. E. Drilling & Producing
Ladd 2 12-199-02572Plugged Dry holeC. E. Brehm Drilling & Prod.
Lamaster 1 12-199-02447Plugged Dry holeC. E. Brehm Drilling & Prod.
Lindsay-Clayton "0" 1 12-199-02462Plugged Dry holeNational Associated Petroleum Co.
Lindsay-Sanders 1 12-199-02199Plugged Dry holeNational Associated Petroleum Co.
Little Fair 1-B 12-199-02507Plugged OilBrehm, C. E. Drilling & Producing
Littlefair 3-B 12-199-02512Plugged Dry holeBrehm, C. E. Drilling & Prod.
Littlefair 3-B 12-199-02512-0100Plugged Dry holeBrehm, C. E. Drilling & Prod.
Littlefair 3-B 12-199-02512-0200Status not reported OilParagon Oil Company, Inc.
Littlefair 2-B 12-199-02532Plugged OilC. E. Brehm Drilling & Prod.
Littlefair 1 12-199-24121Status not reported UnknownShakespeare Oil Co., Inc.
Littlefair 1 12-199-24121-0100Status not reported GasShakespeare Oil Co., Inc.
Lobree 1 12-199-22677Plugged Dry holeC. E. Brehm Drilling & Prod.
Lockhard George 1 12-199-01095Plugged Dry holeCarolyn Oil
Lovan 1 12-199-02548Plugged Dry holeDull, Joe A.
MADISON 1 12-199-02453-0100Plugged Dry holeBufay Oil Company
MVC 1-13 12-199-23949Plugged UnknownMuirfield Resources Co.
Mack 1 12-199-02588Plugged Dry holeC. E. Brehm Drilling & Prod.
Mack Oeth Community 1 12-199-22634Plugged Dry holeC. E. Brehm Drilling & Prod.
Madison A-1 12-199-01207Plugged Dry holeShell Oil Company
Madison B-1 12-199-01289Plugged Dry holeShell Oil Company
Madison A-1 12-199-02184Plugged Dry holeMutual Oil & Gas Co.
Madison C-1 12-199-02185Plugged Dry holeMutual Oil & Gas Co.
Madison E-1 12-199-02186Status not reported OilMutual Oil & Gas Co.
Madison D-1 12-199-02187Plugged Dry holeMutual Oil & Gas Co.
Madison E-3 12-199-02201Status not reported OilMutual Oil & Gas Co.
Madison G-1 12-199-02206Plugged Dry holeLobree
Madison 1 12-199-02372-0100Plugged Dry holeBufay Oil Company
Madison 3 12-199-02389Status not reported OilBufay Oil Company
Madison 4 12-199-02398Plugged Dry holeBufay Oil Company
Madison S-2 12-199-02401Plugged OtherBufay Oil Company
Madison 6 12-199-02404Plugged Dry holeBufay Oil Company
Madison 5 12-199-02406Status not reported OilBufay Oil Company
Madison 8 12-199-02453Status not reported OilBufay Oil Company
Madison 7 12-199-02461Status not reported OilBufay Oil Company
Madison 1-23 12-199-23885-0100Plugged Dry holeWalters, Mannon L. Inc.
Madison "B" 5 12-199-02224Status not reported OilPhillips Petroleum Co.
Madison "E" 2 12-199-02239-0100Status not reported OilMutual Oil & Gas Co.
Madison "E" 6 12-199-02254Plugged Dry holeMutual Oil & Gas Co.
Madison "E"-2 Lease 5-E 12-199-02219Status not reported OilMutual Oil & Gas Co.
Madison "E"-2 Lease 5-E 12-199-02219-0100Status not reported InjectionMutual Oil & Gas Co.
Madison "F" 1 12-199-02200Plugged Dry holeMutual Oil & Gas Co.
Madison Coal A-1 12-199-01946Plugged OilPhillips Petroleum Co.
Madison Coal E-1 12-199-02186-0100Status not reported StorageC.I.P.S.
Madison Coal B-1 12-199-02189Status not reported OilPhillips Petroleum, Co.
Madison Coal B-1 12-199-02189-0300Status not reported StorageC.I.P.S.
Madison Coal E-3 12-199-02201-0200Status not reported ServiceC.I.P.S.
Madison Coal B-2 12-199-02204-0300Status not reported ServiceC.I.P.S.
Madison Coal E-4 12-199-02205Status not reported OilMutual Oil & Gas Co.
Madison Coal A-1 12-199-02210-0300Status not reported StorageC.I.P.S.
Madison Coal E-5 12-199-02219-0200Plugged ServiceC.I.P.S.
Madison Coal B-4 12-199-02220-0100Status not reported StorageC.I.P.S.
Madison Coal D-1 12-199-02222Plugged Dry holeShaw, Obie
Madison Coal F-1 12-199-02223-0200Status not reported ServiceC.I.P.S.
Madison Coal B-5 12-199-02224-0100Status not reported StorageC.I.P.S.
Madison Coal C-1 12-199-02238Plugged Dry holeFulford, J. E.
Madison Coal WS-2 12-199-02238-0100Status not reported Water supplyMutual Oil & Gas Co.
Madison Coal C-1 12-199-02238-0300Status not reported ServiceC.I.P.S.
Madison Coal E-2 12-199-02239-0200Status not reported StorageC.I.P.S.
Madison Coal A-2 12-199-02242-0300Status not reported StorageC.I.P.S.
Madison Coal G-3 12-199-02361Plugged GasCentral Illinois Public Service
Madison Coal 5 12-199-02406-0100Permitted UnknownBufay Oil Company
Madison Coal 7 12-199-02461-0100Status not reported InjectionBudmark Oil Co., Inc.
Madison Coal 9 12-199-22616Plugged Dry holeBufay Oil Company
Madison Coal 1 12-199-22625Plugged OilDull, Joe A.
Madison Coal 1 12-199-22641Plugged Dry holeBrehm, C. E. Drilling & Producing
Madison Coal 1 12-199-22641-0100Plugged Dry holeBrehm, C. E. Drilling & Producing
Madison Coal K-4 12-199-22693Plugged Dry holeMorris, Eugene E.
Madison Coal "A" 2 12-199-02242Plugged Dry holeFulford, J. E.
Madison Coal "A" 2 12-199-02242-0100Status not reported Water supplyMutual Oil & Gas Co.
Madison Coal "B" 6 12-199-02190Plugged Dry holePhillips Petroleum Co.
Madison Coal "B" 4 12-199-02220Status not reported OilPhillips Petroleum Co.
Madison Coal "B" Lease B-3 12-199-02212-0100Plugged InjectionMutual Oil & Gas Co.
Madison Coal "E" Lease E-4 12-199-02205-0100Status not reported InjectionMutual Oil & Gas Co.
Madison Coal "M" 1 12-199-02288Status not reported OilMorris, Eugene E.
Madison Coal B 2 12-199-02204Status not reported OilPhillips Petroleum, Co.
Madison Coal B 3 12-199-02212Status not reported OilPhillips Petroleum Co.
Madison Coal B Lease B-1 12-199-02189-0100Status not reported InjectionMutual Oil & Gas Co.
Madison Coal B Lease B-2 12-199-02204-0100Status not reported InjectionMutual Oil & Gas Co.
Madison Coal Co. 2 12-199-02383Plugged Dry holeBufay Oil Company
Madison Coal Company S-1 12-199-02372Plugged OtherBufay Oil Company
Madison Coal Company 1 12-199-02446Plugged OilStroud, Jack W.
Madison Coal Company "A" 1 12-199-02228Plugged Dry holeNational Associated Petroleum Co.
Madison Coal Company "B" 1 12-199-02226Plugged Dry holeNational Associated Petroleum Co.
Madison Coal Corp. A-1 12-199-02210Status not reported OilFulford, J. E.
Madison Coal Corp. G-1 12-199-02285Status not reported GasCentral Illinois Public Service
Madison Coal Corp. G-2 12-199-02320Status not reported GasCentral Illinois Public Service
Madison Coal Corp. G-2 12-199-02320-0100Status not reported GasAmeren IP
Madison Coal Corp. K-3 12-199-02343Plugged Dry holeMorris, Eugene E.
Madison Coal Corp. 1 12-199-02372-0200Status not reported DisposalBufay Oil Company
Madison Coal Corp. 1 12-199-02508Plugged Dry holeVaughn, A. B.
Madison Coal Corp. "K" 1 12-199-02231Plugged Dry holeFulford, J. E.
Madison Coal Corporation K-2 12-199-02276-0100Status not reported GasFulford, J. E.
Madison Coal Corporation "F" 1 12-199-02223Status not reported OilFulford, J. E.
Madison Coal Corporation "O" 1 12-199-02278Status not reported UnknownMorris, Eugene E.
Madison Coal Corporation "O" 1 12-199-02278-0100Status not reported OilMorris, Eugene E.
Mandrell, Sims 1 12-199-01872Plugged Dry holeArrow Drilling Co.
Mann 1 12-199-02150Plugged Dry holeHoward, Ellis M.
Mann, Richard 1 12-199-01950Plugged OilDayton, Ward W.
Marrs 1-F 12-199-22661Plugged OilC. E. Brehm Drilling & Prod.

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