WellheadMap

Home › Illinois › Clark

Clark County, IL oil and gas wells

8,701 wells: 0 active, 3,744 plugged, run by 941 operators.

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

Top operators in Clark

OperatorActiveWells here
Ohio Oil Co., The01,683
Forest Oil Corporation0476
Pure Oil Company0419
The Pure Oil Company0279
Associated Oil Production Co.0169
Ashley Oil, Inc.0141
Huff Drilling Co., Inc.0106
Horizontal Systems, Inc.0105
Zink, Earnest0100
Gary Energy Corp.089
Froderman, G.H. & Connelly, Everett086
Redman Production Co.084
C. L. McMahon, Inc.079
Ohio Oil Company075
Knierim, Max Inc.074
Dover Illinois I, LLC070
L & J Oil & Gas, Inc.069
Ryan, John H.068
Bridge, Frank A.062
Ashley Oil Company059
Partlow Enterprises056
Knierim Company, Inc.055
Dillier & Knierim Co., Inc.053
Tri-Cor Oil Producers047
Samels045

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Claypool C-2 12-023-26967Plugged UnknownMarnic Oil, Inc.
Claypool C-3 12-023-26968Plugged UnknownMarnic Oil, Inc.
Claypool C-4 12-023-26969Plugged UnknownMarnic Oil, Inc.
Claypool Cons. 7-B 12-023-01605-0100Plugged OilShull, Ivan R.
Claypool Consld-B 18 12-023-01596Plugged OilOhio Oil Co., The
Claypool Consld-B 20 12-023-01597Plugged OilOhio Oil Co., The
Claypool Consolidated 21 12-023-00756Plugged InjectionPure Oil Company
Claypool Consolidated B-2 12-023-01592Plugged OilOhio Oil Co., The
Claypool Consolidated B-7 12-023-01593Plugged OilOhio Oil Co., The
Claypool Consolidated B-17 12-023-01595Plugged OilOhio Oil Co., The
Claypool Consolidated B-17 12-023-01598Plugged OilOhio Oil Co., The
Claypool Consolidated 18-B 12-023-01615-0100Plugged OilShull, Ivan R.
Claypool Consolidated 1 12-023-01780Plugged OilThe Pure Oil Company
Claypool Consolidated 17 12-023-01781Plugged OilPure Oil Company
Claypool Consolidated 18 12-023-01782Plugged OilPure Oil Company
Claypool Consolidated 19 12-023-01783Plugged OilPure Oil Company
Claypool Consolidated 22 12-023-01784Plugged OilPure Oil Company
Claypool Consolidated 23 12-023-01785Plugged OilPure Oil Company
Claypool Consolidated 24 12-023-01786Plugged OilPure Oil Company
Claypool Consolidated 25 12-023-01787Plugged OilPure Oil Company
Claypool Consolidated 26 12-023-01788Plugged OilPure Oil Company
Claypool Consolidated 27 12-023-01789Plugged OilPure Oil Company
Claypool Consolidated 28 12-023-01790Plugged OilPure Oil Company
Claypool Consolidated 29 12-023-01791Plugged OilPure Oil Company
Claypool Consolidated 30 12-023-01792Plugged OilPure Oil Company
Claypool Consolidated 31 12-023-01793Plugged OilPure Oil Company
Claypool Consolidated 32 12-023-01794Plugged OilPure Oil Company
Claypool Consolidated 36 12-023-01797Plugged OilPure Oil Company
Claypool Consolidated - B 28 12-023-00596Plugged InjectionPure Oil Company
Claypool Consolidated - B 23 12-023-00908Plugged OilPure Oil Company
Claypool Consolidated - B 27 12-023-00909Plugged OilPure Oil Company
Claypool Consolidated - B 47 12-023-00918Plugged OilPure Oil Company
Claypool Consolidated - B 48 12-023-00926Plugged OilPure Oil Company
Claypool Consolidated - B 33 12-023-00928Plugged OilPure Oil Company
Claypool Consolidated - B 68 12-023-00967Plugged InjectionPure Oil Company
Claypool Consolidated - B 32 12-023-00971Plugged OilPure Oil Company
Claypool Consolidated B 43 12-023-00589Plugged InjectionPure Oil Company
Claypool Consolidated B 41 12-023-00590Plugged InjectionPure Oil Company
Claypool Consolidated B 36 12-023-00591Plugged InjectionPure Oil Company
Claypool Consolidated B 35 12-023-00592Plugged InjectionPure Oil Company
Claypool Consolidated B 34 12-023-00593Plugged InjectionPure Oil Company
Claypool Consolidated B 37 12-023-00604Plugged InjectionPure Oil Company
Claypool Consolidated B 56 12-023-00632Plugged OilPure Oil Company
Claypool Consolidated B 39 12-023-00910Plugged OilPure Oil Company
Claypool Consolidated B 40 12-023-00911Plugged OilPure Oil Company
Claypool Consolidated B 57 12-023-00925Plugged OilPure Oil Company
Claypool Consolidated B 38 12-023-00927Plugged OilPure Oil Company
Claypool Consolidated B 31 12-023-00933Plugged OilPure Oil Company
Claypool Consolidated B 46 12-023-00938Plugged OilPure Oil Company
Claypool Consolidated B 16 12-023-01594Plugged OilOhio Oil Co., The
Claypool Consolidated-B 24 12-023-00929Plugged InjectionPure Oil Company
Claypool Consolidated-B 58 12-023-00935Plugged InjectionPure Oil Company
Claypool Consolidated-B 50 12-023-00944Plugged InjectionPure Oil Company
Claypool Consolidated-B 62 12-023-00960Plugged Dry holePure Oil Company
Claypool Consolidated-B 69 12-023-00987Plugged InjectionPure Oil Company
Claypool Heirs 1 12-023-01401-0200Plugged OilBanks, Leonard S.
Claypool Heirs 2 12-023-03236Plugged GasBanks, Leonard S.
Claypool, D. 2 12-023-02963Plugged DisposalRamsey, William
Claypool, David 19 12-023-00034Plugged OtherPure Oil Company
Claypool, David 20 12-023-00035Plugged OtherPure Oil Company
Claypool, David 15 12-023-01613Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 1 12-023-01599Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 2 12-023-01600Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 4 12-023-01602Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 5 12-023-01603Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 6 12-023-01604Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 8 12-023-01606Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 9 12-023-01607Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 11 12-023-01609Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 12 12-023-01610Plugged OilThe Pure Oil Company
Claypool, David (Tr. 65A) 13 12-023-01611Plugged OilThe Pure Oil Company
Claypool, Essie 1 12-023-01514Plugged Dry holeClaypool, Lester
Claypool, George 1 12-023-00204Plugged Dry holeOhio Oil Co., The
Coats 1-A 12-023-25476Plugged OilMonrae Oil & Gas, Ltd.
Coats 2-A 12-023-25477Plugged OilMonrae Oil & Gas, Ltd.
Coats, T. 2-C 12-023-25426Plugged OilPartlow, Marion Oil Prod.
Coats, Thomas 1 12-023-23914Plugged OilMilam, M. C.
Coats, Thomas 2 12-023-23915Plugged OilMilam, M. C.
Coats, Tom 3 12-023-24299-0100Plugged DisposalPartlow, Marion
Coats, Tom 4 12-023-24351Plugged OilPartlow, Marion Oil Prod
Coats, Tom 4 12-023-24351-0100Plugged DisposalPartlow, Marion Oil Prod
Coldren, H.O. 1 12-023-00001Plugged Dry holeTexas Inc
Cole 3 12-023-00879Plugged OilDayton, Ward W.
Cole 1 12-023-01131Plugged Dry holePinkston, Jacob L.
Cole 1 12-023-01843Plugged Dry holeHarris Oil & Fortney, Del
Cole 1 12-023-01844Plugged Dry holeMilam, M. C.
Cole & Cole 1 12-023-01336Plugged Dry holeM & E Drilling Co.
Cole & Daley O-1 12-023-00684Plugged OilC. L. McMahon, Inc.
Cole & Daley M-7 12-023-01399Plugged InjectionC. L. McMahon, Inc.
Cole & Daley M-8 12-023-01552Plugged InjectionC. L. McMahon, Inc.
Cole & Daley M-9 12-023-02443Plugged InjectionC. L. McMahon, Inc.
Cole & Daley L-7A 12-023-02444Plugged InjectionC. L. McMahon, Inc.
Cole & Daley 2 12-023-02445Plugged OilC. L. McMahon, Inc.
Cole & Daly 3 12-023-01551-0100Plugged OilC. L. McMahon, Inc.
Cole, F. 1 12-023-01154Plugged OilDayton, Ward W.
Cole, Fenton 1 12-023-00080Plugged Dry holeGallatin, Grant
Cole, Fenton 2-F-O 12-023-00083Plugged Dry holeStohr Bros & Co
Cole, Frank 10 12-023-25805Plugged OilKnierim, Max Inc.
Cole, Frank 27 12-023-25808Plugged OilKnierim, Max Inc.
Coleman 1 12-023-24602Plugged UnknownGalloway, David

← Previous Next →