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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
Bennett, Jean 6-P 12-023-00726Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, Jean 5-P 12-023-00727Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, Jean 4-P 12-023-00728Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, Jean 2-P 12-023-00729Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, Jean 1 12-023-00730Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, Jean 1 12-023-23762Plugged OtherFroderman, G.H. & Connelly, Everett
Bennett, Jean 3 12-023-23763Plugged OtherFroderman, G.H. & Connelly, Everett
Bennett, Jean 6 12-023-23764Plugged OtherFroderman, G.H. & Connelly, Everett
Bennett, Nora 2 12-023-01327Plugged Dry holeRappe, Thomas C.
Bennett, Nora E. 1 12-023-01307Plugged OilRappe, Thomas C.
Bennett, Nora E. Estate 1 12-023-03084Plugged OilZenith Oil Corp
Bennett, Norman 1 12-023-01649-0100Plugged Dry holeCasteel, A. B.
Bennett, R. O-5 12-023-00370Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, R. O-4 12-023-00371Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, R. O-3 12-023-00372Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, R. O-6 12-023-00497Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, R. W-4 12-023-00722Plugged InjectionFroderman, G.H. & Connelly, Everett
Bennett, R. W-2 12-023-00723Plugged InjectionFroderman, G.H. & Connelly, Everett
Bennett, R. 7 12-023-01282Plugged OilConley & Froderman
Bennett, R. 3 12-023-01650Plugged InjectionFroderman, G.H. & Connelly, Everett
Bennett, R. W-5 12-023-01651Plugged InjectionFroderman, G.H. & Connelly, Everett
Bennett, R. W-6 12-023-01652Plugged InjectionFroderman, G.H. & Connelly, Everett
Bennett, R. G-1 12-023-02067Plugged OilConley & Froderman
Bennett, R. B-1 12-023-03662Plugged Dry holeAmerican Pump & Supply Company
Bennett, Ralph 1 12-023-00040Plugged Dry holeTarble, Van
Bennett, Ralph 1 12-023-00724Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, Ralph W-7 12-023-01268Plugged InjectionConley & Froderman
Bennett, Ralph 2-P 12-023-01402Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, Ralph 1-W 12-023-01403-0100Plugged InjectionFroderman, G.H. & Connelly, Everett
Bennett, Ralph 1 12-023-01653Plugged GasBennett, Ralph
Bennett, Ralph A-1 12-023-03630Plugged OilAmerican Pump & Supply Company
Bennett, Ralph PB 1 12-023-03661Plugged Dry holeAmerican Pump & Supply Company
Bennett, Reo P-2 12-023-00988Plugged OilConley & Froderman
Bennett, Rheo W-1 12-023-00400Plugged InjectionFroderman, G.H. & Connelly, Everett
Bennett, Rheo 1-P 12-023-00721Plugged OilFroderman, G.H. & Connelly, Everett
Bennett, T 4 12-023-04055Plugged Dry hole—
Bennett, T. H. 1 12-023-26150Plugged OtherPure Oil Company
Bennett, T.H. 3 12-023-01731Plugged UnknownThe Pure Oil Company
Bennett, T.H. A-1 12-023-01776Plugged OilPure Oil Company
Bennett, T.H. A-2 12-023-01777Plugged OilPure Oil Company
Bennett, T.N. A-3 12-023-01778Plugged OilPure Oil Company
Bennett, Vess 1-B 12-023-00667Plugged Dry holeClaypool Drilling Company
Bennett, Vess 1 12-023-01237Plugged Dry holeBennett, Vess
Bennett, Vess 2 12-023-01238Plugged Dry holeBennett, Vess
Bennett, Vess 1 12-023-02908Plugged OilGroff, L. L.
Bennett, Vess 3 12-023-02998Plugged Dry holeSands Oil Corporation
Bennett-Cummins Community 1-A 12-023-25447Plugged OilMonrae Oil & Gas, Ltd.
Bennett-Cummins Community 2-A 12-023-25448Plugged Dry holeMonrae Oil & Gas, Ltd.
Bercaw, A.F. 1 12-023-03657Plugged Dry holePioneer Oil & Gas
Berner 1 12-023-24067Plugged Dry holeAdams, Harry J.
Bierbaum 1 12-023-01328Plugged Dry holeBrinkley, James H.
Biggs 1 12-023-01363Plugged OilMcMahon, Wallace
Biggs 36-W 12-023-24950-0100Plugged UnknownHuff Drilling Co., Inc.
Biggs 71 12-023-25064Plugged OilHuff Drilling Co., Inc.
Biggs 354 12-023-26649-0100Plugged UnknownHorizontal Systems, Inc.
Biggs 1 12-023-26936Plugged OilHorizontal Systems, Inc.
Biggs, Doit W-3 12-023-24540Plugged InjectionCentennial Energy, Inc.
Biggs, Doit 32 12-023-24946Plugged UnknownHuff Drilling Co., Inc.
Biggs, Doit 33 12-023-24947Plugged UnknownHuff Drilling Co., Inc.
Biggs, Doit 34 12-023-24948Plugged UnknownHuff Drilling Co., Inc.
Biggs, Doit 35 12-023-24949Plugged UnknownHuff Drilling Co., Inc.
Biggs, H. 1 12-023-00239Plugged OilAllen & Sherritt
Biggs, H. 6 12-023-27066Plugged Dry holeSunset Oil Co., Inc.
Biggs, H. 7 12-023-27067Plugged Dry holeSunset Oil Co., Inc.
Biggs, Herbert 1 12-023-01354Plugged OilRappe, Thomas C.
Biggs, Herbert 2 12-023-01367Plugged OilRappe, Thomas C.
Biggs, R. L. 4 12-023-01456Plugged Dry holeRappe, Thomas C.
Biggs, R. L. 1 12-023-25813Plugged OilKnierim, Max Inc.
Biggs, R.L. 1 12-023-01223Plugged Dry holeRichardson, M. H.
Biggs, R.L. 1 12-023-01223-0200Plugged DisposalRappe, Thomas C.
Biggs, R.L. 2 12-023-01321Plugged OilRappe, Thomas C.
Biggs, R.L. 3 12-023-01350Plugged OilRappe, Thomas C.
Biggs, R.L. 1 12-023-02983Plugged OilPaxson, Perry E.
Birchfield, Gus 1 12-023-03285Plugged Dry holeWatters & Wright
Birchfield-Shumaker Community 1 12-023-03188Plugged Dry holeShure Oil Corp.
Bishop 1 12-023-03119Plugged Dry holeFlesner, Henry J.
Bishop 1 12-023-25711Plugged Dry holeWallace, Kenneth A.
Bishop etal 1 12-023-25053Plugged Dry holeTriple C Oil Producers, Inc.
Bishop, Ed 1 12-023-00305Plugged Dry holePeek John T
Black 7 12-023-25635Plugged OilDillier and Co., Inc.
Black 8 12-023-25691Plugged OilDillier & Knierim Co., Inc.
Black 9 12-023-25692Plugged OilDillier & Knierim Co., Inc.
Black 10 12-023-25693Plugged OilDillier & Knierim Co., Inc.
Black, Bernard L. 1 12-023-01495Plugged OtherR. K. Petroleum Corp.
Black, Emily 1 12-023-00246Plugged Dry holeTrenton Rock Oil & Gas
Black, Emily 2 12-023-00247Plugged Dry holeTrenton Rock Oil & Gas
Black, Louise 1 12-023-00833Plugged Dry holeMid-Globe Oil Corp
Black, Louise 1 12-023-01156Plugged Dry holeCline, Frederick B.
Blakeman W-10 12-023-00492Plugged InjectionFroderman, G.H. & Connelly, Everett
Blakeman W-9 12-023-00493Plugged InjectionFroderman, G.H. & Connelly, Everett
Blakeman W-8 12-023-00494Plugged InjectionFroderman, G.H. & Connelly, Everett
Blakeman W-7 12-023-00495Plugged InjectionFroderman, G.H. & Connelly, Everett
Blakeman 2 12-023-00648Plugged OilIsaacson, Anna E.
Blakeman 18 12-023-03578Plugged OilAmerican Pump & Supply Company
Blakeman 22 12-023-03663Plugged OilAmerican Pump & Supply Company
Blakeman 19-W 12-023-03664Plugged UnknownAmerican Pump & Supply Company
Blakeman 1 12-023-23778Plugged InjectionIsaacson, Anna E.
Blakeman 2 12-023-23779Plugged InjectionIsaacson, Anna E.
Blakeman 3 12-023-23780Plugged InjectionIsaacson, Anna E.
Blakeman 4 12-023-23781Plugged InjectionIsaacson, Anna E.

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