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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
Briggs, Clarence 1 12-023-00048Plugged Dry holeThompson, J. E.
Briggs, Clarence 1 12-023-00950Plugged Dry holeBarr, Hulah
Briggs, Clarence 1-A 12-023-01034Plugged GasBarr, Hulah
Briggs, F. 1-W 12-023-00718Plugged InjectionFroderman, G.H. & Connelly, Everett
Briggs, F. 1P 12-023-00719Plugged OilFroderman, G.H. & Connelly, Everett
Briggs, Flora 1 12-023-00042Plugged Dry holeMcNary & Wagoner
Briggs, Flora W-4 12-023-00716Plugged InjectionFroderman, G.H. & Connelly, Everett
Briggs, Flora 2-P 12-023-00720Plugged OilFroderman, G.H. & Connelly, Everett
Briggs, Harold 1 12-023-24615Plugged Dry holeTraub, John
Briggs, M. 1P 12-023-00715Plugged OilFroderman, G.H. & Connelly, Everett
Briggs, M. 1 12-023-27086Plugged Dry holeThird Day Oil and Gas, LLC
Briggs, M. 2 12-023-27087Plugged Dry holeThird Day Oil and Gas, LLC
Briggs, M. 1A-HOR 12-023-27533Plugged Dry holeIvy Illinois Operating Company, LLC
Briggs, Maurice 2-P 12-023-00714Plugged OilFroderman, G.H. & Connelly, Everett
Briggs, Maurice 1 12-023-01229Plugged Dry holeBennett, J. C.
Briggs, Vienna 2 12-023-04089Plugged Dry hole—
Briley, David-Trustee 1 12-023-01436Plugged Dry holeBean, Dale A.
Brimmer, 14 12-023-00030Plugged Dry holeTide Water Associated Oil Co.
Brimner, Charles H-15 12-023-00681Plugged InjectionTide Water Associated Oil Co.
Briscoe 1 12-023-00309Plugged OilHull H R
Bristow, Hattie 12-023-02808Plugged Dry holeAlco Oil & Gas Corp.
Broscoe, Lilly 1 12-023-00983Plugged Dry holeFaulkner, Charles
Brosman 1 12-023-01424Plugged Dry holeAnderson, Chester
Brosman 2-A 12-023-02060Plugged OilFear, Herbert E.
Brosman, Ann E. 1-A 12-023-02022Plugged OilFear, Herbert E.
Brosman, Anna 1 12-023-00860Plugged Dry holeNational Consumers Oil Co., Inc.
Brosman, Ira 3 12-023-00145Plugged Dry holeAlco Oil & Gas Corp.
Brosman, Ira W. 1 12-023-00143Plugged Dry holeIL Drlg. & Test Co.
Brosman, Ira W. 2 12-023-00144Plugged Dry holeIL Drlg. & Test Co.
Brosman, S.N. 18 12-023-00106Plugged Dry holeOhio Oil Co., The
Brossman 12 12-023-00100Plugged Dry holeOhio Oil Co., The
Brossman 15 12-023-00103Plugged Dry holeOhio Oil Co., The
Brown 5 12-023-00366Plugged Dry holeStates Oil Co.
Brown 6 12-023-02072Plugged Dry holeStates Oil Co.
Brown 7 12-023-02073Plugged Dry holeStates Oil Co.
Brown 1 12-023-02088Plugged Dry holeRichardson, M. H.
Brown W-5 12-023-02274Plugged OilAnderson, A. & Sutton, J.
Brown W-6 12-023-02275Plugged OilAnderson, A. & Sutton, J.
Brown W-7 12-023-02276Plugged OilAnderson, A. & Sutton, J.
Brown W-8 12-023-02277Plugged OilAnderson, A. & Sutton, J.
Brown 1 12-023-02279Plugged Dry holeStocker, F. R.
Brown 1 12-023-02690Plugged Dry holeWoltz, Eldon A.
Brown 11 12-023-02964Plugged Dry holeStates Oil Co.
Brown 1 12-023-03442Plugged OtherGreene, Gordon G.
Brown 7-A 12-023-23860Plugged Dry holeStates Oil
Brown 1 12-023-24311Plugged Dry holeKelly, John W.
Brown 2 12-023-24312Plugged OilKelly, John W.
Brown, John W. et al P.O. 51 12-023-03214Plugged InjectionForest Oil Corporation
Brown, Phillip & Carol 1 12-023-24649Plugged Dry holeKnierim Company, Inc.
Brown, Robert B. 1 12-023-02051-0100Plugged Dry holeStim Oil Company, Inc.
Bubeck 2 12-023-00002Plugged Dry holeMenhall, James W.
Bubeck 1 12-023-00639Plugged Dry holeCline, Frederick B.
Bubeck, B.V. 1 12-023-02031Plugged Dry holeHoagland Drilling Co.
Buckler 1-A 12-023-01044Plugged Dry holeZink, Earnest
Buckler 1 12-023-02873Plugged OilJohnson, B. W.
Buckler 2 12-023-02874Plugged Dry holeHesler, Frank
Buckler 3 12-023-02875Plugged Dry holeBuckler, Bruce
Buckler 1 12-023-02981Plugged Dry holeBeeson, Frank
Buckler 1 12-023-24685Plugged UnknownM.C.R. Limited
Buckler, Bruce E. 1 12-023-00318Plugged OilHesler, Frank
Buckner 2 12-023-03515Plugged OilHeiberger, Walter
Buckner 3 12-023-03564Plugged Dry holeHeiberger, Walter
Buckner 1 12-023-25896Plugged Dry holeWolf, Herman A.
Buckner, A. 1 12-023-00613Plugged Dry holeCarlson & Moschel Drlg.
Buckner, Allen 1 12-023-00511Plugged Dry holePartlow & Cochonour
Buckner, Allen 1 12-023-01230Plugged OilSteber, Elmer J.
Buckner, Clayton 2 12-023-01014Plugged Dry holeParker Brothers Drilling
Buckner, Clayton 1 12-023-01015Plugged Dry holeParker Brothers Drilling
Buckner, Earl & Kathy 4 12-023-24660Plugged Dry holeM & E Drilling Co.
Bumpus, Neal 1 12-023-24023Plugged Dry holeOilfield Research, Inc.
Burger 1 12-023-23769Plugged Dry holeEnglish, Richard S.
Burkybile 1 12-023-25229Plugged UnknownGreuel, James E.
Burner FI 22 12-023-24431Plugged Dry holeGary Energy Corp.
Burner, I. H. 6 12-023-01909Plugged OilOhio Oil Company
Burner, I.H. 06 12-023-00281Plugged InjectionForest Oil Corporation
Burner, I.H. 05 12-023-00282Plugged InjectionForest Oil Corporation
Burner, I.H. FO-24 12-023-01243Plugged InjectionForest Oil Corporation
Burner, I.H. 2 12-023-01907Plugged OilForest Oil Corporation
Burner, I.H. 4 12-023-01908Plugged OilForest Oil Corporation
Burner, I.H. 07 12-023-02557Plugged InjectionForest Oil Corporation
Burner, I.H. 013 12-023-02559Plugged InjectionForest Oil Corporation
Burner, I.H. HO-24 12-023-02560Plugged InjectionForest Oil Corporation
Burner, I.H. 011 12-023-02561Plugged InjectionForest Oil Corporation
Burner, I.H. (S. Johnson) JO-22 12-023-02556Plugged InjectionForest Oil Corporation
Burner, I.H. FP 22 12-023-24466Plugged Dry holeGary Energy Corp.
Burris 1 12-023-00043Plugged OtherNowels, K. B.
Burris, E. 1 12-023-00739Plugged OilFroderman, G.H. & Connelly, Everett
Burris, E. 2 12-023-01338Plugged Dry holeFroderman, G.H. & Connelly, Everett
Burris, James 1 12-023-04090Plugged Dry hole—
Burris, James 2 12-023-04091Plugged Dry hole—
Burris, John 1 12-023-24637Plugged Dry holeGaddis Oil & Gas Well Dr
Burriss 2 12-023-02051Plugged OilBennett, Glenn E.
Byrd et al 2 12-023-27071Plugged Dry holePioneer Oil Co., Inc.
CALLAHAN, DAN 12-023-05263Plugged Dry hole—
CARPER, WM 1 12-023-04627Plugged Unknown—
CARPER, WM 2 12-023-04628Plugged Unknown—
CHARLES PHILLIPS 3 12-023-03841Plugged Dry holeMarshall Oil & Gas
CHESHIRE, L 3 12-023-04158Plugged Dry holeOhio Oil Co., The
CHILD, N 5 12-023-04651Plugged Unknown—
CLAYPOOL JOE 2 12-023-04030Plugged Dry holeKeith & Rhodes

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