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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
Blakeman 5 12-023-23782Plugged InjectionIsaacson, Anna E.
Blakeman 6 12-023-23783Plugged InjectionIsaacson, Anna E.
Blakeman, C. M. 1 12-023-26717Plugged UnknownMoreland, Lewis
Blakeman, C.M. 3 12-023-01119Plugged Dry holeKling, L. D.
Blakeman, C.M. 5 12-023-01235Plugged Dry holeRoss Lynn E
Blakeman, C.M. 4 12-023-01545Plugged Dry holeKling, L. D.
Blakeman, C.M. 4 12-023-03716Plugged Dry holeOhio Oil Co., The
Blakeman, V. 12 12-023-00561Plugged InjectionFroderman, G.H. & Connelly, Everett
Blakeman, V. O-15 12-023-01296Plugged OilConley & Froderman
Blakeman, V. O-16 12-023-01297Plugged OilConley & Froderman
Blakeman, V. W-13 12-023-01654Plugged InjectionConley & Froderman
Blakeman, V. 14-P 12-023-02068Plugged OilConley & Froderman
Blakeman, V. W-15 12-023-02079Plugged InjectionConley & Froderman
Blakeman, V. W-16 12-023-02080Plugged InjectionConley & Froderman
Blakeman, Veral 1 12-023-01430Plugged Dry holeWagstaff, Chester
Blakeman, Veral Z. 1 12-023-01548Plugged Dry holeIsaacson, Anna E.
Blakeman, Virgil 1 12-023-00041-0100Plugged OilGallatin & Phillips
Blakeman, Virgil 13 12-023-01104Plugged Dry holeConley & Froderman
Blakeman, Virgil O-17 12-023-01371Plugged OilFroderman, G.H. & Connelly, Everett
Blakeman, Virgil 2 12-023-01655-0100Plugged OilIsaacson, G. A.
Blakeman, Virgil 3 12-023-01656-0100Plugged OilIsaacson, G. A.
Blakeman, Virgil 4 12-023-01657-0100Plugged OilIsaacson, G. A.
Blakeman, Virgil 5 12-023-01658-0100Plugged OilIsaacson, G. A.
Blakeman, Virgil 7 12-023-01659Plugged InjectionIsaacson, Anna E. Oil Co.
Blakeman, Virgil 8 12-023-01660-0100Plugged OilLamb, Boyd & Brown
Blakeman, Virgil 6 12-023-01688-0100Plugged OilIsaacson, G. A.
Blankenbecker 1 12-023-00666Plugged Dry holeHill, J. A.
Blankenbecker, H. 1 12-023-01069Plugged Dry holeKnierim & Wirth
Blankenbeker, E. L0-19 12-023-02550Plugged InjectionForest Oil Corporation
Blankenbeker, E. L0-18 12-023-02551Plugged InjectionForest Oil Corporation
Blankenbeker, E. LO-17 12-023-02552Plugged InjectionForest Oil Corporation
Blankenbeker, E. K-18 12-023-02554Plugged OilForest Oil Corporation
Blankenbeker, E. K-17 12-023-02555Plugged OilForest Oil Corporation
Blankenship, Alton 1 12-023-00859Plugged Dry holeCline, Frederick B.
Block, T.W. 1 12-023-03171Plugged Dry holeFaulkner, C. M.
Blockinger, Austin 1 12-023-03134Plugged OtherSun Production Co (Sun Oil)
Blockinger, John 1 12-023-03133Plugged OtherSun Production Co (Sun Oil)
Blue Mound Farm 6-A 12-023-00564Plugged InjectionForest Oil Corporation
Blue Mound Farm KO-16 12-023-01407Plugged InjectionForest Oil Corporation
Blue Mound Farm KO-15 12-023-01438Plugged InjectionForest Oil Corporation
Blue Mound Farm LO-16 12-023-01439Plugged InjectionForest Oil Corporation
Blue Mound Farm K-15 12-023-01440Plugged OilForest Oil Corporation
Blue Mound Farm LO-15 12-023-01441Plugged InjectionForest Oil Corporation
Blue Mound Farm 29-1C 12-023-27026Plugged OilHorizontal Systems, Inc.
Blue Mound Farms HO-14A 12-023-02602Plugged InjectionForest Oil Corporation
Blue Mound Farms HO-14 12-023-02614Plugged InjectionForest Oil Corporation
Blue Mound Farms, Inc. H-15 12-023-02601Plugged OilForest Oil Corporation
Blue Mound Farms, Inc. HO-16 12-023-02603Plugged InjectionForest Oil Corporation
Blue Mound Farms, Inc. F-15 12-023-02608Plugged OilForest Oil Corporation
Blue Mound Farms, Inc. G-14 12-023-02609Plugged OilForest Oil Corporation
Blue Mound Farms, Inc. GO-15 12-023-02610Plugged InjectionForest Oil Corporation
Blue Mound Farms, Inc. H-14 12-023-02611Plugged OilForest Oil Corporation
Blue Mound Farms, Inc. G-15 12-023-02612Plugged OilForest Oil Corporation
Blue Mound Farms, Inc. HO-15 12-023-02613Plugged OilForest Oil Corporation
Blue Mound Farms, Inc. JO-15 12-023-02615Plugged InjectionForest Oil Corporation
Blue Mound Farms, Inc. J-15 12-023-02812Plugged OilForest Oil Corporation
Blue Mounds Farm 5-A 12-023-00563Plugged InjectionForest Oil Corporation
Blue Mounds Farm 2 12-023-03314Plugged OtherForest Oil Corporation
Blue Mounds Farm Inc. 1 12-023-03313Plugged OtherForest Oil Corporation
Blue Mounds Farms 1-A 12-023-02604Plugged InjectionForest Oil Corporation
Blue Mounds Farms 3-A 12-023-02605Plugged InjectionForest Oil Corporation
Blue Mounds Farms 2-A 12-023-02606Plugged InjectionForest Oil Corporation
Blue Mounds Farms 4-A 12-023-02607Plugged InjectionForest Oil Corporation
Blue Mounds Farms Inc. 1 12-023-01431Plugged Dry holeFroderman, Etal
Blue Mounds Farms, Inc. 1 12-023-02806Plugged OilFroderman, G. H.
Bohn Heirs 1 12-023-01263Plugged Dry holeVandenbark, James H.
Booth 1 12-023-00248Plugged OilMiller W R
Booth 1 12-023-02767Plugged Dry holeGrabowski Diane
Booth 1 12-023-03456Plugged Dry holeForest Oil Corporation
Booth 2 12-023-03457Plugged Dry holeForest Oil Corporation
Booth 3 12-023-03458Plugged Dry holeForest Oil Corporation
Booth, Edwin 1-B 12-023-01315Plugged OilShure Oil Corp.
Booth, Edwin E-1 12-023-01412-0100Plugged InjectionA. M. A. Oil Co.
Booth-Fenton-True 1 12-023-00249Plugged Dry holeYeager Morris V
Booth-Poorman 2-B-W 12-023-00251Plugged Dry holeStohr Bros & Co
Booth-Poorman 1 12-023-01183Plugged Dry holeKingwood Oil Co.
Boyd 2 12-023-02009Plugged OilGreene, Gordon G.
Boyd, Jesse A. 1-M 12-023-24292Plugged OilAshley Oil, Inc.
Boyd,Jesse A. 2-M 12-023-24293Plugged OilAshley Oil, Inc.
Boyer 1 12-023-26948Plugged Dry holeMDM Energy, Inc.
Boyer, Ella 1 12-023-01197Plugged Dry holeLambert, Davis
Boyer, Ella 3 12-023-01198Plugged Dry holeZink, Earnest
Boyer, Robert 1 12-023-03138Plugged Dry holeMt. Carmel Drilling Company
Bradford 1 12-023-00877Plugged Dry holeSutton, Kellie R.
Bradford 1 12-023-01314Plugged OilGray, Henry M.
Bradford 2 12-023-24428Plugged GasZink, Earnest
Bradford 4 12-023-25417Plugged Dry holeZink, Earnest
Bradford, Eugene B. 1 12-023-01314-0100Plugged UnknownGray, Henry M.
Bradford, Eugene B. 1 12-023-02846Plugged Dry holeJohnson, B. W.
Bradford, Eugene B. 2 12-023-24177Plugged UnknownGray, Henry M.
Brant, Z. E. LO-16 12-023-02568Plugged InjectionForest Oil Corporation
Brant, Z. E. LO-15 12-023-02571Plugged InjectionForest Oil Corporation
Brant, Z. E. (S. Johnson) KO-15 12-023-02566Plugged InjectionForest Oil Corporation
Brant, Z.E. 16 12-023-00055Plugged Dry holeOhio Oil Company
Brant, Z.E. JO-16 12-023-02564Plugged InjectionForest Oil Corporation
Brant, Z.E. JO-17 12-023-02565Plugged InjectionForest Oil Corporation
Brant, Z.E. (S. Johnson) KO-17 12-023-02562Plugged InjectionForest Oil Corporation
Brant, Z.E. (S. Johnson) K0-16 12-023-02567Plugged InjectionForest Oil Corporation
Bray 1 12-023-00387Plugged Dry holePeters, Jr., Alexander
Bray, Mary E. 1 12-023-00387-0100Plugged Dry holeRyan, John H.

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