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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
(no name) 12-023-00121Plugged Dry holeAlco Oil & Gas Corp.
(no name) 12-023-00291Plugged Dry holeAlco Oil & Gas Corp.
(no name) 12-023-03333Plugged Dry holeTri State Oil
(H & M ) E 3 12-023-24479Plugged DisposalEdwards, Ralph H.
(H & M) E 1 12-023-24322Plugged OilEdwards, Ralph H.
(H & M) E 3 12-023-24402Plugged Dry holeEdwards, Ralph H.
(H & M) E 3 12-023-24463Plugged DisposalEdwards, Ralph H.
1st Nat'l Bank Danville Tr. #5070 1 12-023-25577Plugged Dry holeL & J Oil & Gas, Inc.
1st Nat'l Bank of Danville Trstee 4 12-023-25584-0100Plugged ServiceAshley Oil, Inc.
1st Nat'l Bank of Danville Trstee 7 12-023-25589-0100Plugged ServiceAshley Oil, Inc.
1st Nat'l Bank of Danville Trstee 9 12-023-25590-0100Plugged ServiceAshley Oil, Inc.
1st Nat'l Bank of Danville Trstee 8 12-023-25595-0100Plugged ServiceAshley Oil, Inc.
1st Nat'l. Bank Danville Trust 1 12-023-25570Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 2 12-023-25585Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 3 12-023-25586Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 5 12-023-25587Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 6 12-023-25588Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 2-H 12-023-25650Plugged OilL & J Oil Producers, Inc.
ALBIRHGT, SARA 1 12-023-04123Plugged Dry holeOhio Oil Co., The
ALBIRHGT, SARA 2 12-023-04124Plugged Dry holeOhio Oil Co., The
ALBIRHGT, SARA 4 12-023-04125Plugged Dry holeOhio Oil Co., The
ALBRIGHT, SJ 5 12-023-04110Plugged Dry holeOhio Oil Co., The
ALBRIGHT, SL 3 12-023-04146Plugged Dry holeOhio Oil Co., The
ARNOLD, O 1 12-023-04718Plugged Dry holeOhio Oil Co., The
ASHLEY, J 3 12-023-04995Plugged Dry hole—
ASHLEY, J 4 12-023-04996Plugged Dry hole—
ASHLEY, J 6 12-023-04997Plugged Dry hole—
Aetna Life Ins Co. 1 12-023-00232Plugged Dry holeBancroft, Lincoln
Alexander, Carrie C. 1-A 12-023-03148Plugged Dry holeEager, Charles W.
Alexander, Carrie C. 3-A 12-023-03162Plugged Dry holeEager, Charles W.
Alexander, Carrie C. 2-A 12-023-03166Plugged Dry holeEager, Charles W.
Alexander, Charles Comm. 1 12-023-24361Plugged OilB & W Drilling
Allan 1 12-023-00543Plugged Dry holeSchultz, John H.
Allan 2 12-023-00551Plugged OilSiemer, Quintin
Allen, S.B. Est 1 12-023-03494Plugged Dry holeFirman Equip Corp
Apple 1 12-023-24836Plugged Dry holeGalloway, David
Apple, R.E. 1-P 12-023-01765Plugged OilFroderman, G.H. & Connelly, Everett
Apple, R.E. 2-W 12-023-01766Plugged OilFroderman, G.H. & Connelly, Everett
Applegate 1 12-023-01922Plugged OilGallatin, Grant
Applegate 2 12-023-01923Plugged Dry holeGallatin, Grant
Applegate, Glen & Myron 1 12-023-24141Plugged Dry holeApplegate, Glen & Myron
Applegate, R.C. 1 12-023-01767Plugged OilPure Oil Company
Applegate, R.C. 2 12-023-01768Plugged Dry holePure Oil Company
Applegate-Gross SWD 1 12-023-24420Plugged InjectionAssociated Minerals, Inc
Arney, Virgil 1 12-023-01448Plugged Dry holeZink, Earnest
Athey 1 12-023-00812Plugged Dry holeFoster J Thompson J
Atkins 2 12-023-00557Plugged Dry holeLewis, J. W. & Dewey, D. R.
Atkins 1 12-023-00785-0100Plugged DisposalFear & Duncan Oil Prod.
Atkins, J. 7 12-023-01964Plugged Dry holeOhio Oil Co., The
Auld 3 12-023-01332Plugged OilFear & Duncan
Auld 4 12-023-02947-0100Plugged InjectionFear & Duncan
Auld 1 12-023-03124Plugged OilFasig, Wiley
Auld 2 12-023-03192Plugged OilWatters, Charles
Auld 5 12-023-24844Plugged OilDuncan Oil Company
Auld, E.R. 1 12-023-01965Plugged OilTrenton Rock Oil & Gas
Auld, E.R. 2 12-023-01966Plugged OilTrenton Rock Oil & Gas
Auld, E.R. 3 12-023-01967Plugged Dry holeTrenton Rock Oil & Gas
Auld, E.R. 4 12-023-01968Plugged Dry holeTrenton Rock Oil & Gas
Auld, E.R. 5 12-023-01969Plugged Dry holeTrenton Rock Oil & Gas
Auld, E.R. 6 12-023-01970Plugged Dry holeTrenton Rock Oil & Gas
Auld, E.R. 7 12-023-01971Plugged Dry holeTrenton Rock Oil & Gas
Auld, Nelson Lee 1 12-023-00978Plugged OilFear, Herbert E.
Auld, Nelson Lee 2 12-023-01037Plugged OilFear, Herbert E.
Auld, Stanley 6 12-023-03506Plugged OilWatters & Wright
Auld, Stanley 1 12-023-24616Plugged OilReynolds, William M.
Auld, Stanley etal (WI) 1-A 12-023-03182Plugged OilWatters, Charles
Auld,Ernest-Core Hole "C" W-1 12-023-01973Plugged OtherMagnolia Petroleum Company
BARBEE, CL 1 12-023-06695Plugged Dry hole—
BARBEE, CL 2 12-023-06696Plugged Dry hole—
BAXTER, J 2 12-023-04148Plugged Dry holeOhio Oil Co., The
BEALSEY, 1 12-023-06313Plugged Dry holeOhio Oil Co., The
BEAN 1 12-023-03965Plugged Dry holeKeith & Rhodes
BEAN 2 12-023-03966Plugged Dry holeKeith & Rhodes
BEAN, V 4 12-023-03969Plugged Dry holeOhio Oil Co., The
BEAN, V 5 12-023-03970Plugged Dry holeOhio Oil Co., The
BEAN, V 10 12-023-03975Plugged Dry holeOhio Oil Co., The
BEAN, VB 25 12-023-03990Plugged Dry holeOhio Oil Co., The
BEAN, VB 30 12-023-03995Plugged Dry holeOhio Oil Co., The
BEASLEY 1 12-023-03943Plugged Dry hole—
BEASLEY, A 1 12-023-03703Plugged Dry holeOhio Oil Co., The
BEASLEY, W 1 12-023-03945Plugged Dry hole—
BENNETT 11 12-023-04198Plugged UnknownOhio Oil Co., The
BENNETT, E 11 12-023-04292Plugged UnknownOhio Oil Co., The
BENNETT, JP 9 12-023-04151Plugged UnknownOhio Oil Co., The
BENNETT, M 1 12-023-04185Plugged Dry holeOhio Oil Company
BENNETT, T 11 12-023-04051Plugged Dry hole—
BLAKEMAN, C M 3 12-023-03715Plugged Dry holeOhio Oil Co., The
BLAKEMAN, CM 5 12-023-03717Plugged Dry holeOhio Oil Co., The
BLAKEMAN, HF 2 12-023-04058Plugged Dry holeOhio Oil Co., The
BLAKEMAN, HF 3 12-023-04059Plugged Dry holeOhio Oil Co., The
BLAKEMAN, HF 4 12-023-04060Plugged Dry holeOhio Oil Co., The
BLANKUBAKER, E 12 12-023-04205Plugged UnknownOhio Oil Co., The
BLANKUBAKER, E 9 12-023-04211Plugged UnknownOhio Oil Co., The
BLANKUBAKER, E 10 12-023-04212Plugged UnknownOhio Oil Co., The
BLANKUBAKER, E 5 12-023-04213Plugged UnknownOhio Oil Co., The
BLANKUBAKER, E 2 12-023-04214Plugged UnknownOhio Oil Co., The
BLANKUBAKER, E 1 12-023-04216Plugged UnknownOhio Oil Co., The
BLISS, GW 1 12-023-04379Plugged Dry holeOhio Oil Co., The
BR0SSMAN, A 7 12-023-04614Plugged Dry hole—
BRAND, AD 1 12-023-06443Plugged Dry holeOhio Oil Co., The

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