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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
Atkins, Harry 1 12-023-00672Status not reported Water supplyLewis, J. W. & Dewey, D. R.
Atkins, J 4 12-023-04593Status not reported Unknown—
Atkins, J. 9 12-023-00090Status not reported OilOhio Oil Co., The
Atkins, J. 7 12-023-01964Plugged Dry holeOhio Oil Co., The
Atkins, J.W. 8 12-023-00089Status not reported OilOhio Oil Company, The
Atkins, J.W. 10 12-023-00091Status not reported OilOhio Oil Co., The
Atkins, J.W. 11 12-023-00092Status not reported OilOhio Oil Company
Atkins, J.W. 12 12-023-00093Status not reported OilOhio Oil Co., The
Auld 1 12-023-01039Status not reported OilThomas G. Forsythe Co.
Auld 2 12-023-01040Status not reported OilThomas G. Forsythe Co.
Auld 3 12-023-01332Plugged OilFear & Duncan
Auld 4 12-023-02947Status not reported 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 1-T 12-023-23863Status not reported OilFear & Duncan
Auld 5 12-023-24844Plugged OilDuncan Oil Company
Auld 6 12-023-26850Status not reported OilReynolds, Lucille G.
Auld 7 12-023-26851Status not reported OilReynolds, Lucille G.
Auld 8 12-023-26902Status not reported OilReynolds, Lucille G.
Auld 9 12-023-26903Status not reported OilReynolds, Lucille G.
Auld 10 12-023-26937Status not reported OilReynolds, Lucille G.
Auld 3-T 12-023-26938-0200Permitted UnknownReynolds, Steven L.
Auld 12 12-023-26939-0100Status not reported OilReynolds, Lucille G.
Auld 1-W 12-023-26961Status not reported InjectionReynolds, Lucille G.
Auld 2-W 12-023-27402Status not reported OilReynolds, Steven L.
Auld 2-W 12-023-27402-0100Permitted UnknownReynolds, Steven L.
Auld 13 12-023-27532Status not reported OilReynolds, Steven L.
Auld 2-T 12-023-27534Status not reported OilReynolds, Steven L.
Auld, E.R. 13-0-0 12-023-00094Status not reported UnknownTrenton Rock Oil & Gas
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, E.R. 8 12-023-01972Status not reported OilTrenton 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 4 12-023-03504Status not reported OilWatters & Wright
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
BAIR, CHARLES 1 12-023-04803Status not reported UnknownOhio Oil Co., The
BAIR, CHARLES 2 12-023-04804Status not reported Unknown—
BAIR, CHARLES 3 12-023-04805Status not reported Unknown—
BAIR, CHARLES 4 12-023-04806Status not reported UnknownOhio Oil Co., The
BAIR, CHARLES 5 12-023-04807Status not reported UnknownOhio Oil Co., The
BAIR, CHARLES 5 12-023-04808Status not reported UnknownOhio Oil Co., The
BAIR, CHARLES 7 12-023-04809Status not reported UnknownOhio Oil Co., The
BAIR, CHARLES 8 12-023-04810Status not reported UnknownOhio Oil Co., The
BAIRD 1 12-023-04575Status not reported Unknown—
BAIRD 2 12-023-04576Status not reported Unknown—
BAIRD 4 12-023-04577Status not reported Unknown—
BAKER, NETTIE 1 12-023-04605Status not reported Unknown—
BARBEE, CL 1 12-023-06695Plugged Dry hole—
BARBEE, CL 2 12-023-06696Plugged Dry hole—
BARBEE, CL 12-023-06697Status not reported Unknown—
BARBEK, AM 1 12-023-06537Status not reported Unknown—
BARBEL, C 1 12-023-06524Status not reported UnknownWabash
BARBEL, C 2 12-023-06525Status not reported UnknownWabash
BARBEL, FLOYD 1 12-023-06526Status not reported Unknown—
BARBEL, FLOYD 2 12-023-06527Status not reported UnknownWabash
BARBEL, TAYLOR 1 12-023-06528Status not reported Unknown—
BARBEL, TAYLOR 2 12-023-06529Status not reported Unknown—
BARBEL, TAYLOR 1 12-023-06542Status not reported Unknown—
BARBER, AM 1 12-023-06539Status not reported UnknownWabash
BARBER, AT 1 12-023-06538Status not reported UnknownOhio Oil Co., The
BARR RL 3 12-023-04606Status not reported Unknown—
BARR RL 4 12-023-04607Status not reported UnknownEllis & Meyers
BAXTER, J 1 12-023-04147Status not reported UnknownOhio Oil Co., The
BAXTER, J 2 12-023-04148Plugged Dry holeOhio Oil Co., The
BEALSEY, 1 12-023-06313Plugged Dry holeOhio Oil Co., The
BEALSEY, A 2 12-023-06314Status not reported UnknownOhio Oil Co., The
BEAN 1 12-023-03965Plugged Dry holeKeith & Rhodes
BEAN 2 12-023-03966Plugged Dry holeKeith & Rhodes
BEAN, V 2 12-023-03967Status not reported UnknownOhio Oil Co., The
BEAN, V 3 12-023-03968Status not reported UnknownOhio Oil Co., The
BEAN, V 4 12-023-03969Plugged Dry holeOhio Oil Co., The
BEAN, V 5 12-023-03970Plugged Dry holeOhio Oil Co., The
BEAN, V 6 12-023-03971Status not reported UnknownOhio Oil Co., The
BEAN, V 7 12-023-03972Status not reported UnknownOhio Oil Co., The
BEAN, V 8 12-023-03973Status not reported UnknownOhio Oil Co., The
BEAN, V 9 12-023-03974Status not reported UnknownOhio Oil Co., The
BEAN, V 10 12-023-03975Plugged Dry holeOhio Oil Co., The
BEAN, V 12-023-03976Status not reported UnknownOhio Oil Co., The
BEAN, V 12-023-03977Status not reported UnknownOhio Oil Co., The
BEAN, V 12-023-03978Status not reported UnknownOhio Oil Co., The
BEAN, VB 1 12-023-03964Status not reported Unknown—
BEAN, VB 14 12-023-03980Status not reported UnknownOhio Oil Co., The
BEAN, VB 15 12-023-03981Status not reported UnknownOhio Oil Co., The
BEAN, VB 16 12-023-03982Status not reported UnknownOhio Oil Co., The
BEAN, VB 18 12-023-03983Status not reported UnknownOhio Oil Co., The
BEAN, VB 19 12-023-03984Status not reported UnknownOhio Oil Co., The
BEAN, VB 20 12-023-03985Status not reported UnknownOhio Oil Co., The
BEAN, VB 21 12-023-03986Status not reported UnknownOhio Oil Co., The
BEAN, VB 22 12-023-03987Status not reported UnknownOhio Oil Co., The
BEAN, VB 23 12-023-03988Status not reported UnknownOhio Oil Co., The

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