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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
BEAN, VB 24 12-023-03989Status not reported UnknownOhio Oil Co., The
BEAN, VB 25 12-023-03990Plugged Dry holeOhio Oil Co., The
BEAN, VB 26 12-023-03991Status not reported UnknownOhio Oil Co., The
BEAN, VB 27 12-023-03992Status not reported UnknownOhio Oil Co., The
BEAN, VB 28 12-023-03993Status not reported UnknownOhio Oil Co., The
BEAN, VB 29 12-023-03994Status not reported UnknownOhio 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, TA 1 12-023-05175Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 2 12-023-05176Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 3 12-023-05177Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 4 12-023-05178Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 5 12-023-05179Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 6 12-023-05180Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 7 12-023-05181Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 8 12-023-05182Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 9 12-023-05183Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 10 12-023-05184Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 11 12-023-05185Status not reported UnknownOhio Oil Co., The
BEASLEY, TA 12 12-023-05186Status not reported UnknownOhio Oil Co., The
BEASLEY, W 1 12-023-03945Plugged Dry hole—
BELL & GOBLE 10 12-023-05433Status not reported UnknownAssociated Oil Production Co.
BELL & GOBLE 9 12-023-05434Status not reported UnknownAssociated Oil Production Co.
BELL & GOBLE 11 12-023-05435Status not reported UnknownAssociated Oil Production Co.
BELL & GOBLE 12 12-023-05436Status not reported UnknownAssociated Oil Production Co.
BENNETT 11 12-023-04198Plugged UnknownOhio Oil Co., The
BENNETT, E 2 12-023-04289Status not reported UnknownOhio Oil Co., The
BENNETT, E 9 12-023-04291Status not reported UnknownOhio Oil Co., The
BENNETT, E 11 12-023-04292Plugged UnknownOhio Oil Co., The
BENNETT, J 12 12-023-04202Status not reported UnknownOhio Oil Co., The
BENNETT, J 13 12-023-04203Status not reported UnknownOhio Oil Co., The
BENNETT, JP 3 12-023-04149Status not reported UnknownOhio Oil Co., The
BENNETT, JP 9 12-023-04151Plugged UnknownOhio Oil Co., The
BENNETT, JP 10 12-023-04152Status not reported UnknownOhio Oil Co., The
BENNETT, M 1 12-023-04185Plugged Dry holeOhio Oil Company
BENNETT, T 5 12-023-04046Status not reported Unknown—
BENNETT, T 6 12-023-04047Status not reported Unknown—
BENNETT, T 8 12-023-04048Status not reported Unknown—
BENNETT, T 9 12-023-04049Status not reported Unknown—
BENNETT, T 10 12-023-04050Status not reported Unknown—
BENNETT, T 11 12-023-04051Plugged Dry hole—
BENNETT, T 19 12-023-04052Status not reported Unknown—
BENNETT, T 2 12-023-04053Status not reported Unknown—
BENNETT, T 3 12-023-04054Status not reported Unknown—
BENNETT, T 7 12-023-04056Status not reported Unknown—
BENNETT. NR 1 12-023-06546Status not reported UnknownOhio Oil Co., The
BERKELY HRS 1 12-023-06009Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 2 12-023-06010Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 3 12-023-06011Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 4 12-023-06012Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 5 12-023-06013Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 6 12-023-06014Status not reported Unknown—
BERKELY HRS 7 12-023-06015Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 8 12-023-06016Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 9 12-023-06017Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 10 12-023-06018Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 11 12-023-06019Status not reported Unknown—
BERKELY HRS 12 12-023-06020Status not reported UnknownAssociated Oil Production Co.
BERKELY HRS 14 12-023-06021Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 14 12-023-06022Status not reported Unknown—
BERKLEY HRS 15 12-023-06023Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 16 12-023-06024Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 18 12-023-06025Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 21 12-023-06026Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 24 12-023-06027Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 27 12-023-06028Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 28 12-023-06029Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 29 12-023-06030Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 30 12-023-06031Status not reported Unknown—
BERKLEY HRS 31 12-023-06032Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 32 12-023-06033Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 33 12-023-06034Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 35 12-023-06035Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 36 12-023-06036Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 37 12-023-06037Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 38 12-023-06038Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 39 12-023-06039Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 40 12-023-06040Status not reported UnknownAssociated Oil Production Co.
BERKLEY HRS 41 12-023-06042Status not reported Unknown—
BERKLEY HRS 44 12-023-06043Status not reported Unknown—
BERKLEY HRS 45 12-023-06044Status not reported Unknown—
BERKLEY HRS 46 12-023-06045Status not reported Unknown12/11/07
BERKLEY, WB 10 12-023-05998Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 11 12-023-05999Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 12 12-023-06000Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 13 12-023-06001Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 14 12-023-06002Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 15 12-023-06003Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 08 12-023-06004Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 14 12-023-06005Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 15 12-023-06006Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 21 12-023-06007Status not reported UnknownAssociated Oil Production Co.
BERKLEY, WB 46 12-023-06008Status not reported UnknownAssociated Oil Production Co.
BEST, WM 1 12-023-06560Status not reported UnknownOhio Oil Co., The
BIARD, CJ 1 12-023-04580Status not reported Unknown—
BIGELOW, A 1 12-023-05416Status not reported UnknownOhio Oil Co., The
BIGELOW, A 2 12-023-05417Status not reported UnknownOhio Oil Co., The
BIGELOW, A 3 12-023-05418Status not reported UnknownOhio Oil Co., The
BIGELOW, A 11 12-023-05419Status not reported UnknownOhio Oil Co., The

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