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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
BLANKUBAKER, E 2 12-023-04214Plugged UnknownOhio Oil Co., The
BLANKUBAKER, E 13 12-023-04215Status not reported 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 3 12-023-04611Status not reported Unknown—
BR0SSMAN, A 4 12-023-04612Status not reported Unknown—
BR0SSMAN, A 6 12-023-04613Status not reported Unknown—
BR0SSMAN, A 7 12-023-04614Plugged Dry hole—
BR0SSMAN, A 8 12-023-04615Status not reported Unknown—
BR0SSMAN, A 9 12-023-04616Status not reported Unknown—
BR0SSMAN, A 13 12-023-04617Status not reported UnknownOhio Oil Co., The
BR0SSMAN, A 14 12-023-04618Status not reported UnknownOhio Oil Co., The
BRAND, AD 1 12-023-06443Plugged Dry holeOhio Oil Co., The
BRAUT, ZE 1 12-023-04217Plugged UnknownOhio Oil Co., The
BRAUT, ZE 3 12-023-04218Plugged UnknownOhio Oil Co., The
BRAUT, ZE 9 12-023-04219Plugged UnknownOhio Oil Co., The
BRAUT, ZE 10 12-023-04220Plugged UnknownOhio Oil Co., The
BRAUT, ZE 2 12-023-04221Plugged UnknownOhio Oil Co., The
BRAUT, ZE 12 12-023-04222Plugged UnknownOhio Oil Co., The
BRAUT, ZE 11 12-023-04223Plugged UnknownOhio Oil Co., The
BRAUT, ZE 7 12-023-04224Status not reported UnknownOhio Oil Co., The
BRAUT, ZE 8 12-023-04225Plugged UnknownOhio Oil Co., The
BRAUT, ZE 14 12-023-04226Plugged UnknownOhio Oil Co., The
BRAUT, ZE 13 12-023-04227Plugged UnknownOhio Oil Co., The
BRAUT, ZE 4 12-023-04228Plugged UnknownOhio Oil Co., The
BRAUT, ZE 15 12-023-04229Plugged UnknownOhio Oil Co., The
BRAUT, ZE 5 12-023-04230Status not reported UnknownOhio Oil Co., The
BRAUT, ZE 6 12-023-04231Plugged UnknownOhio Oil Co., The
BREMMER, CHARLES 1 12-023-03736Status not reported Unknown—
BREMMER, CHARLES 2 12-023-03737Status not reported UnknownAssociates
BREMMER, CHARLES 3 12-023-03738Plugged Dry holeAssociates
BREMMER, CHARLES 4 12-023-03739Plugged Dry holeSamels
BREMMER, CHARLES 5 12-023-03740Plugged Dry holeAssociates
BREMMER, CHARLES 6 12-023-03741Status not reported UnknownAssociates
BREMMER, CHARLES 10 12-023-03745Status not reported Unknown—
BREMMER, CHARLES 11 12-023-03751Status not reported UnknownSamels
BREMNER, E 10 12-023-03884Status not reported UnknownAssociates
BREMNER, E 11 12-023-03885Plugged Dry holeAssociates
BREMNER, E 12 12-023-03886Plugged Dry holeAssociates
BREMNER, E 13 12-023-03887Plugged Dry holeAssociates
BREMNER, E 14 12-023-03888Plugged Dry holeAssociates
BRIGGS, SARA 1 12-023-04111Status not reported Unknown—
BRIGGS, SARA 2 12-023-04112Status not reported Unknown—
BRIGGS, SARA 3 12-023-04113Plugged Dry hole—
BRIGGS, SARA 4 12-023-04114Plugged Dry hole—
BRISCOE A 1 12-023-06320Status not reported UnknownOhio Oil Co., The
BRISCOE A 2 12-023-06321Status not reported Unknown—
BRISCOE A 3 12-023-06322Status not reported UnknownOhio Oil Co., The
BRISCOE A 4 12-023-06323Status not reported UnknownOhio Oil Co., The
BRISCOE A 5 12-023-06324Status not reported UnknownOhio Oil Co., The
BRISCOE A 6 12-023-06325Status not reported UnknownOhio Oil Co., The
BRISCOE A 7 12-023-06326Status not reported UnknownOhio Oil Co., The
BRISCOE A 8 12-023-06327Status not reported UnknownOhio Oil Co., The
BRISCOE A 9 12-023-06328Status not reported UnknownOhio Oil Co., The
BRISCOE A 10 12-023-06329Status not reported UnknownOhio Oil Co., The
BRISCOE A 11 12-023-06330Status not reported UnknownOhio Oil Co., The
BRISCOE A 12 12-023-06331Status not reported UnknownOhio Oil Co., The
BRISCOE A 13 12-023-06332Status not reported UnknownOhio Oil Co., The
BRISCOE A 14 12-023-06333Status not reported UnknownOhio Oil Co., The
BRISCOE A 15 12-023-06334Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 1 12-023-06373Status not reported Unknown—
BRISCOE SISTERS 2 12-023-06374Status not reported Unknown—
BRISCOE SISTERS 3 12-023-06375Plugged Dry hole—
BRISCOE SISTERS 4 12-023-06376Status not reported Unknown—
BRISCOE SISTERS 5 12-023-06377Status not reported Unknown—
BRISCOE SISTERS 6 12-023-06378Status not reported Unknown—
BRISCOE SISTERS 7 12-023-06379Status not reported Unknown—
BRISCOE SISTERS 8 12-023-06380Status not reported Unknown—
BRISCOE SISTERS 9 12-023-06381Status not reported Unknown—
BRISCOE SISTERS 10 12-023-06382Status not reported Unknown—
BRISCOE SISTERS 11 12-023-06383Status not reported Unknown—
BRISCOE SISTERS 12 12-023-06384Status not reported Unknown—
BRISCOE SISTERS 13 12-023-06385Status not reported Unknown—
BRISCOE SISTERS 14 12-023-06386Status not reported Unknown—
BRISCOE SISTERS 15 12-023-06387Status not reported Unknown—
BRISCOE SISTERS 16 12-023-06388Status not reported Unknown—
BRISCOE SISTERS 17 12-023-06389Status not reported Unknown—
BRISCOE SISTERS 18 12-023-06390Status not reported Unknown—
BRISCOE SISTERS 19 12-023-06391Status not reported Unknown—
BRISCOE SISTERS 20 12-023-06392Status not reported Unknown—
BRISCOE SISTERS 21 12-023-06393Status not reported Unknown—
BRISCOE SISTERS 22 12-023-06394Status not reported Unknown—
BRISCOE SISTERS 5 12-023-06590Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 6 12-023-06591Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 8 12-023-06593Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 9 12-023-06594Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 11 12-023-06596Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 12 12-023-06598Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 13 12-023-06599Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 2 12-023-06606Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 3 12-023-06607Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 4 12-023-06608Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 5 12-023-06609Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 7 12-023-06611Status not reported UnknownOhio Oil Co., The
BRISCOE SISTERS 14 12-023-06613Status not reported UnknownOhio Oil Co., The
BRISCOE, AB 24 12-023-06354Status not reported Unknown—
BRISCOE, AB 64 12-023-06355Status not reported Unknown—
BRISCOE, AB 33 12-023-06356Status not reported Unknown—
BRISCOE, AB 34 12-023-06357Status not reported Unknown—
BRISCOE, AB 35 12-023-06358Status not reported Unknown—

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