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St. Clair County, IL oil and gas wells

1,650 wells: 0 active, 919 plugged, run by 437 operators.

Figures from the Illinois State Geological Survey, updated 2026-10-17.

Top operators in St. Clair

OperatorActiveWells here
Illinois Power Co.0122
Canonie Construction Co.0100
IL State Geological Survey0100
Sun Production Co (Sun Oil)085
McMenamy, B. Contr., Inc072
Ohio Oil Co., The070
Mountain Engineering&Co.054
Donnewald, James H.030
McCandlish and Gwaltney Drlng.026
Ameren Illinois Company025
Sun Production Co.(Sun Oil)021
Calvert Funds, Inc.020
Ohio Oil Company016
Tarlton Oil Co016
Geo-Mechanics, Inc.013
Oelze, Elmer Jr.013
Young C W013
Larson Industries, Inc.012
Podolsky Oil Co.012
Alco Oil & Gas Corp.011
Geotechnology011
Loveridge, F. R., Etal011
Kerwin, Thomas R.010
Magnolia Petroleum Company010
Excel Energy Company09

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Daniel 1 12-163-02285Plugged Dry holeLuttrell & DePoister
Daschner 1 12-163-01602Status not reported OilH & M Operating
Davis, Thomas 1 12-163-02622Plugged OtherSun Production Co.(Sun Oil)
Deerfield Subd./Meise Constr. 12-163-29782Status not reported OtherIL State Geological Survey
Dept of Natural Resources CAH-1 12-163-29369Status not reported Other—
Depuy, Sonny NAE-7 12-163-30678Status not reported OtherIL State Geological Survey
Diamond Drill Hole 2 12-163-02240Permitted UnknownHecker Quarry Inc
Diamond Drill Hole 1 12-163-02241Permitted UnknownHecker Quarry Inc
Dickhault, Robert MSC-5 12-163-30355Status not reported OtherIL State Geological Survey
Dickhaut Clarence 12-163-01373Plugged OtherSun Production Co (Sun Oil)
Dickhaut, Larry MSC-4 12-163-30329Status not reported OtherIL State Geological Survey
Dickhaut, R.L. 1 12-163-23785Plugged Dry holeSuperior Oil Company
Diecker 1-A 12-163-26652Plugged Dry holeLampley, William E.
Diecker, Dave NAE-6 12-163-30677Status not reported OtherIL State Geological Survey
Diehl 12-163-00426Plugged Dry holeDiehl Pump and Supply Co.
Diehl 1 12-163-01720Plugged Dry holeShanafelt, Etal
Dieker 1 12-163-25774Status not reported UnknownCentury Oil Co.
Dieker 1 12-163-25774-0100Plugged Dry holeCentury Oil Co.
Dinges, H.P. 1 12-163-01816Plugged Dry holeCarter Oil Co.
Dinges, Otto 1 12-163-02272Plugged Dry holeLoudon Pipeline Company
Dintelman, Oscar 1 12-163-02055Plugged Dry holeMinton Omar W Jr
Dintelman, Oscar 1 12-163-02055-0100Plugged Dry holeDonnewald, James H.
Dintelman, Oscar 1-A 12-163-03470Plugged Dry holeDonnewald, James H.
Dintelman, Oscar 2 12-163-03561Plugged Dry holeDonnewald, James H.
Ditman, E. J. 1 12-163-03180Status not reported StorageIllinois Power Co.
Dressler 1 12-163-27073Plugged Dry holeCistelle Corp.
Dyroff 1-D 12-163-01334Plugged DisposalLoveridge, F. R., Etal
Dyroff 36 12-163-01335Plugged OilLoveridge, F. R., Etal
Dyroff 37 12-163-01336Plugged OilLoveridge, F. R., Etal
Dyroff 38 12-163-01337Plugged OilLoveridge, F. R., Etal
Dyroff 1-A 12-163-01523Plugged Dry holeTarlton & Sklar Oil
Dyroff 1-A 12-163-01523-0100Status not reported DisposalLarson Industries, Inc.
Dyroff 1 12-163-01605-0100Status not reported OilLarson Industries, Inc.
Dyroff 16 12-163-01619Plugged OilOhio Oil Co., The
Dyroff 17 12-163-01620Status not reported OilOhio Oil Co., The
Dyroff 31 12-163-01633Plugged OilOhio Oil Company
Dyroff 32 12-163-01634Status not reported OilOhio Oil Co., The
Dyroff 40 12-163-03350-0100Plugged Dry holeLoveridge, F. R., Etal
Dyroff 3 12-163-24993Plugged DisposalLefton, Ashner, Jonas, etal.
Dyroff 4 12-163-24994Plugged DisposalLefton, Ashner, Jonas, etal.
Dyroff 2 12-163-27516Status not reported OilLarson Industries, Inc.
Dyroff 3 12-163-27517Status not reported OilLarson Industries, Inc.
Dyroff Mathilda 36 12-163-01782Plugged OilSkalar Oil Co
Dyroff, George 1 12-163-01591Plugged Dry holeLockwood S G
Dyroff, L. J.-Dupo 6 12-163-01331Status not reported Otherowner
Dyroff, L.J. 7 12-163-01751Status not reported OtherWilliamson C A
Dyroff, M. 29 12-163-01631Status not reported OilOhio Oil Company
Dyroff, Mathilda 3 12-163-01606Status not reported OilOhio Oil Company
Dyroff, Mathilda 4 12-163-01607Plugged OilOhio Oil Co., The
Dyroff, Mathilda 6 12-163-01609Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 7 12-163-01610Plugged OilOhio Oil Co., The
Dyroff, Mathilda 8 12-163-01611Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 9 12-163-01612Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 10 12-163-01613Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 11 12-163-01614Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 12 12-163-01615Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 13 12-163-01616Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 14 12-163-01617Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 15 12-163-01618Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 18 12-163-01621Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 20 12-163-01623Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 21 12-163-01624Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 22 12-163-01625Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 23 12-163-01626Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 25 12-163-01627Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 26 12-163-01628Status not reported OilOhio Oil Company
Dyroff, Mathilda 27 12-163-01629Plugged OilOhio Oil Company
Dyroff, Mathilda 28 12-163-01630Status not reported OilOhio Oil Company
Dyroff, Mathilda 30 12-163-01632Status not reported OilOhio Oil Co., The
Dyroff, Mathilda 33 12-163-01635Status not reported OilOhio Oil Company
Dyroff, Mathilda 34 12-163-01780Status not reported OilSkalar Oil Co
Dyroff, Mathilda 35 12-163-01781Status not reported OilSkalar Oil Co
Dyroff, Mathilda 24 12-163-02279Status not reported OilOhio Oil Co., The
Dyroff, Matilda 1 12-163-01605Status not reported OilOhio Oil Co., The
Dyroff, Matilda 5 12-163-01608Status not reported OilOhio Oil Co., The
Dyroff, Matilda 19 12-163-01622Status not reported OilOhio Oil Co., The
E. St. Louis Park Dist. 1 12-163-00824Plugged Dry holeHarris Etal
ECKERT 1 12-163-25183Plugged Dry holeKerwin, Thomas R.
ECKERT 1 12-163-25183-0100Plugged Dry holeKerwin, Thomas R.
Eberhardt, L.E. 1 12-163-02193Plugged Dry holeIllinois Power Co.
Echart, Adam 1 12-163-02281Plugged Dry holeJensen Carl
Echert 1 12-163-27522Status not reported OilLarson Industries, Inc.
Echert, C. 1 12-163-02152Plugged Dry holeMetje Victor
Eck 1 12-163-00144Plugged Dry holeFreehold Oil & Gas
Eckert 1 12-163-01694Plugged OilBlosser, Charles
Eckert 2 12-163-01695Plugged OilSaunders & Bascom
Eckert 3 12-163-01696Status not reported OilSaunders & Bascom
Eckert 1 12-163-01704Status not reported OilH & M Operating
Eckert 2 12-163-01705Status not reported OilH & M Operating
Eckert 3 12-163-01706Status not reported OilH & M Operating
Eckert 4 12-163-02774Status not reported OilLefton, Samuel I.
Eckert 1 12-163-24970Plugged Dry holeNeozoic Minerals & Petro
Eckert 1 12-163-29566Plugged Dry holeWabash Prod.& Dev. Corp.
Eckert "B" 12-163-31023Status not reported UnknownDupo Oilfield Development, Inc.
Eckert, Jim Cah-C4 12-163-30504Status not reported OtherIL State Geological Survey
Eckert, Jim Cah-C5 12-163-30505Status not reported OtherIL State Geological Survey
Eckert, John NAE-4 12-163-30675Status not reported OtherIL State Geological Survey
Eckert, Pauline 3 12-163-01340Status not reported OilReamsnyder Chas H
Eckert, Pauline 2 12-163-01547Status not reported OilWabash Producers
Eckert, Pauline 4 12-163-02774-0100Status not reported DisposalDupo Oil Co.

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