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Marion County, IL oil and gas wells

10,480 wells: 0 active, 4,514 plugged, run by 1,304 operators.

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

Top operators in Marion

OperatorActiveWells here
Texas Company, The01,489
Texaco, Inc.01,413
The Texas Company0979
Magnolia Petroleum Company0535
Citation Oil & Gas Corp.0338
Texas Co., The0238
Texas Company0130
Ohio Oil Co., The0128
Ego Oil Company0117
National Associated Petroleum Co.0107
Shell Oil Company0101
Ceja Corporation099
Adams Oil & Gas089
Southwestern Oil & Gas085
Felmont Corporation081
Kingwood Oil Co.068
Deep Rock Energy Corp.063
Sohio Petroleum Company061
Lippert, Marshall060
Ohio Oil Company051
Reeves, E.C. Estate of048
Texaco Exploration & Producing, Inc047
Shakespeare Oil Co.044
Conrey, T. M.042
Oelze, Elmer Jr.040

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Adams-Mann Community 2 12-121-01759-0100Plugged OilNational Associated Petroleum Co.
Adams-Nattier 6 12-121-26577Plugged UnknownTri-Star Producing, Inc.
Adams-Nattier 7 12-121-28328Plugged OilPenn Energy Corp.
Adams-Nattier Com 2 12-121-01886Plugged OilTroop, R. H.
Adams-Ruhl 1 12-121-00140Status not reported UnknownAlco Oil & Gas Corp.
Addison O G 1 12-121-02277Plugged Dry holeOil Investments Ltd.
Ahlf 3-B 12-121-01815Status not reported OilNational Associated Petroleum Co.
Ahlf 1 12-121-28311Plugged Dry holeContinental Resources, Inc.
Ahlf "B" 3-WI 12-121-01815-0100Permitted UnknownStewart Producers, Inc.
Ahlf W 1 12-121-01189Plugged OilShell Oil Company
Ahlf W 2 12-121-04666Plugged DisposalShell Oil Company
Ahlf W 3 12-121-04667Plugged OilShell Oil Company
Ahlf W 4 12-121-04668Plugged OilShell Oil Company
Ahlf William 1-A 12-121-01773Status not reported OilNational Associated Petroleum Co.
Ahlf William 2-A 12-121-01784Status not reported OilNational Associated Petroleum Co.
Ahlf William 1-B 12-121-01799Status not reported OilNational Associated Petroleum Co.
Ahlf William 2-B 12-121-01805Status not reported OilNational Associated Petroleum Co.
Ahlf, Hilda etal 1 12-121-01817Status not reported OilNational Associated Petroleum Co.
Ahlf, Sam 1 12-121-26602Plugged Dry holeJEM Oil Company
Ainscough Pete 1 12-121-00755Status not reported UnknownAdams Oil & Gas
Ainscough-Ingels Community O-35 12-121-01723Plugged OilFelmont Corporation
Albert 1 12-121-00921Status not reported OilBell Brothers
Albert 2 12-121-00922Plugged Dry holeBell Brothers
Albert - Arnold etal 1 12-121-05244-0100Status not reported OilEgo Oil Company
Albert Heirs 1 12-121-00921-0100Plugged OilE. H. & K. Oil Co.
Albert Heirs 2 12-121-00922-0100Plugged Dry holeE. H. & K. Oil Co.
Albert, A. O. 1 12-121-00923Plugged Dry holeHawley Oil Corporation
Albert, James 1 12-121-05203Plugged Dry holeEgo Oil Company
Albert, James 1 12-121-05203-0100Plugged Water supplyEgo Oil Company
Albert, James Paul 2 12-121-05224Status not reported OilEgo Oil Company
Albert-Arnold Etal 1 12-121-05244Plugged Dry holeEgo Oil Company
Albert-Arnold Etal Community 2 12-121-05255Plugged Dry holeEgo Oil Company
Alexander SWD-1 12-121-05200Plugged DisposalBradley Producing Corporation, The
Alexander-Neff Comm. 1 12-121-01956Plugged Dry holeDoran, Thomas S.
Allen 1 12-121-05682Plugged Dry holeDoran Oil Properties
Allison 1 12-121-00832Plugged Dry holeAlexander, J. et al
Allison 2 12-121-00975Plugged Dry holeAlexander, J. W.
Allison 3 12-121-00976Plugged Dry holeAlexander, J. W.
Allison, Deon 1 12-121-26876Plugged Dry holeEgo Oil Company
Alstat Comm 1 12-121-05082Plugged Dry holeSelf, Eddie M.
Alton Lot 1 12-121-00756Status not reported OilFredrick Etal
Altvater Community 1 12-121-03260Plugged Dry holeGaines, L. M.
Altvater, F. Tr. 1 1 12-121-00512Status not reported OilTexas Company, The
Altvater, F. Tr. 1 1 12-121-00512-0100Plugged InjectionTexas Company, The
Altvater-Shanafelt 1 12-121-03261Plugged Dry holeTexaco, Inc.
Andereck, Clarence 1 12-121-02044Plugged Dry holeFlippin, E. E.
Anderson 2 12-121-04575Plugged OilRobinson, Edward T.
Anderson 2 12-121-05505Plugged Dry holeMcGaughy, William W.
Anderson L 1 12-121-01275Plugged Dry holeWhitton N W
Anderson, L. 1 12-121-05501Plugged OilMcGaughy, William W.
Anderson, P. O. 1 12-121-01267Plugged OilHelmerick & Payne, Etal
Andreck 1 12-121-05408Plugged Dry holeCastic, James P.
Andrews, J. D. 1 12-121-01937Plugged Dry holeWeidler, W. E.
Antioch Cemetery 1 12-121-02843Plugged OilThe Texas Company
Antioch Cemetery 2 12-121-02844Plugged OilThe Texas Company
Antioch Ch Tr 172 4 12-121-02366Plugged OilTexaco, Inc.
Antioch Church 5 12-121-00362Plugged OilTexas Company, The
Antioch Church 1 12-121-02364Plugged OilTexas Company, The
Antioch Church 3 12-121-02365Plugged OilTexas Company, The
Antioch Church 6 12-121-02367Status not reported OilTexas Company, The
Antioch Church Tract 194 3 12-121-02845Plugged OilTexaco, Inc.
Antioch Church, Tract 172 6 12-121-02367-0100Plugged OilTexas Company, The
Antioch School 1 12-121-02368Plugged OilFrontier Oil & Gas
Antioch School 2 12-121-02369Plugged OilFrontier Oil & Gas
Apoko Anton 1 12-121-00098Status not reported UnknownFive Star Petro Corp
Apple 1 12-121-05123Status not reported StorageIllinois Power Co.
Apple-Tate Unit 1 12-121-01892Status not reported OilNational Associated Petroleum Co.
Apple-Tate Unit 1 12-121-01892-0100Status not reported StorageIllinois Power Co.
Apple-Tate Unit 1 12-121-01892-0200Status not reported ServiceIllinois Power Co.
Arkilma Community 1 12-121-25861Plugged OilOelze, Elmer Jr.
Armstrong 1 12-121-05676Plugged Dry holeMonken, Leland
Armstrong 1 12-121-28433Plugged Dry holeWellspring Holdings, LLC
Arnold 1 12-121-01552Plugged Dry holeRichardson, M. H.
Arnold 1 12-121-05163Status not reported OilEgo Oil Company
Arnold 2 12-121-05204Plugged OilEgo Oil Company
Arnold 3-B 12-121-05233Plugged OilEgo Oil Company
Arnold 1-A 12-121-26342Status not reported OilKapp, L. H. Jr.
Arnold 2-SWD 12-121-26343-0100Status not reported DisposalJoro, Inc.
Arnold A-2 12-121-26460Plugged OilKapp, Louis H., Jr.
Arnold 2-A SWD 12-121-26460-0100Plugged DisposalKapp, Louis H., Jr.
Arnold 5 12-121-28308Status not reported OilShawnee Exploration Partners, LLC
Arnold Dale 1 12-121-05090Plugged Dry holeDodge, J. U.
Arnold, E. 2-B 12-121-05215Plugged OilEgo Oil Company
Arnold, Eugene 1-B 12-121-05195Plugged OilEgo Oil Company
Arnold, Eugene 1-C 12-121-27379Plugged Dry holeEgo Oil Company
Arnold, Fred 1 12-121-05317Plugged Dry holeNational Associated Petroleum Co.
Arnold, John 1 12-121-26540Plugged Dry holeFinks Oil Co., Inc.
Arnold, John 1 12-121-26540-0100Plugged Dry holeShakespeare Oil Co., Inc.
Arnold, John 1 12-121-26540-0200Plugged DisposalShakespeare Oil Co., Inc.
Arnold, Mason 1 12-121-26530Plugged Dry holeShakespeare Oil Co.
Arnold, Mason 1-SWD 12-121-26530-0200Status not reported DisposalShakespeare Oil Co., Inc.
Arnold, Mason 3 12-121-26692Status not reported OilShakespeare Oil Co.
Arnold, Mason 4 12-121-26714Status not reported OilShakespeare Oil Co., Inc.
Arnold, Mason 4 12-121-26714-0100Status not reported InjectionShakespeare Oil Co., Inc.
Arnold, Mason WSW 1 12-121-26530-0100Status not reported Water supplyShakespeare Oil Co.
Arnold, W. 1 12-121-26565Plugged OilBooth Resources, Inc.
Arnold-Haney Community 1 12-121-05187Status not reported OilEgo Oil Company
Arnold-Haney Community 1 12-121-05187-0100Plugged InjectionEgo Oil Company
Atchinson Harold 1 12-121-04765Plugged OilSchoenfeld, Kitch & Hunt
Atherton 1 12-121-00316Plugged OilSimmel, Louis C.

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