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Montgomery County, IL oil and gas wells

1,364 wells: 0 active, 937 plugged, run by 384 operators.

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

Top operators in Montgomery

OperatorActiveWells here
Granholm & Assoc.0451
Illinois Power Co.036
Hardt, Edwin E.031
Sun Production Co (Sun Oil)020
Gulf018
Reed, O. A.017
Moody, Roger016
Keyrock Energy LLC012
National Associated Petroleum Co.011
White Edgar011
Holmes, W. Ralph, Etal09
Phillips Petroleum, Co.09
Stribling, W. C.09
Keyrock Energy, LLC08
Magnolia Petroleum Company08
Alco Oil & Gas Corp.07
Allen, Nelson07
Calvert Drilling, Inc.07
Division Of Waterways07
MP Gas & Oil Exploration07
Taurus Oil Co., Inc.07
Bassett, Clyde06
Benoist, L. L.06
Frank's Petroleum Exploration06
IL State Geological Survey06

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Granholm & Assoc 90 12-135-00421Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 82 12-135-00359Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 83 12-135-00360Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 84 12-135-00361Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 81 12-135-00362Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 101 12-135-00363Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 114 12-135-00364Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 116 12-135-00365Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 105 12-135-00366Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 106 12-135-00367Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 102 12-135-00368Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 72 12-135-00369Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 103 12-135-00371Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 107 12-135-00372Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 108 12-135-00373Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 109 12-135-00374Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 110 12-135-00375Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 76 12-135-00376Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 111 12-135-00377Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 73 12-135-00378Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 78 12-135-00379Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 112 12-135-00380Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 118 12-135-00381Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 120 12-135-00382Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 113 12-135-00383Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 117 12-135-00384Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 104 12-135-00385Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 75 12-135-00386Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 150 12-135-00396Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 149 12-135-00397Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 148 12-135-00398Plugged OtherGranholm & Assoc.
Granholm & Assoc. 135 12-135-00399Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 134 12-135-00400Plugged OtherGranholm & Assoc.
Granholm & Assoc. 132 12-135-00401Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 131 12-135-00402Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 130 12-135-00403Plugged OtherGranholm & Assoc.
Granholm & Assoc. 129 12-135-00404Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 128 12-135-00405Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 127 12-135-00406Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 126 12-135-00407Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 125 12-135-00408Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 124 12-135-00409Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 123 12-135-00410Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 122 12-135-00411Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 121 12-135-00412Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 119 12-135-00413Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 74 12-135-00416Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 77 12-135-00417Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 86 12-135-00418Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 88 12-135-00419Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 89 12-135-00420Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 91 12-135-00422Plugged OtherGranholm & Assoc.
Granholm & Assoc. 92 12-135-00423Plugged OtherGranholm & Assoc.
Granholm & Assoc. 3 12-135-00424Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 94 12-135-00425Plugged OtherGranholm & Assoc.
Granholm & Assoc. 95 12-135-00426Plugged OtherGranholm & Assoc.
Granholm & Assoc. 96 12-135-00427Plugged OtherGranholm & Assoc.
Granholm & Assoc. 99 12-135-00428Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 100 12-135-00429Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 151 12-135-00430Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 152 12-135-00431Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 153 12-135-00432Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 154 12-135-00433Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 155 12-135-00434Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 156 12-135-00435Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 157 12-135-00436Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 158 12-135-00437Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 159 12-135-00438Plugged OtherGranholm & Assoc.
Granholm & Assoc. 160 12-135-00439Plugged OtherGranholm & Assoc.
Granholm & Assoc. 161 12-135-00440Plugged OtherGranholm & Assoc.
Granholm & Assoc. 162 12-135-00441Plugged OtherGranholm & Assoc.
Granholm & Assoc. 85 12-135-00443Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 276 12-135-00472Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 191 12-135-00481Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 192 12-135-00482Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 193 12-135-00483Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 194 12-135-00484Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 205 12-135-00485Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 204 12-135-00486Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 203 12-135-00487Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 241 12-135-00488Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 195 12-135-00489Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 197 12-135-00490Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 199 12-135-00491Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 198 12-135-00492Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 201 12-135-00493Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 202 12-135-00494Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 210 12-135-00495Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 242 12-135-00496Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 256 12-135-00497Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 243 12-135-00498Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 244 12-135-00499Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 245 12-135-00500Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 252 12-135-00501Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 253 12-135-00502Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 254 12-135-00503Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 255 12-135-00504Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 259 12-135-00505Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 260 12-135-00506Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 257 12-135-00507Status not reported OtherGranholm & Assoc.

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