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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. 258 12-135-00508Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 273 12-135-00509Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 282 12-135-00511Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 269 12-135-00512Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 283 12-135-00513Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 264 12-135-00514Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 262 12-135-00515Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 263 12-135-00516Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 265 12-135-00517Plugged Dry holeGranholm & Assoc.
Granholm & Assoc. 266 12-135-00518Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 268 12-135-00519Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 270 12-135-00520Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 271 12-135-00521Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 272 12-135-00522Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 278 12-135-00523Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 274 12-135-00524Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 246 12-135-00525Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 207 12-135-00526Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 209 12-135-00527Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 240 12-135-00528Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 238 12-135-00529Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 239 12-135-00530Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 236 12-135-00531Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 220 12-135-00532Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 233 12-135-00533Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 234 12-135-00534Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 213 12-135-00535Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 222 12-135-00536Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 211 12-135-00537Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 212 12-135-00538Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 221 12-135-00539Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 218 12-135-00540Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 219 12-135-00541Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 172 12-135-00542Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 173 12-135-00543Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 176 12-135-00544Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 177 12-135-00545Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 214 12-135-00546Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 215 12-135-00547Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 223 12-135-00548Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 178 12-135-00549Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 183 12-135-00550Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 184 12-135-00551Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 185 12-135-00552Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 170 12-135-00553Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 174 12-135-00554Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 190 12-135-00555Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 169 12-135-00556Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 171 12-135-00557Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 232 12-135-00558Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 167 12-135-00559Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 168 12-135-00560Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 164 12-135-00561Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 165 12-135-00562Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 189 12-135-00563Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 163 12-135-00564Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 187 12-135-00565Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 188 12-135-00566Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 217 12-135-00567Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 166 12-135-00568Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 285 12-135-00569Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 230 12-135-00570Plugged OtherGranholm & Assoc.
Granholm & Assoc. 228 12-135-00571Plugged OtherGranholm & Assoc.
Granholm & Assoc. 229 12-135-00572Plugged OtherGranholm & Assoc.
Granholm & Assoc. 181 12-135-00573Plugged OtherGranholm & Assoc.
Granholm & Assoc. 216 12-135-00574Plugged OtherGranholm & Assoc.
Granholm & Assoc. 224 12-135-00575Plugged OtherGranholm & Assoc.
Granholm & Assoc. 225 12-135-00576Plugged OtherGranholm & Assoc.
Granholm & Assoc. 226 12-135-00577Plugged OtherGranholm & Assoc.
Granholm & Assoc. 227 12-135-00578Plugged OtherGranholm & Assoc.
Granholm & Assoc. 179 12-135-00579Plugged OtherGranholm & Assoc.
Granholm & Assoc. 180 12-135-00580Plugged OtherGranholm & Assoc.
Granholm & Assoc. 182 12-135-00581Plugged OtherGranholm & Assoc.
Granholm & Assoc. 186 12-135-00582Plugged OtherGranholm & Assoc.
Granholm & Assoc. 206 12-135-00583Plugged OtherGranholm & Assoc.
Granholm & Assoc. 175 12-135-00594Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 196 12-135-00595Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 200 12-135-00596Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 208 12-135-00597Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 237 12-135-00598Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 261 12-135-00599Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 267 12-135-00600Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 277 12-135-00601Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 280 12-135-00602Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 281 12-135-00603Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 284 12-135-00604Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 300 12-135-00608Plugged OtherGranholm & Assoc.
Granholm & Assoc. 301 12-135-00609Plugged OtherGranholm & Assoc.
Granholm & Assoc. 302 12-135-00610Plugged OtherGranholm & Assoc.
Granholm & Assoc. 303 12-135-00611Plugged OtherGranholm & Assoc.
Granholm & Assoc. 304 12-135-00612Plugged OtherGranholm & Assoc.
Granholm & Assoc. 305 12-135-00613Plugged OtherGranholm & Assoc.
Granholm & Assoc. 306 12-135-00614Plugged OtherGranholm & Assoc.
Granholm & Assoc. 307 12-135-00615Plugged OtherGranholm & Assoc.
Granholm & Assoc. 308 12-135-00616Plugged OtherGranholm & Assoc.
Granholm & Assoc. 309 12-135-00617Plugged OtherGranholm & Assoc.
Granholm & Assoc. 310 12-135-00618Plugged OtherGranholm & Assoc.
Granholm & Assoc. 311 12-135-00619Plugged OtherGranholm & Assoc.
Granholm & Assoc. 312 12-135-00620Plugged OtherGranholm & Assoc.
Granholm & Assoc. 313 12-135-00621Plugged OtherGranholm & Assoc.

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