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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. 314 12-135-00622Plugged OtherGranholm & Assoc.
Granholm & Assoc. 315 12-135-00623Plugged OtherGranholm & Assoc.
Granholm & Assoc. 316 12-135-00624Plugged OtherGranholm & Assoc.
Granholm & Assoc. 317 12-135-00625Plugged OtherGranholm & Assoc.
Granholm & Assoc. 318 12-135-00626Plugged OtherGranholm & Assoc.
Granholm & Assoc. 319 12-135-00627Plugged OtherGranholm & Assoc.
Granholm & Assoc. 320 12-135-00628Plugged OtherGranholm & Assoc.
Granholm & Assoc. 325 12-135-00629Plugged OtherGranholm & Assoc.
Granholm & Assoc. 326 12-135-00630Plugged OtherGranholm & Assoc.
Granholm & Assoc. 327 12-135-00631Plugged OtherGranholm & Assoc.
Granholm & Assoc. 328 12-135-00632Plugged OtherGranholm & Assoc.
Granholm & Assoc. 329 12-135-00633Plugged OtherGranholm & Assoc.
Granholm & Assoc. 330 12-135-00634Plugged OtherGranholm & Assoc.
Granholm & Assoc. 331 12-135-00635Plugged OtherGranholm & Assoc.
Granholm & Assoc. 332 12-135-00636Plugged OtherGranholm & Assoc.
Granholm & Assoc. 334 12-135-00637Plugged OtherGranholm & Assoc.
Granholm & Assoc. 335 12-135-00638Plugged OtherGranholm & Assoc.
Granholm & Assoc. 333 12-135-00639Plugged OtherGranholm & Assoc.
Granholm & Assoc. 346 12-135-00672Plugged OtherGranholm & Assoc.
Granholm & Assoc. 347 12-135-00673Plugged OtherGranholm & Assoc.
Granholm & Assoc. 348 12-135-00674Plugged OtherGranholm & Assoc.
Granholm & Assoc. 349 12-135-00675Plugged OtherGranholm & Assoc.
Granholm & Assoc. 396 12-135-00676Plugged OtherGranholm & Assoc.
Granholm & Assoc. 406 12-135-00677Plugged OtherGranholm & Assoc.
Granholm & Assoc. 407 12-135-00678Plugged OtherGranholm & Assoc.
Granholm & Assoc. 408 12-135-00679Plugged OtherGranholm & Assoc.
Granholm & Assoc. 409 12-135-00680Plugged OtherGranholm & Assoc.
Granholm & Assoc. 410 12-135-00681Plugged OtherGranholm & Assoc.
Granholm & Assoc. 395 12-135-00682Plugged OtherGranholm & Assoc.
Granholm & Assoc. 397 12-135-00683Plugged OtherGranholm & Assoc.
Granholm & Assoc. 398 12-135-00684Plugged OtherGranholm & Assoc.
Granholm & Assoc. 399 12-135-00685Plugged OtherGranholm & Assoc.
Granholm & Assoc. 400 12-135-00686Plugged OtherGranholm & Assoc.
Granholm & Assoc. 401 12-135-00687Plugged OtherGranholm & Assoc.
Granholm & Assoc. 402 12-135-00688Plugged OtherGranholm & Assoc.
Granholm & Assoc. 403 12-135-00689Plugged OtherGranholm & Assoc.
Granholm & Assoc. 404 12-135-00690Plugged OtherGranholm & Assoc.
Granholm & Assoc. 405 12-135-00691Plugged OtherGranholm & Assoc.
Granholm & Assoc. 350 12-135-00692Plugged OtherGranholm & Assoc.
Granholm & Assoc. 351 12-135-00693Plugged OtherGranholm & Assoc.
Granholm & Assoc. 352 12-135-00694Plugged OtherGranholm & Assoc.
Granholm & Assoc. 353 12-135-00695Plugged OtherGranholm & Assoc.
Granholm & Assoc. 354 12-135-00696Plugged OtherGranholm & Assoc.
Granholm & Assoc. 355 12-135-00697Plugged OtherGranholm & Assoc.
Granholm & Assoc. 356 12-135-00698Plugged OtherGranholm & Assoc.
Granholm & Assoc. 357 12-135-00699Plugged OtherGranholm & Assoc.
Granholm & Assoc. 358 12-135-00700Plugged OtherGranholm & Assoc.
Granholm & Assoc. 359 12-135-00701Plugged OtherGranholm & Assoc.
Granholm & Assoc. 336 12-135-00709Plugged OtherGranholm & Assoc.
Granholm & Assoc. 337 12-135-00710Plugged OtherGranholm & Assoc.
Granholm & Assoc. 338 12-135-00711Plugged OtherGranholm & Assoc.
Granholm & Assoc. 339 12-135-00712Plugged OtherGranholm & Assoc.
Granholm & Assoc. 341 12-135-00713Plugged OtherGranholm & Assoc.
Granholm & Assoc. 342 12-135-00714Plugged OtherGranholm & Assoc.
Granholm & Assoc. 343 12-135-00715Plugged OtherGranholm & Assoc.
Granholm & Assoc. 344 12-135-00716Plugged OtherGranholm & Assoc.
Granholm & Assoc. 393 12-135-00717Plugged OtherGranholm & Assoc.
Granholm & Assoc. 394 12-135-00718Plugged OtherGranholm & Assoc.
Granholm & Assoc. 392 12-135-00719Plugged OtherGranholm & Assoc.
Granholm & Assoc. 387 12-135-00720Plugged OtherGranholm & Assoc.
Granholm & Assoc. 388 12-135-00721Plugged OtherGranholm & Assoc.
Granholm & Assoc. 389 12-135-00722Plugged OtherGranholm & Assoc.
Granholm & Assoc. 390 12-135-00723Plugged OtherGranholm & Assoc.
Granholm & Assoc. 391 12-135-00724Plugged OtherGranholm & Assoc.
Granholm & Assoc. 345 12-135-00725Plugged OtherGranholm & Assoc.
Granholm & Assoc. 360 12-135-00726Plugged OtherGranholm & Assoc.
Granholm & Assoc. 361 12-135-00727Plugged OtherGranholm & Assoc.
Granholm & Assoc. 362 12-135-00728Plugged OtherGranholm & Assoc.
Granholm & Assoc. 363 12-135-00729Plugged OtherGranholm & Assoc.
Granholm & Assoc. 364 12-135-00730Plugged OtherGranholm & Assoc.
Granholm & Assoc. 365 12-135-00731Plugged OtherGranholm & Assoc.
Granholm & Assoc. 381 12-135-00732Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 385 12-135-00733Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 386 12-135-00734Plugged OtherGranholm & Assoc.
Granholm & Assoc. 251 12-135-00881Status not reported OtherGranholm & Assoc.
Granholm & Assoc. 455 12-135-00921Plugged OtherGranholm & Assoc.
Granholm & Assoc. 456 12-135-00922Plugged OtherGranholm & Assoc.
Granholm & Assoc. 453 12-135-00924Plugged OtherGranholm & Assoc.
Granholm & Assoc. 452 12-135-00925Plugged OtherGranholm & Assoc.
Granholm & Assoc. 451 12-135-00926Plugged OtherGranholm & Assoc.
Granholm & Assoc. 478 12-135-00927Plugged OtherGranholm & Assoc.
Granholm & Assoc. 479 12-135-00928Plugged OtherGranholm & Assoc.
Granholm & Assoc. 493 12-135-00929Plugged OtherGranholm & Assoc.
Granholm & Assoc. 494 12-135-00930Plugged OtherGranholm & Assoc.
Granholm & Assoc. 492 12-135-00931Plugged OtherGranholm & Assoc.
Granholm & Assoc. 496 12-135-00932Plugged OtherGranholm & Assoc.
Granholm & Assoc. 495 12-135-00933Plugged OtherGranholm & Assoc.
Granholm & Assoc. 477 12-135-00934Plugged OtherGranholm & Assoc.
Granholm & Assoc. 474 12-135-00935Plugged OtherGranholm & Assoc.
Granholm & Assoc. 475 12-135-00936Plugged OtherGranholm & Assoc.
Granholm & Assoc. 476 12-135-00937Plugged OtherGranholm & Assoc.
Granholm & Assoc. 463 12-135-00938Plugged OtherGranholm & Assoc.
Granholm & Assoc. 483 12-135-00939Plugged OtherGranholm & Assoc.
Granholm & Assoc. 466 12-135-00940Plugged OtherGranholm & Assoc.
Granholm & Assoc. 504 12-135-00941Plugged OtherGranholm & Assoc.
Granholm & Assoc. 473 12-135-00942Plugged OtherGranholm & Assoc.
Granholm & Assoc. 472 12-135-00943Plugged OtherGranholm & Assoc.
Granholm & Assoc. 471 12-135-00944Plugged OtherGranholm & Assoc.
Granholm & Assoc. 465 12-135-00945Plugged OtherGranholm & Assoc.
Granholm & Assoc. 464 12-135-00946Plugged OtherGranholm & Assoc.

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