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Montgomery County, IL oil and gas wells

Name: Montgomery County, IL oil and gas wells
Creator: Illinois State Geological Survey

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

Operator	Active	Wells here
Granholm & Assoc.	0	451
Illinois Power Co.	0	36
Hardt, Edwin E.	0	31
Sun Production Co (Sun Oil)	0	20
Gulf	0	18
Reed, O. A.	0	17
Moody, Roger	0	16
Keyrock Energy LLC	0	12
National Associated Petroleum Co.	0	11
White Edgar	0	11
Holmes, W. Ralph, Etal	0	9
Phillips Petroleum, Co.	0	9
Stribling, W. C.	0	9
Keyrock Energy, LLC	0	8
Magnolia Petroleum Company	0	8
Alco Oil & Gas Corp.	0	7
Allen, Nelson	0	7
Calvert Drilling, Inc.	0	7
Division Of Waterways	0	7
MP Gas & Oil Exploration	0	7
Taurus Oil Co., Inc.	0	7
Bassett, Clyde	0	6
Benoist, L. L.	0	6
Frank's Petroleum Exploration	0	6
IL State Geological Survey	0	6

Well	API / ID	Status	Type	Operator
Granholm & Assoc. 462	12-135-00947	Plugged	Other	🔒 Sign in free
Granholm & Assoc. 482	12-135-00948	Plugged	Other	🔒 Sign in free
Granholm & Assoc. 490	12-135-00949	Plugged	Other	🔒 Sign in free
Granholm & Assoc. 486	12-135-00950	Plugged	Other	🔒 Sign in free
Granholm & Assoc. 485	12-135-00951	Plugged	Other	🔒 Sign in free
Granholm & Assoc. 502	12-135-00952	Plugged	Other	🔒 Sign in free
Granholm & Assoc. 484	12-135-00953	Plugged	Other	🔒 Sign in free
Granholm & Assoc. 491	12-135-00954	Plugged	Other	🔒 Sign in free
Granholm & Assoc. 500	12-135-00955	Plugged	Other	🔒 Sign in free
Granholm & Assoc. 501	12-135-00956	Plugged	Other	🔒 Sign in free
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