Mason County, IL oil and gas wells

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

78 wells: 0 active, 53 plugged, run by 23 operators.

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

Top operators in Mason

Operator	Active	Wells here
Central IL Light Co.	0	24
Panhandle Eastern Pipe Line Company	0	10
Layne-Western Drlg	0	9
IL State Geological Survey	0	5
Bufay Oil Company	0	3
Hagen, Kenneth L.	0	3
Hagen, Lowell & Leon	0	2
Illinois State Geological Survey	0	2
McElyea, Paul W.	0	2
Pinkston Jacob L	0	2
Stewardson, Merle D.	0	2
Alco Oil & Gas Corp.	0	1
Engelke F W & M	0	1
Engelke, F. W.	0	1
Fenstermaker, Paul	0	1
IL State Water Survey	0	1
Layne Western Co., Inc.	0	1
Niagara Oil Co.	0	1
Pinkston, Jacob L.	0	1
Shelter Oil Co.	0	1
Sidwell's Enterprises, Inc.	0	1
Sidwell, Dwight	0	1
Werner Bros	0	1

Not plugged · All wells · Plugged · Orphaned

Well	API / ID	Status	Type	Operator
Friend, R. 1	12-125-21258	Permitted	Unknown	Shelter Oil Co.
Ill Power Co. 2	12-125-21530	Permitted	Unknown	Layne Western Co., Inc.