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Mason County, IL oil and gas wells
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 |
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|
| No wells match. |