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Jefferson County, IL oil and gas wells
4,655 wells: 0 active, 3,266 plugged, run by 875 operators.
Figures from the Illinois State Geological Survey, updated 2026-10-17.
Top operators in Jefferson
| Operator | Active | Wells here |
|---|
| Gulf Refining Company | 0 | 143 |
| Magnolia Petroleum Company | 0 | 127 |
| Superior Oil Company | 0 | 105 |
| Herley, David F. | 0 | 96 |
| Strickland, Frank L. | 0 | 89 |
| Oelze, Elmer Jr. | 0 | 75 |
| National Associated Petroleum Co. | 0 | 73 |
| Texaco, Inc. | 0 | 68 |
| Dunnill, John F. | 0 | 67 |
| Texas Company, The | 0 | 66 |
| Humble Oil & Refining Company | 0 | 64 |
| C. E. Brehm Drilling & Prod. | 0 | 60 |
| The Texas Company | 0 | 60 |
| Sherman, Ernest | 0 | 54 |
| Carter Oil Co. | 0 | 51 |
| Minor, Burrell G. | 0 | 51 |
| Dare, Leo | 0 | 48 |
| Gentles, Albert | 0 | 48 |
| Self, Eddie M. | 0 | 46 |
| Redwine, Nash | 0 | 44 |
| Farrar Oil Co., Inc. | 0 | 43 |
| Wilbanks Exploration, Inc. | 0 | 43 |
| Wood Energy, Inc. | 0 | 42 |
| Brehm, C. E. Drilling & Producing | 0 | 41 |
| Prior, John | 0 | 41 |
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|
| No wells match. |