Home › South Dakota › Union
Union County, SD oil and gas wells
6 wells: 0 active, 6 plugged, run by 3 operators.
Figures from the South Dakota Department of Agriculture and Natural Resources, Geological Survey Program, updated 2026-10-01.
Top operators in Union
| Operator | Active | Wells here |
|---|---|---|
| A. Wagner | 0 | 4 |
| Amos Eidem | 0 | 1 |
| General Crude Oil Co. | 0 | 1 |
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| Eidem 1 Eidem | 40-127-20001 | Plugged | Dry hole | Amos Eidem |
| Sioux Valley 1 La Fleur | 40-127-05000 | Plugged | Dry hole | General Crude Oil Co. |
| Wagner 1 Blanchard | 40-127-05001 | Plugged | Dry hole | A. Wagner |
| Wagner 1 Larson | 40-127-05003 | Plugged | Dry hole | A. Wagner |
| Wagner 1 O'Conner | 40-127-05004 | Plugged | Dry hole | A. Wagner |
| Wagner 1 Peterson | 40-127-05002 | Plugged | Dry hole | A. Wagner |