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Mellette County, SD oil and gas wells
5 wells: 1 active, 4 plugged, run by 2 operators.
Figures from the South Dakota Department of Agriculture and Natural Resources, Geological Survey Program, updated 2026-10-01.
Top operators in Mellette
| Operator | Active | Wells here |
|---|---|---|
| Gulf Oil Corp. | 1 | 3 |
| Bolyard Oil and Gas Ltd. | 0 | 2 |
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| Bolyard 1-11 M State | 40-095-20002 | Plugged | Dry hole | Bolyard Oil and Gas Ltd. |
| Bolyard 1-19 England | 40-095-20001 | Plugged | Dry hole | Bolyard Oil and Gas Ltd. |
| Gulf 1 Olson | 40-095-05000 | Plugged | Dry hole | Gulf Oil Corp. |
| Gulf 1 Rosebud Sioux | 40-095-05051 | Plugged | Dry hole | Gulf Oil Corp. |