South Dakota Oil and Gas Wells Map
WellsMap USA maps 2,137 oil and gas wells in South Dakota, from South Dakota Geological Survey records (updated September 2026). 321 are listed as active and 1,704 as plugged, abandoned or never drilled. Wells are spread across 50 counties and 466 operators.
2,137Wells
321Active
379Oil wells
156Gas wells
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South Dakota wells by type
| Type | Wells | Share |
|---|---|---|
| Dry hole | 1,230 | 58% |
| Oil | 379 | 18% |
| Unknown type | 222 | 10% |
| Gas | 156 | 7.3% |
| Injection / disposal | 145 | 6.8% |
| Water | 5 | 0.2% |
South Dakota wells by status
| Status | Wells | Share |
|---|---|---|
| Plugged | 1,480 | 69% |
| Active | 321 | 15% |
| Cancelled / never drilled | 222 | 10% |
| Inactive / shut in | 93 | 4.4% |
| Temporarily abandoned | 19 | 0.9% |
| Abandoned | 2 | 0.1% |
Counties with the most oil and gas wells in South Dakota
| County | Wells | Active |
|---|---|---|
| Harding | 947 | 303 |
| Fall River | 457 | 17 |
| Butte | 134 | 0 |
| Custer | 94 | 0 |
| Meade | 75 | 0 |
| Pennington | 45 | 0 |
| Haakon | 45 | 0 |
| Dewey | 43 | 0 |
| Stanley | 42 | 0 |
| Perkins | 33 | 0 |
| Corson | 32 | 0 |
| Ziebach | 18 | 0 |
| Tripp | 17 | 0 |
| Jackson | 15 | 0 |
| Hughes | 13 | 0 |
| Jones | 11 | 0 |
| Spink | 11 | 0 |
| Lyman | 9 | 0 |
| Oglala Lakota | 8 | 0 |
| Gregory | 8 | 0 |
Top oil and gas operators in South Dakota by well count
| Operator | Wells | Active |
|---|---|---|
| Continental Resources Inc. | 308 | 153 |
| Luff Exploration Co. | 137 | 85 |
| P. K. Roosevelt | 77 | 1 |
| Clark Blake Production, LLC | 55 | 43 |
| Citation Oil and Gas Corp. | 48 | 17 |
| Spyglass Cedar Creek LP | 48 | 0 |
| North Finn, LLC | 39 | 0 |
| S. G. Harrison | 37 | 0 |
| Sands Oil Co. | 37 | 0 |
| Shell Oil Co. | 33 | 0 |
| S. Gary | 31 | 0 |
| Webb Resources Inc. | 30 | 0 |
| J. A. McCutchin Jr. | 27 | 0 |
| Gulf Oil Corp. | 25 | 1 |
| Phillips Petroleum Co. | 25 | 0 |
| Pure Oil Co. | 25 | 0 |
| Amerada Petroleum Co. | 20 | 0 |
| Gulf Exploration, LLC | 16 | 2 |
| Investors Drilling Ventures Inc. | 16 | 0 |
| Exeter Drilling and Exploration Co. | 16 | 0 |
About this data
Well locations, types and statuses come from public records published by South Dakota Geological Survey, retrieved September 2026. Counties missing from the source records are assigned from each well's location. Records can be incomplete or out of date; check with the regulator before relying on them.