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Mountrail County, ND oil and gas wells
5,758 wells: 3,757 active, 657 plugged, run by 194 operators.
Figures from the North Dakota Industrial Commission, Oil and Gas Division, updated 2026-10-17.
Top operators in Mountrail
| Operator | Active | Wells here |
|---|
| HESS BAKKEN INVESTMENTS II, LLC | 797 | 1,034 |
| WHITING OIL AND GAS CORPORATION | 669 | 835 |
| EOG RESOURCES, INC. | 479 | 953 |
| SLAWSON EXPLORATION COMPANY, INC. | 440 | 598 |
| DEVON ENERGY WILLISTON, L.L.C. | 281 | 311 |
| MARATHON OIL COMPANY | 268 | 329 |
| OASIS PETROLEUM NORTH AMERICA LLC | 213 | 326 |
| HUNT OIL COMPANY | 135 | 192 |
| CONTINENTAL RESOURCES, INC. | 129 | 177 |
| LIME ROCK RESOURCES III-A, L.P. | 72 | 81 |
| Silver Hill Energy Operating, LLC | 68 | 86 |
| MUREX PETROLEUM CORPORATION | 37 | 43 |
| PETRO-HUNT, L.L.C. | 35 | 47 |
| SOGC, LLC | 35 | 43 |
| STEPHENS WILLISTON, LLC DBA SEG WILLISTON, LLC | 22 | 32 |
| XTO ENERGY INC | 14 | 20 |
| Phoenix Operating LLC | 12 | 38 |
| Swanson Oil & Gas LLC | 8 | 9 |
| HESS WATER SERVICES LLC | 6 | 6 |
| SELECT WATER SOLUTIONS, LLC | 5 | 10 |
| PETROGULF CORPORATION | 4 | 4 |
| FOUNDATION ENERGY MANAGEMENT, LLC | 3 | 35 |
| FALCON MIDSTREAM SERVICES LLC | 3 | 6 |
| ARGENT MIDSTREAM SOLUTIONS, LLC | 3 | 3 |
| Tallgrass Water North Dakota, LLC | 3 | 3 |
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|
| No wells match. |