Hill County has 2,351 wells in the MBOGC well file — 510 of them producing today (0 oil, 510 gas), 2 permitted, 0 spudded but not yet completed, and 1,653 plugged and abandoned. The most active operator by well count is Northwestern Corporation. Figures come from the 2026-09-29 MBOGC bulk file; production runs through 2026-08.
| Operator | Wells |
|---|---|
| Northwestern Corporation | 600 |
| Brown, J. Burns Operating Company | 197 |
| Ocean Energy, INC. | 140 |
| Klabzuba Oil & Gas, INC. | 125 |
| High Crest Oils, INC. | 99 |
| Devon Energy Production Co., LP | 94 |
| Norfolk Energy INC. | 78 |
| Montana Power Company | 67 |
| Western Natural Gas Company | 53 |
| Iofina Natural Gas, INC. | 33 |
| Field | Wells |
|---|---|
| Tiger Ridge | 553 |
| Red Rock | 127 |
| St. Joe Road | 112 |
| Wildcat Hill | 58 |
| Fresno | 38 |
| Rocky Boy Area | 28 |
| Chain Lakes | 27 |
| Badlands | 27 |