Beaverhead County has 30 wells in the MBOGC well file — 0 of them producing today (0 oil, 0 gas), 0 permitted, 0 spudded but not yet completed, and 30 plugged and abandoned. The most active operator by well count is Farmers Union Central Exchange, INC.. Figures come from the 2026-09-29 MBOGC bulk file; production runs through 2026-08.
| Operator | Wells |
|---|---|
| Farmers Union Central Exchange, INC. | 4 |
| American Quasar Petroleum Co. Of New Mexico | 4 |
| Amoco Production Company | 4 |
| Beaverhead Alberta Oil Co. | 3 |
| Beaverhead Oil Producing Co. | 3 |
| Muddy Creek Oil Co. | 2 |
| Hagenbarth | 1 |
| Big Dome Oil Co. | 1 |
| Geo. Metlan Etal | 1 |
| Horse Prairie Oil Co. | 1 |