Lewis and Clark County has 32 wells in the MBOGC well file — 1 of them producing today (0 oil, 1 gas), 1 permitted, 0 spudded but not yet completed, and 30 plugged and abandoned. The most active operator by well count is Anaconda Company, The. Figures come from the 2026-09-29 MBOGC bulk file; production runs through 2026-08.
| Operator | Wells |
|---|---|
| Anaconda Company, The | 2 |
| Mosbacher Production Co | 2 |
| Sun Exploration And Production Co | 2 |
| Amoco Production Company | 2 |
| Atlantic Richfield Company | 2 |
| Bnv Energy Company LLC | 2 |
| Oregon-Montana Gas &oil Co. | 1 |
| Yandt, Carl | 1 |
| Northern Natural Gas Producing Co. | 1 |
| Hanlon Etal | 1 |
| Field | Wells |
|---|---|
| Wildcat Lewis & Clark | 1 |