Cascade County has 101 wells in the MBOGC well file — 0 of them producing today (0 oil, 0 gas), 0 permitted, 0 spudded but not yet completed, and 92 plugged and abandoned. The most active operator by well count is Nyvatex Montana Corp.. Figures come from the 2026-09-29 MBOGC bulk file; production runs through 2026-08.
| Operator | Wells |
|---|---|
| Nyvatex Montana Corp. | 8 |
| Cascade Gas Co. | 7 |
| Madison Resources | 5 |
| Petroleum Producers & Refiners Corp. | 3 |
| Anaconda Company, The | 3 |
| Union Texas Petroleum Corporation | 3 |
| Montana Power Company | 3 |
| Oil Development Company Of Texas | 3 |
| Eden Oil | 2 |
| Riverdale Oil Co. | 2 |
| Field | Wells |
|---|---|
| Wildcat Cascade | 11 |