Wibaux County has 321 wells in the MBOGC well file — 71 of them producing today (49 oil, 22 gas), 1 permitted, 0 spudded but not yet completed, and 142 plugged and abandoned. The most active operator by well count is Mmgl Mt I, LLC. Figures come from the 2026-09-29 MBOGC bulk file; production runs through 2026-08.
| Operator | Wells |
|---|---|
| Mmgl Mt I, LLC | 142 |
| Shell Oil Company | 27 |
| Jurassic Resources Development Na LLC | 26 |
| Shell Western E & P INC. | 18 |
| Montana Heartland LLC | 12 |
| Encore Operating LP | 9 |
| Interstate Explorations, LLC | 7 |
| Mon-Dak Utilities Co. & Fidelity Gas Co. | 5 |
| Target Oil | 5 |
| Denbury Onshore, LLC | 4 |
| Field | Wells |
|---|---|
| Pine | 199 |
| Pine Gas | 37 |
| Yates | 5 |
| Carlyle | 3 |
| Black Diamond | 3 |
| Blue Mountain | 3 |
| Wildcat Wibaux | 2 |
| Wibaux | 1 |