| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #6 | Wibaux County, MT | Oct 2025 | 23.7k BBLs |
| #7 | Blaine County, MT | Oct 2025 | 16.5k BBLs |
| #8 | Dawson County, MT | Oct 2025 | 10.3k BBLs |
| #9 | Glacier County, MT | Oct 2025 | 9.4k BBLs |
| #10 | Toole County, MT | Oct 2025 | 6.4k BBLs |
| #11 | Carbon County, MT | Oct 2025 | 6.0k BBLs |
| #12 | Valley County, MT | Oct 2025 | 5.5k BBLs |
| #13 | Rosebud County, MT | Oct 2025 | 4.0k BBLs |
| #14 | Prairie County, MT | Oct 2025 | 2.1k BBLs |
| #15 | Musselshell County, MT | Oct 2025 | 1.9k BBLs |
| #16 | Teton County, MT | Oct 2025 | 905 BBLs |
| #17 | Petroleum County, MT | Oct 2025 | 899 BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #3 | Roosevelt County, MT | Oct 2025 | 889.4k MCF |
| #4 | Phillips County, MT | Oct 2025 | 476.5k MCF |
| #5 | Fallon County, MT | Oct 2025 | 336.6k MCF |
| #6 | Hill County, MT | Oct 2025 | 152.1k MCF |
| #7 | Blaine County, MT | Oct 2025 | 141.8k MCF |
| #8 | Toole County, MT | Oct 2025 | 56.3k MCF |
| #9 | Valley County, MT | Oct 2025 | 46k MCF |
| #10 | Chouteau County, MT | Oct 2025 | 32.3k MCF |
| #11 | Glacier County, MT | Oct 2025 | 23.3k MCF |
| #12 | Liberty County, MT | Oct 2025 | 22.1k MCF |
| #13 | Sheridan County, MT | Oct 2025 | 11.2k MCF |
| #14 | Carbon County, MT | Oct 2025 | 5.7k MCF |