| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #2 | Roosevelt County, MT | Jul 2025 | 652.9k BBLs |
| #3 | Fallon County, MT | Jul 2025 | 174.5k BBLs |
| #4 | Powder River County, MT | Jul 2025 | 58.1k BBLs |
| #5 | Sheridan County, MT | Jul 2025 | 22.7k BBLs |
| #6 | Wibaux County, MT | Jul 2025 | 20k BBLs |
| #7 | Blaine County, MT | Jul 2025 | 18.5k BBLs |
| #8 | Carbon County, MT | Jul 2025 | 17.7k BBLs |
| #9 | Glacier County, MT | Jul 2025 | 17.4k BBLs |
| #10 | Dawson County, MT | Jul 2025 | 11.2k BBLs |
| #11 | Toole County, MT | Jul 2025 | 9.6k BBLs |
| #12 | Valley County, MT | Jul 2025 | 5.7k BBLs |
| #13 | Rosebud County, MT | Jul 2025 | 3.4k BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #5 | Fallon County, MT | Jul 2025 | 332.5k MCF |
| #6 | Blaine County, MT | Jul 2025 | 180.5k MCF |
| #7 | Hill County, MT | Jul 2025 | 154.4k MCF |
| #8 | Glacier County, MT | Jul 2025 | 76.1k MCF |
| #9 | Toole County, MT | Jul 2025 | 60k MCF |
| #10 | Valley County, MT | Jul 2025 | 43.8k MCF |
| #11 | Carbon County, MT | Jul 2025 | 39.2k MCF |
| #12 | Chouteau County, MT | Jul 2025 | 31.3k MCF |
| #13 | Liberty County, MT | Jul 2025 | 24.4k MCF |
| #14 | Sheridan County, MT | Jul 2025 | 15.7k MCF |
| #15 | Dawson County, MT | Jul 2025 | 4.8k MCF |
| #16 | Rosebud County, MT | Jul 2025 | 2.3k MCF |