| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #1 | Richland County, MT | Jul 2026 | 1.3M BBLs |
| #2 | Roosevelt County, MT | Jul 2026 | 445.4k BBLs |
| #3 | Powder River County, MT | Jul 2026 | 72.5k BBLs |
| #4 | Sheridan County, MT | Jul 2026 | 35.4k BBLs |
| #5 | Blaine County, MT | Jul 2026 | 18.6k BBLs |
| #6 | Dawson County, MT | Jul 2026 | 18.5k BBLs |
| #7 | Fallon County, MT | Jul 2026 | 16k BBLs |
| #8 | Carbon County, MT | Jul 2026 | 13.8k BBLs |
| #9 | Toole County, MT | Jul 2026 | 13.1k BBLs |
| #10 | Glacier County, MT | Jul 2026 | 12.3k BBLs |
| #11 | Valley County, MT | Jul 2026 | 4.8k BBLs |
| #12 | Rosebud County, MT | Jul 2026 | 4.6k BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #1 | Powder River County, MT | Jul 2026 | 5.1M MCF |
| #2 | Richland County, MT | Jul 2026 | 1.9M MCF |
| #3 | Roosevelt County, MT | Jul 2026 | 729.6k MCF |
| #4 | Phillips County, MT | Jul 2026 | 450.3k MCF |
| #5 | Fallon County, MT | Jul 2026 | 286.2k MCF |
| #6 | Blaine County, MT | Jul 2026 | 178.5k MCF |
| #7 | Hill County, MT | Jul 2026 | 175.4k MCF |
| #8 | Toole County, MT | Jul 2026 | 135.4k MCF |
| #9 | Liberty County, MT | Jul 2026 | 79.3k MCF |
| #10 | Glacier County, MT | Jul 2026 | 76k MCF |
| #11 | Carbon County, MT | Jul 2026 | 63k MCF |
| #12 | Valley County, MT | Jul 2026 | 44.3k MCF |