| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #12 | Valley County, MT | Sep 2025 | 5.0k BBLs |
| #13 | Rosebud County, MT | Sep 2025 | 4.2k BBLs |
| #14 | Big Horn County, MT | Sep 2025 | 2.7k BBLs |
| #15 | Prairie County, MT | Sep 2025 | 1.8k BBLs |
| #16 | Musselshell County, MT | Sep 2025 | 1.5k BBLs |
| #17 | Petroleum County, MT | Sep 2025 | 1.4k BBLs |
| #18 | Liberty County, MT | Sep 2025 | 1.1k BBLs |
| #19 | Teton County, MT | Sep 2025 | 1.0k BBLs |
| #20 | Daniels County, MT | Sep 2025 | 707 BBLs |
| #21 | Pondera County, MT | Sep 2025 | 512 BBLs |
| #22 | Garfield County, MT | Sep 2025 | 460 BBLs |
| #23 | Yellowstone County, MT | Sep 2025 | 369 BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #1 | Powder River County, MT | Sep 2025 | 5.9M MCF |
| #2 | Richland County, MT | Sep 2025 | 1.8M MCF |
| #3 | Roosevelt County, MT | Sep 2025 | 862.5k MCF |
| #4 | Phillips County, MT | Sep 2025 | 461.5k MCF |
| #5 | Fallon County, MT | Sep 2025 | 342.9k MCF |
| #6 | Blaine County, MT | Sep 2025 | 182.4k MCF |
| #7 | Hill County, MT | Sep 2025 | 146k MCF |
| #8 | Carbon County, MT | Sep 2025 | 77.1k MCF |
| #9 | Glacier County, MT | Sep 2025 | 74.9k MCF |
| #10 | Toole County, MT | Sep 2025 | 57.2k MCF |
| #11 | Valley County, MT | Sep 2025 | 42.8k MCF |
| #12 | Chouteau County, MT | Sep 2025 | 31.8k MCF |