| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #12 | Valley County, MT | Dec 2025 | 4.8k BBLs |
| #13 | Rosebud County, MT | Dec 2025 | 3.6k BBLs |
| #14 | Pondera County, MT | Dec 2025 | 2.5k BBLs |
| #15 | Musselshell County, MT | Dec 2025 | 2.0k BBLs |
| #16 | Prairie County, MT | Dec 2025 | 1.9k BBLs |
| #17 | Teton County, MT | Dec 2025 | 1.4k BBLs |
| #18 | Liberty County, MT | Dec 2025 | 1.1k BBLs |
| #19 | Petroleum County, MT | Dec 2025 | 902 BBLs |
| #20 | Carter County, MT | Dec 2025 | 639 BBLs |
| #21 | Yellowstone County, MT | Dec 2025 | 383 BBLs |
| #22 | Daniels County, MT | Dec 2025 | 200 BBLs |
| #23 | Garfield County, MT | Dec 2025 | 91 BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #5 | Fallon County, MT | Dec 2025 | 328.1k MCF |
| #6 | Blaine County, MT | Dec 2025 | 175.3k MCF |
| #7 | Hill County, MT | Dec 2025 | 153.3k MCF |
| #8 | Carbon County, MT | Dec 2025 | 78.5k MCF |
| #9 | Toole County, MT | Dec 2025 | 78.1k MCF |
| #10 | Valley County, MT | Dec 2025 | 43.8k MCF |
| #11 | Chouteau County, MT | Dec 2025 | 34.1k MCF |
| #12 | Glacier County, MT | Dec 2025 | 29.7k MCF |
| #13 | Liberty County, MT | Dec 2025 | 27.8k MCF |
| #14 | Sheridan County, MT | Dec 2025 | 11.1k MCF |
| #15 | Dawson County, MT | Dec 2025 | 4.0k MCF |
| #16 | Rosebud County, MT | Dec 2025 | 1.2k MCF |