| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #1 | Richland County, MT | Apr 2025 | 1.4M BBLs |
| #2 | Roosevelt County, MT | Apr 2025 | 346.7k BBLs |
| #3 | Fallon County, MT | Apr 2025 | 178.2k BBLs |
| #4 | Powder River County, MT | Apr 2025 | 84.6k BBLs |
| #5 | Sheridan County, MT | Apr 2025 | 24.4k BBLs |
| #6 | Wibaux County, MT | Apr 2025 | 20.8k BBLs |
| #7 | Carbon County, MT | Apr 2025 | 19.5k BBLs |
| #8 | Blaine County, MT | Apr 2025 | 18.4k BBLs |
| #9 | Dawson County, MT | Apr 2025 | 16k BBLs |
| #10 | Glacier County, MT | Apr 2025 | 7.7k BBLs |
| #11 | Toole County, MT | Apr 2025 | 6.2k BBLs |
| #12 | Valley County, MT | Apr 2025 | 4.8k BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #1 | Powder River County, MT | Apr 2025 | 5.4M MCF |
| #2 | Richland County, MT | Apr 2025 | 1.9M MCF |
| #3 | Roosevelt County, MT | Apr 2025 | 515.4k MCF |
| #4 | Blaine County, MT | Apr 2025 | 175.9k MCF |
| #5 | Hill County, MT | Apr 2025 | 154.7k MCF |
| #6 | Carbon County, MT | Apr 2025 | 74.1k MCF |
| #7 | Toole County, MT | Apr 2025 | 67.7k MCF |
| #8 | Glacier County, MT | Apr 2025 | 65.8k MCF |
| #9 | Chouteau County, MT | Apr 2025 | 32.6k MCF |
| #10 | Fallon County, MT | Apr 2025 | 30.6k MCF |
| #11 | Liberty County, MT | Apr 2025 | 23k MCF |
| #12 | Sheridan County, MT | Apr 2025 | 14k MCF |