| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #1 | Richland County, MT | Feb 2022 | 706.7k BBLs |
| #2 | Fallon County, MT | Feb 2022 | 207.5k BBLs |
| #3 | Roosevelt County, MT | Feb 2022 | 152.2k BBLs |
| #4 | Powder River County, MT | Feb 2022 | 146.8k BBLs |
| #5 | Dawson County, MT | Feb 2022 | 36.3k BBLs |
| #6 | Sheridan County, MT | Feb 2022 | 35.2k BBLs |
| #7 | Wibaux County, MT | Feb 2022 | 22.4k BBLs |
| #8 | Carbon County, MT | Feb 2022 | 21k BBLs |
| #9 | Rosebud County, MT | Feb 2022 | 19k BBLs |
| #10 | Blaine County, MT | Feb 2022 | 18.3k BBLs |
| #11 | Glacier County, MT | Feb 2022 | 16.4k BBLs |
| #12 | Toole County, MT | Feb 2022 | 13.1k BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #1 | Powder River County, MT | Feb 2022 | 5.4M MCF |
| #2 | Richland County, MT | Feb 2022 | 976.9k MCF |
| #3 | Phillips County, MT | Feb 2022 | 495.3k MCF |
| #4 | Fallon County, MT | Feb 2022 | 406.6k MCF |
| #5 | Roosevelt County, MT | Feb 2022 | 220.8k MCF |
| #6 | Blaine County, MT | Feb 2022 | 209.1k MCF |
| #7 | Hill County, MT | Feb 2022 | 166.9k MCF |
| #8 | Toole County, MT | Feb 2022 | 131.3k MCF |
| #9 | Carbon County, MT | Feb 2022 | 84.4k MCF |
| #10 | Liberty County, MT | Feb 2022 | 70.9k MCF |
| #11 | Glacier County, MT | Feb 2022 | 59k MCF |
| #12 | Valley County, MT | Feb 2022 | 49.6k MCF |