| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #1 | Converse County, WY | May 2026 | 3.6M BBLs |
| #2 | Campbell County, WY | May 2026 | 1.7M BBLs |
| #3 | Laramie County, WY | May 2026 | 478.4k BBLs |
| #4 | Park County, WY | May 2026 | 342.7k BBLs |
| #5 | Natrona County, WY | May 2026 | 307.8k BBLs |
| #6 | Johnson County, WY | May 2026 | 250k BBLs |
| #7 | Sweetwater County, WY | May 2026 | 225.5k BBLs |
| #8 | Carbon County, WY | May 2026 | 212.5k BBLs |
| #9 | Sublette County, WY | May 2026 | 185.6k BBLs |
| #10 | Fremont County, WY | May 2026 | 144.8k BBLs |
| #11 | Hot Springs County, WY | May 2026 | 126.9k BBLs |
| #12 | Niobrara County, WY | May 2026 | 108.9k BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #4 | Converse County, WY | May 2026 | 9.1M MCF |
| #5 | Carbon County, WY | May 2026 | 7.0M MCF |
| #6 | Fremont County, WY | May 2026 | 3.2M MCF |
| #7 | Johnson County, WY | May 2026 | 2.7M MCF |
| #8 | Lincoln County, WY | May 2026 | 2.3M MCF |
| #9 | Uinta County, WY | May 2026 | 1.6M MCF |
| #10 | Laramie County, WY | May 2026 | 852.4k MCF |
| #11 | Park County, WY | May 2026 | 481.4k MCF |
| #12 | Natrona County, WY | May 2026 | 450.7k MCF |
| #13 | Niobrara County, WY | May 2026 | 195.9k MCF |
| #14 | Washakie County, WY | May 2026 | 127.8k MCF |
| #15 | Big Horn County, WY | May 2026 | 86.3k MCF |