| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #1 | Ellis County, KS | May 2026 | 166.4k BBLs |
| #2 | Finney County, KS | May 2026 | 122.8k BBLs |
| #3 | Haskell County, KS | May 2026 | 120.1k BBLs |
| #4 | Barton County, KS | May 2026 | 105.8k BBLs |
| #5 | Rooks County, KS | May 2026 | 102.2k BBLs |
| #6 | Russell County, KS | May 2026 | 96.1k BBLs |
| #7 | Ness County, KS | May 2026 | 81.5k BBLs |
| #8 | Stafford County, KS | May 2026 | 68.4k BBLs |
| #9 | Graham County, KS | May 2026 | 60.3k BBLs |
| #10 | Butler County, KS | May 2026 | 55.7k BBLs |
| #11 | Gove County, KS | May 2026 | 42.5k BBLs |
| #12 | Barber County, KS | May 2026 | 41.6k BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #29 | Stafford County, KS | May 2026 | 21.8k MCF |
| #30 | Rush County, KS | May 2026 | 21.2k MCF |
| #31 | Gray County, KS | May 2026 | 19.3k MCF |
| #32 | Pawnee County, KS | May 2026 | 17.6k MCF |
| #33 | Greeley County, KS | May 2026 | 16.4k MCF |
| #34 | Barton County, KS | May 2026 | 14.9k MCF |
| #35 | Rice County, KS | May 2026 | 10.9k MCF |
| #36 | Allen County, KS | May 2026 | 8.8k MCF |
| #37 | Scott County, KS | May 2026 | 7.9k MCF |
| #38 | Ness County, KS | May 2026 | 4.0k MCF |
| #39 | Wichita County, KS | May 2026 | 2.0k MCF |
| #40 | Chautauqua County, KS | May 2026 | 791 MCF |