| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #1 | Martin County, TX | May 2026 | 21.6M BBLs |
| #2 | Midland County, TX | May 2026 | 19.5M BBLs |
| #3 | Loving County, TX | May 2026 | 14.1M BBLs |
| #4 | Reeves County, TX | May 2026 | 13.7M BBLs |
| #5 | Upton County, TX | May 2026 | 9.5M BBLs |
| #6 | Reagan County, TX | May 2026 | 6.6M BBLs |
| #7 | Karnes County, TX | May 2026 | 6.3M BBLs |
| #8 | Howard County, TX | May 2026 | 6.2M BBLs |
| #9 | Andrews County, TX | May 2026 | 4.8M BBLs |
| #10 | Ward County, TX | May 2026 | 4.6M BBLs |
| #11 | Glasscock County, TX | May 2026 | 4.5M BBLs |
| #12 | DeWitt County, TX | May 2026 | 4.2M BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #11 | Howard County, TX | May 2026 | 34.6M MCF |
| #12 | La Salle County, TX | May 2026 | 29.7M MCF |
| #13 | Glasscock County, TX | May 2026 | 26.5M MCF |
| #14 | San Augustine County, TX | May 2026 | 25.8M MCF |
| #15 | Tarrant County, TX | May 2026 | 21.5M MCF |
| #16 | DeWitt County, TX | May 2026 | 19.8M MCF |
| #17 | Karnes County, TX | May 2026 | 18.4M MCF |
| #18 | McMullen County, TX | May 2026 | 17.3M MCF |
| #19 | Dimmit County, TX | May 2026 | 16.6M MCF |
| #20 | Ward County, TX | May 2026 | 16.5M MCF |
| #21 | Live Oak County, TX | May 2026 | 14.5M MCF |
| #22 | Nacogdoches County, TX | May 2026 | 13.5M MCF |