| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #1 | Martin County, TX | Jan 2026 | 20.8M BBLs |
| #2 | Midland County, TX | Jan 2026 | 18.9M BBLs |
| #3 | Loving County, TX | Jan 2026 | 13.1M BBLs |
| #4 | Reeves County, TX | Jan 2026 | 12.8M BBLs |
| #5 | Upton County, TX | Jan 2026 | 9.3M BBLs |
| #6 | Karnes County, TX | Jan 2026 | 6.4M BBLs |
| #7 | Howard County, TX | Jan 2026 | 6.4M BBLs |
| #8 | Reagan County, TX | Jan 2026 | 5.7M BBLs |
| #9 | Andrews County, TX | Jan 2026 | 5.0M BBLs |
| #10 | Ward County, TX | Jan 2026 | 4.8M BBLs |
| #11 | Glasscock County, TX | Jan 2026 | 4.3M BBLs |
| #12 | DeWitt County, TX | Jan 2026 | 4.0M BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #10 | Upton County, TX | Jan 2026 | 37.1M MCF |
| #11 | Howard County, TX | Jan 2026 | 34.2M MCF |
| #12 | La Salle County, TX | Jan 2026 | 31.1M MCF |
| #13 | Glasscock County, TX | Jan 2026 | 24.4M MCF |
| #14 | San Augustine County, TX | Jan 2026 | 20.7M MCF |
| #15 | Tarrant County, TX | Jan 2026 | 20.7M MCF |
| #16 | Karnes County, TX | Jan 2026 | 20M MCF |
| #17 | DeWitt County, TX | Jan 2026 | 19.9M MCF |
| #18 | Ward County, TX | Jan 2026 | 18.8M MCF |
| #19 | Dimmit County, TX | Jan 2026 | 17.2M MCF |
| #20 | McMullen County, TX | Jan 2026 | 15M MCF |
| #21 | Nacogdoches County, TX | Jan 2026 | 13.8M MCF |