| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #4 | Martin County, TX | May 2019 | 7.2M BBLs |
| #5 | Howard County, TX | May 2019 | 4.6M BBLs |
| #6 | Upton County, TX | May 2019 | 5.5M BBLs |
| #7 | Glasscock County, TX | May 2019 | 3.1M BBLs |
| #8 | Reagan County, TX | May 2019 | 4.0M BBLs |
| #9 | DeWitt County, TX | May 2019 | 3.1M BBLs |
| #10 | Gonzales County, TX | May 2019 | 3.5M BBLs |
| #11 | Ward County, TX | May 2019 | 2.7M BBLs |
| #12 | La Salle County, TX | May 2019 | 4.7M BBLs |
| #13 | Yoakum County, TX | May 2019 | 2.4M BBLs |
| #14 | Reeves County, TX | May 2019 | 7.3M BBLs |
| #15 | Dimmit County, TX | May 2019 | 3.0M BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #34 | Hood County, TX | May 2019 | 2.8M MCF |
| #35 | Washington County, TX | May 2019 | 3.6M MCF |
| #36 | Robertson County, TX | May 2019 | 5.0M MCF |
| #37 | Zapata County, TX | May 2019 | 5.8M MCF |
| #38 | McMullen County, TX | May 2019 | 6.2M MCF |
| #39 | Parker County, TX | May 2019 | 4.8M MCF |
| #40 | Gonzales County, TX | May 2019 | 5.5M MCF |
| #41 | Montague County, TX | May 2019 | 4.1M MCF |
| #42 | Winkler County, TX | May 2019 | 3.7M MCF |
| #43 | Ector County, TX | May 2019 | 3.9M MCF |
| #44 | Crane County, TX | May 2019 | 3.4M MCF |
| #45 | Lipscomb County, TX | May 2019 | 3.9M MCF |