| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #1 | Midland County, TX | Apr 2019 | 12.7M BBLs |
| #2 | Karnes County, TX | Apr 2019 | 7.5M BBLs |
| #3 | Loving County, TX | Apr 2019 | 5.9M BBLs |
| #4 | Martin County, TX | Apr 2019 | 6.7M BBLs |
| #5 | Howard County, TX | Apr 2019 | 4.7M BBLs |
| #6 | Upton County, TX | Apr 2019 | 5.3M BBLs |
| #7 | Ward County, TX | Apr 2019 | 3.1M BBLs |
| #8 | DeWitt County, TX | Apr 2019 | 3.3M BBLs |
| #9 | La Salle County, TX | Apr 2019 | 5.0M BBLs |
| #10 | Gonzales County, TX | Apr 2019 | 3.6M BBLs |
| #11 | Reagan County, TX | Apr 2019 | 3.9M BBLs |
| #12 | Glasscock County, TX | Apr 2019 | 3.0M BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #1 | Loving County, TX | Apr 2019 | 26.2M MCF |
| #2 | Karnes County, TX | Apr 2019 | 27.8M MCF |
| #3 | Tarrant County, TX | Apr 2019 | 33.2M MCF |
| #4 | Midland County, TX | Apr 2019 | 31.9M MCF |
| #5 | Panola County, TX | Apr 2019 | 28.6M MCF |
| #6 | San Augustine County, TX | Apr 2019 | 18.7M MCF |
| #7 | DeWitt County, TX | Apr 2019 | 23.1M MCF |
| #8 | Reeves County, TX | Apr 2019 | 58.5M MCF |
| #9 | Johnson County, TX | Apr 2019 | 13.8M MCF |
| #10 | Reagan County, TX | Apr 2019 | 21.4M MCF |
| #11 | Webb County, TX | Apr 2019 | 59.3M MCF |
| #12 | Dimmit County, TX | Apr 2019 | 22.7M MCF |