| Whitwell O Unit O-1-18516 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 4 | 958K | 1.83M | Sep 2014 – Apr 2026 |
| Whitwell A O-1-19827 | Trinity Operating (Usg), LLC only | Eagleville (Eagle Ford-1) | Frio | 3 | 832K | 4.13M | Apr 2019 – Apr 2026 |
| Whitwell N Unit O-1-18470 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 3 | 817K | 1.61M | May 2015 – Apr 2026 |
| Whitwell E Unit O-1-17604 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 5 | 796K | 1.75M | May 2013 – Apr 2026 |
| Whitwell C O-1-20299 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Frio | 3 | 695K | 2.34M | Jun 2020 – Apr 2026 |
| Whitwell a Unit O-1-17622 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 5 | 692K | 1.87M | May 2014 – Apr 2026 |
| Whitwell G Unit O-1-18568 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 4 | 658K | 1.39M | Aug 2015 – Apr 2026 |
| Whitwell B Unit O-1-17603 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 3 | 604K | 1.34M | Aug 2013 – Apr 2026 |
| Whitwell B O-1-20312 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Frio | 3 | 596K | 2.34M | Jun 2020 – Apr 2026 |
| Whitwell I Unit O-1-18513 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 4 | 564K | 1.27M | Oct 2013 – Apr 2026 |
| Whitwell K Unit O-1-18515 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 3 | 475K | 1.15M | Oct 2013 – Apr 2026 |
| Whitwell D O-1-20306 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Frio | 2 | 456K | 2.09M | Jun 2020 – Apr 2026 |
| Whitwell F Unit O-1-18181 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 3 | 451K | 770K | Nov 2014 – Apr 2026 |
| Whitwell E O-1-20342 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Frio | 2 | 387K | 1.68M | Jun 2020 – Apr 2026 |
| Whitwell M Unit O-1-18695 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 2 | 358K | 620K | Mar 2018 – Apr 2026 |
| Whitwell L Unit O-1-19061 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 3 | 328K | 188K | Jan 2014 – Apr 2026 |
| Whitwell L Unit G-1-299280 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 305K | 655K | Jul 2018 – Apr 2026 |
| Whitwell G O-1-20016 | Trinity Operating (Usg), LLC only | Eagleville (Eagle Ford-1) | Frio | 3 | 299K | 1.05M | Oct 2019 – Apr 2026 |
| Whitwell a Unit G-1-297446 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 280K | 719K | May 2014 – Apr 2026 |
| Whitwell L Unit G-1-299278 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 247K | 612K | Jul 2018 – Apr 2026 |
| Whitwell C Unit G-1-297450 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 238K | 507K | Jan 2014 – Apr 2026 |
| Whitwell a Unit G-1-297447 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 226K | 632K | May 2014 – Apr 2026 |
| Whitwell C Unit O-1-17605 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 3 | 222K | 423K | Jan 2014 – Apr 2026 |
| Whitwell D Unit G-1-297445 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 218K | 587K | Jun 2015 – Apr 2026 |
| Whitwell H Unit G-1-299279 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 217K | 495K | Jul 2018 – Apr 2026 |
| Whitwell D Unit G-1-297448 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 206K | 582K | Jun 2015 – Apr 2026 |
| Whitwell J Unit G-1-297451 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 194K | 485K | Jul 2018 – Apr 2026 |
| Whitwell D Unit G-1-297449 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 192K | 528K | Jun 2015 – Apr 2026 |
| Whitwell G G-1-296948 | Trinity Operating (Usg), LLC only | Eagleville (Eagle Ford-1) | Frio | 1 | 164K | 397K | Oct 2019 – Apr 2026 |
| Whitwell H Unit O-1-18506 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 2 | 162K | 142K | Oct 2013 – Apr 2026 |
| Whitwell O-1-16160 | EP Energy E&P Company, L.P. only | Eagleville (Eagle Ford-1) | La Salle | 13 | 160K | 427K | Dec 2012 – Sep 2013 |
| Whitwell D Unit O-1-18417 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 4 | 154K | 297K | Mar 2018 – Apr 2026 |
| Whitwell J Unit O-1-18514 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 2 | 152K | 392K | Oct 2013 – Apr 2026 |
| Whitwell, Margaret O-3-11777 | Salt of the Earth Energy, LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 127K | 227K | Jan 1993 – Apr 2024 |
| Whitwell O-1-5144 | Stonegate Operators, Inc. only | Pearsall (Austin Chalk) | Frio | 4 | 32.5K | 229K | Jan 1993 – Nov 2011 |
| Whitwell G O-1-20266 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Frio | 2 | 0 | 0 | — |