| Maltsberger O-1-15381 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 42 | 3.51M | 6.86M | Feb 2011 – Apr 2026 |
| Hardberger O-11-67625 | Grace Petroleum Operating, LLC only | Champmon (Strawn) | Gaines | 4 | 1.66M | 993K | Oct 1996 – Apr 2026 |
| Jake Berger,jr. Cattle Company O-2-11157 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 6 | 894K | 895K | Sep 2015 – Apr 2026 |
| Maltsberger Northcut Unit O-1-17325 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 5 | 663K | 1.27M | Dec 2013 – Apr 2026 |
| McGregor Estate O-13-1296 | Willowbend Investments, Inc. only | Vogtsberger, North | Archer | 14 | 548K | 89.2K | Jan 1993 – Apr 2026 |
| Effenberger Unit O-2-9963 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 3 | 510K | 427K | Apr 2012 – Apr 2026 |
| Durrenberger Unit O-3-22699 | Redbud E & P, Inc. only | Giddings (Austin Chalk-3) | Lee | 1 | 367K | 1.09M | Mar 1995 – Apr 2026 |
| Schacherl-Effenberger (SA) Unit O-2-11482 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 320K | 324K | Apr 2018 – Apr 2026 |
| Maltsberger Unit O-1-18147 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | La Salle | 1 | 319K | 568K | Oct 2014 – Apr 2026 |
| Maltsberger Unit C G-1-296796 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 304K | 1.59M | Oct 2018 – Apr 2026 |
| Maltsberger G-1-298833 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 295K | 1.44M | Apr 2023 – Apr 2026 |
| Maltsberger Unit D G-1-296964 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 293K | 1.26M | Apr 2018 – Apr 2026 |
| Milberger Unit O-3-22604 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 280K | 117K | Dec 1994 – Oct 2003 |
| Maltsberger G-1-299104 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 276K | 1.41M | Apr 2023 – Apr 2026 |
| Maltsberger Hixon Allocation C G-1-297303 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 274K | 1.37M | Sep 2019 – Apr 2026 |
| Moc-Seidenberger '29' O-10-42139 | McClure Oil Company, Inc. only | Veterans (Upper Leonard) | Glasscock | 4 | 273K | 339K | May 2011 – Apr 2026 |
| Maltsberger G-1-298735 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 263K | 1.51M | Apr 2023 – Apr 2026 |
| Maltsberger-DB Trust G-1-297318 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 259K | 1.05M | Oct 2018 – Apr 2026 |
| Maltsberger Unit E G-1-296965 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 256K | 1.25M | Oct 2018 – Apr 2026 |
| Maltsberger G-1-298734 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 255K | 1.41M | Apr 2023 – Apr 2026 |
| Berger-Simper O-2-10793 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 2 | 239K | 693K | Feb 2014 – Apr 2026 |
| Maltsberger G-1-297730 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 238K | 1.08M | Oct 2022 – Apr 2026 |
| Maltsberger Hixon Allocation B G-1-297081 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 233K | 1.11M | Sep 2019 – Apr 2026 |
| Maltsberger Unit B G-1-297002 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 233K | 746K | Dec 2017 – Apr 2026 |
| Maltsberger Unit B G-1-296795 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 233K | 1.12M | Oct 2018 – Apr 2026 |
| Sturm Estate O-13-24390 | Willowbend Investments, Inc. only | Vogtsberger (Caddo 5140) | Archer | 7 | 232K | 114K | Jan 1993 – Apr 2026 |
| Berger-Amarado G-3-147301 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 232K | 2.23M | Sep 1993 – Apr 2026 |
| Maltsberger Unit C G-1-296962 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 226K | 878K | Dec 2017 – Apr 2026 |
| Maltsberger G-1-297734 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 225K | 1.23M | Feb 2017 – Apr 2026 |
| Maltsberger Hixon Allocation E G-1-297082 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 223K | 1.36M | May 2022 – Apr 2026 |
| Spitzenberger EF O-3-28188 | Sage Natural Resources LLC only | Giddings (Eagleford) | Lee | 1 | 223K | 63.9K | Oct 2024 – Apr 2026 |
| Schacherl-Effenberger(sa) Unit 4 O-2-11483 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 222K | 259K | Apr 2018 – Apr 2026 |
| Vogtsberger, August O-13-15820 | Cobra Oil & Gas Corporation only | Vogtsberger Pool | Archer | 4 | 222K | 188K | Jan 1993 – Apr 2026 |
| Maltsberger Unit B G-1-296794 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 212K | 884K | Oct 2018 – Apr 2026 |
| Maltsberger Unit D G-1-297317 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 209K | 595K | Apr 2018 – Apr 2026 |
| McGregor O-13-12777 | Willowbend Investments, Inc. only | Vogtsberger, North (4775 Sand) | Archer | 12 | 208K | 219K | Jan 1993 – Jul 2021 |
| Maltsberger Hixon E Unit G-1-297728 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 202K | 1.02M | Sep 2016 – Apr 2026 |
| Spitzenberger EF A O-3-28186 | Sage Natural Resources LLC only | Giddings (Eagleford) | Lee | 1 | 197K | 51.4K | Oct 2024 – Apr 2026 |
| Maltsberger G-1-297732 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 191K | 506K | Jun 2019 – Apr 2026 |
| Maltsberger G-1-297731 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 188K | 620K | Apr 2020 – Apr 2026 |
| Maltsberger Hixon Allocation D G-1-297095 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 188K | 1.33M | May 2022 – Apr 2026 |
| Berger-Carnes G-3-168292 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 186K | 4.33M | May 1998 – Mar 2023 |
| Maltsberger Hixon Allocation A G-1-297072 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 185K | 954K | Sep 2019 – Apr 2024 |
| Lohberger-Tipps 13 G-14-274387 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 184K | 6.11M | Jul 2013 – Apr 2026 |
| Maltsberger Hixon Allocation F G-1-296996 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 178K | 815K | May 2022 – Apr 2026 |
| Maltsberger-DB Trust Allo A G-1-297256 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 175K | 1.07M | Mar 2021 – Apr 2026 |
| Effenberger-Schacherl (SA) O-2-10869 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 174K | 172K | Aug 2013 – Jul 2021 |
| Scasta-Milberger Unit 1 EB O-3-26600 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Brazos | 2 | 173K | 37.5K | Jan 2014 – Mar 2026 |
| Maltsberger Unit A-2 G-1-296800 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 170K | 763K | May 2021 – Apr 2026 |
| Maltsberger D Allocation G-1-299047 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 170K | 954K | Dec 2024 – Apr 2026 |