| Seal-Lehman B Unit O-1-17049 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 4 | 941K | 1.11M | Sep 2013 – Apr 2026 |
| Seal Lehman a Unit O-1-17040 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 5 | 814K | 1.08M | Sep 2013 – Apr 2026 |
| Lehmann Heirs OL Unit O-3-22110 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 3 | 782K | 1.56M | Jul 1993 – Apr 2026 |
| Weeks-Lehmann Unit O-3-22266 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 662K | 1.3M | Dec 1993 – Apr 2026 |
| Umlang-Lehmann Unit O-3-26560 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 3 | 610K | 194K | Apr 2018 – Apr 2026 |
| Lehmann Unit B Dim O-1-16644 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 5 | 563K | 1.27M | May 2013 – Apr 2026 |
| Giaccone-Lehmann Unit O-3-21886 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Washington | 2 | 526K | 1.78M | Jan 1993 – Apr 2026 |
| Lehmann,ira J. O-3-14516 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 523K | 1.78M | Jan 1993 – Apr 2026 |
| Lehmann-Von Minden G-3-144582 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 435K | 4.46M | Feb 1993 – Apr 2026 |
| Lehmann, Ira O-3-22317 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 428K | 1.52M | Feb 1994 – Apr 2026 |
| Lehman E Unit O-1-17573 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 5 | 394K | 908K | Dec 2013 – Apr 2026 |
| Bullard-Lehmann Unit O-3-21732 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 381K | 2.95M | Jan 1993 – Apr 2026 |
| Lehman a Unit G-1-297454 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 303K | 917K | Oct 2015 – Apr 2026 |
| Schoenemann-Lehmann Unit O-3-21596 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Washington | 1 | 269K | 1.22M | Jan 1993 – Apr 2026 |
| Lehman B2 Allocation G-1-297000 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 242K | 622K | Sep 2018 – Apr 2026 |
| Lehmann, Quintus O-3-19867 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 210K | 1.69M | Jan 1993 – Oct 2023 |
| Lehman D Allocation G-1-297453 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 206K | 748K | Sep 2018 – Apr 2026 |
| Lehman a Unit O-1-18619 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 5 | 184K | 442K | Feb 2018 – Apr 2026 |
| Lehman D Unit O-1-18248 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 183K | 577K | May 2013 – Apr 2026 |
| Lehmann Unit a Dim O-1-16652 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 177K | 264K | May 2013 – Apr 2026 |
| Lehman B Unit G-1-297457 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 177K | 630K | Jul 2016 – Apr 2026 |
| Lehmann-Lentz Co-OP Unit O-3-24489 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Washington | 1 | 177K | 625K | Dec 2003 – Sep 2025 |
| Lehman a Unit G-1-297458 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 164K | 399K | Feb 2018 – Apr 2026 |
| Lehman a Unit G-1-296998 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 156K | 353K | Feb 2018 – Apr 2026 |
| Lehman a Unit G-1-296991 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 149K | 313K | Mar 2018 – Apr 2026 |
| Lehman B Unit G-1-296999 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 137K | 236K | Feb 2018 – Apr 2026 |
| Cruse-Lehmann Unit O-3-21161 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 136K | 381K | Jan 1993 – Apr 2026 |
| Lehmann-Moerbe Unit O-3-21605 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 131K | 931K | Jan 1993 – Apr 2026 |
| Lehmann-Schkade Unit G-3-167303 | Progenies Operating LLC only | Giddings (North Edwards) | Fayette | 1 | 127K | 6.13M | Jun 1997 – Apr 2015 |
| Steglich-Lehmann Unit O-3-21647 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 123K | 156K | Jan 1993 – Apr 2026 |
| Lehman F Unit G-1-297308 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 121K | 564K | Jul 2019 – Apr 2026 |
| Lehman O-1-16544 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 3 | 112K | 464K | Apr 2013 – Apr 2026 |
| Dewitt-Lehmann Unit G-3-144572 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 109K | 1.17M | Feb 1993 – Apr 2026 |
| Lehman BF Allocation G-1-296990 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 105K | 452K | Jul 2019 – Apr 2026 |
| Lehman E Unit G-1-297461 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 102K | 290K | Oct 2016 – Apr 2026 |
| Lehman E Unit G-1-297459 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 102K | 291K | Oct 2016 – Apr 2026 |
| Lehmann O-3-21519 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 96.1K | 285K | Jan 1993 – Apr 2026 |
| Lehmann-Blume O-3-23334 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 87.7K | 1.18M | Aug 1997 – Apr 2026 |
| Lehmann OL Unit O-3-25652 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 84.9K | 10 | Apr 2010 – Mar 2026 |
| Seal Lehman a Unit G-1-291230 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 1 | 65K | 193K | Nov 2019 – Apr 2026 |
| Lehmann, Ira J. Unit O-3-17317 | Senora Resources, Inc. only | Giddings (Austin Chalk-3) | Lee | 1 | 64.3K | 146K | Jan 1993 – Mar 2018 |
| W. Lehmann Oil Unit O-3-21385 | XTO Energy Inc. only | Giddings (Austin Chalk-3) | Fayette | 1 | 62.3K | 680K | Jan 1993 – Sep 2010 |
| Lehmann-Clear Lake Pines Unit O-3-21433 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 58K | 134K | Jan 1993 – Apr 2026 |
| Seal Lehman a Unit G-1-291229 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 1 | 56.1K | 120K | Nov 2019 – Apr 2026 |
| Zoch-Lehmann Unit O-3-21481 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 49.7K | 258K | Jan 1993 – Apr 2026 |
| Lehmann O-3-22190 | McDaniel Company, Inc., The only | Giddings (Austin Chalk-3) | Lee | 1 | 44.7K | 19.5K | Mar 1993 – Mar 1999 |
| Lehman Unit O-3-2920 | Atasca Resources, Inc. only | Magnet Withers, E. (Frio) | Wharton | 1 | 44.6K | 27.9K | Jan 1993 – Jun 1996 |
| Lehman, W.F.L. G-4-95717 | Cimarron Engineering, LLC only | Mobil-David (Anderson, Seg. -R-) | Nueces | 1 | 43.7K | 2.39M | Jan 1993 – May 2009 |
| Lehman O-3-20930 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 41K | 12.8K | Jan 1993 – Feb 2026 |
| Lehmann-Von Minden O-3-21855 | Coastal Oil & Gas Corporation only | Giddings (Austin Chalk-3) | Fayette | 1 | 34.2K | 205K | Jan 1993 – Feb 1993 |