| 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 |
| Sacks, Sylvia #1 O-3-20800 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 5 | 643K | 997K | Jan 1993 – Apr 2026 |
| Gonzo O-3-27776 | Paleo Oil Company LLC only | Giddings (Austin Chalk-3) | Lee | 3 | 629K | 1.47M | Jan 2020 – Mar 2026 |
| Double Eagle Ranch 'B' O-3-22028 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 620K | 670K | Feb 1993 – Jul 2009 |
| Umlang-Lehmann Unit O-3-26560 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 3 | 610K | 194K | Apr 2018 – Apr 2026 |
| Animal O-3-27940 | Paleo Oil Company LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 602K | 1.27M | Dec 2021 – Mar 2026 |
| Hannes EF O-3-28195 | Sage Natural Resources LLC only | Giddings (Eagleford) | Lee | 2 | 598K | 145K | Sep 2024 – Apr 2026 |
| Dunkin Unit O-3-27708 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 587K | 1.54M | Oct 2018 – Apr 2026 |
| Rangel-Behrens Unit O-3-26774 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 2 | 574K | 303K | Jul 2015 – Apr 2026 |
| Cameron-Mamie Unit No. 1 O-3-22444 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 566K | 1M | Mar 1994 – Apr 2026 |
| Leona Luecke Unit O-3-26450 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 2 | 529K | 213K | Mar 2014 – 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 |
| Kissman Unit O-3-26668 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 3 | 511K | 310K | Sep 2014 – Apr 2026 |
| Steahr Unit O-3-26662 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 2 | 509K | 267K | Jul 2014 – Apr 2026 |
| Randolph O-3-22367 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 3 | 508K | 1.4M | Feb 1994 – Apr 2026 |
| McCowan Unit O-3-26661 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 2 | 483K | 231K | May 2014 – Apr 2026 |
| Ullrich 'A' O-3-22179 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 478K | 1.27M | May 1993 – Apr 2026 |
| Thundercreek Four O-3-28190 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 465K | 1.24M | May 2024 – Apr 2026 |
| Schmidt, Mamie O-3-20245 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 451K | 1.3M | Dec 1993 – Feb 2021 |
| Marek Unit O-3-28127 | Sage Natural Resources LLC only | Giddings (Eagleford) | Lee | 2 | 450K | 128K | Mar 2024 – Apr 2026 |
| Lawn Mower Unit O-3-27053 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Lee | 3 | 433K | 198K | Oct 2015 – Mar 2026 |
| Beaver Dam O-3-28147 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 432K | 718K | Feb 2024 – 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 |
| Jaeger Unit O-3-26557 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 2 | 413K | 193K | Jan 2018 – Apr 2026 |
| Massey O-3-22560 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 412K | 552K | Nov 1994 – Apr 2026 |
| Thundercreek Two O-3-28187 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 411K | 982K | May 2024 – Apr 2026 |
| Kocurek 151 O-3-26919 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Lee | 1 | 410K | 112K | Aug 2015 – Mar 2026 |
| Castlewood 'B' O-3-27974 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 399K | 1M | Jul 2021 – Apr 2026 |
| K-Bob #1 O-3-16966 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 399K | 1.32M | Jan 1993 – Apr 2026 |
| Nink-Aschenbeck Unit O-3-21593 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 398K | 668K | Jan 1993 – Apr 2026 |
| Schultz, Charles O-3-20614 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 6 | 395K | 726K | Jan 1993 – Apr 2026 |
| Castlewood 'A' O-3-27973 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 380K | 1.1M | Jul 2021 – Apr 2026 |
| Albert Luecke Unit O-3-26307 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 1 | 376K | 231K | Jan 2014 – Apr 2026 |
| Balcar Unit O-3-25862 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Lee | 1 | 376K | 103K | Jul 2012 – Mar 2026 |
| Pedro Vega Unit O-3-26658 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 2 | 372K | 112K | Dec 2017 – Apr 2026 |
| Pamela O-3-18984 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 4 | 370K | 2.01M | Jan 1993 – Apr 2026 |
| McCrae EF Unit O-3-28245 | Sage Natural Resources LLC only | Giddings (Eagleford) | Lee | 2 | 368K | 137K | Aug 2025 – 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 |
| Tarwater O-3-12505 | Ernest Operating Company only | Noack Cow Herd, East (Navarro) | Burleson | 21 | 366K | 114K | Jan 1993 – Apr 2026 |
| Higgins Unit O-3-22346 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 351K | 600K | Mar 1994 – Apr 2026 |
| Cascades Five O-3-28228 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 351K | 578K | Feb 2025 – Apr 2026 |
| Miertschin-Green Unit O-3-22214 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 348K | 377K | Nov 1993 – Aug 2004 |
| Citation Unit O-3-27476 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 1 | 346K | 144K | Sep 2018 – Apr 2026 |
| Castlewood 'C' O-3-27975 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 343K | 726K | Jul 2021 – Apr 2026 |
| Wieder-OL Unit O-3-21972 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 342K | 533K | Apr 1993 – Mar 2026 |
| Ruthven, Shirley O-3-22496 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 338K | 1.1M | Jul 1994 – Apr 2026 |
| Cascades Three O-3-28230 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 334K | 519K | Feb 2025 – Apr 2026 |
| Beaver White O-3-28150 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 330K | 653K | Feb 2024 – Apr 2026 |
| Unger OL Unit O-3-22073 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 330K | 427K | May 1993 – Apr 2026 |