| Winterbotham Zav O-1-15744 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 57 | 16M | 9.21M | Sep 2011 – Jul 2026 |
| Traylor South Zav O-1-15766 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 34 | 8.9M | 6.34M | Nov 2011 – Jul 2026 |
| Traylor North O-1-15412 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 28 | 5.09M | 4.07M | Jan 2011 – Jul 2026 |
| Howett O-1-15772 | Buffco Production Inc. only | Briscoe Ranch (Eagleford) | Zavala | 15 | 3.11M | 1.29M | Oct 2011 – Jul 2026 |
| Big Wells /San Miguel/ Unit O-1-4421 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Dimmit | 337 | 3.1M | 998K | Jan 1993 – Jul 2026 |
| Priest-Trinkle O-1-19958 | Buffco Production Inc. only | Briscoe Ranch (Eagleford) | Zavala | 8 | 2.03M | 840K | Nov 2019 – Jul 2026 |
| LLM South O-1-19132 | U.S. Energy Development Corp only | Briscoe Ranch (Eagleford) | Zavala | 7 | 1.78M | 2.73M | May 2017 – Jul 2026 |
| KM-Miller Unit Zav O-1-18398 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 4 | 1.68M | 772K | Jul 2015 – Jul 2026 |
| Howett Zav O-1-18015 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 5 | 1.4M | 593K | Sep 2014 – Jul 2026 |
| Traylor Unit Zav M O-1-17867 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 6 | 1.32M | 707K | Feb 2014 – Jul 2026 |
| Ferguson-McKnight O-1-15263 | Magnolia Oil & Gas Operating LLC only | Briscoe Ranch (Eagleford) | Zavala | 22 | 1.24M | 837K | Aug 2010 – Jul 2026 |
| Tidwell East Zav O-1-16636 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 4 | 1.12M | 445K | Nov 2012 – Jul 2026 |
| Traylor Unit Zav N O-1-17653 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 6 | 1.05M | 753K | Feb 2014 – Jul 2026 |
| Booth-Weaver O-1-12677 | Crescent Energy Operating, LLC only | Pearsall (Austin Chalk) | Zavala | 9 | 1.03M | 963K | Jan 1993 – Jul 2026 |
| Sola Vaca Norte O-1-19798 | U.S. Energy Development Corp only | Briscoe Ranch (Eagleford) | Zavala | 6 | 1.02M | 1.93M | May 2019 – Jul 2026 |
| Robert Walker Unit Zav B O-1-17827 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 3 | 997K | 353K | Jul 2014 – Jul 2026 |
| KM South Zav O-1-17123 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 4 | 985K | 513K | May 2013 – Jul 2026 |
| LA Mota Zav O-1-17759 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Zavala | 5 | 959K | 656K | May 2014 – Jul 2026 |
| Pickens Ranch O-1-13647 | Hawthorn Energy Partners, LLC only | Pearsall (Austin Chalk) | Zavala | 6 | 946K | 419K | Jan 1993 – Jul 2026 |
| Spinach Elaine Unit O-1-10149 | Rickaway Energy, Corp. only | Spinach (Elaine) | Zavala | 12 | 928K | 351K | Jan 1993 – Jul 2026 |
| Glasscock Ranch C O-1-20777 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 18 | 902K | 2.3M | Sep 2022 – Jul 2026 |
| Chittim Heirs O-1-16989 | Blackbrush O & G, LLC only | Briscoe Ranch (Eagleford) | Zavala | 8 | 892K | 2.27M | Apr 2011 – Jul 2026 |
| Elaine (5100) Unit O-1-7143 | White Marlin Operating Co, LLC only | Elaine (5100) | Dimmit | 15 | 878K | 12K | Jan 1993 – Jul 2026 |
| Buchanan, John F. -A- O-1-13173 | Flint Oak Energy, LLC only | Pearsall (Austin Chalk) | Zavala | 5 | 852K | 682K | Jan 1993 – Jul 2026 |
| Coleman Zav D O-1-17448 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 6 | 841K | 310K | Dec 2013 – Jul 2026 |
| Coleman Unit Zav E O-1-18314 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 3 | 805K | 321K | Feb 2015 – Jul 2026 |
| Wilson-Gates B O-1-21087 | Buffco Production Inc. only | Briscoe Ranch (Eagleford) | Zavala | 5 | 785K | 204K | Jul 2023 – Jul 2026 |
| Petro Pards O-1-16031 | Atlas Operating LLC only | Briscoe Ranch (Eagleford) | Zavala | 6 | 783K | 207K | Jun 2012 – Jul 2026 |
| KM North Zav O-1-15963 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 3 | 752K | 296K | Apr 2012 – Jul 2026 |
| Stch-Johnson O-1-20694 | Buffco Production Inc. only | Briscoe Ranch (Eagleford) | Zavala | 4 | 734K | 369K | Jul 2022 – Jul 2026 |
| Traylor West Zav C O-1-15993 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 8 | 695K | 423K | Dec 2011 – Jul 2026 |
| N Bauerle a Unit O-1-19512 | Ageron Energy, LLC only | Briscoe Ranch (Eagleford) | Zavala | 3 | 693K | 1.2M | Sep 2018 – Jul 2026 |
| Traylor Unit Zav L O-1-18230 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 4 | 691K | 565K | Nov 2014 – Jul 2026 |
| Miller Unit Zav O-1-19231 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 2 | 659K | 282K | Jan 2018 – Jul 2026 |
| Norma Jeanne O-1-19641 | Formentera Operations LLC only | Briscoe Ranch (Eagleford) | Zavala | 3 | 622K | 294K | Jul 2018 – Jul 2026 |
| J&M Holdsworth Zav O-1-18279 | Buffco Production Inc. only | Briscoe Ranch (Eagleford) | Zavala | 5 | 599K | 334K | Oct 2014 – Jul 2026 |
| Winterbotham-Commerce Unit O-1-19616 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 2 | 575K | 1.72M | Mar 2019 – Jul 2026 |
| Beeler O-1-17577 | Crescent Energy Operating, LLC only | Pearsall (Buda, S.) | Zavala | 7 | 570K | 2.45M | May 2013 – Jul 2026 |
| Heitz 302 O-1-17732 | Sage Energy Company only | Pearsall (Buda, S.) | Zavala | 2 | 570K | 1.76M | Jun 2012 – Jul 2026 |
| Cenizo A O-1-20302 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Zavala | 18 | 553K | 3.11M | Jun 2020 – Jul 2026 |
| Commerce Unit Zav B O-1-19916 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 4 | 551K | 486K | Oct 2019 – Jul 2026 |
| Parkway O-1-18957 | CML Exploration, LLC only | Pena Creek (Georgetown) | Zavala | 1 | 539K | 814K | Feb 2017 – Jul 2026 |
| KM-Winterbotham Unit Zav O-1-19418 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 515K | 247K | Aug 2018 – Jul 2026 |
| Kleimann O-1-19427 | CML Exploration, LLC only | Pena Creek (Georgetown) | Zavala | 2 | 501K | 844K | Feb 2018 – Jul 2026 |
| J&M Holdsworth Unit Zav G O-1-17495 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 2 | 494K | 148K | Nov 2013 – Jul 2026 |
| LLM Zav South O-1-18771 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Zavala | 3 | 466K | 348K | Feb 2015 – Jul 2026 |
| LLM North O-1-19495 | U.S. Energy Development Corp only | Briscoe Ranch (Eagleford) | Zavala | 2 | 459K | 775K | Nov 2018 – Jul 2026 |
| Thompson O-1-14742 | CML Exploration, LLC only | Pearsall (Austin Chalk) | Zavala | 2 | 456K | 391K | Oct 2006 – Jul 2026 |
| Winterbotham-TN Unit Zav O-1-19779 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 448K | 182K | Aug 2019 – Jul 2026 |
| KM-Commerce Unit Zav O-1-20010 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 2 | 445K | 289K | Oct 2019 – Jul 2026 |