| Venus-Wilson O-1-12606 | Golden Child, Inc. only | Pearsall (Austin Chalk) | Dimmit | 2 | 22.9K | 39.2K | by Jan 1993 – Dec 1997 |
| Circle T O-1-15287 | Sage Energy Company only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 22.8K | 144K | Sep 2011 – Oct 2020 |
| Dillon, B. W. -A- O-1-4811 | L & J Exploration, LLC only | Catarina, E. (Olmos A) | Dimmit | 1 | 22.8K | 259K | by Jan 1993 – May 2017 |
| Fogmt G-1-253301 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 22.6K | 220K | Sep 2009 – Feb 2023 |
| Gates Ranch "A" O-1-14432 | Lewis Petro Properties, Inc. only | Catarina, SW. (Olmos) | Webb | 3 | 22.6K | 55.9K | Mar 2003 – Apr 2011 |
| Huck, C.C. O-1-10706 | McDaniel Company, Inc., The only | Big Wells (San Miguel) | Dimmit | 2 | 22.5K | 886 | by Jan 1993 – Mar 2009 |
| Pritchett O-1-16342 | El Toro Resources LLC only | Pearsall (Austin Chalk) | Dimmit | 1 | 22.4K | 2.31K | Feb 2012 – Aug 2026 |
| Faith Bonita K Unit O-1-18404 | Chesapeake Operating, L.L.C. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 22.3K | 58.2K | Jun 2016 – Jul 2016 |
| Dunlap, Samuel C. III O-1-4266 | Sabinal Resources, Inc. only | Big Wells(san Miguel, Lo., East) | Dimmit | 5 | 22.2K | 1.64K | by Jan 1993 – May 2014 |
| Frost Natl Bank, Tr. -B- O-1-4926 | Botasch Operating, LLC only | Big Wells(san Miguel, Lo., East) | Dimmit | 2 | 22.2K | 13K | by Jan 1993 – Oct 2004 |
| Bermuda O-1-13043 | Ampak Oil Company only | Pearsall (Austin Chalk) | Dimmit | 1 | 21.9K | 33.4K | by Jan 1993 – May 2006 |
| Hamilton Ranch O-1-13709 | Hamilton, J. R. only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 21.9K | 6.39K | Mar 1993 – Jan 2020 |
| Briscoe Friday Ranch G-1-271678 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 21.8K | 337K | Sep 2013 – May 2019 |
| Berry O-1-18294 | Huntington Energy, L.L.C. only | Pearsall (Buda, S.) | Dimmit | 1 | 21.8K | 498K | Jul 2014 – Aug 2026 |
| Faith Bonita X Unit O-1-18400 | Chesapeake Operating, L.L.C. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 21.7K | 51.2K | Jun 2016 – Jul 2016 |
| Briscoe O-1-14710 | Crimson Energy Partners, L.P. only | Catarina, SW (San Miguel,oil) | Dimmit | 1 | 21.5K | 122K | May 2006 – Apr 2007 |
| S McKnight B O-1-18664 | Huntington Energy, L.L.C. only | Pearsall (Austin Chalk) | Dimmit | 1 | 21.4K | 127K | Mar 2015 – Aug 2026 |
| Strait O-1-13066 | Sedco Resources Inc only | Pearsall (Austin Chalk) | Dimmit | 1 | 21.4K | 813 | by Jan 1993 – Jan 2004 |
| Briscoe Catarina West Unit A G-1-286489 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 21.1K | 368K | Sep 2018 – Aug 2026 |
| Briscoe-McKnight G-1-272273 | Espada Energy, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 21.1K | 90.4K | Jul 2013 – May 2021 |
| Conn-Noah Unit O-1-4184 | Arrco Operating, LLC only | Good Luck (San Miguel) | Dimmit | 1 | 21K | 581 | by Jan 1993 – Aug 2026 |
| Covert, F. M. G-1-200654 | El Toro Resources LLC only | Pena Creek (Georgetown) | Dimmit | 1 | 20.9K | 561K | Feb 2004 – Aug 2026 |
| Baggett, John B. -A- O-1-5177 | Omni Operating Company(a) only | Pearsall (Austin Chalk) | Dimmit | 2 | 20.9K | 10 | by Jan 1993 – Jan 1999 |
| Piloncillo G-1-283005 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 20.8K | 303K | May 2017 – Jul 2026 |
| Martin Unit a Dim O-1-16677 | Chesapeake Operating, L.L.C. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 20.6K | 45.6K | Dec 2012 – Mar 2013 |
| Moro Creek Ranch O-1-8707 | MCR Operating Group only | Catclaw (Olmos) | Dimmit | 2 | 20.6K | 67.1K | by Jan 1993 – Feb 2026 |
| Cotulla G-1-279604 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 20.6K | 342K | Jul 2015 – Aug 2026 |
| Kothman-Barnard O-1-14759 | Hamilton, J. R. only | Pena Creek (San Miguel 2ND) | Dimmit | 5 | 20.4K | 24.3K | May 2006 – Aug 2026 |
| Faith-San Pedro S Unit O-1-18373 | Chesapeake Operating, L.L.C. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 20.4K | 63.9K | Mar 2015 – Apr 2015 |
| George, Burton O. O-1-14400 | Silver Hill Energy Operating LLC only | Big Wells (San Miguel) | Dimmit | 1 | 20.3K | 666 | Oct 2002 – Aug 2026 |
| S McKnight C O-1-18663 | Huntington Energy, L.L.C. only | Pearsall (Austin Chalk) | Dimmit | 1 | 20.3K | 72.7K | Oct 2015 – Jan 2026 |
| Groce, J. G. et Al O-1-4323 | Imperator Operating, LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 3 | 20.2K | 575 | by Jan 1993 – Oct 2018 |
| Bradberry Unit B Dim O-1-16539 | Chesapeake Operating, L.L.C. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 20.2K | 35.1K | Dec 2012 – Feb 2013 |
| Irish-Gregg Unit O-1-13561 | Oryx Energy Company only | Pearsall (Austin Chalk) | Dimmit | 1 | 20.1K | 12.3K | by Jan 1993 – Dec 1995 |
| Baggett, J. B. O-1-12580 | Trinity Operating (Usg), LLC only | Pearsall (Austin Chalk) | Dimmit | 3 | 19.8K | 29.7K | by Jan 1993 – May 2009 |
| Piloncillo G-1-269200 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 19.8K | 290K | Feb 2013 – Apr 2026 |
| San Pedro Ranch O-1-15023 | Anadarko E&P Company LP only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 19.7K | 60.1K | Oct 2008 – Aug 2009 |
| Heitz O-1-14819 | Hawthorn Energy Partners, LLC only | Pearsall (Austin Chalk) | Dimmit | 1 | 19.7K | 21.2K | Nov 2006 – Sep 2009 |
| Dimmit-Padilla O-1-13069 | Texakoma Oil & Gas Corporation only | Pearsall (Austin Chalk) | Dimmit | 1 | 19.7K | 38.1K | by Jan 1993 – Apr 1998 |
| Faith Bonita W Unit O-1-18395 | Chesapeake Operating, L.L.C. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 19.6K | 23.8K | Mar 2015 – May 2015 |
| Simmons, L.R. O-1-10424 | Eagle Energy Resources, LLC only | Carrizo, W (Olmos) | Dimmit | 1 | 19.6K | 65 | by Jan 1993 – Apr 2016 |
| Piloncillo G-1-283025 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 19.5K | 339K | May 2017 – Jul 2026 |
| Faith San Pedro W Unit O-1-18366 | Chesapeake Operating, L.L.C. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 19.4K | 48.6K | Mar 2015 – Jun 2015 |
| McLean-Bowman -B- O-1-4246 | Double U Oil Co., Ltd. only | Good Luck (San Miguel) | Dimmit | 4 | 19.4K | 13K | by Jan 1993 – Feb 1997 |
| Brady, T. H. O-1-4335 | Imperator Operating, LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 3 | 19.4K | 4.44K | by Jan 1993 – May 2018 |
| Kinnard-McClarty Unit O-1-13509 | Sage Energy Company only | Pearsall (Austin Chalk) | Dimmit | 2 | 19.3K | 20.4K | by Jan 1993 – Aug 2017 |
| Russell O-1-18549 | CML Exploration, LLC only | Pearsall (Buda, S.) | Dimmit | 1 | 19.2K | 449K | Feb 2015 – Jul 2018 |
| Fitzsimons, Hugh A. et Al O-1-13337 | Prime Operating Company only | Hugh Fitzsimons (Olmos) | Dimmit | 1 | 19K | 31.4K | by Jan 1993 – Oct 1995 |
| Rod, R.J. (Bob) -A- O-1-12393 | Sabinal Resources, Inc. only | Pearsall (Austin Chalk) | Dimmit | 2 | 18.8K | 590 | by Jan 1993 – Nov 2007 |
| Alvin Blalack 77 O-1-17951 | Flint Oak Energy, LLC only | Pearsall (Austin Chalk) | Dimmit | 1 | 18.7K | 7.67K | May 2013 – Mar 2021 |