| Obregon O-1-7149 | Pearsall (Austin Chalk) | Frio | 1 | 53.3K | 38.2K | Jan 1993 – Jul 2026 |
| Price, J.E. O-3-15450 | Arcola (7400 Frio) | Brazoria | 1 | 42.5K | 40.9K | Jan 1993 – Jul 2026 |
| McBride/Ragsdale O-4-12178 | Taft, South (6280 Sand) | San Patricio | 1 | 38.2K | 24K | Mar 1993 – Jul 2026 |
| Netterville O-10-4517 | Netterville | — | 8 | 9.96K | 101 | Jan 1993 – Jul 2026 |
| Waltom, Lillian O-1-8687 | Velma (ESCONDID0) | Atascosa | 3 | 8.92K | 363 | Jan 1993 – Jul 2026 |
| Brandenburg O-10-10573 | Netterville | — | 5 | 7.55K | 101 | Jan 1993 – Jul 2026 |
| Wardlaw-Lindsay O-11-67771 | Forbes (Glorieta) | Crosby | 2 | 7.02K | 0 | Feb 1997 – Jul 2026 |
| Wallis -B- O-10-7321 | Ward, South | Ward | 10 | 6.55K | 79 | Jan 1993 – Jul 2026 |
| Abell O-10-9410 | Netterville | — | 6 | 5.43K | 101 | Jan 1993 – Jul 2026 |
| Walton, Lillian O-1-10461 | Velma (Buda Lime) | Atascosa | 1 | 4.96K | 20 | Jan 1993 – Jul 2026 |
| Stephenson,margaret O-1-12167 | Pearsall (Austin Chalk) | Frio | 1 | 4.86K | 1.85K | Jan 1993 – Jul 2026 |
| Campbell O-1-9464 | Velma (ESCONDID0) | Atascosa | 1 | 3.47K | 174 | Jan 1993 – Jul 2026 |
| Reed, D. C. -A- O-10-10182 | Netterville | — | 5 | 3.27K | 101 | Jan 1993 – Jul 2026 |
| Brandenburg -C- O-10-10854 | Netterville | — | 5 | 3.11K | 100 | Jan 1993 – Jul 2026 |
| Cassin, Mrs. S. D. S. et AL O-1-5278 | Batesville, SW. (San Miguel) | — | 1 | 1.89K | 18 | Jan 1993 – Jul 2026 |
| Brandenburg -P- O-10-4516 | Netterville | — | 7 | 1.64K | 101 | Jan 1993 – Jul 2026 |
| Lancaster -A- O-10-10619 | Netterville | — | 4 | 1.33K | 100 | Jan 1993 – Jul 2026 |
| Brandenburg -B- O-10-10220 | Netterville | — | 3 | 1.23K | 101 | Jan 1993 – Jul 2026 |
| Brandenburg -M- O-10-4515 | Netterville | — | 4 | 734 | 101 | Jan 1993 – Jul 2026 |
| Wardlaw-Lindsay O-11-68108 | Forbes (San Andres) | Crosby | 1 | 563 | 0 | Apr 1999 – Jul 2026 |
| Flinn Heirs O-4-11223 | Taft, South (7200 Sand) | San Patricio | 1 | 510 | 10.4K | Jan 1993 – Jul 2026 |
| Martin, Jim O-1-9901 | LA Parita | Atascosa | 2 | 274 | 18 | Jan 1993 – Jul 2026 |
| Steele-Schmucker Unit O/A O-3-21460 | Stowell (Schmucker) | Jefferson | 1 | 229 | 0 | Jan 1993 – Jul 2026 |
| Koch, T. F., NCT-2 O-3-8981 | Stowell (Crawford U-1) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Koch-Santa FE Unit O-3-9006 | Stowell (Intermediate U-2) | Jefferson | 3 | 0 | 0 | Jan 1993 – Jul 2026 |
| Hugo II O-1-12415 | Pearsall (Austin Chalk) | Frio | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Barber G-2-137030 | Blanco Creek (Frio 4700-Carter) | Refugio | 1 | 0 | 18.2K | Jan 1993 – Jul 2026 |
| Steele-Schmucker Unit O/A O-3-9019 | Stowell (Stewart U-3) | Jefferson | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Koch,t.f.nct-1 G-3-56640 | Stowell (Crawford U-1) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Koch,t. F.,nct-1 O-3-10546 | Stowell (Englin-Marg) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Koch, T. F., NCT-1 O-3-8524 | Stowell (Intermediate -B-) | Jefferson | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Burns Heirs O-1-12271 | Pearsall (Austin Chalk) | LA Salle | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| O'Connor, M.E. G-2-119778 | Woodsboro (3250) | Refugio | 1 | 0 | 217K | Jan 1993 – May 2020 |
| Oconnor, M. E. G-2-83329 | Woodsboro (3500) | Refugio | 1 | 0 | 0 | Jan 1993 – May 2020 |
| Wendel, Alonzo et UX G-2-146730 | Reichert (Frio 3530) | Goliad | 1 | 0 | 57.3K | Aug 1993 – Aug 2018 |
| Preston Preiss et AL G-2-145927 | Reichert (Miocene 1800) | Goliad | 1 | 0 | 185K | Mar 1993 – Aug 2018 |
| Preiss, Preston et AL G-2-123026 | Reichert (Miocene 1800) | Goliad | 1 | 0 | 1.89K | Jan 1993 – Aug 2018 |
| Wendel, Alonzo et UX G-2-145896 | Reichert (Frio 3040) | Goliad | 1 | 0 | 310K | Mar 1993 – Aug 2018 |
| Morrison G-2-131840 | Marshall (Frio II B) | Goliad | 1 | 0 | 126K | Jan 1993 – Jul 2018 |
| Morrison G-2-130897 | Marshall (Frio VII) | Goliad | 1 | 0 | 23.2K | Jan 1993 – Jul 2018 |
| Koch-Santa FE Unit G-3-81917 | Stowell (5800) | Jefferson | 1 | 0 | 0 | Jan 1993 – Feb 2018 |
| Holland, Kathleen et al Unit 1 G-2-145901 | Maetze (1550 Miocene) | Goliad | 1 | 0 | 83.4K | Mar 1993 – Oct 2017 |
| Wendel, A. G-2-182103 | Schroeder (Frio 2830) | Goliad | 1 | 0 | 0 | Mar 2001 – Dec 2016 |
| Ray G-2-131469 | Poesta Creek (2700) | Bee | 1 | 0 | 291K | Jan 1993 – Aug 2009 |
| McCoy O-1-12877 | Pearsall (Austin Chalk) | Frio | 1 | 5.19K | 13 | Jan 1993 – Mar 2008 |
| Valmore Unit O-3-7511 | Stowell (7350) | — | 1 | 27 | 0 | Jan 1993 – Mar 2008 |
| Schmucker, S. J. O-3-18260 | Stowell | — | 1 | 0 | 0 | Jan 1993 – Mar 2008 |
| Watt, E.A. O-3-20730 | Livingston | — | 1 | 0 | 0 | Jan 1993 – Mar 2008 |
| Koch Santa FE Unit O-3-7820 | Stowell (6650) | — | 2 | 0 | 0 | Jan 1993 – Mar 2008 |
| Koch Santa FE Unit O-3-21518 | Stowell (5800) | Jefferson | 1 | 0 | 0 | Jan 1993 – Mar 2008 |