| Swierc G. U. G-2-162763 | Texas Independent Explor Ltd. only | Tom Lyne (Luling 8800) | Live Oak | 1 | 47.5K | 3.01M | Oct 1996 – Mar 2001 |
| KMF 120 G-4-186773 | Sarita Energy Resources, Ltd. only | Potrero Toro (Frio G 89) | Kenedy | 1 | 46.7K | 1.59M | Jun 2001 – Aug 2004 |
| Swierc G. U. G-2-178849 | D90 Energy, LLC only | Tom Lyne (Luling 8800 East) | Live Oak | 1 | 34.1K | 1.63M | Oct 1997 – Jan 2023 |
| La Presa G-4-223826 | D. O. G. Operating, LLC only | Jack Russell (Vicksburg 8520) | Brooks | 1 | 21.1K | 2.52M | Dec 2006 – Mar 2024 |
| Lyne, T.J. G-2-162197 | Vastar Resources, Inc. only | Tom Lyne (Luling 8800) | Live Oak | 1 | 19.9K | 1.11M | Feb 1997 – Apr 1998 |
| Ripple, Roddy G-4-155499 | Lomak Production Company only | Brayton, N. (Vicksburg 8950) | Nueces | 1 | 15.8K | 83K | Aug 1995 – Mar 1997 |
| La Presa G-4-242015 | D. O. G. Operating, LLC only | Jack Russell (Vicksburg 8520) | Brooks | 1 | 15.1K | 319K | Oct 2008 – Aug 2023 |
| Hall, J. F. State G-4-70638 | Killam Oil Co., Ltd. only | Rincon, North (Vicksburg 8200) | Starr | 1 | 14.9K | 2.55M | by Jan 1993 – Aug 2026 |
| Chapa, David G-4-135322 | Totalfinaelf E&P USA Inc only | Tabasco (Vicksburg 8600) | Hidalgo | 1 | 12.5K | 979K | by Jan 1993 – Nov 2002 |
| Williams, Maude et al "A" G-2-205741 | Hilcorp Energy Company only | Lake Pasture (Vicksburg 8100) | Refugio | 1 | 10.5K | 836K | Sep 2004 – Jul 2015 |
| Slick Est. -C- G-4-126992 | Mountain V Texas, LLC only | Borosa, NW. (Vicksburg 8350) | Starr | 1 | 9.51K | 1.5M | by Jan 1993 – Aug 2026 |
| Hall, J. F. State G-4-156040 | Killam Oil Co., Ltd. only | Rincon, North (Vicksburg 8200) | Starr | 1 | 9.39K | 478K | Aug 1995 – May 1997 |
| Nimmo G.U. NO.1 G-4-100836 | Wagner Oil Company only | Yzaguirre (Vicksburg 8600) | Starr | 1 | 9.16K | 339K | by Jan 1993 – Mar 2002 |
| Flavio Venecia GU #1 G-4-146487 | Neuhaus, V. F. Properties, Inc. only | La Encantada (Vicksburg 8800) | Brooks | 1 | 8.2K | 230K | Oct 1993 – Mar 1995 |
| Martinez, B. G-4-37623 | Hilcorp Energy Company only | Rincon, North (Vicksburg 8200) | Starr | 1 | 8.14K | 1.36M | by Jan 1993 – May 2005 |
| Martinez -B- G-4-176565 | Hilcorp Energy Company only | Rincon, North (Vicksburg 8200) | Starr | 1 | 8.05K | 635K | Mar 2000 – Aug 2026 |
| Cleopatra G-4-241047 | Orx Resources, L.L.C. only | El Pavo (Vicksburg 8250) | Starr | 1 | 7.01K | 1.02M | Jun 2008 – Aug 2026 |
| Williams, Maude et al "A" G-2-214334 | Hilcorp Energy Company only | Lake Pasture (Vicksburg 8100) | Refugio | 1 | 6.45K | 1.2M | Aug 2005 – Jan 2021 |
| Guerra, Arcadio G-4-177134 | Hilcorp Energy Company only | McMoran (Vicksburg 8200) | Hidalgo | 1 | 5.96K | 336K | Jan 2000 – Aug 2025 |
| Zimmerman, R.M. G-4-160209 | Barrett Brothers Oil & Gas, Inc. only | El Pavo (Vicksburg 8250) | Starr | 1 | 5.74K | 610K | Aug 1996 – Jun 2000 |
| Burlington Fee A-517 G-2-242116 | Hunt Oil Company only | R. S. E. (Luling 8700) | Live Oak | 1 | 5.02K | 247K | Oct 2007 – Jul 2008 |
| State of Texas Gas Unit #1 G-4-173496 | Shell Western E&P only | Borosa, S. (Vicksburg 8850) | Starr | 1 | 3.69K | 325K | Feb 1999 – Jul 2001 |
| La Presa G-4-232767 | D. O. G. Operating, LLC only | Jack Russell (Vicksburg 8520) | Brooks | 1 | 2.76K | 920K | Nov 2007 – Sep 2023 |
| Mulholland, Etal G-4-242919 | Orx Resources, L.L.C. only | El Pavo (Vicksburg 8250) | Starr | 1 | 2.36K | 148K | May 2008 – Oct 2008 |
| KCT G-4-193154 | Sarita Energy Resources, Ltd. only | Potrero Toro (Frio G 89) | Kenedy | 1 | 2.17K | 95.5K | Dec 2002 – Aug 2003 |
| Alvarado, Francisco G-4-66568 | Neuhaus, V. F. Properties, Inc. only | Rincon, North (Vicksburg 8500) | Starr | 1 | 1.65K | 391K | by Jan 1993 – May 2011 |
| McGill Bros. NCT-1 G-4-140800 | Chevron U. S. A. Inc. only | Encinitas (Vicksburg 8000) | Brooks | 1 | 1.59K | 1.42M | by Jan 1993 – Sep 2004 |
| La Presa G-4-237334 | D. O. G. Operating, LLC only | Jack Russell (Vicksburg 8520) | Brooks | 1 | 1.5K | 146K | Mar 2008 – Feb 2016 |
| Guerra, Arcadio G-4-47174 | Merit Energy Company only | McMoran (Vicksburg 8400) | Hidalgo | 1 | 1.37K | 60.1K | by Jan 1993 – Dec 1999 |
| Barrera G-4-182554 | Sierra Resources, LLC only | McMoran (Vicksburg 8400) | Hidalgo | 1 | 1.3K | 181K | Apr 2001 – Feb 2002 |
| Gillespie Gas Unit G-4-254874 | Suemaur Expl. & Prod., LLC only | Brayton, N. (Vicksburg 8950) | Nueces | 1 | 1.22K | 14.5K | Dec 2009 – Dec 2010 |
| La Presa G-4-233527 | D. O. G. Operating, LLC only | Jack Russell (Vicksburg 8520) | Brooks | 1 | 1.2K | 252K | Oct 2007 – Sep 2023 |
| Echols, George G-4-155912 | Greenbrier Oper. Co. only | Cowboy (Vksbg 8100) | Starr | 1 | 1.04K | 58.4K | Sep 1995 – Jun 1997 |
| Lyne, T.J. G-2-184053 | Hilcorp Energy Company only | Tom Lyne (Luling 8800) | Live Oak | 1 | 989 | 253K | Nov 2000 – Sep 2008 |
| Longoria G-4-242575 | White Oak Operating Company LLC only | Cowboy (Vksbg 8100) | Starr | 1 | 814 | 157K | Oct 2008 – Jul 2013 |
| La Presa G-4-233195 | D. O. G. Operating, LLC only | Jack Russell (Vicksburg 8520) | Brooks | 1 | 762 | 141K | Dec 2007 – Mar 2023 |
| Martinez, B. G-4-37704 | Hilcorp Energy Company only | Rincon, N (Vicksburg 8200 Seg B) | Starr | 1 | 567 | 18.9K | by Jan 1993 – Nov 1995 |
| Hall, J. F. State G-4-179410 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon, North (Vicksburg 8200) | Starr | 1 | 535 | 42.5K | Sep 2000 – Apr 2003 |
| Gantt, Ada Elizabeth G-2-139802 | Rodeo Resources, L.L.C. only | Cabeza Creek, S. (Luling 8100) | Goliad | 1 | 525 | 225K | by Jan 1993 – Apr 2003 |
| Pradera G-4-158888 | BDR Energy Corporation only | Jack Russell (Vicksburg 8520) | Brooks | 1 | 506 | 6.11K | Apr 1996 – Aug 1996 |
| Martinez B G-4-182467 | Noble Energy Inc only | Rincon, North (Vicksburg 8200) | Starr | 1 | 453 | 248K | Apr 2001 – Feb 2004 |
| McNair, Joe G-4-108567 | Lomak Production Company only | Brayton, N. (Vicksburg 8950) | Nueces | 1 | 189 | 15.6K | by Jan 1993 – Feb 1995 |
| Martinez, Felix G-4-36817 | Neuhaus, V. F. Properties, Inc. only | Rincon, N (Vicksburg 8200 Seg B) | Starr | 1 | 152 | 25.4K | by Jan 1993 – Jan 1996 |
| Nimmo Unit G-4-15333 | Neuhaus, V. F. Properties, Inc. only | Yzaguirre (Vicksburg 8500) | Starr | 1 | 108 | 119 | May 1995 – May 1995 |
| Clegg 83 G-9-277752 | Scout Energy Management LLC only | Ozona (Canyon Sand) | Crockett | 1 | 94 | 143K | Oct 2014 – Aug 2026 |
| Clegg 84 G-9-240749 | Scout Energy Management LLC only | Ozona (Canyon Sand) | Crockett | 1 | 58 | 175K | May 2008 – Aug 2026 |
| Martinez -B- G-4-49932 | Samedan Oil Corporation only | Rincon, N (Vicksburg 8200 Seg B) | Starr | 1 | 15 | 10.5K | by Jan 1993 – Jan 1997 |
| Clegg 83 G-9-243580 | Scout Energy Management LLC only | Ozona (Canyon Sand) | Crockett | 1 | 6 | 163K | Oct 2008 – Dec 2025 |
| Schaleben G-4-180506 | Wynn-Crosby Energy, Inc. only | Los Indios (Vicksburg 8000) | Hidalgo | 1 | 2 | 2.63K | Oct 2000 – Sep 2003 |
| Bell, Everett, GU II G-4-14557 | Vastar Resources, Inc. only | Tabasco (Vicksburg 8800) | Hidalgo | 1 | 0 | 0 | — |