| Ramirez -B- O-4-9729 | El Mesquite (3000) | Duval | 2 | 36.3K | 104K | Jan 1993 – Apr 2024 |
| Bruni -B- O-4-178 | Aviators | Webb | 11 | 199K | 21 | Jan 1993 – Dec 2023 |
| McLean Estate -A- O-4-3638 | Las Animas-Lefevre | Jim Hogg | 10 | 123K | 189 | Jan 1993 – Dec 2023 |
| Frost Mineral Fee O-4-5770 | De Spain, SE. (Bruni) | Webb | 4 | 90.3K | 22 | Jan 1993 – Dec 2023 |
| Bruni O-4-184 | Aviators | Webb | 9 | 63.4K | 21 | Jan 1993 – Dec 2023 |
| Wheatley O-4-1889 | Mirando City | Webb | 7 | 56.2K | 21 | Jan 1993 – Dec 2023 |
| Ramirez, Jose O-4-11577 | El Mesquite (5200) | Duval | 3 | 51.1K | 548K | Jan 1993 – Dec 2023 |
| Guerra, F. O-4-10155 | Mirando City | Webb | 7 | 45.4K | 153 | Jan 1993 – Dec 2023 |
| Richmond-Garcia O-4-1887 | Mirando City | Webb | 4 | 41.8K | 21 | Jan 1993 – Dec 2023 |
| Marrs-McLean O-4-12466 | Las Animas-Lefevre | Jim Hogg | 1 | 32.5K | 0 | Apr 1995 – Dec 2023 |
| Coleman O-4-7002 | Mirando City | Webb | 3 | 25.8K | 143 | Jan 1993 – Dec 2023 |
| Staggs-State G-4-147694 | Picoso (Wilcox 7600) | Webb | 1 | 5.4K | 1.9M | Apr 1993 – Dec 2023 |
| Staggs, J. G-4-158844 | Picoso (Wilcox 7600) | Webb | 1 | 3.63K | 1.27M | May 1996 – Dec 2023 |
| Richmond-Garcia -A- O-4-6338 | Mirando City | Webb | 1 | 2.71K | 21 | Jan 1993 – Dec 2023 |
| Staggs-State G-4-149617 | Picoso, East (Consolidated) | Webb | 1 | 999 | 290K | Apr 1994 – Dec 2023 |
| Staggs State G-4-153943 | Picoso, East (Consolidated) | Webb | 1 | 229 | 166K | Feb 1995 – Dec 2023 |
| Saenz "a" 2 O-4-13610 | Rancho Saenz (1730 Cole) | Duval | 1 | 10K | 0 | Jan 2010 – Sep 2023 |
| Las Clavellinas Ranch 36 G-4-165084 | Zapata, SE. (Wilcox) | Zapata | 1 | 18.9K | 4.91M | Oct 1997 – Jul 2023 |
| Uribe G-4-232152 | Exsun (Lobo Cons.) | Zapata | 1 | 4.52K | 1.67M | Oct 2007 – Jul 2023 |
| Uribe G-4-236358 | Exsun (Lobo Cons.) | Zapata | 1 | 2.41K | 656K | Feb 2008 – Jul 2023 |
| Uribe G-4-241976 | Exsun (Lobo Cons.) | Zapata | 1 | 1.06K | 449K | Jul 2008 – Jul 2023 |
| Hellen, C.W. Gas Unit G-4-71768 | Romeo, S. (2660) | Jim Hogg | 1 | 9 | 605K | Jan 1993 – Mar 2023 |
| Hellen, C. W. G-4-62761 | Romeo, S. (Govt Wells) | Jim Hogg | 1 | 0 | 67.6K | May 1995 – Mar 2023 |
| Marrs McLean Estate O-4-9572 | Collett (Yegua 3180) | Jim Hogg | 5 | 16.7K | 21 | Jan 1993 – Jan 2023 |
| Gutierrez, Raquel F G-4-197063 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 802 | 1.47M | Sep 2003 – May 2022 |
| Gutierrez, Raquel G-4-195934 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 135 | 2.09M | Jul 2003 – May 2022 |
| Two Republics O-4-1888 | Mirando City | Webb | 6 | 25.1K | 21 | Jan 1993 – Aug 2021 |
| Vaquillas Ranch Company, Ltd. O-4-13462 | Gene Walker (Rosenberg, Lo.) | Webb | 1 | 18.3K | 30 | Oct 2007 – Feb 2021 |
| Gutierrez, Mobil H. G-4-164016 | Charco (9200) | Zapata | 1 | 690 | 546K | Jul 1997 – Jul 2020 |
| Gutierrez, Higinio Jr G-4-215141 | Charco (9200) | Zapata | 1 | 608 | 483K | Dec 2005 – Jul 2020 |
| Gutierrez, Higinio Jr. G-4-215139 | Charco (9200) | Zapata | 1 | 22 | 415K | Aug 2005 – Jul 2020 |
| R&G/Garcia O-4-12767 | Edr (Cole) | Duval | 1 | 18.2K | 30 | Dec 1997 – Jun 2020 |
| Aviators Gas Unit G-4-104990 | George Buck (4TH Hinnant) | Webb | 1 | 10.1K | 792K | Jan 1993 – May 2017 |
| Munoz Unit G-4-141972 | Capricorn (First Queen City) | Starr | 1 | 7.22K | 922K | Jan 1993 – Jan 2017 |
| El Milagro "B" G-4-233795 | Lopeno (Consolidated) | Zapata | 1 | 807 | 1.18M | Jan 2008 – Feb 2016 |
| El Milagro "B" Bajo (Shallow) G-4-244176 | Lopeno ( Reklaw B) | Zapata | 1 | 588 | 875K | Aug 2008 – Feb 2016 |
| El Milagro "B" G-4-232961 | Lopeno (Consolidated) | Zapata | 1 | 215 | 1.32M | Nov 2007 – Feb 2016 |
| Chapman Ranch O-4-13950 | Chapman Ranch (Upper Frio Cons.) | Nueces | 1 | 195 | 0 | Sep 2012 – Nov 2012 |
| King Edmunds G-4-65233 | Rincon, North (Frio B) | Starr | 1 | 0 | 319K | Mar 1993 – Mar 2012 |
| Vaquillas Ranch Co., Ltd. G-4-138100 | Gutierrez (Rosenberg Sand) | Webb | 1 | 3 | 102K | Jan 1993 – Oct 2011 |
| El Milagro "B" G-4-235282 | Lopeno (Consolidated) | Zapata | 1 | 161 | 851K | Jan 2008 – Jul 2011 |
| El Milagro "B" G-4-233632 | Lopeno (Consolidated) | Zapata | 1 | 170 | 721K | Nov 2007 – Dec 2010 |
| West, George Estate G-2-83676 | George West, West (8300) | Live Oak | 1 | 8.51K | 587K | Jan 1993 – Mar 2009 |
| Munoz G. U. G-4-253395 | Wildcat | Starr | 1 | 0 | 8.23K | Jan 2008 – Mar 2009 |
| Miller, M. M. G-4-68658 | Longhorn, Middle (5800) | Duval | 1 | 360 | 88.7K | Apr 1995 – Aug 2005 |
| Munoz Unit G-4-149909 | Capricorn (First Queen City) | Starr | 1 | 658 | 51.7K | May 1994 – Oct 2001 |
| Munoz Unit G-4-149102 | Capricorn (First Queen City) | Starr | 1 | 180 | 40.3K | Mar 1994 – Apr 2001 |
| Benavides, Rosa V. 1927 G-4-124045 | Contempo (Lobo) | Webb | 1 | 189 | 12.3K | Jan 1993 – Aug 1995 |
| Aviator "B" G-4-178390 | Aviators | Webb | 1 | 0 | 0 | — |
| Murc-Kennedy O-4-174 | Aviators | Webb | 1 | 0 | 0 | — |