| Driscoll, Clara G-4-44373 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 798K | by Jan 1993 – Feb 2020 |
| Driscoll, Clara G-4-45303 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 1.08M | by Jan 1993 – Aug 2026 |
| Kinsey, E. A. G-4-45362 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 1.33M | May 1996 – Aug 2026 |
| Rivers, M. L. "A" G-4-49301 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 1.34M | by Jan 1993 – Aug 2026 |
| Austin, Helen P. G-4-49543 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 733K | by Jan 1993 – Aug 2026 |
| Walton, W. W. -A- G-4-51110 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 64.7K | by Jan 1993 – Nov 2013 |
| Texon Royalty Co. -B- G-4-55066 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 423K | by Jan 1993 – Aug 2026 |
| Purl, Ollie G-4-57717 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 18.7K | by Jan 1993 – Oct 1994 |
| Wardner, G.P. G-4-58853 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Jim Wells | 1 | 0 | 587K | by Jan 1993 – Aug 2026 |
| Rivers, M. L. "A" G-4-65127 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 117K | by Jan 1993 – Aug 2026 |
| Rivers, M. L. G-4-66584 | Urban Oil & Gas Group, LLC | Agua Dulce (Austin, Upper) | Nueces | 1 | 0 | 213K | by Jan 1993 – Aug 1997 |
| Mabel Ellif G-4-66851 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 894K | by Jan 1993 – Aug 2026 |
| Pyle, H.C. G-4-67190 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 167K | by Jan 1993 – Aug 2026 |
| Talbert, C.P. G-4-76146 | Urban Oil & Gas Group, LLC | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 156K | by Jan 1993 – Jan 2009 |
| Horne, C. J. G-4-79959 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 0 | — |
| Cage, W.T. "A" G-4-81836 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 570K | by Jan 1993 – Aug 2026 |
| Kinsey, E. A. G-4-82306 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 142K | by Jan 1993 – Apr 2001 |
| Wardner, G.P. G-4-93837 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 234K | by Jan 1993 – Aug 2026 |
| Talbert, C. P. G-4-106074 | Urban Oil & Gas Group, LLC | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 0 | — |
| Elliff, John J. Mrs. G-4-113252 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 11.5K | by Jan 1993 – Feb 1995 |
| Butts, J.B. G-4-118480 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 494K | by Jan 1993 – Nov 2023 |
| Ingram, Donald G-4-122922 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 1.31M | by Jan 1993 – Dec 2024 |
| Mosley Dryden G-4-125319 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 875K | by Jan 1993 – Aug 2026 |
| Wardner, G.P. G-4-125584 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 932K | by Jan 1993 – Aug 2004 |
| Sellers, W.S. -A- G-4-125933 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 355K | by Jan 1993 – Aug 2026 |
| Wardner, G.P. G-4-126238 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 12.5K | Mar 2010 – Jul 2016 |
| Elliff, J.S. et Al G-4-126739 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 436K | by Jan 1993 – Aug 2026 |
| Gruene, O.A. G-4-127037 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 269K | by Jan 1993 – Aug 2026 |
| Mosley & Dryden -A- G-4-128018 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 334K | by Jan 1993 – Aug 2026 |
| Gruene, O.A. G-4-128131 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 681K | by Jan 1993 – Jun 2026 |
| Elliff, J.S. Etal G-4-128991 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 126K | by Jan 1993 – Jan 2004 |
| Von Blucher G-4-129372 | Urban Oil & Gas Group, LLC | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 0 | 0 | — |
| Wardner, G.P. G-4-130105 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 1.25M | by Jan 1993 – Aug 2026 |
| Driscoll, Clara G-4-130321 | Urban Oil & Gas Group, LLC | Agua Dulce (Austin, Middle East) | Nueces | 1 | 0 | 568K | by Jan 1993 – Apr 2020 |
| Wardner, G.P. G-4-130698 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 1.87M | by Jan 1993 – May 2024 |
| Elliff, J.S. et Al G-4-130771 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 521K | by Jan 1993 – Aug 2026 |
| Elliff, J.S. G-4-131671 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 741K | by Jan 1993 – Aug 2026 |
| Elliff, J.S. et Al G-4-133018 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 649K | by Jan 1993 – Aug 2026 |
| Texon Royalty Company G-4-133138 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 541K | by Jan 1993 – Jan 2020 |
| Elliff, J.S. et Al G-4-133940 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 502K | by Jan 1993 – Dec 2000 |
| Butts, J.B. G-4-134374 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | Nueces | 1 | 0 | 204K | by Jan 1993 – Aug 2026 |
| Driscoll-Elliff G-4-135646 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 886K | by Jan 1993 – Aug 2026 |
| Brown, Minnie G-4-135984 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 533K | by Jan 1993 – Aug 2026 |
| Wallace, W. H. G-4-136026 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 54.1K | by Jan 1993 – Mar 1996 |
| Anderson, William Jr. et Al G-4-137296 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 1.12M | by Jan 1993 – Aug 2026 |
| Elliff, J. S.,et Al G-4-137699 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 718K | by Jan 1993 – Jul 2026 |
| Elliff, J. S.et Al G-4-138135 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 0 | — |
| Rivers, M. L. G-4-139402 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 202K | by Jan 1993 – Mar 2023 |
| Wolter, R. C. G-4-140341 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 219K | by Jan 1993 – Aug 2026 |
| Rivers -A- G-4-140589 | Urban Oil & Gas Group, LLC | Agua Dulce (Consolidated Frio) | Nueces | 1 | 0 | 214K | by Jan 1993 – Aug 2026 |