| Scarborough O-4-13355 | Magnum Producing, LP only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 20.9K | 115K | Oct 2005 – Jul 2026 |
| Dix, Thomas G-4-53665 | Alegre Operating, Inc. only | Agua Dulce (Vicksburg Consl.) | — | 1 | 0 | 55.6K | Jan 1993 – Jul 2026 |
| East Side Block A-1 G-4-57669 | Royal Production Company, Inc. only | Agua Dulce(vksbg. 8450) | — | 1 | 0 | 0 | Jan 1993 – Dec 1999 |
| Driscoll, Clara G-4-150187 | Pennzoil Exploration & Prod. Co. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 18.2K | Jun 1994 – Mar 1995 |
| Ingram, J.C. G-4-151033 | Urban Oil & Gas Group, LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 66.7K | Jul 1994 – Jul 2026 |
| Berryman, et al Unit G-4-172812 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 10.5M | Feb 1999 – Jul 2026 |
| Rivers/Pery, et al Unit G-4-173093 | Suemaur Expl. & Prod., LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 974K | May 1999 – Sep 2011 |
| Kampfenkel, et al G. U. G-4-174485 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 4.17M | Aug 1999 – Jul 2026 |
| Burnett, et al Gas Unit G-4-174586 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.36M | Aug 1999 – Jul 2026 |
| Rivers "A" G-4-174587 | Urban Oil & Gas Group, LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.93M | Sep 1999 – Jul 2026 |
| Berryman et al Unit G-4-175113 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 4.33M | Nov 1999 – Jul 2026 |
| Berryman, et al Unit G-4-175748 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.91M | Jan 2000 – Jul 2026 |
| Rivers "B" G-4-175973 | Apache Corporation only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 22.6K | Nov 1999 – Jan 2001 |
| Kampfhenkel, el al G. U. G-4-176867 | Dominion Expl. & Prod., Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 345K | Feb 2000 – Jun 2005 |
| Burnett, et al Gas Unit G-4-176932 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 2.09M | Apr 2000 – Mar 2025 |
| Charba, et Al G-4-179053 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 832K | Aug 2000 – Jul 2026 |
| Burnett, et al Gas Unit G-4-179416 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 6.8M | Oct 2000 – Jul 2026 |
| Otahal, et al G.U. G-4-180084 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 5.5M | Nov 2000 – Feb 2024 |
| Miller G-4-180334 | Silver Fox Oil & Gas LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 46.2K | Sep 2000 – Jul 2026 |
| Rivers "A" G-4-181137 | Apache Corporation only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 283K | Jan 2001 – Apr 2004 |
| Berryman et al Unit G-4-181832 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 713K | Dec 2000 – Jul 2026 |
| Dollarhide G-4-181854 | Whiting Oil and Gas Corporation only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 330K | Mar 2001 – May 2009 |
| Berryman et al Gas Unit G-4-182213 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.95M | Feb 2001 – Jul 2026 |
| Othal, et al Gas Unit G-4-182466 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 883K | Mar 2001 – Feb 2024 |
| Kittoe G-4-182603 | Devon Energy Production Co, L.P. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 3.33M | Apr 2001 – Sep 2014 |
| Berryman et al, Gas Unit G-4-182611 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 744K | Feb 2001 – Jul 2026 |
| Kocurek Heirs G-4-183105 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.95M | May 2001 – Jul 2026 |
| Hoelscher G-4-183854 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.47M | Jul 2001 – Oct 2023 |
| Berryman et al Gas Unit G-4-184045 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 430K | Apr 2001 – Jul 2026 |
| Berryman et al, Gas Unit G-4-184528 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.32M | Aug 2001 – Jul 2026 |
| Otahal et al Gas Unit G-4-184557 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 3.77M | Aug 2001 – Feb 2024 |
| Walton, W. W. Ltd G-4-184651 | Whiting Oil and Gas Corporation only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.13M | Sep 2001 – May 2017 |
| Berryman et al, Gas Unit G-4-185572 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 579K | Oct 2001 – Jul 2026 |
| Kampfhenkel Gas Unit G-4-186186 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.78M | Apr 2001 – Jul 2026 |
| Kittoe G-4-187303 | Devon Energy Production Co, L.P. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.94M | Oct 2001 – Sep 2014 |
| Berryman et al Gas Unit G-4-188123 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.31M | Feb 2002 – Jul 2026 |
| Kampfhenkel et al Gas Unit G-4-188675 | Dominion Expl. & Prod., Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 39.2K | Mar 2002 – Apr 2005 |
| Prochaska Gas Unit G-4-192579 | Whiting Oil and Gas Corporation only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 276K | Nov 2002 – Jan 2013 |
| Walton, W. W. G-4-192862 | Devon Energy Production Co, L.P. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 86.9K | Jan 2003 – Jul 2006 |
| Walton, W. W. G-4-193109 | Devon Energy Production Co, L.P. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 71.6K | Jan 2003 – Aug 2003 |
| Blossman, et al Gas Unit G-4-193540 | Wallis Energy, Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.48M | Nov 2002 – Jul 2026 |
| Rivers / Perry, et al Unit G-4-193614 | Suemaur Expl. & Prod., LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 584K | Jan 2003 – Apr 2017 |
| Otahal et al Gas Unit G-4-197208 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 356K | Jul 2003 – Sep 2023 |
| Burnett et al Gas Unit G-4-197957 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 15.5K | Aug 2003 – Oct 2023 |
| Blossman et al Gas Unit G-4-198754 | Wallis Energy, Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 706K | Dec 2003 – Jul 2026 |
| Matthews, Carroll P. Trust G-4-203577 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 590K | Jul 2004 – Oct 2023 |
| Charba, et al, Gas Unit G-4-208829 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 192K | Feb 2005 – Jul 2026 |
| Walton-Matthews Unit G-4-218788 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 577K | Apr 2006 – Oct 2023 |
| Burnett, et al Gas Unit G-4-218793 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 532K | Apr 2006 – Mar 2025 |
| Robertson G-4-223633 | Reef Exploration, L.P. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 0 | 1.16M | Oct 2006 – Feb 2014 |