| Berryman, et al Unit G-4-172812 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 288K | 10.5M | Feb 1999 – Dec 2025 |
| Kampfenkel, et al G. U. G-4-174485 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 154K | 4.17M | Aug 1999 – Jul 2017 |
| Burnett, et al Gas Unit G-4-179416 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 145K | 6.81M | Oct 2000 – Aug 2026 |
| Charba, et Al G-4-179053 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 142K | 836K | Sep 2000 – Aug 2026 |
| Berryman et al Unit G-4-175113 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 126K | 4.33M | Nov 1999 – Dec 2025 |
| Otahal, et al G.U. G-4-180084 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 115K | 5.5M | Dec 2000 – Mar 2021 |
| Blossman, et al Gas Unit G-4-193540 | Wallis Energy, Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 114K | 1.48M | Nov 2002 – Jun 2026 |
| Bluntzer, et al Gas Unit G-4-293535 | Suemaur Operating LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 88.9K | 1.23M | Sep 2022 – Aug 2026 |
| Berryman, et al Unit G-4-175748 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 60K | 1.91M | Jan 2000 – Dec 2000 |
| Burnett, et al Gas Unit G-4-176932 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 57.6K | 2.09M | Apr 2000 – Jan 2025 |
| Blossman et al Gas Unit G-4-198754 | Wallis Energy, Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 54.1K | 706K | Dec 2003 – Jun 2026 |
| Otahal et al Gas Unit G-4-184557 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 52.4K | 3.77M | Aug 2001 – Feb 2021 |
| Kocurek Heirs G-4-183105 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 50.9K | 1.95M | May 2001 – Dec 2025 |
| Kittoe G-4-182603 | Devon Energy Production Co, L.P. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 49.8K | 3.33M | Apr 2001 – Nov 2010 |
| Kampfhenkel Gas Unit G-4-186186 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 47.6K | 1.78M | Apr 2001 – Dec 2025 |
| Prochaska, et al G.U. G-4-291847 | Suemaur Operating LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 38K | 1.07M | Sep 2021 – Aug 2026 |
| Burnett, et al Gas Unit G-4-174586 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 33.7K | 1.36M | Aug 1999 – Aug 2026 |
| Kittoe G-4-187303 | Devon Energy Production Co, L.P. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 33.5K | 1.94M | Oct 2001 – Sep 2009 |
| Burnett, et al Gas Unit G-4-292023 | Suemaur Operating LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 30.1K | 1.67M | Jan 2022 – Aug 2026 |
| Scarborough G-4-294763 | Suemaur Operating LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 28.5K | 136K | Jan 2023 – Aug 2026 |
| Berryman et al, Gas Unit G-4-182611 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 26.7K | 744K | Feb 2001 – Jul 2026 |
| Charba, et al, Gas Unit G-4-208829 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 25.7K | 192K | Feb 2005 – Aug 2026 |
| Robertson G-4-223633 | Reef Exploration, L.P. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 24.9K | 1.16M | Feb 2007 – Jun 2013 |
| Burow, Harold C. G-4-110951 | Dominion Corporation only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 24.3K | 1.39M | by Jan 1993 – Sep 2010 |
| Burnett, et al Gas Unit G-4-292117 | Suemaur Operating LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 23.9K | 431K | Feb 2022 – Aug 2026 |
| Matthews, Carroll P. Trust G-4-203577 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 22.7K | 590K | Aug 2004 – Apr 2006 |
| Walton, W. W. Ltd G-4-184651 | Whiting Oil and Gas Corporation only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 21.9K | 1.13M | Sep 2001 – Aug 2008 |
| Hoelscher G-4-183854 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 21.8K | 1.47M | Jul 2001 – Dec 2017 |
| Berryman et al Gas Unit G-4-182213 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 20.9K | 1.95M | Feb 2001 – Jun 2026 |
| Dix, Thomas G-4-52785 | Pearl, Bill H. Productions, Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 20.9K | 121K | by Jan 1993 – Jun 2003 |
| Schulze, Herbert K. et Al G-4-235904 | Vision Oil and Gas LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 18.4K | 903K | Feb 2008 – Oct 2014 |
| Walton-Matthews Unit G-4-218788 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 17.8K | 577K | Apr 2006 – Apr 2013 |
| Prochaska, et al G.U. G-4-293114 | Suemaur Operating LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 17.4K | 395K | Jun 2022 – Aug 2026 |
| Berryman et al Gas Unit G-4-184045 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 14.8K | 430K | Apr 2001 – Jul 2026 |
| Rivers/Pery, et al Unit G-4-173093 | Suemaur Expl. & Prod., LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 13.9K | 974K | Jun 1999 – Nov 2010 |
| Othal, et al Gas Unit G-4-182466 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 13.7K | 883K | Mar 2001 – Jan 2016 |
| Berryman et al, Gas Unit G-4-184528 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 12K | 1.32M | Aug 2001 – Mar 2017 |
| Berryman et al Gas Unit G-4-188123 | Shore Petroleum Corp. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 11.9K | 1.31M | Feb 2002 – Jun 2026 |
| Kampfhenkel, el al G. U. G-4-176867 | Dominion Expl. & Prod., Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 11.6K | 345K | Feb 2000 – Jan 2002 |
| Dollarhide G-4-181854 | Whiting Oil and Gas Corporation only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 11K | 330K | Mar 2001 – Jul 2007 |
| Berryman et al Unit G-4-181832 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 10.8K | 713K | Dec 2000 – Mar 2019 |
| Rivers / Perry, et al Unit G-4-193614 | Suemaur Expl. & Prod., LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 9.52K | 584K | Jan 2003 – Oct 2015 |
| East Side Block Unit G-4-107644 | Wallis Energy, Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 9.25K | 451K | by Jan 1993 – Mar 2021 |
| Burnett, et al Gas Unit G-4-218793 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 7.99K | 532K | Apr 2006 – Mar 2024 |
| East Side Block Unit G-4-82838 | Wallis Energy, Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 6.67K | 630K | by Jan 1993 – Jun 2026 |
| Matthews Trust G-4-256683 | Republic Resources, LLC. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 6.03K | 307K | May 2010 – Jul 2012 |
| Roddy Ripple G.U. G-4-295875 | Suemaur Operating LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 5.31K | 62.5K | Aug 2023 – Jul 2026 |
| Berryman et al, Gas Unit G-4-185572 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 5.27K | 579K | Oct 2001 – Jul 2026 |
| Otahal et al Gas Unit G-4-197208 | STS Petroleum LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 4.85K | 356K | Aug 2003 – Oct 2008 |
| Otahal, et al G.U. G-4-291488 | Suemaur Expl. & Prod., LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 4.31K | 280K | Oct 2021 – Jul 2023 |