| Morris G-13-57987 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 93.8K | Jan 2003 – Apr 2026 |
| Morris G-13-57988 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 122K | Jan 2003 – Apr 2026 |
| Matus, J. G-13-60581 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 126K | Jan 1993 – Apr 2026 |
| Matthews, J. F. Jr. G-13-67236 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 138K | Jan 1993 – Apr 2026 |
| Matthews, J. F., Jr G-13-67237 | Corvette Oil Corporation only | Thalia (Wichita Falls) | Foard | 1 | 0 | 0 | — |
| Matthews, J. F. Jr. G-13-67238 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 140K | Jan 1993 – Apr 2026 |
| Matus, J. Jr. G-13-67239 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 232K | Jan 1993 – Apr 2026 |
| Matus, J. Jr. G-13-67240 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 63.1K | Jan 1993 – May 2004 |
| Gamble, Bonnie G-13-85017 | Corvette Oil Corporation only | Thalia (Wichita Falls) | Foard | 1 | 0 | 51.4K | Jan 1993 – Nov 1998 |
| Cooper G-13-121419 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 540K | Feb 1995 – Apr 2026 |
| Johnson-Kuehn Trust G-13-121522 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 270K | Feb 1995 – Apr 2026 |
| Kuehn G-13-122288 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 81.6K | Feb 1995 – Apr 2026 |
| Gamble, Wayne G-13-127793 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 122K | Mar 1995 – Apr 2026 |
| Lucy G-13-128216 | Stahl Petroleum Co. only | Thalia (Wichita Falls) | Foard | 1 | 0 | 0 | — |
| Baldwin G-13-128471 | Stahl Petroleum Co. only | Thalia (Wichita Falls) | Foard | 1 | 0 | 0 | — |
| Bachman-Woolf-Kuehn Unit G-13-130303 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 286K | Mar 1995 – Apr 2026 |
| Matus, John Jr. G-13-135151 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 298K | Mar 1995 – Apr 2026 |
| Gray G-13-141552 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 384K | Feb 1995 – Apr 2026 |
| Abston G-13-153662 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 80.3K | Apr 1995 – Apr 2026 |
| Mathews, J. F. G-13-157960 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 107K | May 1996 – Apr 2026 |
| Johnson-Hammonds G-13-160098 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 304K | Sep 1996 – Jan 2024 |
| Hazel G-13-170301 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 81.1K | Dec 1998 – Apr 2026 |
| Durrett G-13-171919 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 242K | Nov 1998 – Apr 2026 |
| Kuehn, Ward G-13-172755 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 424K | Jan 1999 – Apr 2026 |
| Gamble G-13-172757 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 233K | Jan 1999 – Apr 2026 |
| Johnson-Kuehn Trust Unit G-13-172759 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 208K | Jan 1999 – Apr 2026 |
| Durrett G-13-172763 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 125K | Jan 1999 – Apr 2026 |
| Johnson-Kuehn Trust G-13-173608 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 144K | Apr 1999 – Apr 2026 |
| Kuehn, Ward G-13-173611 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 311K | Apr 1999 – Apr 2026 |
| Cooper G-13-174188 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 210K | Jun 1999 – Apr 2026 |
| Hazel G-13-174686 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 98.4K | Sep 1999 – Apr 2026 |
| Kuehn, Ward G-13-174687 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 121K | Sep 1999 – Apr 2026 |
| Kuehn G-13-175461 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 154K | Nov 1999 – Apr 2026 |
| Kuehn-Thompson G-13-177466 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 329K | Apr 2000 – Apr 2026 |
| Swan G-13-177467 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 82.2K | May 2000 – Apr 2026 |
| Matthews Estate G-13-177468 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 141K | Jun 2000 – Apr 2026 |
| Bursey G-13-177469 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 141K | Jun 2000 – Apr 2026 |
| Bachman-Woolf-Kuehn Unit G-13-177470 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 152K | Jun 2000 – Apr 2026 |
| Durrett G-13-177945 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 55.7K | May 2000 – Apr 2026 |
| Paige G-13-179351 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 242K | Aug 2000 – Apr 2026 |
| Johnson-Hammonds East G-13-179368 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 105K | Aug 2000 – May 2024 |
| Bachman-Woolf-Kuehn G-13-179369 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 59.4K | Sep 2000 – Nov 2022 |
| Gamble, S. V. G-13-180513 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 28.9K | Nov 2000 – Apr 2026 |
| Kuehn G-13-180754 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 111K | Nov 2000 – Apr 2026 |
| Cooper G-13-180756 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 49.7K | Nov 2000 – Apr 2026 |
| Matus, John Jr. G-13-181410 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 158K | Feb 2001 – Apr 2026 |
| Swan G-13-182854 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 128K | Apr 2001 – Apr 2026 |
| Gamble, S. V. G-13-182942 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 42.2K | May 2001 – Apr 2026 |
| Gray G-13-191913 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 107K | Sep 2002 – Apr 2026 |
| Bonnie Gamble G-13-21634 | Corvette Oil Corporation only | Thalia (Wichita Falls) | Foard | 1 | 0 | 44.4K | Jan 1993 – Nov 1998 |