| Tenneco Fee G-1-116047 | Silver Oil & Gas Inc. only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 507K | Jan 1993 – Jul 2026 |
| Malone "11" G-1-118863 | OXY USA Inc. only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 61.9K | Jan 1993 – Jan 2014 |
| Malone "12" G-1-118864 | OXY USA EOR, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 21.4K | Jan 1993 – Jul 2026 |
| Simpson G-1-134275 | Janco Operating only | Los Cuatros (Lower Cretaceous) | Maverick | 1 | 0 | 0 | Jan 1993 – Feb 2004 |
| Daniel, M. K. G-1-157579 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 497K | Jan 1996 – Jul 2026 |
| Daniel, M. K. G-1-159570 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 539K | Jul 1996 – Jul 2026 |
| Daniel, M. K. G-1-159573 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 853K | Jul 1996 – Jul 2026 |
| Myrtle Mitchell 7 Unit G-1-160346 | Red Stag Operating, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 35.3K | Jul 1996 – Feb 2026 |
| Mitchell 10 G-1-160348 | Red Stag Operating, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 35.3K | Jul 1996 – Feb 2026 |
| Daniel - State 2 G-1-160490 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 483K | Oct 1996 – Jul 2026 |
| Daniel-State 2 G-1-160491 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 523K | Oct 1996 – Jul 2026 |
| Meadows-State 10 G-1-160610 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 1.1M | Oct 1996 – Jul 2026 |
| Meadows-State 2 G-1-160611 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 292K | Oct 1996 – Jul 2026 |
| Daniel, M. K. G-1-160753 | Tema Oil and Gas Company only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 445K | Nov 1996 – Feb 2017 |
| Daniel-State 2 G-1-160853 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 473K | Nov 1996 – Jul 2026 |
| Daniel, M. K. G-1-160866 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 813K | Nov 1996 – Jul 2026 |
| Daniel, M. K. G-1-160868 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 778K | Nov 1996 – Jul 2026 |
| Daniel - State 2 G-1-161126 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 385K | Nov 1996 – Jul 2026 |
| Daniel-State 2 G-1-161128 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 539K | Nov 1996 – Jul 2026 |
| Daniel, M. K. G-1-161129 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 334K | Nov 1996 – Jul 2026 |
| Meadows-State 10 G-1-161273 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 845K | Jan 1997 – Jul 2026 |
| Meadows-State 10 G-1-161274 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 404K | Jan 1997 – Jul 2026 |
| Meadows-State 10 G-1-161275 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 162K | Dec 1996 – Jul 2026 |
| Meadows-State 10 G-1-161570 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 158K | Jan 1997 – Jul 2026 |
| Meadows-State 10 G-1-161633 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 188K | Jan 1997 – Jul 2026 |
| Daniel, M. K. G-1-162040 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 296K | Feb 1997 – Jul 2026 |
| Daniel, M. K. G-1-162042 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 901K | Feb 1997 – Jul 2026 |
| Meadows-State 12 G-1-162577 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 123K | Jan 1997 – Jul 2026 |
| Meadows "8" G-1-162619 | Silver Oil & Gas Inc. only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 438K | Mar 1997 – Jul 2026 |
| Daniel, M. K. G-1-163942 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 460K | Jul 1997 – Jul 2026 |
| Daniel-State 2 G-1-163946 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 451K | Jul 1997 – Jul 2026 |
| Daniel, M. K. "A" G-1-164285 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 461K | Aug 1997 – Jul 2026 |
| Daniel, M. K. "A" G-1-164287 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 481K | Aug 1997 – Jul 2026 |
| Daniel, M. K. "A" G-1-164288 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 323K | Jul 1997 – Jul 2026 |
| Daniel, M. K. G-1-164559 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 272K | Aug 1997 – Jul 2026 |
| Daniel, M. K. "A' G-1-164779 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 681K | Sep 1997 – Jul 2026 |
| Daniel, M. K. "A' G-1-164780 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 474K | Sep 1997 – Jul 2026 |
| Daniel, M. K. G-1-165205 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 366K | Sep 1997 – Jul 2026 |
| Daniel, M. K. A G-1-165402 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 574K | Sep 1997 – Jul 2026 |
| Daniel, M. K. G-1-165884 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 731K | Sep 1997 – Jul 2026 |
| Daniel, M. K. G-1-166177 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 462K | Nov 1997 – Jul 2026 |
| Daniel, M. K. G-1-166554 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 192K | Dec 1997 – Jul 2026 |
| Meadows G-1-166557 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 426K | Jan 1998 – Jul 2026 |
| Daniel, M. K. G-1-166561 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 380K | Jan 1998 – Jul 2026 |
| Meadows G-1-166706 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 301K | Jan 1998 – Jul 2026 |
| Daniel, M. K. A G-1-167019 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 544K | Dec 1997 – Jul 2026 |
| Cox, Mary State G-1-167607 | EOG Resources, Inc. only | Simpson-Mann (Canyon) | Terrell | 1 | 0 | 0 | Sep 1997 – Sep 2001 |
| Daniel, M. K. "A" G-1-168126 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 149K | Oct 1997 – Jul 2026 |
| Daniel, M. K. "A" G-1-168128 | Wolfcamp Energy, LLC only | Simpson-Mann (Canyon) | Crockett | 1 | 0 | 317K | Apr 1998 – Jul 2026 |
| Tenneco Fee G-1-113570 | Silver Oil & Gas Inc. only | Simpson-Mann (Canyon) | Val Verde | 1 | 0 | 783K | Jan 1993 – Jul 2026 |