| Hillyer, Maude K. O-2-5472 | Gabrysch (6290) | Jackson | 1 | 5.35K | 166K | Jan 1993 – Jul 2026 |
| Duncan, Donald G-3-139926 | Spanish Camp (Yegua 6800) | Wharton | 1 | 0 | 1.02M | Jan 1993 – Apr 2020 |
| Duncan-Hamill G-3-189161 | Spanish Camp (Yegua 7200) | Wharton | 1 | 0 | 674K | May 2002 – Aug 2019 |
| Duncan, Donald B. G-3-201045 | Spanish Camp, W. (4900) | Wharton | 1 | 0 | 464K | Apr 2004 – Apr 2019 |
| Duncan, Donald B. G-3-235584 | Spanish Camp, N. (4250) | Wharton | 1 | 0 | 175K | May 2008 – Apr 2019 |
| Duncan G-3-117536 | Spanish Camp (Spanish Camp Lo.) | Wharton | 1 | 0 | 126K | Jan 1993 – Aug 2014 |
| Duncan, Donald B. G-3-196829 | Spanish Camp (Spanish Camp Lo.) | Wharton | 1 | 0 | 99.5K | Aug 2003 – Aug 2014 |
| Hillyer, Madie K., Etal O-2-2572 | Gabrysch (6300) | Jackson | 2 | 142K | 23.4K | Jan 1993 – Oct 2010 |
| Haidusek G-2-176317 | Holyfield Fan Man Sand (Yegua) | Lavaca | 1 | 0 | 706K | Jan 2000 – Oct 2010 |
| Haidusek G-2-212184 | Holyfield Fan Man Sand (Yegua 1) | Lavaca | 1 | 0 | 210K | Apr 2005 – Aug 2010 |
| Kallus, Johnny G-2-224622 | Jack Starr (Frio 4410) | Jackson | 1 | 0 | 221K | Jan 2007 – May 2009 |
| Kallus-Volkmer G-2-211701 | ZBF (Frio) | Jackson | 1 | 0 | 0 | Apr 2005 – May 2009 |
| Rose and Sample G-2-149114 | Jack Starr (Yegua Y-4) | Jackson | 1 | 0 | 5.27M | Apr 1994 – May 2009 |
| Duncan, Donald B. G-3-235585 | Spanish Camp (Stray 2800) | Wharton | 1 | 0 | 52.7K | May 2008 – Mar 2009 |
| Duncan, Donald B. G-3-202979 | Spanish Camp, W. (3950 Frio) | Wharton | 1 | 0 | 307K | Jul 2004 – Mar 2009 |
| Hinze-Balusek G-3-203463 | Buck Snag (Frio 3770) | Colorado | 1 | 0 | 522K | Aug 2004 – Mar 2009 |
| Duncan, F. B. & D. "D" Lease G-3-180785 | Spanish Camp(spanish Camp 2900U) | Wharton | 1 | 0 | 6.45K | Dec 2000 – Oct 2008 |
| Quinn-Jolly Unit #1 G-2-226274 | Cordele, W. (3730) | Jackson | 1 | 0 | 77.9K | Mar 2007 – Feb 2008 |
| Haidusek G-2-178925 | Holyfield Fan Man Sand (Yegua 1) | Lavaca | 1 | 0 | 31.2K | Jul 2000 – Nov 2007 |
| Duncan D Lease G-3-178938 | Spanish Camp(spanish Camp 2900U) | Wharton | 1 | 0 | 7.64K | Aug 2000 – Jun 2005 |
| Duncan -C- G-3-55417 | Spanish Camp(spanish Camp 2900U) | — | 1 | 0 | 8.92K | Jan 1993 – Jul 2004 |
| Albrecht G-2-123040 | Albrecht Creek (Wilcox 9780) | Goliad | 1 | 0 | 145K | Jan 1993 – Mar 2004 |
| Hankamer O-3-12379 | Mahaffey (Yegua 7450) | Jasper | 1 | 140 | 11 | Jan 1993 – Aug 2003 |
| Hankamer No. 1 O-3-13409 | Mahaffey (Yegua 7450) | Jasper | 1 | 0 | 0 | Jan 1993 – Aug 2003 |
| Duncan-Hamill G-3-174100 | Spanish Camp (4700) | Wharton | 1 | 0 | 39.5K | Jun 1999 – May 2002 |
| Duncan-Hamill G-3-174101 | Spanish Camp (Frio 4500) | Wharton | 1 | 0 | 147K | Jun 1999 – May 2002 |
| Duncan, Donald B. G-3-161199 | Spanish Camp North | Wharton | 1 | 0 | 112K | Aug 1995 – Apr 2002 |
| Spradlin O-1-13094 | First Shot (Austin Chalk) | Gonzales | 1 | 4.81K | 559 | Jan 1993 – Sep 2001 |
| Johnson, J. W. G-4-10618 | Government Wells, N. (2070) | — | 1 | 0 | 0 | Jan 1993 – Sep 2001 |
| Haynes, Marie B. Gdn. O-3-11206 | Chenango, West (8500 Sd.) | Brazoria | 1 | 123 | 0 | Jan 1993 – Apr 2001 |
| Duncan, F. B. & D. "D" Lease O-3-10441 | Spanish Camp (3300) | Wharton | 1 | 1.36K | 37 | Jan 1993 – Mar 2001 |
| Duncan, F. B. & Donald G-3-34307 | Spanish Camp(spanish Camp 2900U) | — | 1 | 0 | 0 | Jan 1993 – Feb 2001 |
| Naiser, William J. et UX G-3-162188 | Johnson Creek (Miocene 2850) | Wharton | 1 | 0 | 258K | Jan 1997 – Feb 2001 |
| Duncan G-3-126377 | Spanish Camp (Frio 4500) | Wharton | 1 | 0 | 52K | Jan 1993 – Aug 2000 |
| Degarza, H.L. G-4-126544 | Sun, North (Frio 5820) | Starr | 1 | 0 | 0 | Jan 1993 – Jul 1999 |
| McCan, C.K. Jr. et AL G-2-131230 | Kay Creek (2200) | Victoria | 1 | 0 | 62K | Jan 1993 – Feb 1998 |
| McCan, C.K. Jr. et AL G-2-131824 | Kay Creek (2200) | Victoria | 1 | 0 | 265K | Jan 1993 – Feb 1998 |
| Wendt, H. -A- O-4-8949 | Govt. Wells, N. ( Mirando, N) | — | 1 | 0 | 0 | Jan 1993 – Aug 1995 |
| Wendt, H. O-4-1058 | Govt. Wells, N. | — | 1 | 0 | 0 | Jan 1993 – Aug 1995 |
| Matcek, Benny O-2-7937 | Ganado, E. (Whisler) | Jackson | 1 | 806 | 617 | Oct 1993 – Jun 1994 |
| Kountz & Steward O-2-5537 | Mauritz, East (6760) | — | 1 | 0 | 0 | Jan 1993 – May 1994 |
| Kountze & Couch B-2 O-2-7742 | One-Eleven (6700) | Jackson | 1 | 0 | 0 | Jan 1993 – Mar 1994 |
| Matcek, Benny G-2-125761 | Ganado, E. (Whisler) | Jackson | 1 | 0 | 4.31K | Jan 1993 – Oct 1993 |