| State of Texas G-4-157172 | Frost (Rincon 2-A) | Starr | 1 | 0 | 526K | Oct 1995 – Jul 2009 |
| State of Texas G-4-133747 | Frost, North (Ashby Fbii) | Starr | 1 | 0 | 1.17M | Jan 1993 – Jul 2009 |
| State of Texas G-4-177048 | Rincon (Vicksburg Cons.) | Starr | 1 | 0 | 364K | Apr 2000 – Jul 2009 |
| State of Texas G-4-130486 | Frost, North (Ashby) | Starr | 1 | 0 | 1.51M | Jan 1993 – Jul 2009 |
| T. P. Ranch O-3-23675 | Sour Lake, E. (Price) | Hardin | 2 | 583K | 330K | Mar 1999 – May 2009 |
| Cuellar, Fernando Est. G-4-178187 | Manos PA Arribas (4TH Hinnant) | Zapata | 1 | 0 | 51K | May 2000 – Mar 2009 |
| State of Texas G-4-137608 | Urschel (Ashby FB II) | Starr | 1 | 0 | 1.52M | Jan 1993 – Dec 2008 |
| T. P. Ranch G-3-173118 | Sour Lake, E. (Yegua-DF-9) | Hardin | 1 | 0 | 431K | Apr 1999 – Nov 2008 |
| Cuellar, Fernando Est. G-4-169498 | Wildcat | Zapata | 1 | 0 | 0 | Jan 1998 – Oct 2008 |
| Cuellar, Fernando Estate G-4-169428 | Wildcat | Zapata | 1 | 0 | 0 | Nov 1997 – Oct 2008 |
| State of Texas G-4-133766 | Rincon (Vicksburg Cons.) | Starr | 1 | 0 | 0 | Jan 1993 – Oct 2008 |
| Cuellar, Fernando Est. G-4-168736 | Manos PA Arribas (4TH Hinnant) | Zapata | 1 | 0 | 5.3K | Sep 1997 – Aug 2008 |
| Cuellar, Fernando Est. G-4-169515 | Elisabeth (Wilcox) | Zapata | 1 | 0 | 583K | Oct 1997 – Aug 2008 |
| Vastar Fee 307 O-3-22544 | Turkey Bayou (Wilcox 9050) | Tyler | 1 | 3.91K | 7.73K | Sep 1994 – Mar 2008 |
| Arco-Hampton 30 O-3-17471 | Hampton (Y-1B) | Hardin | 1 | 3.41K | 10 | Jan 1993 – Mar 2008 |
| Hughes, M.B. O-3-19563 | Castillo (Yegua 6-A | Jasper | 1 | 1.02K | 307 | Jan 1993 – Mar 2008 |
| Renberg, Emil G-5-142530 | Payne Springs (Smackover -B-) | Henderson | 1 | 0 | 160K | Jan 1993 – Jul 2003 |
| Burlington Fee 300 G-2-185242 | Diamond T, E. (Basal Luling) | Live Oak | 1 | 0 | 16.6K | Mar 2001 – Feb 2003 |
| Cantu-Flores G-4-133765 | Flores (Rincon B) | Starr | 1 | 0 | 0 | Jan 1993 – Nov 2001 |
| Hughes, M. B. O-3-22222 | Castillo (Yegua #5) | Jasper | 1 | 22.7K | 13 | Sep 1993 – Feb 2001 |
| State of Texas G-4-134908 | Frost, North (Wood) | Starr | 1 | 0 | 572K | Jan 1993 – Aug 2000 |
| Cuellar, Fernando Est. G-4-166948 | Elisabeth (Wilcox) | Zapata | 1 | 0 | 956K | Jul 1997 – May 2000 |
| Arco-Hughes O-3-23073 | Castillo (Yegua #7-A) | Jasper | 1 | 10.1K | 0 | Aug 1996 – Mar 2000 |
| Arco Hughes G-3-173512 | Castillo (Yegua #3) | Jasper | 1 | 0 | 23.1K | Jun 1999 – Dec 1999 |
| Arco Hughes G-3-168005 | Castillo (Yegua #5) | Jasper | 1 | 0 | 75.1K | Apr 1998 – Oct 1999 |
| Sanger Heirs 391 G-2-111973 | Diamond T (1ST. Tom Lyne) | Live Oak | 1 | 0 | 251K | Jan 1993 – Sep 1999 |
| Mayfair Labrisa G-4-156970 | Frost, North (Wood 2) | Starr | 1 | 0 | 55.3K | Jul 1995 – Oct 1998 |
| Karcher O-2-8015 | Powderhorn, N.W. (Frio 10850) | Calhoun | 1 | 4.52K | 11.5K | Sep 1994 – Aug 1998 |
| Arco-Hughes "1" O-3-16032 | Castillo (Yegua 6-B) | Jasper | 1 | 58.9K | 614 | Jan 1993 – Jul 1998 |
| Humphrey G. U. G-4-146288 | LA Sal Vieja (Deep 14,600) | Willacy | 1 | 0 | 14.3K | May 1993 – Dec 1996 |
| Arco Hughes O-3-18910 | Castillo (Yegua #8-A) | Jasper | 1 | 20.3K | 617 | Jan 1993 – Nov 1996 |
| Mackey G-4-142540 | LA Sal Vieja (Deep) | Willacy | 1 | 0 | 79.8K | Jan 1993 – Nov 1996 |
| Cason, George O-3-19217 | Garwood, East (Yegua 6870) | Colorado | 1 | 0 | 0 | Jan 1993 – Sep 1996 |
| Vastar Fee 307 G-3-156435 | Turkey Bayou (Upper Wilcox) | Tyler | 1 | 0 | 6.98K | Jun 1995 – Sep 1996 |
| Cason, George G-3-153816 | Garwood, East (3360) | Colorado | 1 | 0 | 64.3K | Mar 1995 – Jul 1996 |
| NPC Yegua G-2-141942 | Provident City, E. (1990 Frio) | Lavaca | 1 | 0 | 198K | Jan 1993 – Jul 1996 |
| NPC-Yegua G-2-101270 | Provident City, E. (Yegua-2) | Lavaca | 1 | 0 | 0 | Jan 1993 – Jul 1996 |
| Cason, George G-3-125338 | Garwood, East (3900) | Colorado | 1 | 0 | 83.1K | Jan 1993 – Jun 1996 |
| State of Texas G-4-131955 | Frost, North (Ashby FB III) | Starr | 1 | 0 | 629K | Jan 1993 – Jun 1996 |
| Smith-Mumme G.U. G-2-142235 | Segunda Chanca (13300) | Karnes | 1 | 0 | 1.17M | Jan 1993 – May 1996 |
| Sanger Heirs 383 G-2-143090 | Sierra Vista (7200) | Live Oak | 1 | 0 | 328K | Jan 1993 – Mar 1996 |
| Mayfair Labrisa G-4-150864 | Frost, West (6600) | Starr | 1 | 0 | 61.9K | Sep 1993 – Mar 1996 |
| Hall Gas Unit G-2-153012 | Segunda Chanca (12100) | Karnes | 1 | 0 | 42.3K | Nov 1994 – Mar 1996 |
| Josey Ranch G-3-154200 | Cypress (Y-2) | Harris | 1 | 0 | 25.3K | May 1995 – Jan 1996 |
| Aviators Gas Unit -4- G-4-105680 | George Buck (4TH Hinnant) | Webb | 1 | 0 | 13.8K | Jan 1993 – Dec 1995 |
| Hall Gas Unit G-2-149015 | Segunda Chanca (12100) | Karnes | 1 | 0 | 192K | Oct 1993 – Dec 1995 |
| Stafford O-2-7590 | Miller (Yegua 8850 Sand) | Jackson | 1 | 11.3K | 40.2K | Jan 1993 – Oct 1995 |
| State of Texas G-4-132250 | Frost, North (Wood) | Starr | 1 | 0 | 0 | Jan 1993 – Oct 1995 |
| Boston Texas Land Trust G-4-142227 | Javelina, W (4900) | Starr | 1 | 0 | 223K | Jan 1993 – Sep 1995 |
| State of Texas G-4-148342 | Frost, North (Wood) | Starr | 1 | 0 | 50.4K | Feb 1994 – Sep 1995 |