| Bevan Bros G-4-204067 | Kingsville, SW (Taos) | Kleberg | 1 | 0 | 0 | Jun 2004 – Jul 2026 |
| Samano, M. O-4-10026 | Yturria (Frio C-1) | Starr | 1 | 12.7K | 18 | Jan 1993 – Jul 2006 |
| Guerra-U.S.A. Gas Unit "D' G-4-151325 | Bob West (L-18, 20, 21, 22) | Starr | 1 | 0 | 428K | Jul 1994 – Jul 2006 |
| Freeman G-2-207869 | Speaks, SW. (3400) | Lavaca | 1 | 0 | 94.6K | Aug 2004 – Apr 2006 |
| Hamman Ranch G-4-112717 | Monte Christo (57-A) | Hidalgo | 1 | 0 | 0 | Jan 1993 – Apr 2006 |
| Robertson G-2-212570 | Wildcat | Lavaca | 1 | 0 | 0 | Jun 2005 – Apr 2006 |
| Brazos S.T. 368-L G-3-171448 | Block 368-L (5600) | Matagorda | 1 | 0 | 3.97M | Dec 1998 – Feb 2006 |
| O. A. Lampley GU 1 G-2-174737 | Dry Hollow (Upper Rochelle) | Lavaca | 1 | 0 | 5.14M | Jul 1999 – Jan 2006 |
| Luera G-4-185371 | Bob West, S. (L 21-25) | Starr | 1 | 0 | 1.25M | Apr 2001 – Jan 2006 |
| Flores, O. G-4-197006 | Samano (1ST Massive) | Starr | 1 | 0 | 34.6K | Aug 2003 – Dec 2005 |
| Samano G-4-187101 | Samano (Massive 7200) | Starr | 1 | 0 | 24.8K | Jul 2001 – Dec 2005 |
| Hamman Ranch G-4-172514 | Monte Christo (Vksbg O-15) | Hidalgo | 1 | 0 | 980K | Feb 1999 – Oct 2005 |
| Smothers G-2-208158 | Speaks, SW. (10,000) | Lavaca | 1 | 0 | 1.37K | Oct 2004 – Oct 2005 |
| Matocha-Garrett G. U. G-2-181179 | Wildcat | DE Witt | 1 | 0 | 0 | Nov 2000 – Aug 2005 |
| Adame GU G-4-175041 | Jeffress, NE. (Cons. U\v) | Hidalgo | 1 | 0 | 0 | Jul 1999 – Jul 2005 |
| Brazos S.T. 368-L G-3-165253 | Block 368-L (7080) | Matagorda | 1 | 0 | 1.17M | Jul 1997 – May 2005 |
| State Tract 368L G-3-117854 | Block 368-L (5100) | Brazos-LB | 1 | 0 | 0 | Jan 1993 – May 2005 |
| State Tract 368-L G-3-194254 | Block 368-L (5300 Sand) | Brazos-LB | 1 | 0 | 142K | Mar 2003 – Apr 2005 |
| State Tract 368-L G-3-192482 | Block 368-L (Miocene C) | Matagorda | 1 | 0 | 985K | Feb 2002 – Apr 2005 |
| State Tract 368-L G-3-194095 | Block 368-L (6000 Sand) | Matagorda | 1 | 0 | 258K | Feb 2003 – Apr 2005 |
| State Tract 368-L G-3-198765 | Block 368-L (5250 F.B.-1) | Brazos-LB | 1 | 0 | 0 | Sep 2003 – Apr 2005 |
| USA G-4-161068 | Bob West (L-12, 13, 14, 15) | Starr | 1 | 0 | 2.29M | Jun 1996 – Dec 2004 |
| Deatrick G-4-192994 | Jeffress, E. (Vicksburg O\p) | Hidalgo | 1 | 0 | 253K | Nov 2002 – Nov 2004 |
| Carroll - Miller G-2-171523 | Brushy Creek (Wilcox 11100) | DE Witt | 1 | 0 | 189K | Aug 1998 – Aug 2004 |
| Samano "H" G-4-173867 | Yturria, NE. (Vicksburg J Sd.) | Starr | 1 | 0 | 0 | Mar 1999 – Aug 2004 |
| J.M. Russell Gas Unit O-4-13203 | May (3 Sand, Lower) | Kleberg | 1 | 0 | 0 | Nov 2003 – Jul 2004 |
| Winding Brook Corporation G-4-182639 | McCook, SE. (Vicksburg 14300) | Hidalgo | 1 | 0 | 0 | Feb 2001 – Jun 2004 |
| Castillo-Flores Gas Unit G-4-53578 | Jeffress, NE. (Vicksburg T LO) | Hidalgo | 1 | 0 | 558K | Jan 1993 – Jun 2004 |
| Winding Brook Corporation G-4-186616 | McCook, SE. (Vicksburg 14300) | Hidalgo | 1 | 0 | 0 | Aug 2001 – Jun 2004 |
| Johnson, F. I. 'A' G-4-197206 | McCook, SE. (Vicksburg 15500) | Hidalgo | 1 | 0 | 0 | Sep 2003 – Jun 2004 |
| EL Peyote Mineral Trust O-4-12413 | Wildcat | Zapata | 1 | 0 | 0 | Oct 1994 – May 2004 |
| Coates, George SWD G-4-117490 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 0 | 0 | Jan 1993 – Apr 2004 |
| Flores, O. G-4-197040 | Samano, E. (Massive 7200) | Starr | 1 | 0 | 0 | Aug 2003 – Mar 2004 |
| Flores, O. G-4-197039 | Samano (1ST Rincon) | Starr | 1 | 0 | 0 | Aug 2003 – Mar 2004 |
| Coates G-4-191393 | Samano, E. (Third Massive) | Starr | 1 | 0 | 0 | Aug 2002 – Feb 2004 |
| Yturria, Frank D. G-4-197088 | Raymondville (13500) | Willacy | 1 | 0 | 339K | May 2003 – Feb 2004 |
| — G-4-182812 | Jeffress, N (Vksbg, LO) | — | 0 | 0 | 0 | Apr 2001 – Jan 2004 |
| Esperanza G-4-161713 | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 0 | 2.22M | Dec 1996 – Jan 2004 |
| Sherwood, M. G-4-159346 | Jeffress, NE. (Vicksburg, Lo.) | Hidalgo | 1 | 0 | 392K | May 1996 – Dec 2003 |
| Yturria, Frank D. G-4-197411 | Wildcat | Willacy | 1 | 0 | 0 | May 2003 – Oct 2003 |
| State Tract 368-L G-3-198741 | Block 368-L (6000 Sand) | Brazos-LB | 1 | 0 | 0 | Jul 2003 – Oct 2003 |
| State Tract 368-L G-3-198762 | Block 368-L (5720) | Brazos-LB | 1 | 0 | 0 | Jul 2003 – Oct 2003 |
| Yturria, Frank D. G-4-182948 | Wildcat | Willacy | 1 | 0 | 81.2K | Nov 2000 – Sep 2003 |
| Bliss G-4-194657 | Samano, E. (Massive 7200) | Starr | 1 | 0 | 60.8K | Feb 2003 – Aug 2003 |
| Esperanza G-4-164001 | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 0 | 2.03M | Feb 1997 – Aug 2003 |
| Kolb O-10-36345 | Blalock Lake, E. (Wolfcamp) | Glasscock | 1 | 139 | 26 | Mar 2000 – Jun 2003 |
| Ramirez, Maria V. G-4-164862 | Bob West, Northwest (L-12-18) | Zapata | 1 | 0 | 257K | Jun 1997 – Jun 2003 |
| State Tract 368-L G-3-192274 | Block 368-L (Miocene Stray 2) | Brazos-LB | 1 | 0 | 418K | Feb 2002 – Mar 2003 |
| Smith GU 1 G-4-193124 | Kingsville, SW (Taos) | Kleberg | 1 | 0 | 0 | Feb 2003 – Feb 2003 |
| Roger Hoffman G-4-170536 | Ben Bolt, W. (Yegua, Middle) | Jim Wells | 1 | 0 | 12.5K | Jul 1998 – Feb 2003 |