| Guerra-U.S.A. Gas Unit "D' G-4-151325 | Bob West (L-18, 20, 21, 22) | Starr | 1 | 0 | 428K | Jul 1994 – Jun 2006 |
| Freeman G-2-207869 | Speaks, SW. (3400) | Lavaca | 1 | 0 | 94.6K | Aug 2004 – Mar 2006 |
| Luera G-4-185371 | Bob West, S. (L 21-25) | Starr | 1 | 3 | 1.25M | Apr 2001 – Jan 2006 |
| Hamman Ranch G-4-172514 | Monte Christo (Vksbg O-15) | Hidalgo | 1 | 18.7K | 980K | Feb 1999 – Sep 2005 |
| Smothers G-2-208158 | Speaks, SW. (10,000) | Lavaca | 1 | 12 | 1.37K | Oct 2004 – Nov 2004 |
| State Tract 368-L G-3-194254 | Block 368-L (5300 Sand) | Brazos-LB | 1 | 74 | 142K | Sep 2003 – Apr 2004 |
| Deatrick G-4-192994 | Jeffress, E. (Vicksburg O\p) | Hidalgo | 1 | 1.92K | 253K | Nov 2002 – Mar 2004 |
| USA G-4-161068 | Bob West (L-12, 13, 14, 15) | Starr | 1 | 0 | 2.29M | Jul 1996 – Dec 2003 |
| Castillo-Flores Gas Unit G-4-53578 | Jeffress, NE. (T, Lo.-Fb,a) | Hidalgo | 1 | 2.97K | 558K | Jan 1993 – Oct 2003 |
| Yturria, Frank D. G-4-197088 | Raymondville (13500) | Willacy | 1 | 1.95K | 339K | May 2003 – Oct 2003 |
| Flores, O. G-4-197006 | Samano (1ST Massive) | Starr | 1 | 202 | 34.6K | Sep 2003 – Oct 2003 |
| Bliss G-4-194657 | Samano, E. (Massive 7200) | Starr | 1 | 827 | 60.8K | Mar 2003 – Aug 2003 |
| State Tract 368-L G-3-194095 | Block 368-L (6000 Sand) | Brazos-LB | 1 | 366 | 258K | Feb 2003 – Jun 2003 |
| State Tract 368-L G-3-192482 | Block 368-L (Miocene C) | Brazos-LB | 1 | 3.68K | 985K | Feb 2002 – Jan 2003 |
| State Tract 368-L G-3-192274 | Block 368-L (Miocene Stray 2) | Brazos-LB | 1 | 942 | 418K | Apr 2002 – Jan 2003 |
| Kaufer, Leo -B- /BA-4/ G-4-11890 | May, South (B-Basal 4) | Kleberg | 1 | 104 | 385K | Mar 1993 – Jan 2003 |
| Yturria, Frank D. G-4-182948 | Raymondville (13500) | Willacy | 1 | 147 | 81.2K | Jun 2002 – Dec 2002 |
| O. A. Lampley GU 1 G-2-174737 | Dry Hollow (Upper Rochelle) | Lavaca | 1 | 4 | 5.14M | Jul 1999 – Nov 2002 |
| Brazos S.T. 368-L G-3-171448 | Block 368-L (5600) | Brazos-LB | 1 | 910 | 3.97M | Dec 1998 – Oct 2002 |
| Goebel, Dalhardt G-2-183418 | Thomaston (Wilcox 8750) | De Witt | 1 | 461 | 125K | Mar 2001 – Jun 2002 |
| Ramirez, Maria V. G-4-164862 | Bob West, Northwest (L-12-18) | Zapata | 1 | 931 | 257K | Jun 1997 – May 2002 |
| State Tract 368-L G-3-186927 | Block 368-L (7080) | Brazos-LB | 1 | 3.3K | 208K | Nov 2001 – Jan 2002 |
| Esperanza G-4-161713 | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 7.11K | 2.22M | Dec 1996 – Nov 2001 |
| Samano G-4-187101 | Samano (Massive 7200) | Starr | 1 | 0 | 24.8K | Aug 2001 – Oct 2001 |
| Samano G-4-163650 | Yturria (Frio 4070) | Starr | 1 | 8 | 116K | Jun 1997 – Aug 2001 |
| Jacobs-Hamman G-2-186397 | Esperanza (Wilcox Sibley A) | Lavaca | 1 | 0 | 9.93K | Dec 2000 – Aug 2001 |
| Guerra Brothers G-4-180504 | Santellana, South (Guerra) | Hidalgo | 1 | 0 | 44.3K | Aug 2000 – Jan 2001 |
| Esperanza G-4-164001 | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 4.47K | 2.03M | Mar 1997 – Oct 2000 |
| Jeffress, J. D. G-4-175197 | Jeffress (Vicksburg U) | Hidalgo | 1 | 177 | 20.7K | Nov 1999 – Jul 2000 |
| Coates "A" G-4-135901 | Jeffress, E. (Vicksburg Z) | Hidalgo | 1 | 19 | 42.8K | Jan 1993 – Nov 1999 |
| Sherwood, M. G-4-159346 | Jeffress, NE. (Vicksburg, Lo.) | Hidalgo | 1 | 3.39K | 392K | May 1996 – Jun 1999 |
| Castillo Deep Gas Unit G-4-170210 | Jeffress, NE. (Vicksburg, Lo.) | Hidalgo | 1 | 1.87K | 174K | Jul 1998 – Jun 1999 |
| Kaufer, Leo -B- /Ba.-1/ G-4-11881 | May, South (B-Basal 1) | Kleberg | 1 | 0 | 212K | Jan 1993 – Apr 1999 |
| Hoffman, R. GU "F" G-4-136728 | Ben Bolt, W. (Yegua, Lo.) | Jim Wells | 1 | 1.11K | 96K | Jan 1993 – Jan 1999 |
| Carroll - Miller G-2-171523 | Brushy Creek (Wilcox 11100) | De Witt | 1 | 1.57K | 189K | Aug 1998 – Dec 1998 |
| Roger Hoffman G-4-170536 | Ben Bolt, W. (Yegua, Middle) | Jim Wells | 1 | 328 | 12.5K | Jul 1998 – Dec 1998 |
| Brazos S.T. 368-L G-3-165253 | Block 368-L (7080) | Brazos-LB | 1 | 0 | 1.17M | Jul 1997 – Nov 1998 |
| 87JV Yturria Land & Cattle Co. G-4-125869 | Flores (Vicksburg, Lower) | Hidalgo | 1 | 5.77K | 267K | Jan 1993 – Jun 1998 |
| Samano "C" G-4-121328 | Samano (Massive 7200) | Starr | 1 | 4.78K | 159K | Jan 1993 – Jul 1996 |
| Adame GU G-4-175041 | Jeffress, NE. (Cons. U\v) | Hidalgo | 1 | 0 | 0 | — |
| Hamman Ranch G-4-112717 | Monte Christo (57-A) | Hidalgo | 1 | 0 | 0 | — |
| Coates "A" G-4-176662 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 0 | 0 | — |
| State Tract 368-L G-3-198765 | Block 368-L (5250 F.B.-1) | Brazos-LB | 1 | 0 | 0 | — |
| Winding Brook Corporation G-4-182639 | McCook, SE. (Vicksburg 14300) | Hidalgo | 1 | 0 | 0 | — |
| — G-4-182812 | Jeffress, N (Vksbg, LO) | — | 0 | 0 | 0 | — |
| State Tract 368-L G-3-198762 | Block 368-L (5720) | Brazos-LB | 1 | 0 | 0 | — |
| State Tract 368-L G-3-198741 | Block 368-L (6000 Sand) | Brazos-LB | 1 | 0 | 0 | — |
| Winding Brook Corporation G-4-186616 | McCook, SE. (Vicksburg 14300) | Hidalgo | 1 | 0 | 0 | — |
| State Tract 368-L G-3-192203 | Block 368-L (7080) | Brazos-LB | 1 | 0 | 0 | — |
| Coates G-4-189810 | Samano (Fourth Massive) | Starr | 1 | 0 | 0 | — |