| Walker, P. et Al G-10-211746 | Quito, East (Cherry Canyon) | Ward | 1 | 361 | 24.4K | Sep 2005 – Jun 2015 |
| McDaniel, Lois G-10-107162 | Quito, East (Cherry Canyon) | Ward | 1 | 4.67K | 790K | Jan 1993 – Mar 2015 |
| Walker, P. et Al G-10-211743 | Quito, East (Cherry Canyon) | Ward | 1 | 529 | 36.8K | Sep 2005 – Jan 2015 |
| University 18-30 G-10-109916 | Quito, East (Cherry Canyon) | Ward | 1 | 76.4K | 1.93M | Jan 1993 – Apr 2014 |
| University 18-31 G-10-104521 | Quito, East (Cherry Canyon) | Ward | 1 | 29.2K | 611K | Jan 1993 – Apr 2014 |
| University 18-29 G-10-99414 | Quito, East (Cherry Canyon) | Ward | 1 | 10.7K | 606K | Jan 1993 – Apr 2014 |
| University 18-31 G-10-101145 | Quito, East (Cherry Canyon) | Ward | 1 | 17.3K | 940K | Jan 1993 – Jun 2011 |
| Garza State G-4-216119 | Flores (Vicksburg, Lower) | Hidalgo | 1 | 9.63K | 732K | Nov 2005 – Jan 2011 |
| Champion, A. A. G-4-239745 | Borosa, S. (FB W Frio 4330) | Starr | 1 | 1.22K | 157K | Apr 2008 – Apr 2010 |
| Champion, A.A. G-4-247590 | Rincon (Vicksburg Cons.) | Starr | 1 | 4.32K | 157K | Jan 2009 – Jan 2010 |
| Garza State G-4-212919 | Flores (Vicksburg, Lower) | Hidalgo | 1 | 4.71K | 273K | Sep 2005 – Dec 2009 |
| Yturria G-4-181450 | Flores (Vicksburg, Lower) | Hidalgo | 1 | 1.02K | 227K | Jan 2001 – Dec 2009 |
| Slick Estate -C- G-4-167973 | Borosa, E. (8270 Vicksburg) | Starr | 1 | 34.9K | 1.69M | Apr 1998 – Nov 2009 |
| Heard Gas Unit 2 G-4-244045 | Texan Gardens (O Sand) | Hidalgo | 1 | 0 | 1.04K | Dec 2008 – Jul 2009 |
| Heard Gas Unit 2 G-4-139098 | Texan Gardens (L Sand) | Hidalgo | 1 | 6.22K | 1.54M | Jan 1993 – Nov 2008 |
| Reilly Heirs G-4-216046 | Alto Bonito (Yegua Consolidated) | Starr | 1 | 1.99K | 82.8K | Oct 2005 – Sep 2008 |
| Heard Gas Unit 2 G-4-238158 | Texan Gardens (P Sand) | Hidalgo | 1 | 0 | 1.42K | May 2008 – May 2008 |
| Hermann, A.G. Gas Unit G-4-208774 | Rincon (Vicksburg Cons.) | Starr | 1 | 7.62K | 568K | Feb 2005 – Apr 2008 |
| Zamora Unit G-4-233850 | Texan Gardens (O, W) | Hidalgo | 1 | 1 | 2.05K | Nov 2007 – Feb 2008 |
| Montalvo, N. R. G-4-233032 | Sun, N. (D-X-G, Seg. C) | Starr | 1 | 0 | 337 | Oct 2007 – Feb 2008 |
| Champion, A. A. G-4-174044 | Frost (Flores, Upper) | Starr | 1 | 1.01K | 361K | May 1999 – Jan 2008 |
| McKinney, Amanda G-4-234016 | Sun (G-1) | Starr | 1 | 102 | 5.18K | Aug 2007 – Jan 2008 |
| Champion, A. A. G-4-174046 | Frost (Samano Sand FB-A) | Starr | 1 | 3.64K | 731K | Jun 1999 – Nov 2007 |
| Speer, Geo. H. G-4-186387 | Lyda (Vicksburg Lower) | Starr | 1 | 2.1K | 562K | Dec 2001 – Nov 2007 |
| Mecom, J. W. G-4-111508 | J. C. Martin (Lobo) | Zapata | 1 | 1 | 3.26M | Jan 1993 – Sep 2007 |
| TCR Speer-State G-4-171098 | Sun (B Rincon) | Starr | 1 | 2.31K | 813K | Dec 1998 – Aug 2007 |
| Heard Gas Unit G-4-129407 | Texan Gardens (S, West) | Hidalgo | 1 | 1.93K | 1.22M | Jan 1993 – Aug 2007 |
| McKendrick G-4-149616 | Moritas Creek (9700) | Webb | 1 | 286 | 91.7K | May 1994 – Aug 2007 |
| Hall, C. M. -A- G-4-202305 | Lyda (7000 3RD. Vxbg.) | Starr | 1 | 0 | 6.41K | Jul 2004 – Aug 2007 |
| Lasater, Garland G-4-178996 | Gyp Hill, West (Frio 8000) | Brooks | 1 | 51.7K | 4.56M | Aug 2000 – Jun 2007 |
| Alvarez-Hinojosa Gas Unit G-4-142661 | Rincon (Vicksburg Cons.) | Starr | 1 | 6.82K | 803K | Jan 1993 – Jun 2007 |
| Speer, Geo. H. State -D- G-4-227057 | Lyda (Rincon W) | Starr | 1 | 1.91K | 135K | Nov 2006 – Jun 2007 |
| McKinney, Amanda G-4-226215 | Sun (H-1) | Starr | 1 | 2.87K | 45.2K | Jan 2007 – May 2007 |
| Garcia L&L Co G-4-180821 | Frost (Samano) | Starr | 1 | 66 | 88.8K | Jan 2001 – May 2007 |
| Hall, J. F. State G-4-224187 | Rincon, North (Frio 4870) | Starr | 1 | 132 | 46.9K | Nov 2006 – Mar 2007 |
| Zamora Unit G-4-226130 | Texan Gardens (O, East) | Hidalgo | 1 | 0 | 1.29K | Mar 2007 – Mar 2007 |
| Lasater, Garland G-4-177674 | Gyp Hill, West (Frio 8000) | Brooks | 1 | 33.4K | 2.37M | May 2000 – Feb 2007 |
| Zamora Unit G-4-118256 | Tabasco, North (R) | Hidalgo | 1 | 475 | 755K | Jan 1993 – Feb 2007 |
| Scherp, Peter Van G-4-125959 | Jeffress (Vicksburg U, FB-2) | Hidalgo | 1 | 28K | 2.55M | Jan 1993 – Dec 2006 |
| Wilde G-9-208187 | Reagan (Devonian) | Reagan | 1 | 189 | 17.3K | Dec 2004 – Dec 2006 |
| Hidalgo Willacy G-4-212917 | Texan Gardens (P Sand) | Hidalgo | 1 | 5 | 128K | Jun 2005 – Dec 2006 |
| Hidalgo-Willacy "B" G-4-184771 | Texan Gardens (O, South) | Hidalgo | 1 | 256 | 183K | Jun 2002 – Nov 2006 |
| Chapotal Land Co. -B- G-4-223280 | Cortez, North (BB) | Starr | 1 | 0 | 2.72K | Nov 2006 – Nov 2006 |
| University 18-31 G-10-99622 | Quito, East (Cherry Canyon) | Ward | 1 | 4.65K | 698K | Jan 1993 – Oct 2006 |
| Walker, P., et Al G-10-97297 | Quito, East (Cherry Canyon) | Ward | 1 | 142 | 365K | Jan 1993 – Aug 2006 |
| Chapotal Land Co. -B- G-4-191301 | La Burrita Creek (Jackson) | Starr | 1 | 1.51K | 244K | Sep 2002 – Jun 2006 |
| De Garcia, B. G. G-4-218398 | Braulia, East (7455 Vicksburg) | Starr | 1 | 146 | 10K | Jan 2006 – Jun 2006 |
| Chapotal Land Co. -B- G-4-193804 | La Burrita Creek (Frio) | Starr | 1 | 137 | 140K | Feb 2003 – Jun 2006 |
| Heard Gas Unit No. 2 G-4-139313 | Texan Gardens (L Sand) | Hidalgo | 1 | 6.36K | 1.89M | Jan 1993 – May 2006 |
| Arco Fee Silsbee G-3-124357 | Buna, West (Wilcox) | Hardin | 1 | 10.3K | 89.5K | Jan 1993 – Apr 2006 |