| Hill, M. J. Mrs. G-10-90210 | Halley (Penn.) | Winkler | 1 | 0 | 253K | Jan 1993 – Dec 2006 |
| Hill, M. J. Acct 3 O-10-36118 | Halley (Ellenburger, West) | Winkler | 1 | 368 | 4.61K | Aug 1999 – Oct 2006 |
| George Ranch O-3-24802 | Smithers Lake (Yegua LWR AU) | Fort Bend | 1 | 2.72K | 25.3K | Jul 2005 – Mar 2006 |
| Pure-Walton G-10-20372 | Keystone (Lime) | — | 1 | 0 | 0 | Jan 1993 – Dec 2005 |
| Pure-Walton G-10-136138 | Keystone (Colby) | Winkler | 1 | 0 | 1.34K | Jan 1993 – Nov 2005 |
| Jenkins, B. F. et AL G-10-20452 | Keystone (McKee) | Winkler | 1 | 0 | 0 | Jan 1993 – Oct 2005 |
| George Ranch G-3-188303 | Smithers Lake (Yegua EY-1) | Fort Bend | 1 | 0 | 2.96M | Apr 2002 – Oct 2004 |
| Southland-Jenkins O-10-3295 | Keystone (Colby) | — | 4 | 0 | 0 | Jan 1993 – Oct 2004 |
| East 22 Unit G-10-177761 | Halley (Devonian) | Winkler | 1 | 0 | 340K | Apr 2000 – Aug 2004 |
| Bonorden Gas Unit G-2-170995 | Hallettsville (8850) | Lavaca | 1 | 0 | 411K | Aug 1998 – Aug 2004 |
| Pogo Walton C O-10-36282 | Kermit (Yates) | Winkler | 1 | 1.05K | 7.16K | Feb 2000 – Jun 2004 |
| Stanolind-B,hill,m.f.-Mitchell,g G-10-79967 | Halley (Montoya) | Winkler | 1 | 0 | 1.39K | Jan 1993 – Jun 2004 |
| Pure Walton O-10-36149 | Keystone (Ellenburger) | Winkler | 1 | 0 | 0 | Jan 2000 – Apr 2004 |
| Neuhaus Unit G-2-195303 | Word, N. (8000) | Lavaca | 1 | 0 | 46.7K | Apr 2003 – Feb 2004 |
| Baird, W. E. G-10-172122 | Kermit (McKee) | Winkler | 1 | 0 | 87.5K | Nov 1998 – Nov 2003 |
| Walton, J. B. G-10-120460 | Keystone (Colby) | Winkler | 1 | 0 | 18.3K | Jan 1993 – Oct 2003 |
| McCune State Unit "A" O-9-13093 | Southwest Mesa (Wolfcamp) | Crockett | 1 | 30.5K | 143K | Jan 1993 – Aug 2003 |
| Moss, L. D. et AL O-10-27283 | Troporo N. (Queen) | Crane | 3 | 9.84K | 3.65K | Jan 1993 – Aug 2003 |
| South Keystone Silurian Unit O-10-35346 | Keystone (Silurian) | Winkler | 1 | 0 | 0 | May 1997 – Aug 2003 |
| Hill 23 Unit G-10-77697 | Halley (Devonian) | Winkler | 1 | 0 | 2.47M | Jan 1993 – Aug 2003 |
| Armstrong, Elizabeth M., Etal O-10-378 | Block a-34 (Strawn) | — | 1 | 0 | 0 | Jan 1993 – Aug 2003 |
| Continental-Walton O-10-3305 | Keystone (Colby) | — | 1 | 1.59K | 3.14K | Jan 1993 – Jul 2003 |
| EL Coyote "C" G-4-156995 | EL Coyote (Vicksburg E-F Cons.) | Brooks | 1 | 0 | 57.5K | Oct 1995 – Mar 2003 |
| EL Coyote "C" G-4-158101 | EL Coyote (Vicksburg D) | Brooks | 1 | 0 | 497K | Jan 1996 – Mar 2003 |
| Bonorden Gas Unit G-2-180198 | Hallettsville (8250 Wilcox) | Lavaca | 1 | 0 | 38.5K | Sep 2000 – Mar 2003 |
| Lips, Barbara "C" (Ecr) G-4-141121 | Lopez Ranch (Vksbg F1) | Brooks | 1 | 0 | 3.02M | Jan 1993 – Sep 2002 |
| West 22 Unit G-10-44087 | Halley (Devonian) | Winkler | 1 | 0 | 741K | Jan 1993 – Sep 2002 |
| Lips, Barbara "C" (Ecr) G-4-94719 | Rucias N (FB DD) | Brooks | 1 | 0 | 810K | Jan 1993 – Sep 2002 |
| City of Portland G.U. -B- G-4-70287 | Portland, N. (Commonwealth Serie | San Patricio | 1 | 0 | 355K | Jan 1993 – Aug 2002 |
| Portland Unit -F- G-4-57455 | Portland, W. (F-9) | — | 1 | 0 | 847K | Jan 1993 – Aug 2002 |
| Bass Keystone Silurian Unit O-10-35481 | Keystone (Silurian) | Winkler | 3 | 2.51K | 2.15K | Oct 1997 – May 2002 |
| Wheeler Ranch G-1-187978 | Wildcat | McMullen | 1 | 0 | 0 | Dec 2001 – Apr 2002 |
| City of Portland G. U. -B- G-4-65733 | Portland, N. (Commonwealth Serie | San Patricio | 1 | 0 | 7.81K | Jan 1993 – Aug 2001 |
| Bash G-10-152348 | Keystone (Ellenburger) | Winkler | 1 | 0 | 134K | Nov 1994 – Jul 2001 |
| Bonorden Gas Unit G-2-173363 | Hallettsville, East (8300) | Lavaca | 1 | 0 | 84.3K | Feb 1999 – Jun 2001 |
| Hinze Gas Unit G-2-157138 | Hound Dog (Mid. Wilcox 12000) | Lavaca | 1 | 0 | 3.04M | Dec 1995 – Jun 2001 |
| McCune, E. State O-9-14684 | Tippett (Clear Fork Lo.) | Crockett | 1 | 315 | 1.17K | May 1997 – May 2001 |
| Pure- Walton G-10-153910 | Keystone (Ellenburger) | Winkler | 1 | 0 | 77.3K | Mar 1995 – Mar 2001 |
| Lips, Barbara "B" (Ecr) G-4-94697 | Lopez Ranch (Vksbg 12250) | Brooks | 1 | 0 | 23.8K | Jan 1993 – Mar 2001 |
| Bash G-10-153912 | Keystone (Ellenburger) | Winkler | 1 | 0 | 168K | Mar 1995 – Mar 2001 |
| Hill, M. J., Mrs. O-10-11868 | Halley (Glorieta) | Winkler | 1 | 22.6K | 72.2K | Jan 1993 – Jul 2000 |
| Neuhaus Unit O-2-8150 | WORD,N(8300) | Lavaca | 1 | 10.5K | 19.1K | Feb 1996 – May 2000 |
| Pure Walton G-10-136143 | Keystone (Ellenburger) | Winkler | 1 | 0 | 390K | Jan 1993 – Apr 2000 |
| B a S H O-10-36226 | Keystone (Colby) | — | 1 | 0 | 0 | Jan 2000 – Apr 2000 |
| Goode, M. H. Estate G-9-158996 | Brown-Bassett (Wolfcamp) | Terrell | 1 | 0 | 600K | Apr 1996 – Mar 2000 |
| Keystone Cattle Co. G-10-38243 | Keystone (Devonian) | — | 1 | 0 | 19.8K | Jan 1993 – Mar 2000 |
| Pogo Walton C G-10-139861 | Keystone (Yates) | Winkler | 1 | 0 | 37.4K | Jan 1993 – Jan 2000 |
| East 22 Unit G-10-44083 | Halley (Devonian) | Winkler | 1 | 0 | 805K | Jan 1993 – Jan 2000 |
| M. J. Bashara O-10-35774 | Keystone (Devonian) | — | 1 | 451 | 2.72K | Mar 1998 – Dec 1999 |
| Neuhaus Unit G-2-54792 | Word, N. (7800) | Lavaca | 1 | 0 | 0 | Jan 1993 – Dec 1999 |