| C.N.G. Gas Unit G-4-142552 | La Blanca (Frio Consolidated) | Hidalgo | 1 | 503 | 656K | Jan 1993 – Mar 2015 |
| Santa Cruz G-4-177795 | San Carlos (FF-18) | Hidalgo | 1 | 18 | 219K | Apr 2000 – Feb 2015 |
| Fee No. 827 Unit G-4-157113 | San Carlos (FD-93) | Hidalgo | 1 | 312 | 579K | Jan 1996 – Sep 2013 |
| Wysong Unit G-4-13892 | San Carlos (FD-93) | Hidalgo | 1 | 970 | 413K | Jan 1993 – Jul 2013 |
| Dillon, Shorty G-4-212257 | Edinburg, E. (Frio 6200) | Hidalgo | 1 | 771 | 379K | Jul 2005 – Dec 2011 |
| Santa Cruz Farms G-4-229269 | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 582K | Apr 2007 – Aug 2011 |
| Santa Cruz Farms G-4-229264 | San Carlos (FH-19) | Hidalgo | 1 | 0 | 71.5K | Feb 2007 – Jun 2011 |
| Born G-14-83011 | May (Basal Morrow) | Lipscomb | 1 | 430 | 232K | Jan 1993 – Jul 2009 |
| Clarissa Rojas Unit G-4-200438 | Edinburg, E. (Frio 6200) | Hidalgo | 1 | 132 | 147K | Mar 2004 – Nov 2007 |
| Rio Properties G-4-212810 | Edinburg, E. (Frio 6200) | Hidalgo | 1 | 34 | 32.2K | Aug 2005 – Nov 2007 |
| Santa Cruz Farms G-4-155345 | San Carlos (FE-14) | Hidalgo | 1 | 1.58K | 1.41M | Jun 1995 – Feb 2005 |
| Bravenec, Katherine G-3-177240 | Giddings (Austin Chalk, Gas) | Burleson | 1 | 7 | 21.4K | Jan 2000 – Jan 2004 |
| Hilton-Yegua Unit G-3-141258 | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 9.98K | 212K | Jan 1993 – Apr 2000 |
| Butler G-3-154553 | Giddings (Austin Chalk, Gas) | Washington | 1 | 485 | 485K | Sep 1994 – Mar 2000 |
| Millican-Havens Unit G-3-147034 | Giddings (Austin Chalk, Gas) | Brazos | 1 | 21.9K | 621K | Aug 1993 – Feb 2000 |
| Drought, Thomas G-3-141199 | Giddings (Austin Chalk, Gas) | Burleson | 1 | 4.58K | 103K | Jan 1993 – Feb 2000 |
| Sebesta-Vinson Unit G-3-143211 | Giddings (Austin Chalk, Gas) | Brazos | 1 | 48.5K | 1.05M | Jan 1993 – Nov 1999 |
| Santa Cruz Farms G-4-13912 | San Carlos (FF- 2) | Hidalgo | 1 | 25 | 4.89K | Jan 1993 – Dec 1998 |
| Fee -37- G-14-152006 | Feldman (Tonkawa) | Hemphill | 1 | 942 | 18.1K | Nov 1994 – Aug 1998 |
| Fee -37- G-14-152007 | Feldman (Tonkawa) | Hemphill | 1 | 0 | 3.56K | Nov 1994 – Aug 1998 |
| Amanda Unit G-3-88482 | Giddings (Austin Chalk, Gas) | Washington | 1 | 1.04K | 14.2K | Jan 1993 – Jul 1998 |
| Santa Cruz Farms G-4-136574 | San Carlos (FE-14) | Hidalgo | 1 | 102 | 162K | Jan 1993 – Jan 1998 |
| Bonner G-5-159845 | Simsboro, N. (Bossier Sd.) | Freestone | 1 | 4 | 541 | Jun 1996 – Feb 1997 |
| Stewart, G.P. Gas Unit G-6-140642 | Appleby, N (Pettit) | Rusk | 1 | 621 | 56.6K | Jan 1993 – Dec 1996 |
| Fee 827 Unit G-4-52273 | San Carlos (FE-59 B) | Hidalgo | 1 | 8 | 23.2K | Jan 1993 – Dec 1995 |
| Brainard G-14-108244 | Hansford (Morrow, Lower) | Roberts | 1 | 0 | 7.26K | Jan 1993 – Sep 1993 |
| Fee No. 827 Unit G-4-13907 | San Carlos (FE-81) | Hidalgo | 1 | 0 | 0 | — |
| Santa Cruz Farms G-4-13905 | San Carlos (FE-81) | Hidalgo | 1 | 0 | 0 | — |
| Wysong Gas Unit G-4-226645 | San Carlos (FH-19) | Hidalgo | 1 | 0 | 0 | — |
| Wysong Unit G-4-13903 | San Carlos (FE-59) | Hidalgo | 1 | 0 | 0 | — |
| Garcia G-4-13887 | San Carlos (FD-93) | Hidalgo | 1 | 0 | 0 | — |
| Fee 827 Unit G-4-35769 | San Carlos (FE-59) | Hidalgo | 1 | 0 | 0 | — |
| Helms, Nina G-6-165071 | Cedar Springs (Travis Peak 9000) | Upshur | 1 | 0 | 0 | — |
| Jackson, Lola K. G-14-22201 | Hitchland (4640) | Hansford | 1 | 0 | 0 | — |
| Fee No. 827 Unit G-4-13886 | San Carlos (FD-93) | Hidalgo | 1 | 0 | 0 | — |
| Santa Cruz Farms G-4-13883 | San Carlos (FD-93) | Hidalgo | 1 | 0 | 0 | — |
| Santa Cruz Farms G-4-229270 | San Carlos (FH-19) | Hidalgo | 1 | 0 | 0 | — |
| Santa Cruz G-4-178476 | San Carlos (FF-33) | Hidalgo | 1 | 0 | 0 | — |
| Santa Cruz G-4-178759 | San Carlos (FF-39) | Hidalgo | 1 | 0 | 0 | — |
| Santa Cruz Farms G-4-13918 | San Carlos (FF-18) | Hidalgo | 1 | 0 | 0 | — |