| Marchbanks-Cadena Gas Unit #1 G-4-212935 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 13.8K | 969K | Jul 2005 – Sep 2017 |
| Marchbanks-Cadena G-4-205938 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 11K | 398K | Nov 2004 – Sep 2017 |
| Parr, Hilda G-4-258771 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 5.31K | 318K | Dec 2010 – Sep 2017 |
| Parr, Hilda G-4-209800 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 2.81K | 1.1M | Apr 2005 – Sep 2017 |
| Parr, Hilda G-4-216875 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 1.53K | 902K | Feb 2006 – Sep 2017 |
| Taft Prop. Syndicate G-4-145149 | White Point, East (3030) | San Patricio | 1 | 219 | 353K | Mar 1993 – Sep 2017 |
| Baldwin, J.C. G-4-141557 | White Point, East (2940) | San Patricio | 1 | 59 | 427K | Jan 1993 – Sep 2017 |
| Parr, Hilda G-4-208062 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 7.05K | 279K | Feb 2005 – Aug 2017 |
| Marchbanks-Cadena G-4-210976 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 23.2K | 468K | May 2005 – Nov 2016 |
| Marchbanks Cadena Gas Unit #1 G-4-233186 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 1 | 12.8K | Aug 2007 – Aug 2016 |
| Marchbanks Cadena et Al G-4-233158 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 11.9K | 257K | Nov 2007 – Jul 2016 |
| Parr, Hilda G-4-210836 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 3.6K | 331K | Jun 2005 – Jun 2016 |
| Parr, Hilda G-4-208061 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 3.54K | 497K | Jan 2005 – Jun 2016 |
| La Blanca G.U. G-4-170444 | La Blanca (Frio 6890) | Hidalgo | 1 | 2.37K | 287K | Jul 1998 – Jun 2016 |
| La Blanca Gas Unit G-4-156123 | San Salvador (Consolidated Frio) | Hidalgo | 1 | 2.01K | 813K | Oct 1995 – Jun 2016 |
| Parr, Hilda G-4-209714 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 621 | 219K | Mar 2005 – Jun 2016 |
| Parr, Hilda G-4-210933 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 601 | 26.8K | May 2005 – Jun 2016 |
| La Blanca G.U. G-4-170447 | La Blanca (Frio 8090) | Hidalgo | 1 | 51 | 27.1K | Aug 1998 – Jun 2016 |
| Greene, Shirley G-4-161066 | Chihuahua (8300) | Hidalgo | 1 | 9.77K | 621K | Dec 1995 – May 2016 |
| CNG Producing G-4-103584 | Chihuahua (8000) | Hidalgo | 1 | 4.04K | 309K | Jan 1993 – May 2016 |
| Parr, Hilda G-4-116586 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 1.1K | 310K | Jan 1993 – Dec 2015 |
| Parr, Hilda G-4-114773 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 1 | 25.3K | Jan 1993 – Dec 2015 |
| State Tract 973 G-4-164278 | White Point, E. (1850) | Nueces | 1 | 0 | 37.5K | Aug 1997 – Dec 2015 |
| State Tract 973 G-4-123828 | White Point, E. (White PT.2500) | Nueces | 1 | 0 | 1.5K | Oct 2003 – Dec 2015 |
| State Tract 973 G-4-98665 | White Point, East (5350) | Nueces | 1 | 0 | 2.24K | Dec 2003 – Aug 2015 |
| State Tract 973 G-4-97015 | White Point, E. (5800 Seg. B) | Nueces | 1 | 0 | 2.35K | Dec 2003 – Aug 2015 |
| Parr-Lawrence GU G-4-215514 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 2.47K | 302K | Nov 2005 – Feb 2015 |
| Jones "H" G-4-225028 | Midway, South (Consolidated) | San Patricio | 1 | 2.61K | 21.2K | Sep 2007 – Apr 2014 |
| Hutchins-Kelley G-3-246914 | Alwan (Frio 4360) | Wharton | 1 | 1.3K | 184K | Jan 2009 – Sep 2012 |
| Miller et Al G-4-218182 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 9.75K | 292K | May 2006 – Jan 2011 |
| Hutchins-Kelley G-3-246294 | Alwan, West (Yegua 6900) | Wharton | 1 | 2.55K | 142K | Dec 2008 – Jun 2010 |
| Saenz G-4-253100 | Independence, South (3180) | Duval | 1 | 1.47K | 565 | Nov 2009 – Feb 2010 |
| Marchbanks-Cadena G-4-216852 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 1.92K | 139K | Feb 2006 – Nov 2008 |
| Saenz,noe G-4-103130 | Starr, North (7000) | Starr | 1 | 120 | 64.1K | Jan 1993 – May 2007 |
| Coastal Corp. G-4-194801 | Muil, South (3450) | Jim Wells | 1 | 0 | 108K | May 2003 – Apr 2004 |
| Parr, Hilda G-4-244634 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 0 | 0 | — |
| Parr, Hilda G-4-117298 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 0 | 0 | — |
| Parr, Hilda G-4-261367 | Orcones (Frio-Vksbg Cons.) | Duval | 1 | 0 | 0 | — |