| Garcia, E. G-4-88170 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 153K | Jan 1993 – Jul 2026 |
| Hidalgo-Willacy G-4-118847 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 495K | Jan 1993 – Jul 2026 |
| Amyx Unit G-4-120343 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 905K | Jan 1993 – Jul 2026 |
| Hidalgo - Willacy G-4-121793 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 207K | Jan 1993 – Jul 2026 |
| Hidalgo - Willacy G-4-123683 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 587K | Jan 1993 – Jul 2026 |
| Hidalgo-Willacy G-4-123927 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 130K | Jan 1993 – Jul 2026 |
| Hidalgo - Willacy G-4-124261 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 77.6K | Jan 1993 – Mar 2022 |
| Hidalgo - Willacy G-4-124604 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 505K | Jan 1993 – Jul 2026 |
| CNG Gas Unit IV G-4-125460 | Hilcorp Energy Company only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 2.54M | Jan 1993 – Jul 2026 |
| Hidalgo - Willacy G-4-129817 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 709K | Jan 1993 – Jul 2026 |
| Hidalgo-Willacy G-4-129819 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 125K | Jan 1993 – Jul 2026 |
| CNG Gas Unit IV G-4-131990 | Hilcorp Energy Company only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 3.38M | Jan 1993 – Jul 2026 |
| CNG V G-4-132325 | Mountain V Texas, LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Heard Gas Unit G-4-134566 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 3.48M | Jan 1993 – Jul 2026 |
| Edinburg Improvement Association G-4-136530 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 1.48M | Jan 1993 – Jul 2026 |
| Hidalgo-Willacy G-4-136872 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 60.1K | Jan 1993 – Jul 2026 |
| Hidalgo-Willacy G-4-138427 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 1.66M | Jan 1993 – Jul 2026 |
| Edinburg Improvement Assoc. G.U. G-4-139097 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 468K | Jan 1993 – Jul 2026 |
| CNG G.U. VI G-4-144233 | Hilcorp Energy Company only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 2.91M | Feb 1993 – Jul 2026 |
| CNG III G-4-144801 | Hilcorp Energy Company only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 1.7M | Mar 1993 – Jul 2026 |
| Willacy, Hidalgo G-4-145306 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 550K | Feb 1993 – Jul 2026 |
| CNG GU III G-4-148845 | Hilcorp Energy Company only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 491K | Apr 1994 – Jul 2026 |
| CNG I G-4-152619 | Smith Production Inc. only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 1.68M | Dec 1994 – Feb 2024 |
| Hidalgo Willacy G-4-154878 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 1.36K | Apr 1995 – Jul 2026 |
| Hidalgo Willacy G-4-154939 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 364K | Jul 1995 – Jul 2026 |
| CNG I G-4-160792 | Smith Production Inc. only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 0 | Aug 1996 – Apr 2024 |
| Edingburg Improvement Assoc. G-4-162029 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 1.04M | Jan 1997 – Jul 2026 |
| Swantner G-4-163103 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 549K | Dec 1996 – Jul 2026 |
| Dougherty, M. P. G-4-163847 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 706K | Jun 1997 – Mar 2022 |
| Hidalgo Willacy G-4-164206 | Wynn-Crosby Operating, Ltd. only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 23.4K | Jul 1997 – Sep 2015 |
| Swantner G-4-165168 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 518K | Jul 1997 – Jul 2026 |
| CNG Gas Unit VI G-4-173970 | Hilcorp Energy Company only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 167 | Jun 1999 – Jul 2026 |
| CNG Gas Unit VI G-4-173972 | Hilcorp Energy Company only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 145K | Jun 1999 – Jul 2026 |
| Edinburg Improvement Association G-4-174158 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 62K | Jul 1999 – Jul 2026 |
| CNG GU IV G-4-175151 | Hilcorp Energy Company only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 1.19M | Nov 1999 – Jul 2026 |
| Hidalgo Willacy G-4-181498 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 0 | Sep 2000 – Jul 2026 |
| Hidalgo-Willacy G-4-185276 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 78.3K | Jan 2001 – Jul 2026 |
| Arco Dougherty/Eia Unit #1 G-4-185964 | Dewbre Petroleum Corporation only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 638K | Sep 2001 – Jul 2026 |
| CNG GU IV G-4-186064 | Hilcorp Energy Company only | Texan Gardens (T Sand) | Hidalgo | 1 | 0 | 1.3M | Nov 2001 – Jul 2026 |
| Hidalgo Willacy G-4-190899 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 345K | Aug 2002 – Jul 2026 |
| Hidalgo Willacy G-4-191634 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 164K | Jul 2002 – Jul 2026 |
| Hidlago - Willacy G-4-192340 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 329K | Nov 2002 – Jul 2026 |
| Texan Gardens G-4-193802 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 586K | Jan 2003 – Jul 2026 |
| Garcia, E. G-4-194526 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 26.7K | Mar 2003 – Jul 2026 |
| Heard Gas Unit 2 G-4-194585 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 1.07M | Dec 2002 – Jul 2026 |
| Edinburg Improvement Association G-4-194619 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 1.74K | Dec 2002 – Jul 2026 |
| Hidalgo-Willacy G-4-214119 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 327K | Mar 2005 – Jul 2026 |
| Hidalgo-Willacy G-4-214154 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 50.6K | May 2005 – Jul 2026 |
| Hidalgo-Willacy G-4-214703 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 167K | Oct 2005 – Jul 2026 |
| Zamora Unit G-4-215852 | Atlas Operating LLC only | Texan Gardens-Tabasco, N. (Cons) | Hidalgo | 1 | 0 | 27.2K | Sep 2005 – Jul 2026 |