| Hubberd William C3 #842-479-31066 | Columbus Energy LLC only | WebbLaredo (5680) | ActiveGas | 9,285 | Feb 12, 2020 | 1 | Apr 2026 |
| Martinez Antonio et al #242-505-31644 | Hilcorp Energy Company only | ZapataLa Perla (Wilcox 6800) | ActiveGas | 8,850 | Mar 19, 2019 | 3 | Apr 2026 |
| Martinez Antonio et al Unit #242-505-32051 | Hilcorp Energy Company only | ZapataLa Perla (Wilcox 6800) | Temporarily abandonedGas | 8,850 | Mar 18, 2019 | 4 | Feb 2024 |
| Martinez E.T. #442-505-31136 | Hilcorp Energy Company only | ZapataLa Perla (Wilcox 6800) | ActiveGas | 8,737 | Sep 13, 2016 | 3 | Apr 2026 |
| Vela J. M. #642-505-31917 | Hilcorp Energy Company only | ZapataLaredo (Lobo) | ActiveGas | 9,000 | Jun 10, 2016 | 2 | Apr 2026 |
| Vela J.M. #742-505-32014 | Hilcorp Energy Company only | ZapataLa Perla (Wilcox 6800) | ActiveGas | 8,900 | May 27, 2016 | 3 | Apr 2026 |
| Cordero Martin #142-479-43321 | Amplify Energy Operating LLC only | WebbLaredo (Lobo) | PluggedGas | 9,000 | Apr 23, 2015 | 1 | Aug 2015 |
| Martinez Sinesio #242-479-30844 | Columbus Energy LLC only | WebbLaredo (Lobo) | PluggedGas | 8,000 | May 4, 2011 | 1 | — |
| Bruni Mineral Trust C #4942-479-40948 | Chevron U. S. A. Inc. only | WebbLaredo (Lobo) | Not on scheduleGas | 8,700 | Jun 9, 2010 | 1 | — |
| Martinez Antonio #1542-505-36404 | Hilcorp Energy Company only | ZapataLaredo (Lobo) | ActiveGas | 7,610 | Mar 6, 2009 | 1 | Apr 2026 |
| Hachar D. D. #4342-479-40222 | Columbus Energy LLC only | WebbLaredo (Navarro) | ActiveGas | 8,005 | May 20, 2008 | 2 | Jan 2016 |
| Hachar D. D. #4242-479-40210 | Digital Operating Company LLC only | WebbLaredo (Lobo) | Temporarily abandonedGas | 6,700 | May 13, 2008 | 2 | Sep 2015 |
| Malakoff M. E. #442-479-36354 | Chevron U. S. A. Inc. only | WebbLaredo (Lobo) | PluggedGas | 8,500 | Sep 14, 2007 | 2 | Aug 2007 |
| D. Martinez #1442-479-39361 | Digital Operating Company LLC only | WebbLaredo (Lobo) | Temporarily abandonedGas | 8,000 | Jan 20, 2006 | 1 | Apr 2025 |
| Leyendecker M. M. SWD #142-479-30774 | TX Energy Services LLC only | WebbLaredo (Lobo) | PluggedGas | 8,354 | Apr 27, 2005 | 2 | — |
| Hereford L.M. #542-479-30986 | Merit Energy Company only | WebbLaredo (Lobo) | ActiveGas | 8,140 | Feb 3, 2003 | 1 | Apr 2026 |
| Hachar #4042-479-38079 | Columbus Energy LLC only | WebbLaredo (Navarro) | ActiveGas | 8,100 | Oct 28, 2002 | 2 | Aug 2025 |
| Hubberd C #142-479-37979 | Hilcorp Energy Company only | WebbLaredo (Lobo) | ActiveGas | 9,000 | Oct 14, 2002 | 2 | Apr 2026 |
| Hereford L. M. #5242-479-38160 | Merit Energy Company only | WebbLaredo (Lobo) | ActiveGas | 8,355 | Jul 10, 2002 | 1 | Apr 2026 |
| Hubberd B #242-479-38072 | Hilcorp Energy Company only | WebbLaredo (Lobo) | ActiveGas | 9,000 | Mar 18, 2002 | 2 | Apr 2026 |
| Hubberd William C #242-479-31022 | Forest Oil Corporation only | WebbLaredo (7900) | PluggedGas | 8,853 | Feb 15, 2002 | 1 | Aug 2005 |
| Hachar #3842-479-37977 | Columbus Energy LLC only | WebbLaredo (Navarro) | ActiveGas | 8,075 | Oct 30, 2001 | 1 | Aug 2025 |
| Hubberd E #142-479-32621 | Rosetta Resources Operating LP only | WebbLiz (8700) | PluggedGas | 10,500 | Sep 5, 2001 | 2 | Jul 2007 |
| State-Hein No. 1 Unit #142-479-37691 | Teal Energy USA Inc. only | WebbMaria H. Llanos (6400) | ActiveGas | 7,919 | Dec 18, 2000 | 3 | Feb 2025 |
| Vela J. M. #442-505-31105 | Ricochet Energy Inc. only | ZapataLaredo (Lobo) | PluggedGas | 9,850 | Aug 31, 2000 | 2 | May 1993 |
| McNary-Ramsay #142-479-31947 | Columbus Energy LLC only | WebbMcNary (Hirsch 6950 Sd.) | PluggedGas | 7,400 | Jan 11, 1999 | 3 | Aug 2013 |
| Hereford L. M. #5142-479-37112 | Merit Energy Company only | WebbLaredo (Lobo) | ActiveGas | 8,110 | Sep 29, 1998 | 1 | Apr 2026 |
| Hereford -T- #4942-479-37104 | Merit Energy Company only | WebbLaredo (Lobo) | ActiveGas | 7,635 | Sep 21, 1998 | 1 | Apr 2026 |
| Hereford L. M. #5042-479-36989 | Merit Energy Company only | WebbLaredo (Lobo) | ActiveGas | 8,008 | Jun 4, 1998 | 1 | Apr 2026 |
| McKendrick W. H. #142-479-30676 | Columbus Energy LLC only | WebbLaredo (8080) | ActiveGas | 8,034 | Sep 15, 1997 | 1 | Apr 2026 |
| B.M.T. #842-479-36598 | Columbus Energy LLC only | WebbLaredo (Lobo) | ActiveGas | 7,650 | Dec 11, 1996 | 1 | Apr 2026 |
| Rancho Blanco #442-479-36478 | Columbus Energy LLC only | WebbLaredo (Lobo) | Temporarily abandonedGas | 7,030 | Apr 8, 1996 | 3 | Jun 2019 |
| Hachar D. D. #2542-479-36449 | Digital Operating Company LLC only | WebbLaredo (Lobo) | Temporarily abandonedGas | 6,600 | Mar 4, 1996 | 1 | Oct 2012 |
| Rancho Blanco #542-479-36455 | Columbus Energy LLC only | WebbLaredo (Lobo) | ActiveGas | 7,203 | Mar 4, 1996 | 2 | Apr 2026 |
| McKendrick W. H. #1642-479-35988 | Columbus Energy LLC only | WebbLaredo (Lobo) | Temporarily abandonedGas | 8,730 | May 18, 1995 | 2 | Jul 1997 |
| Ramirez J.E. #342-479-36297 | Hilcorp Energy Company only | WebbLaredo (Lobo) | ActiveGas | 7,417 | May 10, 1995 | 1 | Apr 2026 |
| Ramirez-Malakoff Unit #242-479-36265 | Hilcorp Energy Company only | WebbLaredo (Lobo) | ActiveGas | 7,755 | Mar 20, 1995 | 1 | Apr 2026 |
| Eudoxio Martinez Unit 1 #242-505-32333 | Hilcorp Energy Company only | ZapataLaredo S. (Queen City) | ActiveGas | 8,182 | Feb 21, 1995 | 2 | Apr 2026 |
| Bruni Mineral Trust a #242-479-31860 | Hilcorp Energy Company only | WebbJuanita (7100) | Temporarily abandonedGas | 10,690 | Aug 25, 1994 | 2 | Jan 2023 |
| Clark-Hereford #5 Q42-479-33015 | Columbus Energy Corp. only | WebbLaredo S. (Queen City) | PluggedGas | 8,500 | Nov 12, 1993 | 2 | Oct 1995 |
| Zachry H. B. #2642-479-35929 | Zachry Exploration Inc. only | WebbLaredo (Lobo) | PluggedGas | 7,500 | Sep 14, 1993 | 3 | Jan 1999 |
| C-Bruni Mineral Trust #342-479-30893 | Hilcorp Energy Company only | WebbBashara-Hereford (7300) | ActiveGas | 8,400 | Jun 28, 1993 | 1 | Apr 2026 |
| M.L.E.I. Bruni Min. Tr. #242-479-33721 | Hilcorp Energy Company only | WebbLaredo (Lobo) | ActiveGas | 9,000 | Jun 28, 1993 | 2 | Apr 2020 |
| Alexander Charles #242-505-31137 | Hilcorp Energy Company only | ZapataBashara-Hereford (7300) | ActiveGas | 8,541 | Jun 18, 1993 | 2 | Apr 2026 |
| C-Bruni Mineral Trust #1742-479-31759 | Hilcorp Energy Company only | WebbBashara-Hereford (7300) | Temporarily abandonedGas | 8,511 | Apr 12, 1993 | 2 | Aug 2020 |
| Martinez-Alexander Gas Unit #242-505-31414 | Hilcorp Energy Company only | ZapataBashara-Hereford (7300) | ActiveGas | 9,750 | Apr 5, 1993 | 2 | Apr 2026 |
| Briones J.E. #142-505-30875 | Chevron U. S. A. Inc. only | ZapataWildcat | PluggedGas | 10,000 | Nov 16, 1992 | 2 | Jan 1993 |
| C-Bruni Mineral Trust #1942-479-32765 | Hilcorp Energy Company only | WebbBashara-Hereford (7300) | ActiveGas | 8,203 | Nov 5, 1992 | 2 | Apr 2026 |
| Hereford L. M. #642-479-31009 | North Central Oil Corp. only | WebbBashara-Hereford (Wilcox 5900) | PluggedGas | 5,590 | Jun 24, 1992 | 2 | Dec 1993 |
| Hachar D. D. #2042-479-35250 | Columbus Energy LLC only | WebbLaredo (Lobo) | ActiveGas | 6,500 | Jun 6, 1991 | 1 | Apr 2026 |