| Hirsch Estate 2104 B G-4-160492 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 38.6K | 3.31M | Oct 1996 – Jan 2017 |
| Hirsch Estate J G-4-142875 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 28.9K | 1.81M | Jan 1993 – Apr 2026 |
| Hirsch Estate 2093 G-4-138457 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 27.8K | 2.55M | Jan 1993 – Apr 2026 |
| Hirsch Estate No. 1954 G-4-184855 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 27.3K | 3.56M | Aug 2001 – Apr 2026 |
| Killam-Hurd-Amoco G-4-104940 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 26.1K | 7.21M | Jan 1993 – Apr 2026 |
| Killam-Hurd-Amoco G-4-140737 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 24.5K | 7.41M | Jan 1993 – Apr 2026 |
| Killam-Hurd-Amoco Range G-4-98916 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 23.8K | 7.07M | Jan 1993 – Apr 2026 |
| Hirsch Estate 1771 G-4-164144 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 23.6K | 2.83M | May 1997 – Apr 2026 |
| Hirsch State 2072 G-4-166318 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 21.6K | 1.48M | Jan 1998 – Apr 2026 |
| Hirsch Estate 517 G-4-183728 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 21K | 696K | Mar 2001 – Feb 2006 |
| Hirsch Estate 537 G-4-170511 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 20.8K | 809K | Sep 1998 – Apr 2026 |
| Hirsch Estate A G-4-143419 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 20.8K | 2.54M | Jan 1993 – Nov 2017 |
| Killam-Hurd-Amoco G-4-103036 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 17.8K | 6.34M | Jan 1993 – Apr 2026 |
| Killam-Hurd-Amoco G-4-103352 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 17.3K | 3.72M | Jan 1993 – Apr 2026 |
| Killam-Hurd-Amoco G-4-104939 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 16.6K | 5.12M | Jan 1993 – Dec 2021 |
| Hirsch Estate 1766 G-4-158123 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 16.2K | 1.98M | Apr 1996 – Apr 2026 |
| Hirsch Estate 517 G-4-138518 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 15.3K | 1.45M | Jan 1993 – Apr 2026 |
| Hirsch, I. Estate 517 G-4-133791 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 15.1K | 2.02M | Jan 1993 – Apr 2026 |
| Hirsch-State-Norfleet Gas Unit G-4-141119 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 15.1K | 1.05M | Jan 1993 – Jun 2025 |
| Hirsch Estate 2071 G-4-140147 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 15K | 1.58M | Jan 1993 – Dec 2022 |
| Hirsch Estate 1766 G-4-91289 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 13.5K | 2.03M | Jan 1993 – Apr 2026 |
| Hirsch Estate 2071 G-4-169529 | Conocophillips Company only | Big Cowboy (Lobo) | Webb | 1 | 13.1K | 394K | May 1998 – Apr 2001 |
| Killam-Hurd-Amoco G-4-125272 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 12.4K | 2.93M | Jan 1993 – Apr 2026 |
| Hirsch Estate Gas Unit 1766 G-4-129859 | Hilcorp Energy Company only | El Caballero (Lobo) | Webb | 1 | 12.3K | 756K | Feb 1993 – Apr 2026 |
| Roscher-Hirsch Gas Unit G-4-139238 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 12.2K | 1.28M | Jan 1993 – Apr 2026 |
| Khe Range G-4-206632 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 10.9K | 935K | Dec 2004 – Sep 2017 |
| Hirsch Estate 858 G-4-161957 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 10.4K | 329K | Nov 1996 – Feb 2016 |
| Hirsch Estate "2095" G-4-131670 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 10.3K | 1.02M | Jan 1993 – Apr 2026 |
| Hirsch Estate 2094 G-4-195937 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 10.3K | 2.24M | Jun 2003 – Apr 2026 |
| Roscher-Hirsch G. U. G-4-140270 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 10.1K | 749K | Jan 1993 – Feb 2005 |
| Hirsch Estate 1766 G-4-115796 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 10.1K | 437K | Jan 1993 – Apr 2026 |
| Hirsch Estate 857 G-4-104927 | Conoco Inc. only | Big Cowboy (Lobo) | Webb | 1 | 9.78K | 468K | Jan 1993 – May 1996 |
| Hirsch Estate Gas Unit G-4-133784 | Conocophillips Company only | Big Cowboy (Lobo) | Webb | 1 | 9.45K | 990K | Jan 1993 – Aug 2008 |
| Hirsch Estate 1772 G-4-191619 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 8.85K | 1.54M | Aug 2002 – Apr 2026 |
| Hirsch Estate 2096 G-4-113244 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 8.58K | 2.56M | Jan 1993 – Apr 2026 |
| Hirsch G-4-132274 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 8.36K | 1.78M | Jan 1993 – Apr 2026 |
| Hirsch Estate 1772 G-4-114141 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 7.81K | 1.1M | Jan 1993 – Apr 2026 |
| Killam-Hurd-Amoco G-4-140849 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 7.5K | 2.06M | Jan 1993 – Apr 2026 |
| McNary-Ramsay G-4-171985 | Columbus Energy, LLC only | McNary (Hirsch 6950 Sd.) | Webb | 1 | 7.46K | 1.13M | Jan 1999 – Aug 2013 |
| Hirsch Estate Gas Unit 1766 G-4-162230 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 7.42K | 1.68M | Dec 1996 – Apr 2026 |
| Bruni-Hirsch Gas Unit G-4-130566 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 7.02K | 733K | Jan 1993 – Aug 2016 |
| Khe Fee G-4-211424 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 6.81K | 701K | Jun 2005 – Apr 2026 |
| Hirsch Estate 54 G-4-165741 | Conocophillips Company only | Big Cowboy (Lobo) | Webb | 1 | 6.53K | 302K | Dec 1997 – Mar 2000 |
| Roscher-Hirsch Gas Unt G-4-139451 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 6.26K | 886K | Jan 1993 – Nov 2007 |
| Hirsch Estate 537 G-4-188199 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 6.17K | 566K | Feb 2002 – Apr 2026 |
| Hirsch-State-Norfleet Gas Unit G-4-141300 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 6.07K | 748K | Jan 1993 – Apr 2026 |
| McNary - Warrior G-4-98330 | Columbus Energy, LLC only | McNary (Hirsch 6950 Sd.) | Webb | 1 | 6.04K | 1.4M | Jan 1993 – Jun 2016 |
| Hirsch Estate 858 G-4-140778 | Conocophillips Company only | Big Cowboy (Lobo) | Webb | 1 | 5.91K | 1.13M | Jan 1993 – Jun 1997 |
| Killam-Hurd-Amoco G-4-124687 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 5.65K | 1.73M | Jan 1993 – Mar 2022 |
| Hirsch Estate 537 G-4-168108 | Hilcorp Energy Company only | Big Cowboy (Lobo) | Webb | 1 | 5.6K | 334K | May 1998 – Sep 2003 |