| Garcia, I. Y. G-4-159139 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 153K | 6.45M | May 1996 – Aug 2026 |
| Garcia, I. Y. G-4-110956 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 70.3K | 12.6M | by Jan 1993 – Aug 2026 |
| Garcia, I. Y. G-4-146488 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 68.3K | 2.65M | May 1993 – Mar 2008 |
| Kincaid, J. W. -B- G-4-111322 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 60.5K | 2.37M | by Jan 1993 – Apr 2016 |
| Zamora State G-4-150396 | Merit Energy Company only | Flores (Vicksburg, Lower) | Starr | 1 | 59K | 2.78M | Jun 1994 – Feb 2023 |
| Hall, J. F. State -A- G-4-115681 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 53.4K | 1.19M | by Jan 1993 – Jan 2015 |
| Garcia, J. A. G-4-187849 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 51.7K | 4.92M | Feb 2002 – May 2026 |
| Garcia, J. A. G-4-185389 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 47.9K | 3.61M | Oct 2001 – Aug 2026 |
| Garcia, I.Y. G-4-147109 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 47.8K | 3.06M | Sep 1993 – Sep 2000 |
| Garcia, J. A. G-4-126437 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 46.1K | 3.77M | by Jan 1993 – Aug 2026 |
| Garcia, I. Y. G-4-117565 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 40.3K | 2.31M | by Jan 1993 – Aug 2026 |
| Garcia, J. A. G-4-187956 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 35.4K | 3.33M | Mar 2002 – Aug 2026 |
| Garcia, J. A. G-4-189726 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 34.3K | 6.21M | Jun 2002 – Aug 2026 |
| Yturria L & L Co. "C" G-4-150151 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 34K | 2.88M | Feb 1994 – Sep 2000 |
| Garcia, I. Y. G-4-185099 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 32.7K | 4.91M | Sep 2001 – Aug 2026 |
| Garcia, I. Y. G-4-178830 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 32.2K | 4.37M | Sep 2000 – Apr 2020 |
| La Brisa Ranch G-4-162586 | Mountain V Texas, LLC only | Rincon (Vicksburg Lower 5480) | Starr | 1 | 31.9K | 2.45M | Dec 1996 – Oct 2004 |
| Kincaid, J. W. Gas Unit G-4-188040 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 29.7K | 2.05M | Dec 2001 – Apr 2026 |
| Garcia, I. Y. G-4-201536 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 27K | 2M | May 2004 – Aug 2019 |
| Garcia-Yturria Gas Unit G-4-181348 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 26.2K | 3.8M | Feb 2001 – Aug 2026 |
| Garcia, I. Y. G-4-181303 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 24.5K | 2.34M | Dec 2000 – Aug 2026 |
| Garcia, J. A. G-4-193722 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 24.4K | 1.49M | Feb 2003 – Aug 2026 |
| Garcia, I. Y. G-4-208622 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 23.8K | 1.51M | Dec 2004 – Aug 2026 |
| Garcia, I. Y. G-4-183421 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 22.8K | 2.93M | Jun 2001 – Jun 2009 |
| Emma Pena Gas Unit G-4-225179 | Merit Energy Company only | Lyda (Vicksburg Lower) | Starr | 1 | 21.8K | 4.7M | Jan 2007 – Aug 2026 |
| Garcia, I. Y. G-4-168958 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 19.9K | 2.54M | Jun 1998 – Feb 2017 |
| Garcia-Yturria Gas Unit G-4-157152 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 19.3K | 1.22M | Oct 1995 – Aug 2026 |
| Garcia-Yturria -a- Gas Unit G-4-158339 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 19.1K | 2.5M | Apr 1996 – Nov 2003 |
| Garcia, I.Y. G-4-144534 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 18.4K | 1.24M | by Jan 1993 – Jan 2001 |
| Speer, Geo. H. State -D- G-4-176266 | Kerr-McGee Oil & Gas Onshore LLC only | Lyda (Vicksburg Lower) | Starr | 1 | 17.5K | 651K | Feb 2000 – May 2004 |
| Garcia, J.A. G-4-128987 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 16.7K | 694K | by Jan 1993 – Aug 2026 |
| Garcia, I. Y. G-4-185212 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 16.3K | 1.74M | Sep 2001 – Aug 2026 |
| Garcia-Yturria "a" Gas Unit G-4-246258 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 15.6K | 1.53M | Dec 2008 – Aug 2026 |
| Garcia, I. Y. G-4-115351 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 15.6K | 3.34M | by Jan 1993 – May 2024 |
| Speer, Geo. H. State -D- G-4-269344 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 15.4K | 798K | Oct 2012 – Apr 2026 |
| De Flores, M. S. G-4-268968 | Petrovybe Opco LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 15.3K | 1.38M | Sep 2012 – Aug 2026 |
| Garcia, I. Y. G-4-192244 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 14.5K | 1.39M | Dec 2002 – Aug 2026 |
| Garcia, I. Y. G-4-186854 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 14.4K | 1.74M | Jan 2002 – Dec 2016 |
| Cameron, W. I. O-4-11118 | Forest Oil Corporation only | Cameron (K, Lower) | Starr | 1 | 14.2K | 55.8K | by Jan 1993 – Oct 1996 |
| Geo. H. Speer G-4-283840 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 13.9K | 2.19M | Mar 2018 – Aug 2026 |
| Hall, C. M. -C- G-4-266027 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 13.3K | 747K | May 2012 – Apr 2026 |
| Olivares, A. G-4-271689 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 13.3K | 3.38M | Oct 2013 – Aug 2026 |
| Hall, J. F. -State-A- G-4-103859 | Kerr-McGee Oil & Gas Onshore LP only | Lyda (Vicksburg Lower) | Starr | 1 | 12.4K | 1.07M | by Jan 1993 – May 1998 |
| Garcia, I. Y. G-4-189521 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 12.1K | 620K | May 2002 – Aug 2026 |
| Hall, C. M. -A- G-4-266028 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 11.8K | 1.18M | May 2012 – Jun 2025 |
| Slick State B G-4-253641 | Hilcorp Energy Company only | Flores (Vicksburg, Lower) | Starr | 1 | 11.5K | 935K | Nov 2007 – Aug 2026 |
| Yturria L & L -C- G-4-179147 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 11.1K | 998K | Sep 2000 – Oct 2014 |
| Garcia, I. Y. G-4-187657 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 11K | 974K | Mar 2002 – Mar 2009 |
| Speer, Geo. H. G-4-269988 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 10.9K | 1.88M | Apr 2013 – Aug 2026 |
| Speer, Geo. H. State -D- G-4-269075 | Killam Oil Co., Ltd. only | Lyda (Vicksburg Lower) | Starr | 1 | 10.6K | 1.36M | Oct 2012 – Apr 2026 |