| Keirn, Pearl G-4-156694 | Merit Energy Company only | McAllen (Keirn) | Hidalgo | 1 | 23.5K | 1.64M | Jan 1995 – Mar 2003 |
| McAllen Fieldwide Unit G-4-148678 | Shell Western E&P only | McAllen (9400) | Hidalgo | 1 | 23.5K | 932K | Nov 1993 – Nov 2009 |
| Crockett, J. E. O-8-322 | K & W Vanpelt Company only | Callahan County Regular | Callahan | 24 | 23.4K | 30 | by Jan 1993 – Jul 2018 |
| Guerra, A. E. G-4-230798 | Chevron U. S. A. Inc. only | McAllen Ranch (Guerra) | Hidalgo | 1 | 23.4K | 4.88M | Jul 2007 – Mar 2010 |
| McAllen, A. A. G-4-198106 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 23.4K | 2.78M | Nov 2003 – Aug 2026 |
| Woods Christian G-4-155246 | Shell Western E&P Inc. only | McAllen Ranch (Vicksburg L) | Hidalgo | 1 | 23.4K | 1.22M | Aug 1995 – Jan 1996 |
| Woods Christian G-4-267868 | Merit Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 23.2K | 1.08M | May 2012 – Aug 2026 |
| Guerra, A. E. G-4-168577 | Chevron U. S. A. Inc. only | McAllen Ranch (Guerra) | Hidalgo | 1 | 23.2K | 2.03M | May 1998 – Feb 2001 |
| McAllen, A. A. G-4-265947 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 23.1K | 1.12M | Apr 2012 – Aug 2026 |
| Guerra, A. E. G-4-204243 | Hilcorp Energy Company only | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 23.1K | 1.18M | Jul 2004 – Aug 2005 |
| Beaurline, A. W. G-4-122313 | Merit Energy Company only | McAllen Ranch (Guerra) | Hidalgo | 1 | 23K | 1.88M | by Jan 1993 – Oct 2010 |
| Callis-Miller Lagrange Unit O-3-21474 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Fayette | 1 | 22.8K | 37.7K | by Jan 1993 – Dec 1996 |
| Woods Christian G-4-140206 | | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 22.8K | 931K | by Jan 1993 – Feb 2012 |
| Guerra, A. E. G-4-289737 | Hilcorp Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 22.8K | 1.62M | Jun 2016 – Aug 2017 |
| Wood Christian G-4-174531 | Shell Western E&P only | McAllen Ranch (Vicksburg N) | Hidalgo | 1 | 22.8K | 544K | Oct 1999 – Apr 2002 |
| Guerra, A. E. G-4-200474 | Hilcorp Energy Company only | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 22.8K | 1.53M | Mar 2004 – Aug 2026 |
| McAllen, A. A. G-4-66849 | Hilcorp Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 22.8K | 561K | Feb 1993 – Mar 2026 |
| Guerra, A. E. G-4-158843 | Texaco E & P Inc. only | McAllen Ranch (Guerra) | Hidalgo | 1 | 22.7K | 2.63M | May 1996 – Aug 1997 |
| McAllen, A. A. G-4-54803 | Shell Western E&P only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 22.7K | 712K | by Jan 1993 – Dec 2003 |
| McAllen, A.A. -B- G-4-84524 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 22.6K | 1.64M | by Jan 1993 – Aug 2026 |
| McAllen Fieldwide Unit G-4-248323 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 22.6K | 2.36M | Dec 2008 – Jul 2025 |
| McAllen, A.A. -B- G-4-68916 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 22.6K | 1.91M | by Jan 1993 – Mar 2006 |
| Guerra, A. E. G-4-182326 | Hilcorp Energy Company only | McAllen Ranch (Guerra) | Hidalgo | 1 | 22.5K | 1.41M | Mar 2001 – Mar 2004 |
| Guerra, A. E. G-4-235313 | Hilcorp Energy Company only | McAllen Ranch (Guerra) | Hidalgo | 1 | 22.4K | 2.82M | Jan 2008 – Aug 2026 |
| Arco - Call -A- O-3-10012 | Delta Exploration Company, Inc. only | Newton | Newton | 1 | 22.3K | 53.3K | by Jan 1993 – Jan 2006 |
| Christian, Woods G-4-96191 | Shell Western E&P only | McAllen Ranch (Vicksburg S) | Hidalgo | 1 | 22.2K | 428K | by Jan 1993 – Dec 1998 |
| Beaurline, A. W. G-4-150080 | Gn&j LLC only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 22.2K | 1.71M | Apr 1994 – Nov 2024 |
| McAllen, A. A. G-4-140210 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 21.9K | 1.59M | by Jan 1993 – Aug 2026 |
| McAllen, A.A. G-4-74826 | Forest Oil Corporation only | McAllen Ranch (Vicksburg Y) | Hidalgo | 1 | 21.8K | 653K | by Jan 1993 – Sep 1999 |
| McAllen, A. A. G-4-110673 | Shell Western E&P only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 21.8K | 1.17M | by Jan 1993 – Mar 2000 |
| McAllen, A. A. G-4-148776 | Hilcorp Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 21.8K | 763K | Mar 1994 – Aug 2026 |
| Westerman, C. C. O-8-457 | Wilson Well Service Inc. only | Callahan County Regular | Callahan | 19 | 21.5K | 30 | by Jan 1993 – Aug 2026 |
| Beaurline, A. W. G-4-147138 | Cabot Oil & Gas Corporation only | McAllen Ranch (Vksbg. S-T-U, N.) | Hidalgo | 1 | 21.5K | 1.46M | Oct 1993 – Jan 1999 |
| Guerra, A. E. G-4-218279 | Hilcorp Energy Company only | McAllen Ranch (Guerra) | Hidalgo | 1 | 21.4K | 6.07M | Nov 2005 – Jul 2009 |
| Christian, Woods G-4-166503 | Shell Western E&P only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 21.3K | 1.72M | Nov 1997 – Nov 2001 |
| McAllen, A. A. "B" G-4-139435 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 21.3K | 2.25M | by Jan 1993 – Aug 2026 |
| McAllen, A. A. G-4-65725 | Hilcorp Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 21.2K | 799K | by Jan 1993 – Jun 2003 |
| Esparza, Pablo, et al Unit G-4-31290 | Shell Western E&P only | McAllen, South (J-8) | Hidalgo | 1 | 21.1K | 2.38M | by Jan 1993 – Oct 2007 |
| McAllen Fieldwide Unit G-4-154915 | Fina Oil & Chemical Company only | McAllen (Crutchfield) | Hidalgo | 1 | 21K | 2.02M | Jan 1995 – Oct 1999 |
| Guerra, E. E. "A" G-4-254900 | Dewbre Petroleum Corporation only | McAllen Ranch (Guerra) | Hidalgo | 1 | 21K | 2.43M | Feb 2010 – Aug 2026 |
| McAllen, A. A. G-4-44579 | Shell Western E&P only | McAllen Ranch (Vicksburg S) | Hidalgo | 1 | 20.9K | 880K | by Jan 1993 – Oct 2000 |
| Christian, Woods G-4-85735 | Shell Western E&P only | McAllen Ranch (Vicksburg S) | Hidalgo | 1 | 20.9K | 1.06M | by Jan 1993 – Jan 2000 |
| Callihan, M. W. O-1-2522 | Meb, LLC only | Luling-Branyon | Caldwell | 7 | 20.8K | 323 | by Jan 1993 – Aug 2026 |
| McAllen, A. A. "B" G-4-270124 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 20.7K | 1.28M | Apr 2013 – Aug 2026 |
| Seale, F. L., Trust O-8-10738 | CDJ Oil Company, LLC only | Callahan County Regular | Callahan | 14 | 20.4K | 142 | by Jan 1993 – Aug 2026 |
| Hinojosa " a " G-4-194259 | Proline Energy Resources Inc only | McAllen Ranch (Vicksburg K Cons) | Hidalgo | 1 | 20.4K | 1.47M | Feb 2003 – Jul 2026 |
| McAllen, A. A. G-4-270461 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 20.3K | 1.5M | Jun 2013 – Aug 2026 |
| Mc Allen,a.a. G-4-57030 | Shell Western E&P only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 20.3K | 852K | Dec 1994 – Jan 2007 |
| Pharr Fieldwide Unit G-4-174886 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 20.3K | 1.8M | Jul 1999 – Mar 2022 |
| Beaurline, A. W. G-4-159331 | Gn&j LLC only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 20.1K | 4.21M | Jul 1996 – Dec 2022 |