| Call, D. Ars Fee 1 O-3-20362 | Bock & Bacon, Inc. only | Sheraliz (W8) | Newton | 1 | 16.1K | 6.84K | by Jan 1993 – Feb 1996 |
| Guerra, A. E. G-4-236436 | Chevron U. S. A. Inc. only | McAllen Ranch (Guerra) | Hidalgo | 1 | 16K | 2.52M | Oct 2007 – Nov 2009 |
| Woods Christian G-4-135979 | Shell Western E&P only | McAllen Ranch (Vicksburg K Cons) | Hidalgo | 1 | 15.9K | 321K | by Jan 1993 – Jan 2000 |
| McAllen Fieldwide Unit G-4-104285 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 15.8K | 4.6M | by Jan 1993 – Aug 2026 |
| McAllen Fieldwide Unit G-4-190613 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 15.7K | 4.34M | May 2002 – Aug 2009 |
| McAllen Fieldwide Unit G-4-208836 | Merit Energy Company only | Belle Ferguson (Bond) | Hidalgo | 1 | 15.7K | 859K | Feb 2005 – Apr 2010 |
| McAllen, A. A. "Slot" G-4-262821 | Merit Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 15.6K | 663K | Aug 2011 – Aug 2026 |
| McAllen, A. A. G-4-96192 | Hilcorp Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 15.6K | 299K | by Jan 1993 – Apr 1996 |
| McAllen Fieldwide Unit G-4-11948 | Total E&P USA, Inc. only | McAllen (Hansen) | Hidalgo | 1 | 15.5K | 4.7M | Jan 1994 – Jul 2004 |
| Beaurline, A. W. G-4-110796 | Shell Western E&P Inc. only | McAllen Ranch(vicksburg-U-V-,se) | Hidalgo | 1 | 15.5K | 430K | by Jan 1993 – Nov 1994 |
| Guerra, A. E. G-4-148031 | Chevron U. S. A. Inc. only | McAllen Ranch (Vicksburg Y) | Hidalgo | 1 | 15.4K | 1.15M | Jan 1994 – Dec 1995 |
| McCall B Unit G-13-276222 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 15.4K | 284K | Jun 2014 – Aug 2026 |
| McAllen, A. A. "B" G-4-267772 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 15.3K | 827K | Aug 2012 – Aug 2026 |
| Snyder 211 O-8-30147 | Quail Well Service, Inc. only | Callahan County Regular | Callahan | 9 | 15.2K | 0 | Mar 2008 – Jul 2017 |
| UL Roy E 18-4-13 O-10-55607 | Callon Permian II, LLC only | Phantom (Wolfcamp) | Ward | 1 | 15.2K | 20.3K | Jan 2022 – Jan 2022 |
| Beaurline, A. W. G-4-166323 | Merit Energy Company only | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 15.1K | 859K | Dec 1997 – Aug 2026 |
| McAllen Fieldwide Unit G-4-140976 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 15.1K | 3.94M | by Jan 1993 – May 2006 |
| Guerra, A. E. G-4-169952 | Hilcorp Energy Company only | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 15.1K | 3.79M | Jul 1998 – Aug 2026 |
| Beaurline, A. W. G-4-172706 | Gn&j LLC only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 15K | 3.13M | Feb 1999 – Nov 2024 |
| Guerra, A.E. G-4-247724 | Hilcorp Energy Company only | McAllen Ranch (Guerra) | Hidalgo | 1 | 15K | 1.54M | Dec 2008 – Dec 2014 |
| Pharr Fieldwide Unit G-4-177729 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 15K | 2.3M | Mar 2000 – Aug 2026 |
| McAllen Fieldwide Unit G-4-179960 | Totalfinaelf E&P USA Inc only | McAllen (Marks) | Hidalgo | 1 | 14.7K | 3.04M | Sep 2000 – Nov 2002 |
| Guerra, E. E. G-4-143900 | Dewbre Petroleum Corporation only | McAllen Ranch (Guerra) | Hidalgo | 1 | 14.7K | 5.35M | by Jan 1993 – Aug 2026 |
| Woods, Christian G-4-172593 | Shell Western E&P only | McAllen Ranch (Vicksburg N) | Hidalgo | 1 | 14.6K | 723K | Mar 1999 – Jan 2000 |
| McAllen, A.A. G-4-249783 | Hilcorp Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 14.5K | 739K | Apr 2009 – May 2017 |
| Ramsey, Cal -B- O-8-446 | M2 Squared Operating, LLC only | Callahan County Regular | Callahan | 9 | 14.5K | 116 | by Jan 1993 – Aug 2026 |
| McAllen, A. A. "B" G-4-236584 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 14.5K | 1.86M | Feb 2008 – Aug 2026 |
| Garfield O-8-11598 | TCS Petroleum Co., LLC only | Callahan County Regular | Callahan | 3 | 14.5K | 0 | Jan 2008 – Aug 2026 |
| McAllen Fieldwide Unit G-4-39167 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 14.4K | 1.59M | by Jan 1993 – Jan 2023 |
| Guerra, A. E. G-4-193812 | Hilcorp Energy Company only | McAllen Ranch (Guerra) | Hidalgo | 1 | 14.4K | 781K | Feb 2003 – Nov 2011 |
| Beaurline, A. W. G-4-168937 | Shell Western E&P only | McAllen Ranch (Vicksburg S, E.) | Hidalgo | 1 | 14.3K | 263K | Jun 1998 – Jul 2001 |
| Guerra, A. E. G-4-289899 | Hilcorp Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 14.3K | 167K | Dec 2016 – Aug 2026 |
| Guerra, A. E. G-4-190032 | Hilcorp Energy Company only | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 14.1K | 724K | Jun 2002 – Dec 2013 |
| Shirley, Jewell R. O-8-381 | Sweet Texas T Energy LLC only | Callahan County Regular | Callahan | 15 | 14.1K | 0 | May 1995 – Sep 2017 |
| Guerra, A.E. G-4-164014 | Chevron U. S. A. Inc. only | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 14K | 1.43M | Jun 1997 – Nov 1997 |
| Guerra, A. E. G-4-177277 | Chevron U. S. A. Inc. only | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 14K | 707K | May 2000 – Oct 2001 |
| McAllen Fieldwide Unit G-4-163701 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 14K | 2.43M | Sep 1996 – Aug 2026 |
| Calloway, A. B. G-13-95278 | Riverbirch Resources, LLC only | Ken-Rich (Conglomerate 5100) | Jack | 1 | 13.8K | 527K | by Jan 1993 – Aug 2026 |
| McAllen, A.A. G-4-122546 | Merit Energy Company only | McAllen Ranch (Vksbg P-V,s Cons) | Hidalgo | 1 | 13.7K | 804K | by Jan 1993 – Aug 2026 |
| McAllen, A. A. "B" G-4-266994 | Merit Energy Company only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 13.6K | 693K | Feb 2012 – Aug 2026 |
| McAllen Fieldwide Unit G-4-163493 | Fina Oil & Chemical Company only | McAllen, West (Card) | Hidalgo | 1 | 13.6K | 1.85M | Mar 1996 – Dec 1998 |
| Woods Christian G-4-183801 | OXY USA Inc. only | McAllen Ranch (Vicksburg N) | Hidalgo | 1 | 13.4K | 266K | May 2001 – Oct 2006 |
| Ramsey, Cal O-8-445 | M2 Squared Operating, LLC only | Callahan County Regular | Callahan | 15 | 13.4K | 115 | by Jan 1993 – Aug 2026 |
| Morrissett "A" O-8-24827 | Sojourner Drilling Corporation only | Callahan County Regular | Callahan | 2 | 13.4K | 131 | by Jan 1993 – Dec 2023 |
| Pharr Fieldwide Unit G-4-257976 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 13.3K | 1.09M | May 2010 – Aug 2026 |
| Purcell, Lawrence "A" O-8-18231 | Interstate Explorations LLC only | Callahan County Regular | Callahan | 4 | 13.3K | 68.3K | by Jan 1993 – May 2021 |
| Arco Call & Jones O-3-26225 | HD Operating Co, LLC only | Newton (Deep Wilcox) | Newton | 1 | 13.2K | 175K | Oct 2012 – Jan 2015 |
| Howard 36 O-10-44499 | Callon Petroleum Operating Co only | Spraberry (Trend Area) | Howard | 1 | 13.1K | 87K | May 2013 – Jul 2017 |
| Scott-Barton O-8-9039 | Ruby Operating Company, Inc only | Callahan County Regular | Callahan | 12 | 13.1K | 22 | by Jan 1993 – Apr 2019 |
| Sonoma State 18 G-10-283874 | Callon (Permian) LLC only | Phantom (Wolfcamp) | Reeves | 1 | 13K | 122K | Mar 2013 – Nov 2021 |