| Ramirez "B" G-4-246232 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 7.05K | 4.77M | Sep 2008 – Apr 2026 |
| Cuellar, Maria G-4-144501 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 5.12K | 11.7M | Feb 1993 – Apr 2026 |
| Ramon G-4-219355 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 4.3K | 666K | Apr 2006 – Apr 2026 |
| Juana G-4-161398 | Varas Energy Operating Company, only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 3.79K | 8.25M | Oct 1996 – Mar 2025 |
| Ncoc Fee Unit G-4-228712 | Merit Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 3.54K | 1.84M | May 2007 – Apr 2026 |
| Francisco Ramirez et al Gas Unit G-4-165858 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 3.12K | 5.05M | Jul 1997 – Apr 2026 |
| Delozeis "A" G-4-247747 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 3.04K | 666K | Jan 2009 – Apr 2026 |
| Cuellar, Maria G-4-154546 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 2.99K | 2.32M | May 1995 – Apr 2026 |
| Martinez, Felipe et Al G-4-166726 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 2.92K | 3.38M | Oct 1997 – Nov 2020 |
| Cuellar Trust "a" GU G-4-161602 | EOG Resources, Inc. only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 2.13K | 1.72M | Dec 1996 – Aug 2000 |
| Trevino, A. G-4-160212 | Varas Energy Operating Company, only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 2.03K | 7.35M | Sep 1996 – Mar 2025 |
| Martinez, Felipe et Al G-4-163972 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.98K | 4.29M | Jul 1997 – May 2017 |
| Trevino G-4-201691 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.75K | 2.04M | Jan 2004 – May 2019 |
| Martin, J. C. et Al G-4-154549 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.55K | 3.83M | Jul 1995 – Apr 2026 |
| Trevino G-4-166976 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.46K | 3.51M | Feb 1998 – Apr 2026 |
| Benavides, B. R. G-4-154434 | Conocophillips Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.45K | 233K | May 1995 – Nov 1998 |
| Cuellar Heirs G-4-208689 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.43K | 1.4M | Feb 2005 – Apr 2026 |
| Martinez, Adela M. et Al G-4-168553 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.41K | 4.38M | Mar 1998 – Apr 2026 |
| Trevino G-4-83906 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.31K | 2.75M | Jan 1993 – Apr 2026 |
| Alonzo Ramirez et al Gas Unit G-4-171526 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.24K | 2M | Sep 1998 – Apr 2026 |
| Las Presas-Garcia "A" G-4-244648 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.24K | 977K | Jan 2009 – Apr 2026 |
| Ramirez, A G-4-233162 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.23K | 1.54M | Aug 2007 – Apr 2026 |
| Juana G-4-162651 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.06K | 1.43M | Jan 1997 – May 2023 |
| Martinez, Felipe et Al G-4-169015 | Chevron U. S. A. Inc. only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 898 | 1.29M | May 1998 – Jun 2009 |
| Delozeis "A" G-4-248521 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 884 | 636K | May 2009 – Feb 2021 |
| Ramirez, R. G-4-165895 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 879 | 725K | Nov 1997 – Apr 2026 |
| Martinez-Uribe G-4-221273 | Bordertown Energy Resources, LLC only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 865 | 528K | May 2006 – Apr 2026 |
| Las Presas-Garcia "A" G-4-234647 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 820 | 387K | Aug 2007 – Apr 2026 |
| Ramon, Belia et Al G-4-173781 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 814 | 1.14M | Apr 1999 – Apr 2026 |
| Cuellar, Maria G-4-169791 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 791 | 2.16M | Jul 1998 – Apr 2026 |
| Martinez, Felipe et Al G-4-167801 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 774 | 2.97M | Apr 1998 – May 2020 |
| Trevino G-4-119104 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 737 | 3.72M | Jan 1993 – Apr 2026 |
| Trevino G-4-169053 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 706 | 2.79M | Jun 1998 – Apr 2026 |
| Vielmann-Ramirez "A" G-4-235728 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 699 | 978K | Oct 2007 – Apr 2026 |
| Cuellar, Fernando "A" G-4-234650 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 666 | 1.99M | Oct 2007 – Apr 2026 |
| Trevino G-4-110516 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 663 | 841K | Jan 1993 – Apr 2026 |
| Cassin, Edward A G-4-226417 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 658 | 938K | Nov 2006 – Apr 2026 |
| Martinez-Ramirez Gas Unit G-4-223505 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 638 | 1.87M | Mar 2006 – Apr 2026 |
| Trevino G-4-144516 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 586 | 5.31M | Feb 1993 – Apr 2026 |
| Cuellar, Maria G-4-174092 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 515 | 851K | Jul 1999 – Apr 2026 |
| Cuellar, Fernando "B" G-4-238076 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 508 | 1.77M | Mar 2008 – Apr 2026 |
| Blanca Aurora Salinas "A" G-4-237903 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 505 | 60.7K | Feb 2008 – Apr 2026 |
| Lopez Mineral Trust G-4-247490 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 479 | 1.25M | Feb 2009 – Apr 2026 |
| Trevino G-4-107935 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 432 | 4.27M | Jan 1993 – Apr 2026 |
| Juana NCT G-4-255454 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 417 | 572K | Feb 2010 – Apr 2026 |
| Trevino G-4-170358 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 406 | 3.36M | Sep 1998 – Apr 2026 |
| Ramon, Belia et Al G-4-172954 | Chevron U. S. A. Inc. only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 399 | 334K | Jan 1999 – Apr 2008 |
| Juana NCT G-4-169257 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 395 | 637K | Jun 1998 – Mar 2019 |
| Cuellar, Maria G-4-172083 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 361 | 1.81M | Nov 1998 – Apr 2026 |
| Trevino G-4-210396 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 342 | 581K | Apr 2005 – Apr 2026 |