| Vela-Lopeno Minerals Ltd G-4-193147 | Vantage Operating II, LLC | Lopeno ( Reklaw B) | Zapata | 1 | 11.3K | 3.88M | Aug 2002 – May 2026 |
| Ramirez, J. Est. G-4-169060 | Vantage Operating II, LLC | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 8.72K | 2.9M | Mar 1998 – Sep 2024 |
| Felicidad G-4-167767 | Vantage Operating II, LLC | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 4.07K | 3.08M | Nov 1997 – Apr 2025 |
| Ramirez, J. Est G-4-166763 | Vantage Operating II, LLC | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 2.39K | 901K | Feb 1998 – Sep 2024 |
| Baltazar Ramos G-4-220127 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 1.64K | 554K | Apr 2006 – May 2026 |
| Ramirez, Jose Est. E G-4-199820 | Vantage Operating II, LLC | Lopeno ( Reklaw B) | Zapata | 1 | 647 | 611K | Dec 2003 – Sep 2024 |
| Ramirez, Jose Est. E G-4-196865 | Vantage Operating II, LLC | Lopeno ( Reklaw B) | Zapata | 1 | 608 | 424K | Sep 2003 – Sep 2024 |
| Guerra, Raul G-4-179323 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 271 | 6.94M | May 2000 – May 2026 |
| Ramirez, Josefa G-4-180399 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 251 | 1.74M | Sep 2000 – Dec 2025 |
| Ramirez, M. R. G-4-179529 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 233 | 2.89M | Jul 2000 – May 2024 |
| Ramirez, M. R. G-4-190602 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 217 | 2.08M | Oct 2001 – Apr 2007 |
| Guerra, Raul G-4-212790 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 199 | 1.48M | May 2005 – May 2026 |
| Ramos, Felix G-4-198103 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 193 | 551K | Sep 2003 – Apr 2014 |
| Guerra, Raul G-4-186513 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 192 | 3.2M | Sep 2001 – May 2026 |
| Guerra, Raul G-4-249617 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 191 | 246K | Dec 2008 – Apr 2026 |
| Guerra, Raul G-4-177815 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 157 | 4.64M | Jun 2000 – May 2026 |
| Guerra, Raul G-4-188114 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 148 | 2.64M | Jun 2001 – May 2026 |
| Guerra, Raul G-4-127855 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 130 | 1.66M | by Jan 1993 – May 2026 |
| Guerra, Avelina G-4-163335 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 116 | 7.3M | Apr 1997 – May 2026 |
| Ramos, Felix G-4-153559 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 116 | 4.44M | Feb 1995 – Sep 2024 |
| Guerra, Raul G-4-176543 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 110 | 2.66M | Dec 1999 – May 2026 |
| Ramirez, M. R. G-4-179188 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 105 | 2.5M | Jul 2000 – Jul 2024 |
| Munoz, Fernando G-4-190707 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 104 | 2.96M | Jun 2002 – May 2026 |
| Guerra, Avelino G-4-179421 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 102 | 1.14M | Sep 2000 – Jun 2009 |
| Ramirez, M.R. G-4-129645 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 102 | 3.21M | by Jan 1993 – Jul 2024 |
| Ramos, Baltazar G-4-191850 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 101 | 2.64M | Sep 2002 – May 2026 |
| Fernando Munoz G. U. G-4-161962 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 88 | 6.18M | Nov 1996 – May 2026 |
| Guerra, Raul G-4-193940 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 87 | 1.25M | Dec 2002 – May 2026 |
| Ramos, Felix G-4-164394 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 63 | 4.05M | Sep 1997 – May 2026 |
| Guerra, Raul G-4-178068 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 63 | 2.27M | Apr 2000 – May 2026 |
| Ramos, Baltazar G-4-179209 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 61 | 6.25M | May 2000 – May 2026 |
| Ramos, Felix G-4-219772 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 61 | 2.5M | May 2006 – May 2026 |
| Guerra, Raul G-4-178277 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 53 | 580K | Feb 2000 – Mar 2020 |
| Munoz, Fernando G-4-186508 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 49 | 4.38M | Aug 2001 – May 2026 |
| Ramirez, Josefa G-4-166022 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 49 | 2.09M | Dec 1997 – May 2022 |
| Guerra, Avelino G-4-161358 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 47 | 9.32M | Oct 1996 – May 2026 |
| Guerra, Raul G-4-161346 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 38 | 8.54M | Dec 1996 – May 2026 |
| Fernando Munoz Gas Unit G-4-179817 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 30 | 3.49M | Jul 2000 – May 2026 |
| Ramirez, Federico G-4-127850 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 29 | 8.4M | by Jan 1993 – May 2026 |
| Munoz, Fernando G-4-167483 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 29 | 2.15M | Mar 1998 – Jan 2025 |
| Guerra, Avelino G-4-183916 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 27 | 1.39M | Mar 2001 – May 2026 |
| Guerra, Avelino G-4-117458 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 26 | 1.07M | by Jan 1993 – May 2026 |
| Guerra, Raul G-4-179660 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 26 | 589K | Jun 2000 – Jul 2024 |
| Ramirez, Federico G-4-189841 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 21 | 3.58M | Feb 2002 – May 2026 |
| Ramirez, Federico G-4-187365 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 20 | 5.29M | Oct 2001 – May 2026 |
| Yzaguirre G-4-204756 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 19 | 1.82M | Sep 2004 – May 2026 |
| Fernando Munoz Gas Unit 3 G-4-194552 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 17 | 3.28M | Apr 2003 – May 2026 |
| Ramirez, Blas G-4-93342 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 14 | 2.42M | by Jan 1993 – May 2026 |
| Fernando Munoz Gas Unit G-4-180361 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 13 | 1.68M | May 2001 – Dec 2019 |
| Ramos, Felix G-4-161739 | Vantage Operating II, LLC | Lopeno (Consolidated) | Zapata | 1 | 12 | 1.46M | Feb 1997 – Nov 2013 |