| Ramirez, Blas O-4-7946 | Varas Energy Operating Company, only | Lopeno ( Queen City Oil) | Zapata | 1 | 78.4K | 158K | by Jan 1993 – Aug 2026 |
| Ramirez, L. O. A G-4-161952 | Hilcorp Energy Company only | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 23.9K | 11.6M | Nov 1996 – Aug 2026 |
| Ramirez, Julian R., Est. -A- O-4-7194 | Finaly Resources LLC only | Edlasater, W. (Manila) | Zapata | 2 | 11K | 21 | by Jan 1993 – Nov 2000 |
| Ramirez, L. O. A G-4-164991 | Hilcorp Energy Company only | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 10.4K | 5.1M | Aug 1997 – Aug 2026 |
| Ramirez, Josefa, Etal O-4-6061 | Varas Energy Operating Company, only | Lopeno ( Queen City Oil) | Zapata | 2 | 10.1K | 30K | by Jan 1993 – Aug 2026 |
| Ramirez, Abel G-4-162442 | Hilcorp Energy Company only | Flores, W. (Perdido) | Zapata | 1 | 9.11K | 5.91M | Mar 1997 – Jun 2021 |
| Ramirez, J. Est. G-4-169060 | Vantage Operating II, LLC only | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 8.72K | 2.9M | Mar 1998 – Sep 2024 |
| Ramirez, Julian R., Est. O-4-7076 | Finaly Resources LLC only | Edlasater, W. (Manila) | Zapata | 1 | 8.12K | 32 | by Jan 1993 – Sep 2003 |
| Ramirez "B" G-4-246232 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 7.05K | 4.79M | Sep 2008 – Aug 2026 |
| Flores-Caliche Ranch G-4-162553 | Varas Energy Operating Company, only | Ramirez (Wilcox 8100) | Zapata | 1 | 6.9K | 3.39M | Feb 1997 – Dec 2023 |
| Ramirez et al Gas Unit "A" G-4-169505 | Hilcorp Energy Company only | Big Mac (6470) | Zapata | 1 | 5.52K | 1.22M | Jun 1998 – Aug 2026 |
| Martinez-Ramirez Gas Unit G-4-63229 | Hilcorp Energy Company only | Ramireno (Wilcox) | Zapata | 1 | 5.39K | 1.12M | by Jan 1993 – Aug 2026 |
| Ramirez, Abel G-4-164337 | Hilcorp Energy Company only | Flores, W. (Perdido) | Zapata | 1 | 4.69K | 4.08M | Jul 1997 – Aug 2026 |
| Ramirez, Julian R., Est. -A- O-4-7715 | Finaly Resources LLC only | Edlasater, W. (Cole 950) | Zapata | 2 | 3.6K | 21 | by Jan 1993 – Aug 2003 |
| Singer A G-4-163236 | Black Bear Oil Corporation only | Ramirez (Wilcox 8100) | Zapata | 1 | 3.51K | 802K | Apr 1997 – Mar 2005 |
| Ramirez, M. Gas Unit G-4-64507 | Hilcorp Energy Company only | Ramireno (Wilcox) | Zapata | 1 | 3.47K | 1.51M | by Jan 1993 – Mar 2025 |
| Ramirez, J. Est. G-4-169065 | Dominion Expl. & Prod., Inc. only | Bob West, North (LZ-5) | Zapata | 1 | 3.28K | 1.2M | Mar 1998 – Mar 2001 |
| 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 – Aug 2026 |
| Ramirez, R.A. GU G-4-142491 | EOG Resources, Inc. only | J J & J (Wilcox 9000) | Zapata | 1 | 2.87K | 751K | by Jan 1993 – Aug 2011 |
| Ramirez, L. O. G-4-146882 | Hilcorp Energy Company only | Roleta (Wilcox Consolidated) | Zapata | 1 | 2.83K | 4.62M | Oct 1993 – Aug 2026 |
| Ramirez, Abel G-4-196927 | Hilcorp Energy Company only | Flores, W. (Perdido) | Zapata | 1 | 2.74K | 1.8M | Jul 2003 – Aug 2026 |
| Ramirez, J. Est G-4-166763 | Vantage Operating II, LLC only | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 2.39K | 901K | Feb 1998 – Sep 2024 |
| Ramirez G-4-222125 | Hilcorp Energy Company only | Lopeno ( Reklaw B) | Zapata | 1 | 2.32K | 1.32M | Aug 2006 – Oct 2018 |
| Salinas-Ramirez Gas Unit G-4-156453 | Beehive Operating, LLC only | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 2.32K | 2.88M | Aug 1995 – Aug 2024 |
| Ramirez, J. Est. G-4-169069 | Dominion Expl. & Prod., Inc. only | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 2.22K | 837K | Mar 1998 – Jun 2003 |
| Ramirez, L.O. A G-4-164553 | Conocophillips Company only | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 2.13K | 466K | Jan 1997 – Oct 1997 |
| Derly Ramirez G-4-214699 | Hilcorp Energy Company only | Exsun (Lobo Cons.) | Zapata | 1 | 1.88K | 1.67M | Aug 2005 – Aug 2026 |
| Ramirez G-4-218456 | Hilcorp Energy Company only | Lopeno ( Reklaw B) | Zapata | 1 | 1.85K | 1.38M | Apr 2006 – Jun 2016 |
| Ramirez, L.O. A G-4-161597 | Hilcorp Energy Company only | Roleta (Wilcox Consolidated) | Zapata | 1 | 1.84K | 968K | Dec 1996 – Aug 2026 |
| RMT G-4-179524 | Hilcorp Energy Company only | Ramirez (Lobo) | Zapata | 1 | 1.82K | 1.84M | Sep 2000 – Aug 2002 |
| Ramirez, J. Estate G-4-166990 | Dominion Expl. & Prod., Inc. only | Bob West, North (LZ-5) | Zapata | 1 | 1.82K | 583K | Feb 1998 – May 2001 |
| Ramirez, L. O. A G-4-170414 | Hilcorp Energy Company only | Roleta (7483) | Zapata | 1 | 1.75K | 3.92M | Aug 1998 – Aug 2026 |
| Ramirez, Maria V. G-4-191415 | Beehive Operating, LLC only | Bob West, North (LZ-5) | Zapata | 1 | 1.61K | 1.43M | May 2002 – Aug 2026 |
| Ramirez, Abel G-4-170260 | Hilcorp Energy Company only | Flores, W. (Perdido) | Zapata | 1 | 1.31K | 1.66M | Sep 1998 – Aug 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 – Aug 2026 |
| Ramirez, A G-4-233162 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1.23K | 1.55M | Aug 2007 – Aug 2026 |
| Ramirez, Maria V. G-4-193191 | Beehive Operating, LLC only | Bob West, North (LZ-5) | Zapata | 1 | 1.03K | 953K | Jun 2002 – Aug 2026 |
| Ramirez, J. Est. G-4-166051 | Dominion Expl. & Prod., Inc. only | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 1K | 359K | Feb 1998 – Aug 2003 |
| Ramirez, Maria V. G-4-164862 | El Paso Production Oil & Gas Co. only | Bob West, Northwest (L-12-18) | Zapata | 1 | 931 | 257K | Jun 1997 – May 2002 |
| Ramirez "A" G-4-156997 | Transtexas Gas Corporation only | Bob West (L-12, 13, 14, 15) | Zapata | 1 | 918 | 272K | Nov 1995 – Apr 2000 |
| Ramirez Mineral Trust A G-4-184435 | Hilcorp Energy Company only | Flores, W. (Perdido) | Zapata | 1 | 916 | 671K | May 2001 – Aug 2026 |
| Ramirez, R. G-4-165895 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 879 | 728K | Nov 1997 – Aug 2026 |
| Ramirez, Maria V. G-4-164018 | Beehive Operating, LLC only | Bob West (L-1-4) | Zapata | 1 | 832 | 374K | Aug 1997 – Sep 2024 |
| Ramirez, L.O. G-4-119002 | Hilcorp Energy Company only | Roleta (Wilcox Consolidated) | Zapata | 1 | 818 | 582K | by Jan 1993 – Aug 2026 |
| Vielmann-Ramirez "A" G-4-235728 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 699 | 985K | Oct 2007 – Aug 2026 |
| Ramirez, Abel G-4-222160 | Hilcorp Energy Company only | Flores, W. (Perdido) | Zapata | 1 | 673 | 771K | Jul 2006 – Aug 2026 |
| Ramirez, Jose Est. E G-4-199820 | Vantage Operating II, LLC only | Lopeno ( Reklaw B) | Zapata | 1 | 647 | 611K | Dec 2003 – Sep 2024 |
| Martinez-Ramirez Gas Unit G-4-223505 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 638 | 1.87M | Mar 2006 – Aug 2026 |
| Flores-Calishe Ranch G-4-225656 | Varas Energy Operating Company, only | Ramirez (Wilcox 8100) | Zapata | 1 | 624 | 550K | Feb 2007 – Jul 2023 |
| Ramirez, Jose Est. E G-4-196865 | Vantage Operating II, LLC only | Lopeno ( Reklaw B) | Zapata | 1 | 608 | 424K | Sep 2003 – Sep 2024 |