| Ramirez Dim O-1-15985 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 4 | 1.29M | 1.72M | Nov 2012 – Apr 2026 |
| Ramirez-Kunde Usw A O-2-12964 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 402K | 1.1M | May 2024 – Apr 2026 |
| Ramirez Unit A O-2-9829 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 359K | 981K | Feb 2011 – Apr 2026 |
| Ramirez-Kunde Usw C O-2-12966 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 309K | 820K | May 2024 – Apr 2026 |
| Ramirez-Kunde Usw B O-2-12965 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 277K | 1.05M | May 2024 – Apr 2026 |
| Ramirez-Kunde Usw D O-2-12953 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 255K | 905K | May 2024 – Apr 2026 |
| Ramirez O-3-20633 | Great West Energy & Expl., Inc. only | Giddings (Austin Chalk-3) | Lee | 1 | 175K | 204K | Jan 1993 – Jul 2005 |
| Ramirez, Blas O-4-7946 | Varas Energy Operating Company, only | Lopeno ( Queen City Oil) | Zapata | 1 | 78.4K | 158K | Jan 1993 – May 2020 |
| Ramirez -B- O-2-6514 | Petra Oleum Corp. only | Tynan, East (Frio) | Bee | 1 | 57.8K | 8.28K | Jan 1993 – Jun 2001 |
| Ramirez, Jose O-4-11577 | Three C Exploration, LLC only | El Mesquite (5200) | Duval | 3 | 51.1K | 548K | Jan 1993 – Dec 2023 |
| Ramirez, Gilberto O-4-10553 | Vision Oil and Gas LLC only | Rancho Viejo (Hockley 4800) | Jim Hogg | 2 | 44.3K | 14.7K | Jan 1993 – Oct 2004 |
| Ramirez, M. & M. Gas Unit G-4-164806 | Arete Operating Company III, LLC only | Barrera (Lobo 6) | Webb | 1 | 41.7K | 5.2M | Sep 1997 – Apr 2026 |
| Ramirez -B- O-4-9729 | Three C Exploration, LLC only | El Mesquite (3000) | Duval | 2 | 36.3K | 104K | Jan 1993 – Apr 2024 |
| Ramirez, J. A. O-4-11497 | Home Petroleum Corp. only | El Mesquite (5200) | Duval | 3 | 32.2K | 245K | Jan 1993 – Feb 2026 |
| Ramirez-Malakoff Unit G-4-154454 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 30.5K | 3.8M | May 1995 – Apr 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 – Apr 2026 |
| Ramirez, M.&m. Gas Unit G-4-154059 | Arete Operating Company III, LLC only | Leyendecker (6900) | Webb | 1 | 22.3K | 2.58M | Feb 1995 – Sep 2014 |
| Ramirez, C.H. Minerals, Ltd B G-4-232488 | Lucky Lad Energy, LLC only | Hereford (Lobo) | Webb | 1 | 21.4K | 7.06M | Oct 2007 – Feb 2026 |
| Ramirez, J.E. G-4-97093 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 18.7K | 4.57M | Feb 1993 – Apr 2026 |
| Ramirez Gas Unit G-4-236272 | Newfield Exploration Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 18.5K | 1.61M | Dec 2007 – Nov 2009 |
| Ramirez, J.E. G-4-154814 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 16.7K | 2.1M | Jul 1995 – Apr 2026 |
| Ramirez, J.E. G-4-203854 | Columbus Energy, LLC only | Hereford (Lobo) | Webb | 1 | 15.2K | 2.67M | Aug 2004 – Apr 2026 |
| Ramirez,j.e. G-4-69290 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 12.2K | 3.63M | Jan 1993 – Aug 2025 |
| Ramirez, M. & M. Gas Unit G-4-150657 | Arete Operating Company III, LLC only | Barrera (Lobo) | Webb | 1 | 12K | 2.69M | May 1994 – Apr 2026 |
| Ramirez, Julian R., Est. -A- O-4-7194 | Finaly Resources LLC only | Edlasater, W. (Manila) | Zapata | 2 | 11K | 21 | 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 | 5.09M | Aug 1997 – Apr 2026 |
| Ramirez, Josefa, Etal O-4-6061 | Varas Energy Operating Company, only | Lopeno ( Queen City Oil) | Zapata | 2 | 10.1K | 29.7K | Jan 1993 – Nov 2009 |
| Barrera-Ramirez Gas Unit No. 1 G-4-131200 | Laredo Energy Operating, LLC only | Barrera (Lobo 6) | Webb | 1 | 9.32K | 4.26M | Jan 1993 – Oct 2010 |
| Ramirez, Abel G-4-162442 | Hilcorp Energy Company only | Flores, W. (Perdido) | Zapata | 1 | 9.11K | 5.91M | Mar 1997 – Jun 2021 |
| Valdez-Ramirez O-4-11546 | Prime Operating Company only | El Mesquite (5200) | Duval | 1 | 8.93K | 211K | Jan 1993 – Jan 2001 |
| Ramirez, G. & F. Gas Unit G-4-151638 | Arete Operating Company III, LLC only | Fausto (Lobo) | Webb | 1 | 8.87K | 1.23M | Oct 1994 – Apr 2026 |
| 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 | Jan 1993 – Sep 2003 |
| Ramirez, M. & M. Gas Unit G-4-172437 | Arete Operating Company III, LLC only | Barrera (Lobo 6) | Webb | 1 | 7.52K | 1.89M | Jan 1999 – Apr 2026 |
| Tate-Ramirez Unit A G-1-278133 | Trinity Operating (Usg), LLC only | Hawkville (Eagleford Shale) | Webb | 1 | 7.25K | 3.64M | Mar 2015 – Apr 2026 |
| G. & F. Ramirez Gas Unit G-4-174288 | Arete Operating Company III, LLC only | Vato (Lobo) | Webb | 1 | 7.12K | 1.3M | Jul 1999 – Apr 2026 |
| Ramirez, M. & M. Gas Unit G-4-146885 | Arete Operating Company III, LLC only | Barrera (Lobo 6) | Webb | 1 | 7.1K | 1.8M | Sep 1993 – Dec 2015 |
| Ramirez "B" G-4-246232 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 7.05K | 4.77M | Sep 2008 – Apr 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, C. H. Minerals, Ltd B G-4-261892 | Lucky Lad Energy, LLC only | Hereford (Lobo) | Webb | 1 | 6.71K | 2.81M | Jun 2011 – Feb 2026 |
| C.H. Ramirez Minerals Ltd. G-4-247329 | Lucky Lad Energy, LLC only | Barrera (Lobo 6) | Webb | 1 | 6.56K | 1.57M | Nov 2008 – Feb 2026 |
| Ramirez O-4-12298 | Texas Southern Petroleum Corp. only | Ramirez (Queen City) | Jim Hogg | 1 | 5.73K | 56.8K | Nov 1993 – Apr 2004 |
| Ramirez et al Gas Unit "A" G-4-169505 | Hilcorp Energy Company only | Big Mac (6470) | Zapata | 1 | 5.52K | 1.21M | Jun 1998 – Apr 2026 |
| Martinez-Ramirez Gas Unit G-4-63229 | Hilcorp Energy Company only | Ramireno (Wilcox) | Zapata | 1 | 5.37K | 1.12M | Jan 1993 – Apr 2026 |
| Tate-Ramirez B G-1-285455 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 5.11K | 6.74M | Jul 2018 – Apr 2026 |
| Tate-Ramirez Unit A G-1-278131 | Trinity Operating (Usg), LLC only | Hawkville (Eagleford Shale) | Webb | 1 | 5.09K | 3.33M | Mar 2015 – Apr 2026 |
| Ramirez Gas Unit G-4-243682 | Newfield Exploration Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 4.87K | 147K | Dec 2008 – Oct 2009 |
| Valdez-Ramirez G-4-182820 | Home Petroleum Corp. only | El Mesquite (5200) | Duval | 1 | 4.69K | 96.9K | Feb 2001 – Mar 2026 |
| Ramirez, Abel G-4-164337 | Hilcorp Energy Company only | Flores, W. (Perdido) | Zapata | 1 | 4.69K | 4.08M | Jul 1997 – Apr 2026 |
| C.H. Ramirez Minerals, Ltd. G-4-215181 | Lucky Lad Energy, LLC only | Hereford (Lobo) | Webb | 1 | 4.51K | 981K | Dec 2005 – Feb 2026 |