| Kleberg, R.j.jr.tr.stillman G-4-269049 | EOG Resources, Inc. | Tordilla (Deep Cons.) | 1 | 22.5K | 740K | Apr 2019 – Jun 2025 |
| Kleberg, R J Jr TR Stillman G-4-261761 | EOG Resources, Inc. | Tordilla (Deep Cons.) | 1 | 22.2K | 2.91M | Feb 2016 – Jun 2024 |
| Willamar West Miocene Unit O-4-11548 | Citation Oil & Gas Corp. | Willamar, West (Miocene 5100) | 4 | 21.6K | 73.5K | by Jan 1993 – Sep 1996 |
| Yturria Cattle Co. O-4-12525 | Maynard Oil Co. | La Sara (No. 17 Sand) | 1 | 21.5K | 64.4K | Feb 1996 – Dec 2000 |
| Yturria RR O-4-13554 | Texas Oil and Gas Operating, LLC | La Sara (3460 Sand) | 2 | 21.2K | 0 | Mar 2009 – Oct 2016 |
| Yturria Cattle Company O-4-11991 | Texas Oil and Gas Operating, LLC | La Sara (No. 17 Sand) | 2 | 20.8K | 2 | Jun 1993 – Nov 2007 |
| Henderson, J.W. et al Gas Unit G-4-187544 | Suemaur Expl. & Prod., LLC | La Sal Vieja (Deep) | 1 | 20.7K | 4.53M | Dec 2001 – Dec 2010 |
| Yturria O-4-13723 | Texas Oil and Gas Operating, LLC | La Sara N.E. (6070) | 1 | 20.7K | 5.78K | Apr 2012 – Dec 2014 |
| Wrightsman, et al GU G-4-256329 | Dewbre Petroleum Corporation | Chile Vieja (Frio) | 1 | 20K | 974K | May 2010 – Aug 2026 |
| Yturria, H. G-4-198870 | Apollo Petro Fuels LLC | Raymondville (Consolidated) | 1 | 19.5K | 3.62M | Dec 2003 – May 2023 |
| Yturria Cattle Co. O-4-5734 | Maynard Oil Co. | La Sara (No. 22 Sd.) | 1 | 19.2K | 14 | by Jan 1993 – Apr 1994 |
| Yturria O-4-13449 | Texas Oil and Gas Operating, LLC | La Sara (No. 24 Sd.) | 1 | 19.1K | 11.8K | Dec 2006 – Oct 2025 |
| Lefner, et al GU G-4-227188 | Suemaur Expl. & Prod., LLC | Chile Vieja (Frio) | 1 | 19.1K | 886K | Jan 2007 – Jun 2016 |
| Yturria, Frank D. G-4-199970 | Cody Energy LLC | Raymondville (Consolidated) | 1 | 19K | 1.2M | Oct 2003 – Apr 2010 |
| Henderson, J.W. et al Gas Unit G-4-216710 | Dewbre Petroleum Corporation | La Sal Vieja (Deep) | 1 | 18.9K | 1.8M | Dec 2005 – Aug 2026 |
| La Sal Vieja Gas Unit G-4-173711 | Proline Energy Resources Inc | La Sal Vieja (Frio Cons) | 1 | 18.7K | 2.24M | Jul 1999 – Nov 2014 |
| C.W. Perkins Oil Unit O-4-12166 | MW Petroleum Corporation | La Sal Vieja | 1 | 17.8K | 30.4K | Feb 1993 – Mar 1996 |
| Clarence O'Berg Gas Unit "A" G-4-153575 | Wagner Oil Company | La Sal Vieja (8 and 9 Frio) | 1 | 17.3K | 1.16M | Feb 1995 – May 2001 |
| SNP, et al GU G-4-254428 | Dewbre Petroleum Corporation | Chile Vieja (Frio) | 1 | 16.7K | 1.01M | Jan 2010 – Aug 2022 |
| Yturria G-4-220500 | Blakenergy Operating, LLC | La Sara (3460 Sand) | 1 | 16.6K | 39.5K | May 2006 – Feb 2009 |
| Yturria G-4-243876 | La Sara Operating Company, LLC | La Sara, E. (7940) | 1 | 16.4K | 359K | Sep 2007 – Feb 2013 |
| Yturria, F. G-4-183175 | Cody Energy LLC | Raymondville (Consolidated) | 1 | 16.3K | 99.7K | Mar 2001 – Aug 2006 |
| Stone Gas Unit G-4-43529 | Apache Corporation | La Sal Vieja (Frio Cons) | 1 | 16.3K | 363K | by Jan 1993 – Nov 1994 |
| Yturria Cattle Co. O-4-10027 | Texas Oil and Gas Operating, LLC | La Sara (5300) | 3 | 16.3K | 16 | by Jan 1993 – Apr 2025 |
| Thomas Unit G-4-223510 | Dewbre Petroleum Corporation | Riggan (F-20) | 1 | 15.9K | 859K | Sep 2006 – Oct 2020 |
| Palousek et al GU G-4-245194 | Suemaur Expl. & Prod., LLC | Chile Vieja (Frio) | 1 | 15.4K | 482K | Aug 2008 – Aug 2016 |
| Kirsch, et al GU G-4-216288 | Suemaur Expl. & Prod., LLC | La Sal Vieja (Deep) | 1 | 15.3K | 1.23M | Feb 2006 – Mar 2017 |
| Yturria, Frank D. G-4-183312 | Cody Energy LLC | Raymondville (Consolidated) | 1 | 15.3K | 1.47M | Apr 2001 – Dec 2013 |
| Yturria L&C Co. NCT-2 O-4-10192 | Cody Energy LLC | Raymondville (LM-19) | 2 | 14.4K | 64.7K | by Jan 1993 – Dec 2001 |
| Yturria O-4-13648 | Texas Oil and Gas Operating, LLC | La Sara (No. 17 Sand) | 1 | 14.3K | 7.2K | Feb 2011 – Jan 2013 |
| Yturria Cattle Company O-4-11600 | Maynard Oil Co. | La Sara (No. 8 Sand) | 1 | 14.2K | 67 | by Jan 1993 – Mar 1997 |
| Sauz Ranch Mulatos Pasture O-4-12550 | Chestnut Explor. and Prod., Inc. | Willamar, West (Miocene 6700) | 3 | 14.2K | 14.1K | Mar 1996 – May 2017 |
| Willamar West Miocene Unit O-4-12242 | Citation Oil & Gas Corp. | Willamar, West (Miocene 6350) | 2 | 14K | 35.9K | Aug 1993 – Feb 2001 |
| Yturria, Frank D. G-4-200068 | Cody Energy LLC | Raymondville (Consolidated) | 1 | 14K | 1.24M | Jan 2004 – Feb 2010 |
| Yturria O-4-13436 | Texas Oil and Gas Operating, LLC | La Sara, NW. (3000) | 2 | 13.9K | 955 | Apr 2007 – Jul 2010 |
| Kleberg, R J Jr TR Stillman G-4-238515 | EOG Resources, Inc. | Tordilla (Deep Cons.) | 1 | 13.7K | 2.07M | Jun 2008 – Oct 2020 |
| Yturria, H. G-4-206465 | Apollo Petro Fuels LLC | Raymondville (Consolidated) | 1 | 13.1K | 2.41M | Sep 2004 – May 2023 |
| Yturria O-4-13556 | Texas Oil and Gas Operating, LLC | La Sara, NE. (7550) | 2 | 13K | 0 | Mar 2009 – Oct 2025 |
| Geis, H. G-4-171974 | Wagner Oil Company | La Sal Vieja (6 8774-9165) | 1 | 12.9K | 840K | Jan 1999 – Aug 2026 |
| Yturria Cattle Co. O-4-10068 | Yturria, Frank D. | La Sara (4650 Sand) | 1 | 12.7K | 138 | by Jan 1993 – Jun 2004 |
| Cox, B. F. G-4-59866 | Wagner Oil Company | La Sal Vieja (Frio Cons) | 1 | 12.5K | 527K | by Jan 1993 – Sep 2009 |
| Hargill Gas Unit 'A' G-4-266642 | Dallas Petroleum Group, LLC | Hargill (Frio Cons.) | 1 | 12.3K | 1.29M | Nov 2011 – Aug 2026 |
| Kleberg, R J Jr TR Stillman G-4-197520 | EOG Resources, Inc. | Tordilla (Deep Cons.) | 1 | 12.1K | 1.1M | Aug 2003 – Dec 2024 |
| Sauz Ranch Mulatos Pasture O-4-12649 | Chestnut Explor. and Prod., Inc. | Willamar,west (Miocene 6050) | 1 | 11.3K | 11K | Dec 1996 – Aug 2009 |
| Yturria G-4-210296 | Blakenergy Operating, LLC | La Sara, E. (7890) | 1 | 10.8K | 491K | Dec 2004 – Feb 2009 |
| Yturria L. & C. Co. NCT-2 O-4-12584 | Cody Energy LLC | Raymondville (a-10, Lower) | 1 | 10.8K | 9.56K | Jun 1996 – Aug 2000 |
| Yturria G-4-239697 | Reveille Resources (Texas), Inc. | Raymondville (Consolidated) | 1 | 10.6K | 97K | Oct 2008 – Jan 2010 |
| Yturria Cattle Co. O-4-10695 | Texas Oil and Gas Operating, LLC | La Sara (No. 12 Sand) | 1 | 10.6K | 16 | by Jan 1993 – Oct 2002 |
| Yturria, H. G-4-202135 | Apollo Petro Fuels LLC | Raymondville (Consolidated) | 1 | 10.6K | 1.48M | Mar 2004 – May 2023 |
| Hanks, J.S. O-4-12212 | Apache Corporation | La Sal Vieja | 1 | 10.6K | 106K | May 1993 – Jun 1996 |