| Yturria, Frank D. G-4-183120 | Cody Energy LLC | Raymondville (F-19) | 1 | 348 | 169K | Feb 2001 – Dec 2001 |
| Yturria, Frank D. et Al G-4-181888 | Cody Energy LLC | Raymondville (F- 8) | 1 | 346 | 56.5K | Oct 2000 – Mar 2001 |
| Yturria Cattle Company O-4-11817 | Maynard Oil Co. | La Sara, NW. (3000) | 2 | 333 | 3 | by Jan 1993 – Mar 1993 |
| Cantu Tract 4 O-4-14096 | Cal-Tex Exploratn & Prod Co LLC | La Sara (4650 Sand) | 1 | 329 | 0 | Sep 2018 – Jun 2019 |
| Yturria, Frank D. et Al G-4-175468 | Cody Energy LLC | Raymondville (F-28) | 1 | 291 | 181K | Dec 1999 – Jun 2000 |
| Bell, S. H. O-4-7987 | Exxon Corp. | Willamar, West | 2 | 286 | 2 | Feb 1993 – Mar 1993 |
| Yturria L & C Co. NCT-2 O-4-13028 | Cody Energy LLC | Raymondville (6750) | 1 | 286 | 451 | May 2001 – May 2001 |
| Corbett, C. M. G-4-81527 | Faulconer, Vernon E., Inc. | La Jara (Frio) | 1 | 241 | 226K | by Jan 1993 – Dec 2013 |
| Yturria, Frank D. G-4-179924 | Cody Energy LLC | Raymondville (F- 5) | 1 | 226 | 43.5K | Jul 2000 – Sep 2000 |
| Lozano, Antonio G-4-206808 | Citation Oil & Gas Corp. | Willamar, West (Miocene 4400) | 1 | 223 | 153K | Dec 2004 – Sep 2006 |
| Yturria Cattle Co G-4-153263 | Durango Resources Corp. | La Sara (No. 24 Sd.) | 1 | 216 | 9.68K | Feb 1995 – May 1995 |
| Raymond, L C G-4-203868 | Citation Oil & Gas Corp. | Willamar, West (Miocene 4350) | 1 | 209 | 47.4K | Aug 2004 – Oct 2004 |
| Yturria, Frank D. et Al G-4-180669 | Cody Energy LLC | Raymondville (F-27) | 1 | 208 | 121K | Jul 2000 – Jan 2001 |
| Yturria L&C Co.nct-2 O-4-13072 | Apollo Petro Fuels LLC | Raymondville (Consolidated) | 4 | 205 | 36.6K | Feb 2002 – Jan 2019 |
| Todd G-4-140873 | Bettis, Boyle & Stovall | La Sara (No. 19 Sand, Upper) | 1 | 205 | 33.6K | by Jan 1993 – Jun 1993 |
| Yturria L&C Co. NCT-2 O-4-11732 | Texaco E & P Inc. | Raymondville (A-13) | 1 | 203 | 3.91K | by Jan 1993 – Apr 1993 |
| Sauz Ranch Mulatos Pasture O-4-13769 | Chestnut Explor. and Prod., Inc. | Willamar, West (Miocene 5300) | 1 | 200 | 748 | Dec 2012 – Jun 2013 |
| Yturria, Frank D. et Al G-4-175774 | Cody Energy LLC | Raymondville (F- 3) | 1 | 198 | 128K | Dec 1999 – May 2000 |
| Kleberg R J Jr TR Stillman G-4-256678 | | Tordilla (Deep Cons.) | 1 | 191 | 515K | Mar 2010 – Nov 2019 |
| Yturria, Fausto Jr et al "A" O-4-13426 | Texas Oil and Gas Operating, LLC | La Sara (7177) | 1 | 186 | 0 | May 2006 – Sep 2006 |
| Stone G-4-187909 | Dewbre Petroleum Corporation | Paso Real (9600) | 1 | 168 | 12.7K | Feb 2002 – Apr 2002 |
| Haynes G-4-111915 | Mitchell Energy Corporation | La Sal Vieja (Frio 10950) | 1 | 156 | 7.45K | by Jan 1993 – Mar 1999 |
| Yturria, Frank D. et Al G-4-181367 | Cody Energy LLC | Raymondville (F-25) | 1 | 155 | 119K | Jul 2000 – Dec 2000 |
| Kleberg, R J Jr TR Stillman G-4-272913 | EOG Resources, Inc. | Tordilla (Shallow Cons.) | 1 | 149 | 410K | Dec 2013 – May 2015 |
| Yturria, Frank D. G-4-182948 | El Paso Production Oil & Gas Co. | Raymondville (13500) | 1 | 147 | 81.2K | Jun 2002 – Dec 2002 |
| Yturria, Frank D. G-4-179820 | Cody Energy LLC | Raymondville (F-33) | 1 | 134 | 18K | Jul 2000 – Oct 2000 |
| Yturria L&C Co. Nct. G-4-123939 | Cody Energy LLC | Raymondville (LM-15) | 1 | 134 | 40.7K | by Jan 1993 – Sep 1995 |
| Yturria Cattle Co. "B" O-4-9846 | Maynard Oil Co. | La Sara (No. 22 Sd.) | 1 | 129 | 3 | by Jan 1993 – Mar 1993 |
| Willamar West Miocene Unit G-4-147578 | Citation Oil & Gas Corp. | Willamar, West (Miocene 6300) | 1 | 123 | 224K | Dec 1993 – Apr 2013 |
| O'Berg, Clarence Gas Unit No. 1 G-4-74850 | Proline Energy Resources Inc | La Sal Vieja (Frio Cons) | 1 | 119 | 59.5K | by Jan 1993 – Jun 1994 |
| Yturria Cattle Co G-4-93740 | Petroleum Management, Inc. | Lacal (Frio C-6) | 1 | 113 | 50.7K | by Jan 1993 – May 1997 |
| Yturria, Frank D. G-4-183690 | Cody Energy LLC | Raymondville (F-33) | 1 | 107 | 40.6K | Feb 2001 – Jul 2001 |
| Yturria, Frank D. G-4-193368 | Cody Energy LLC | Raymondville (Consolidated) | 1 | 98 | 61K | Jan 2003 – Jun 2003 |
| Yturria G-4-227574 | Risco la Sara Operations, LLC | La Sara (4300) | 1 | 89 | 23.8K | Dec 2006 – Mar 2007 |
| Yturria, Frank D. et Al G-4-181889 | Cody Energy LLC | Raymondville (F- 6) | 1 | 83 | 15.8K | Oct 2000 – Mar 2001 |
| Yturria, Frank D. G-4-202190 | Cody Energy LLC | Raymondville (Consolidated) | 1 | 80 | 8.11K | Apr 2004 – Feb 2005 |
| Yturria, H. G-4-223882 | Apollo Petro Fuels LLC | Raymondville (Consolidated) | 1 | 74 | 23.3K | Dec 2006 – Oct 2020 |
| Armendaiz, et Al G-4-152454 | Mueller Engineering Corp. | Arroyo Colorado (B-4) | 1 | 49 | 241K | Dec 1994 – Jan 1999 |
| Yturria, Frank D. G-4-183130 | Cody Energy LLC | Raymondville (F-23) | 1 | 48 | 37.7K | Mar 2001 – Jun 2001 |
| Yturria G-4-261746 | La Sara Operating Company, LLC | Wildcat | 1 | 45 | 50 | Aug 2014 – Aug 2014 |
| Kleberg, R J Jr TR Stillman G-4-264652 | EOG Resources, Inc. | Tordilla (Deep Cons.) | 1 | 44 | 286K | Jul 2011 – Jul 2018 |
| Ford, J. S. O-4-11071 | Citation Oil & Gas Corp. | Willamar (6350) | 1 | 44 | 1.65K | by Jan 1993 – Feb 1995 |
| Armendaiz, et Al G-4-153957 | Mueller Engineering Corp. | Arroyo Colorado (B-4) | 1 | 43 | 275K | Mar 1995 – Sep 1999 |
| Armendaiz "B" G-4-159491 | Mueller Engineering Corp. | Arroyo Colorado (B-7) | 1 | 40 | 74.6K | Jun 1996 – Dec 1998 |
| Montalvo, Salvador O-4-7183 | API Operating Co. | Willamar | 1 | 38 | 110 | by Jan 1993 – Feb 1999 |
| Yturria G-4-228586 | Sue-Ann Operating, L.C. | Raymondville (Consolidated) | 1 | 38 | 18.2K | Apr 2007 – Oct 2007 |
| Willamar West Miocene Unit G-4-159686 | Citation Oil & Gas Corp. | Willamar, West (Miocene 6300) | 1 | 38 | 413K | Jul 1996 – Apr 2013 |
| Champion Heirs G-4-142801 | Citation Oil & Gas Corp. | Willamar, West (1500) | 1 | 30 | 121K | by Jan 1993 – Jul 2002 |
| Yturria Cattle Co G-4-153962 | Texas Oil and Gas Operating, LLC | La Sara (3460 Sand) | 1 | 27 | 36.7K | Feb 1995 – Aug 1995 |
| Bucy, G. W. G-4-177009 | Citation Oil & Gas Corp. | Willamar, West (SM-4100) | 1 | 21 | 326K | Apr 2000 – Aug 2006 |