| Yturria Cattle Co. (22 Sd.) O-4-11611 | Texas Oil and Gas Operating, LLC only | La Sara (No. 22 Sd.) | Willacy | 3 | 503K | 13.4K | Jan 1993 – May 2013 |
| Yturria, H. O-4-13071 | Apollo Petro Fuels LLC only | Raymondville (Consolidated) | Willacy | 3 | 445K | 919K | Feb 2002 – Jan 2025 |
| Yturria, H. L & CC G-4-182791 | Merit Energy Company only | Jeffress, W. (Vicksburg V) | Hidalgo | 1 | 244K | 10.3M | Mar 2001 – Apr 2026 |
| Hensley-Yturria O-4-13292 | Orx Resources, L.L.C. only | Yturria, NE. (5000 Sand) | Starr | 1 | 157K | 81.1K | Feb 2005 – Apr 2026 |
| Yturria, L&C -B- G-4-128064 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 123K | 11.1M | Jan 1993 – Apr 2026 |
| Yturria L&C -B- G-4-186123 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 111K | 4.42M | Nov 2001 – Jul 2017 |
| Yturria, Frank D. et Al G-4-183087 | Cody Energy LLC only | Raymondville (Consolidated) | Willacy | 1 | 107K | 631K | Apr 2001 – Feb 2015 |
| Yturria G-4-253667 | Texas Oil and Gas Operating, LLC only | La Sara (No. 41 Sand) | Willacy | 1 | 102K | 178K | Aug 2009 – May 2022 |
| Yturria Cattle Co. O-4-12137 | Durango Resources Corp. only | La Sara (No. 10-a Sand) | Willacy | 1 | 97.4K | 16 | Jan 1993 – May 2007 |
| Yturria L & C -B- G-4-183250 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 96.2K | 4.81M | May 2001 – Apr 2026 |
| Yturria O-4-13960 | Texas Oil and Gas Operating, LLC only | La Sara (3850) | Willacy | 1 | 86.4K | 0 | Dec 2014 – Oct 2025 |
| Yturria, H. L&cc G-4-174144 | Merit Energy Company only | Jeffress, W. (Vicksburg U) | Hidalgo | 1 | 83K | 5.25M | Aug 1998 – Aug 2025 |
| Yturria, H. L&cc G-4-122709 | Merit Energy Company only | Jeffress, W. (Vicksburg V) | Hidalgo | 1 | 77.9K | 2.83M | Jan 1993 – Jul 1998 |
| Yturria Cattle Co O-4-13076 | Hilcorp Energy Company only | La Sara, NW. (3000) | Willacy | 1 | 75.6K | 71 | Feb 2002 – Apr 2022 |
| Yturria Cattle Co. O-4-10922 | Durango Resources Corp. only | La Sara (No. 19 Sand) | Willacy | 2 | 70.7K | 16 | Jan 1993 – Feb 2012 |
| Yturria O-4-13559 | Texas Oil and Gas Operating, LLC only | Lacal (E-10) | Willacy | 1 | 70.2K | 34K | Dec 2008 – Aug 2018 |
| Pinnell Yturria G-4-279814 | Charro Operating, L.L.C. only | PY (Lower Queen City) | Jim Hogg | 1 | 69.6K | 9.11M | Jan 2016 – Apr 2026 |
| Yturria Cattle Co. O-4-11038 | Texas Oil and Gas Operating, LLC only | La Sara (No. 8 Sand) | Willacy | 3 | 69K | 16 | Jan 1993 – Jul 2001 |
| Yturria, H. L & CC G-4-167297 | Merit Energy Company only | Jeffress, W. (Vicksburg U) | Hidalgo | 1 | 66.7K | 2.56M | Mar 1998 – Apr 2026 |
| Yturria L&C -B- G-4-121430 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 62.7K | 5.1M | Jan 1993 – Apr 2026 |
| Yturria, Fausto O-4-13294 | Texas Oil and Gas Operating, LLC only | La Sara (6250) | Willacy | 1 | 60.3K | 62.3K | Sep 2004 – Jan 2015 |
| Yturria L & L -C- G-4-188023 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 59.7K | 5.77M | Mar 2002 – Apr 2026 |
| Yturria L&L Co. -C- G-4-124489 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 54.6K | 5.3M | Jan 1993 – Jan 2007 |
| Yturria, H. O-4-13001 | Cody Energy LLC only | Raymondville (F-28) | Willacy | 1 | 54.4K | 101K | Mar 2001 – Jan 2002 |
| Yturria O-4-13864 | Texas Oil and Gas Operating, LLC only | La Sara (4300) | Willacy | 2 | 53.7K | 0 | Apr 2014 – Oct 2024 |
| Yturria Cattle Co. "B" O-4-12464 | Maynard Oil Co. only | La Sara (No. 22 Sd.) | Willacy | 1 | 53K | 61.1K | May 1995 – Dec 1999 |
| Yturria L & L O-4-12038 | Trap Rock Oil, Ltd. only | Yturria, NE. (5000 Sand) | Starr | 2 | 50.1K | 62K | Jan 1993 – Oct 2007 |
| Yturria O-4-13344 | Texas Oil and Gas Operating, LLC only | La Sara, NE. (7590) | Willacy | 2 | 48.2K | 17.6K | Apr 2005 – Oct 2015 |
| Garcia-Yturria -B- Gas Unit G-4-181351 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 47.6K | 3.16M | Feb 2001 – Apr 2026 |
| Yturria Cattle Company O-4-14171 | Texas Oil and Gas Operating, LLC only | La Sara (No. 21 Sand) | Willacy | 1 | 47.1K | 0 | Nov 2021 – Oct 2025 |
| 86JV Yturria Land & Cattle Co G-4-123217 | Merit Energy Company only | Jeffress, W. (Vicksburg V) | Hidalgo | 1 | 47K | 1.31M | Jan 1993 – Feb 1998 |
| Pinnell Yturria G-4-276141 | Charro Operating, L.L.C. only | PY (Lower Queen City) | Jim Hogg | 1 | 47K | 6.29M | Jan 2015 – Apr 2026 |
| Yturria, H. L&cc G-4-171779 | Cantera Operating, LLC only | Jeffress, W. (Vicksburg W) | Hidalgo | 1 | 45.9K | 1.01M | Sep 1998 – Apr 2015 |
| Yturria L&L Co. -C- G-4-118205 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 42.1K | 4.83M | Jan 1993 – Feb 2021 |
| Chapotal Land Co. -A- O-4-12830 | Smith Production Inc. only | Yturria (4590 Stray) | Starr | 1 | 41.6K | 53.2K | Apr 1999 – Aug 2014 |
| Yturria, L & L Co. -C- G-4-147242 | Smith Production Inc. only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 38.4K | 4.67M | Aug 1993 – Dec 2015 |
| Yturria L & L O-4-13517 | Trap Rock Oil, Ltd. only | Yturria, NE (4560) | Starr | 1 | 35.7K | 46.5K | May 2008 – Mar 2026 |
| Yturria L & L Co. "C" G-4-150151 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 34K | 2.88M | Feb 1994 – Sep 2000 |
| Garcia Yturria -C- Gas Unit G-4-184828 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 33.5K | 1.53M | Sep 2001 – Aug 2025 |
| Yturria L & L -C- G-4-189853 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 32.6K | 900K | Jul 2002 – Apr 2026 |
| Pinnell Yturria G-4-282858 | Charro Operating, L.L.C. only | PY (Lower Queen City) | Jim Hogg | 1 | 31.2K | 2.83M | Aug 2017 – Apr 2026 |
| Yturria, H. L & CC G-4-184397 | Merit Energy Company only | Jeffress, W. (Vicksburg W) | Hidalgo | 1 | 30.9K | 1.49M | Jun 2001 – Apr 2026 |
| Yturria, Frank D. et Al O-4-13070 | Cody Energy LLC only | Raymondville (Consolidated) | Willacy | 2 | 29.9K | 196K | Dec 2001 – Mar 2007 |
| Yturria L&C -B- G-4-124488 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 29.2K | 4.79M | Jan 1993 – Sep 2011 |
| Yturria L & C Co. NCT-2 O-4-12528 | Cody Energy LLC only | Raymondville (a- 5) | Willacy | 1 | 28.7K | 11.7K | Dec 1995 – Sep 2001 |
| Yturria L&C -B- G-4-183837 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 28K | 5.61M | Jun 2001 – Apr 2026 |
| Yturria O-4-14167 | Texas Oil and Gas Operating, LLC only | La Sara (No. 21 Sand) | Willacy | 1 | 27.2K | 0 | Nov 2021 – Oct 2025 |
| Yturria G-4-242005 | Texas Oil and Gas Operating, LLC only | La Sara, E. (7890) | Willacy | 1 | 27K | 453K | Feb 2008 – Jun 2019 |
| Yturria L&C Co. NCT-2 G-4-117983 | Apollo Petro Fuels LLC only | Raymondville (Consolidated) | Willacy | 1 | 26.5K | 1.6M | Jan 1993 – Jan 2019 |
| Yturria, H. Land & Cattle Co. G-4-97620 | EP Energy E&P Company, L.P. only | Jeffress, W. (Vicksburg U) | Hidalgo | 1 | 26.2K | 752K | Jan 1993 – Jul 2006 |