| Thomas, -C- O-10-20175 | OXY USA WTP LP only | TXL (San Andres) | Ector | 6 | 26.9K | 131K | Jan 1993 – Nov 2002 |
| Opie D O-10-44491 | Diamondback E&P LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 2 | 26.8K | 96K | Feb 2014 – Mar 2025 |
| Cowden Jars O-10-39036 | Occidental Permian Ltd. only | Goldsmith (Devonian) | Ector | 1 | 26.7K | 10.4K | Jul 2008 – May 2024 |
| Parker, J. E. O-10-38149 | Baker Operating, Inc. only | Goldsmith (Clear Fork) | Ector | 2 | 26.7K | 24.5K | Nov 2006 – Jun 2024 |
| Parker Minerals 16 O-10-40439 | Acoma Operating, LLC only | Harper | Ector | 4 | 26.6K | 45.6K | Aug 2010 – Oct 2024 |
| Scharbauer-Eidson -B- O-10-13806 | Crescent Energy Operating, LLC only | TXL (Tubb) | Ector | 3 | 26.5K | 6.72K | Jan 1993 – Mar 2022 |
| Cummins -C- O-10-9898 | OXY USA WTP LP only | Goldsmith (5600) | Ector | 13 | 26.5K | 72.6K | Jan 1993 – Oct 2006 |
| Gist O-10-42494 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 2 | 26.5K | 22.8K | Dec 2011 – May 2015 |
| Cummins "D", H.E. O-10-29280 | Scout Energy Management LLC only | Goldsmith (Clear Fork) | Ector | 2 | 26.4K | 192K | Jan 1993 – Jun 2011 |
| Cowden S O-10-39035 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 2 | 26.4K | 36.9K | Aug 2008 – Feb 2025 |
| Fraser, G. C. -F- O-10-34928 | Baker Operating, Inc. only | TXL (Ellenburger) | Ector | 1 | 26.3K | 13.7K | Mar 1996 – Apr 2026 |
| Wight -A- O-10-817 | Endeavor Energy Resources L.P. only | Cowden, North (Deep) | Ector | 2 | 26.3K | 21 | Jan 1993 – Apr 2018 |
| Dora Roberts Ranch Unit O-10-15850 | OXY USA Inc. only | Dora Roberts (Pennsylvanian) | Midland | 18 | 26.2K | 837K | Jan 1993 – Sep 1995 |
| Parker Minerals 12E O-10-40650 | Acoma Operating, LLC only | Goldsmith (Clear Fork) | Ector | 3 | 26.2K | 67.4K | Oct 2010 – Mar 2016 |
| Fee "ZG" O-10-36944 | Fasken Oil and Ranch, Ltd. only | Fasken (Wolfcamp) | Ector | 1 | 26.1K | 96.9K | Sep 2002 – Jan 2021 |
| Slator O-10-38391 | Baker Operating, Inc. only | Goldsmith (Clear Fork) | Ector | 2 | 26.1K | 1.07K | Nov 2006 – Apr 2026 |
| Connell, A. B. O-10-15073 | Incline Energy only | Metz (Wichita-Albany) | Ector | 1 | 26.1K | 21 | Jan 1993 – Apr 2001 |
| Thomas, A. E., -a- NCT-1 O-10-19462 | Aghorn Operating, Inc. only | TXL (Central Waddell) | Ector | 3 | 26.1K | 122K | Jan 1993 – Feb 2026 |
| Peggy C O-10-45132 | Diamondback E&P LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 1 | 26K | 47K | Oct 2013 – Apr 2026 |
| TXL -F- O-10-20316 | OXY USA WTP LP only | TXL (San Andres) | Ector | 2 | 26K | 70.5K | Jan 1993 – Dec 2017 |
| TXL -O- O-10-24581 | Apache Corporation only | TXL (San Andres) | Ector | 1 | 25.9K | 32.2K | Jan 1993 – Feb 2018 |
| Ector 'T' Fee "47" O-10-36348 | Chevron U. S. A. Inc. only | Harper, SE. (Ellen.) | Ector | 1 | 25.8K | 21.4K | Jan 2000 – Dec 2003 |
| TXL Cowden South O-10-38455 | Helms Oil & Gas, LLC only | Cowden, South | Ector | 1 | 25.8K | 31.2K | Sep 2007 – Jun 2022 |
| Holt O-10-24527 | Pure Resources, L.P. only | Cowden, North (Deep) | Ector | 1 | 25.7K | 7.59K | Jan 1993 – Jul 2000 |
| Edwards O-10-44912 | Octane Energy Operating, LLC only | Spraberry (Trend Area) | Ector | 1 | 25.6K | 34.3K | Feb 2013 – Apr 2026 |
| Vee Bar 2 O-10-43604 | Crescent Energy Operating, LLC only | Goldsmith (Clear Fork) | Ector | 1 | 25.6K | 26.3K | Dec 2012 – Apr 2026 |
| Parker Trust 20 O-10-40513 | Acoma Operating, LLC only | Goldsmith (Pennsylvanian) | Ector | 1 | 25.6K | 45.8K | Jul 2010 – Mar 2026 |
| Scharbauer -N- O-10-20084 | Formentera Operations LLC only | Goldsmith, N. (San Andres, Con.) | Ector | 3 | 25.5K | 112K | Jan 1993 – Mar 2014 |
| TXL -E- O-10-19568 | Whiting Oil and Gas Corporation only | TXL (San Andres) | Ector | 2 | 25.5K | 101K | Jan 1993 – Sep 2016 |
| Cummins -F- O-10-31181 | Baker Operating, Inc. only | Goldsmith | Ector | 2 | 25.5K | 20.3K | Jan 1993 – Apr 2026 |
| Moss, Paul, Etal -A- O-10-8783 | Gray, W. H. Operating only | Harper | Ector | 1 | 25.5K | 6.88K | Jan 1993 – Apr 2026 |
| Cowden, W.E. "E" O-10-24575 | Raptor Petroleum Develop, LLC only | Cowden, South (Canyon 8790) | Ector | 1 | 25.4K | 19.4K | Jan 1993 – Mar 2014 |
| Vee Bar 14 O-10-42160 | Crescent Energy Operating, LLC only | Goldsmith | Ector | 3 | 25.3K | 20.2K | Oct 2011 – Oct 2020 |
| Vee-Bar Ranch O-10-37919 | Finley Resources, Inc. only | Goldsmith (Clear Fork) | Ector | 1 | 25.2K | 10K | Nov 2006 – Apr 2026 |
| Cross I O-10-37393 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 25.2K | 238K | Oct 2003 – Jun 2017 |
| Ector "C" Fee NCT-1 O-10-28552 | Formentera Operations LLC only | Mosswell (Strawn 8720) | Ector | 1 | 24.9K | 544 | Jan 1993 – May 2024 |
| Cummins, H. E. -A- O-10-10640 | Anadarko Petroleum Corporation only | Goldsmith (5600) | Ector | 2 | 24.8K | 143K | Jan 1993 – Apr 2003 |
| Johnson, J. L. -B- O-10-22069 | O'Ryan Oil and Gas only | Cowden, South (Canyon 8790) | Ector | 2 | 24.8K | 48.6K | Jan 1993 – Apr 2026 |
| Parker O-10-49716 | Formentera Operations LLC only | Goldsmith, W. (San Andres) | Ector | 2 | 24.8K | 4.92K | Mar 2018 – Apr 2026 |
| Johnson -B- 48 O-10-22922 | Slant Operating, LLC only | Cowden, North (Canyon) | Ector | 6 | 24.7K | 24.2K | Jan 1993 – Jun 1998 |
| Shoe Bar Ranch -B- O-10-41962 | Extex Operating Company only | King Lake (Devonian) | Ector | 1 | 24.6K | 18.4K | Aug 2011 – Apr 2026 |
| Headlee 2920 J O-10-58692 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 1 | 24.4K | 18.6K | Mar 2026 – Apr 2026 |
| Scharbauer C NW O-10-55855 | Founders Oil & Gas Operating,llc only | Penwell (Fusselman) | Ector | 1 | 24.3K | 4.93K | Jun 2021 – Nov 2022 |
| Cowden, E.F. -B- O-10-28655 | Bell Energy only | Addis (San Andres) | Ector | 1 | 24.3K | 233K | Jan 1993 – Apr 2026 |
| Kloh -A- O-10-31240 | Baker Operating, Inc. only | Goldsmith | Ector | 3 | 24.2K | 15.9K | Jan 1993 – Apr 2026 |
| Cross, John T. O-10-15654 | Aghorn Operating, Inc. only | Lawson (San Andres) | Ector | 4 | 24.2K | 55K | Jan 1993 – Oct 2008 |
| Slator, J. D. O-10-14863 | Richland Resources Corporation only | TXL (Tubb) | Ector | 1 | 24K | 11.1K | Jan 1993 – Feb 2026 |
| Edwards Estate -GB- O-10-13877 | Baker Operating, Inc. only | Double -H- (Grayburg) | Ector | 4 | 24K | 21 | Jan 1993 – Apr 2026 |
| Shoebar Ranch A O-10-32892 | Scythian, Ltd. only | King Lake (Ellenburger) | Ector | 1 | 23.9K | 14.7K | Jan 1993 – Aug 2000 |
| Kloh B-39 O-10-35702 | OXY USA Inc. only | TXL (Devonian) | Ector | 1 | 23.9K | 103K | Mar 1998 – Jun 1999 |