| Cummins -A- O-10-31177 | Baker Operating, Inc. only | Goldsmith | Ector | 2 | 62.4K | 50.2K | Jan 1993 – Apr 2026 |
| Leon O-10-51810 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 7 | 62.2K | 103K | Jul 2018 – Apr 2026 |
| McRae Farm 2 O-10-43017 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 3 | 62.2K | 516K | Jan 2012 – Apr 2026 |
| Cummins -A- O-10-31798 | Raptor Resources, Inc. only | Goldsmith, W. (San Andres) | Ector | 2 | 62.1K | 216K | Jan 1993 – Apr 2026 |
| Parker Minerals 8D O-10-50686 | Crescent Energy Operating, LLC only | Goldsmith | Ector | 1 | 61.8K | 183K | Aug 2018 – Apr 2026 |
| South Henderson O-10-49343 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 1 | 61.7K | 25.9K | Oct 2017 – Mar 2026 |
| Parker Minerals 18B O-10-39242 | Acoma Operating, LLC only | Goldsmith (Clear Fork) | Ector | 4 | 61.6K | 133K | Jan 2009 – Nov 2020 |
| Parker Trust 20 O-10-39978 | Acoma Operating, LLC only | Monahans Draw (Canyon 8388) | Ector | 4 | 61.6K | 140K | Feb 2010 – Mar 2026 |
| Foster -D- O-10-21856 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 61.2K | 64.1K | Jan 1993 – Aug 2021 |
| Edwards O-10-46498 | Flat Top Operating, LLC only | Double -H- (Grayburg) | Ector | 3 | 61K | 0 | Jun 2015 – Mar 2026 |
| TXL -B- O-10-16853 | Sundown Energy LP only | Lawson (San Andres) | Ector | 1 | 61K | 50.5K | Jan 1993 – Apr 2016 |
| Parks County Unit -TG- O-10-31504 | Anadarko Petroleum Corporation only | Headlee (Ellenburger) | Ector | 1 | 60.7K | 216K | Jan 1993 – Aug 1998 |
| Cowden, R. B. O-10-27584 | Baker Operating, Inc. only | Goldsmith, N. (San Andres, Con.) | Ector | 2 | 60.4K | 291K | Jan 1993 – Apr 2026 |
| TXL-JJJ O-10-28031 | Crescent Energy Operating, LLC only | Lawson (San Andres) | Ector | 1 | 60.1K | 86.8K | Jan 1993 – Jul 2013 |
| Cummins, H. E. "C" O-10-22873 | Scout Energy Management LLC only | Goldsmith, W. (Devonian) | Ector | 1 | 60.1K | 124K | Jan 1993 – Apr 2026 |
| Slator -C- O-10-16381 | Formentera Operations LLC only | TXL (Devonian) | Ector | 1 | 60K | 567K | Jan 1993 – Feb 2017 |
| Fraser, Geo. C. -B- O-10-2441 | Burleson Petroleum, Inc. only | Harper | Ector | 6 | 59.9K | 76.2K | Jan 1993 – Apr 2026 |
| Cowden, W. F., -C- Upper R/a -A- O-10-21366 | Occidental Permian Ltd. only | Goldsmith, N. (San Andres, Con.) | Ector | 4 | 59.8K | 41.1K | Jan 1993 – Nov 1998 |
| Fasken "20" O-10-29325 | Fasken Oil and Ranch, Ltd. only | Fasken, S. (Atoka) | Ector | 2 | 59.6K | 83.5K | Jan 1993 – Jan 2026 |
| Wheeler, R. A. O-10-13691 | Formentera Operations LLC only | Wheeler (Wolfcamp) | Ector | 4 | 59.6K | 154K | Jan 1993 – Apr 2026 |
| TXL -B- O-10-32443 | Baker Operating, Inc. only | Cowden, North (Deep) | Ector | 1 | 59.5K | 7.37K | Jan 1993 – Apr 2026 |
| Johnson -F- O-10-22244 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 1 | 59.4K | 79.6K | Jan 1993 – Dec 2019 |
| Hurt O-10-55865 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 9 | 58.9K | 196K | May 2021 – Apr 2026 |
| Williamson, Jessie Mae -A- O-10-18714 | Petex only | TXL (Devonian) | Ector | 1 | 58.5K | 423K | Jan 1993 – Apr 2026 |
| Johnson, J.L. "D" O-10-24371 | Aghorn Operating, Inc. only | Johnson | Ector | 4 | 58.2K | 1.65K | Jan 1993 – Feb 2026 |
| Cross -C- O-10-25389 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 58.1K | 249K | Jan 1993 – May 2015 |
| Parker Minerals 2 O-10-38676 | Crescent Energy Operating, LLC only | Goldsmith (Clear Fork) | Ector | 4 | 57.8K | 63.2K | Aug 2008 – Mar 2024 |
| Foster F O-10-50281 | OXY USA WTP LP only | Cowden, South (Dev.) | Ector | 1 | 57.8K | 237K | Jun 2018 – Apr 2026 |
| Parker, J. E. O-10-49711 | Schlachter Operating Corporation only | Goldsmith, W. (San Andres) | Ector | 8 | 57.7K | 5.56K | Mar 2018 – Apr 2026 |
| Fasken, David -AV- O-10-30710 | Apache Corporation only | Circle Bar (Fusselman) | Ector | 1 | 57.7K | 587K | Jan 1993 – Dec 2010 |
| Millie A O-10-51210 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 10 | 57.5K | 119K | Jul 2018 – Apr 2026 |
| Parker -B- O-10-49709 | Dinero Operating Company only | Goldsmith, W. (San Andres) | Ector | 6 | 57.5K | 6.11K | Mar 2018 – Apr 2026 |
| Gomer 7 Unit O-10-42033 | Diamondback E&P LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 1 | 57.4K | 103K | Aug 2011 – Apr 2026 |
| Edwards 12 O-10-41330 | Diamondback E&P LLC only | Sallie Ann (Spraberry-Wolfcamp) | Crane | 4 | 57.1K | 167K | Dec 2010 – Apr 2026 |
| Thomas, A.E. -B- O-10-32792 | Double Barrel Oil LLC only | Wheeler (Silurian) | Ector | 1 | 57K | 447K | Jan 1993 – Apr 2026 |
| Ratliff -K- O-10-13238 | PDC Energy only | Headlee, N. (Devonian) | Ector | 1 | 56.9K | 330K | Jan 1993 – May 2012 |
| Moss"f" O-10-23121 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 3 | 56.9K | 255K | Jan 1993 – Dec 2007 |
| Ector -T- Fee O-10-11684 | Pen-Tex Production Co. Inc. only | Harper | Ector | 10 | 56.8K | 38.1K | Jan 1993 – Apr 2026 |
| Mobil-Eidson "26" O-10-29579 | Rust Oil Corp. only | Mosswell (Strawn 8720) | Ector | 1 | 56.8K | 35.5K | Jan 1993 – Aug 2005 |
| Witcher, J. E. -7- O-10-22736 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 1 | 56.7K | 49.8K | Mar 1993 – Dec 2012 |
| Barrow, Augusta O-10-34199 | Slant Operating, LLC only | Headlee (Bend) | Ector | 2 | 56.3K | 120K | May 1994 – Apr 2013 |
| Parker Trust -19- O-10-28569 | Mayo, Eddie only | Monahans Draw (Canyon 8388) | Ector | 2 | 56.2K | 109K | Jan 1993 – Aug 2011 |
| Cowden, J. M. R/a -C- O-10-836 | Occidental Permian Ltd. only | Cowden, North (Deep) | Ector | 1 | 56.1K | 2.61K | Jan 1993 – May 2019 |
| Slat O-10-6962 | Aghorn Operating, Inc. only | TXL (Ellenburger) | Ector | 2 | 56K | 72K | Jan 1993 – Aug 2015 |
| Addis, Frank V. -C- O-10-859 | Occidental Permian Ltd. only | Cowden, South | Ector | 2 | 55.8K | 25.3K | Aug 2000 – Apr 2026 |
| Parker, J. E. O-10-6989 | OXY USA Inc. only | TXL (Ellenburger) | Ector | 2 | 55.8K | 22.3K | Jan 1993 – Aug 2011 |
| Flag Ranch A O-10-45098 | Raptor Resources, Inc. only | Goldsmith (Clear Fork) | Ector | 2 | 55.8K | 136K | Feb 2014 – Apr 2026 |
| Pool O-10-25661 | Texon Oil Company, Inc. only | Headlee, N. (Devonian) | Ector | 1 | 55.6K | 21 | Jan 1993 – Aug 2016 |
| Holt, O. B., Tract 4 O-10-20907 | Texland Petroleum, L.P. only | Triple-N (Penn., Upper) | Ector | 4 | 55.2K | 84.2K | Jan 1993 – Apr 2026 |
| Kloh "B-7" O-10-20260 | Aghorn Operating, Inc. only | TXL (San Andres) | Ector | 2 | 55.2K | 121K | Jan 1993 – Feb 2018 |