| Parker, J. E. O-10-36954 | Hilcorp Energy Company | TXL (Devonian) | 2 | 74.1K | 187K | May 2002 – Aug 2026 |
| Henderson O-10-881 | Satanta Oil Company | Cowden, South | 8 | 73.6K | 28 | by Jan 1993 – Aug 2026 |
| Thomas 'C' O-10-33536 | Hilcorp Energy Company | TXL (Tubb) | 1 | 73.6K | 84.6K | by Jan 1993 – Aug 2026 |
| TXL U O-10-36028 | OXY USA WTP LP | Slator (Devonian) | 1 | 73.3K | 269K | Jul 1999 – Oct 2008 |
| Headlee 2920 C O-10-58640 | Diamondback E&P LLC | Spraberry (Trend Area) | 1 | 73.2K | 79.7K | Mar 2026 – Aug 2026 |
| Toad -A- O-10-32736 | Texland Petroleum, L.P. | Cowden, North | 4 | 73.2K | 20.1K | by Jan 1993 – Aug 2022 |
| Ratliff -C- O-10-30246 | Antelope Energy Company, LLC | Ratliff (Penn.) | 1 | 72.6K | 372K | by Jan 1993 – Aug 2018 |
| Connell, W.E. NCT-1 O-10-58185 | Ctoc Energy, LLC | Penwell (Clear Fork) | 2 | 72.5K | 49.1K | Sep 2022 – Aug 2026 |
| Thomas, A. E., -a- NCT-1 O-10-19693 | Aghorn Operating, Inc. | TXL (San Andres) | 6 | 72.3K | 338K | by Jan 1993 – Feb 2018 |
| Parker Trust 19 O-10-40920 | Acoma Operating, LLC | Monahans Draw (Canyon 8388) | 3 | 72.3K | 226K | Jan 2011 – Aug 2026 |
| TXL "T" O-10-23110 | OXY USA WTP LP | Cowden, South (Canyon 8790) | 1 | 72K | 162K | by Jan 1993 – Aug 2026 |
| Thomas, H. TR.1 O-10-17016 | Formentera Operations LLC | TXL (Ellenburger) | 1 | 71.6K | 245K | by Jan 1993 – Jun 2026 |
| TXL -M- O-10-15952 | Formentera Operations LLC | TXL (Devonian) | 2 | 71.5K | 469K | by Jan 1993 – Aug 2026 |
| Kinchloe O-10-43760 | Aghorn Operating, Inc. | Spraberry (Trend Area) | 4 | 71.4K | 376K | Jan 2013 – Jul 2026 |
| Cowden -11- O-10-32085 | Aghorn Operating, Inc. | Harper (Glorieta) | 2 | 71.2K | 27K | by Jan 1993 – Jun 2026 |
| McDonald, Ida O-10-15273 | Ctoc Energy, LLC | Jordan, South (Wolfcamp) | 4 | 71K | 69.4K | Nov 2009 – Oct 2025 |
| TXL -B- O-10-11858 | Aghorn Operating, Inc. | Slator (San Andres) | 9 | 71K | 325K | by Jan 1993 – Apr 2010 |
| Headlee 2920 E O-10-58667 | Diamondback E&P LLC | Spraberry (Trend Area) | 1 | 71K | 53.8K | Mar 2026 – Aug 2026 |
| L & K Realty Co. R/a -a- Tr. 1 O-10-8074 | Production Gathering Company, LP | Yarbrough & Allen (Devonian) | 2 | 70.5K | 31.3K | by Jan 1993 – Jun 2023 |
| Flag Ranch B O-10-46239 | Raptor Resources, Inc. | Goldsmith (Clear Fork) | 2 | 70.4K | 219K | Feb 2015 – Aug 2026 |
| Judkins, Charlie, Etal O-10-1555 | Aghorn Operating, Inc. | Foster | 7 | 70K | 10.2K | by Jan 1993 – Jun 2026 |
| Johnson, J. L., -A- O-10-22031 | O'Ryan Oil and Gas | Cowden, South (Canyon 8790) | 2 | 69.6K | 89.5K | by Jan 1993 – Aug 2026 |
| Flag Ranch D O-10-46645 | Raptor Resources, Inc. | Goldsmith (Clear Fork) | 2 | 69.4K | 138K | Dec 2014 – Aug 2026 |
| Foil O-10-37345 | Hilcorp Energy Company | Arbol de Nada (Devonian) | 2 | 69.2K | 426K | Jun 2004 – Aug 2026 |
| Edwards-Brown -B- O-10-28930 | Baker Operating, Inc. | Double -H- (Grayburg) | 3 | 68.8K | 114K | by Jan 1993 – Aug 2026 |
| Williamson O-10-18600 | Satanta Oil Company | Goldsmith, N. (San Andres, Con.) | 4 | 68.7K | 292K | by Jan 1993 – Aug 2026 |
| Scharbauer -PQ- Upper O-10-19299 | Octane Energy Operating, LLC | Goldsmith, N. (San Andres, Con.) | 8 | 68.7K | 35.9K | by Jan 1993 – Sep 2020 |
| Fasken Unit "14" O-10-29300 | Apache Corporation | Fasken, South (Wolfcamp) | 2 | 68.6K | 212K | by Jan 1993 – Oct 2005 |
| Cowden -F- O-10-13785 | RMR Operating, LLC | Donnelly (San Andres) | 13 | 68.6K | 51.4K | by Jan 1993 – Oct 2025 |
| Scharbauer -H- O-10-20363 | Sundown Energy LP | Goldsmith, N. (San Andres, Con.) | 4 | 68.5K | 24.5K | by Jan 1993 – May 2019 |
| Cole O-10-32506 | Phoenix Hydrocarbons Operating | Goldsmith (5600) | 3 | 68.4K | 100K | by Jan 1993 – Oct 2006 |
| Foster H. S. "E" O-10-22238 | Par Development | Cowden, South (Canyon 8900) | 2 | 68.3K | 69.7K | by Jan 1993 – Aug 2026 |
| Arco -22- O-10-30892 | Hilcorp Energy Company | Arbol de Nada (Devonian) | 1 | 68.2K | 279K | by Jan 1993 – Aug 2026 |
| Cowden "14" O-10-33482 | Aghorn Operating, Inc. | Harper, W. (Pennsylvanian) | 1 | 67.8K | 16K | by Jan 1993 – Jun 2026 |
| Parker Minerals 18C O-10-39845 | Acoma Operating, LLC | Goldsmith (Clear Fork) | 4 | 67.3K | 161K | Nov 2009 – Aug 2026 |
| RJ 5 O-10-36323 | OXY USA WTP LP | Cowden, North (Canyon) | 2 | 67.2K | 36.1K | Apr 2000 – Aug 2026 |
| Colonel Potter B O-10-36937 | Hilcorp Energy Company | Mash (Devonian) | 1 | 65.9K | 216K | Jun 2002 – Aug 2026 |
| Shoe Bar Ranch C O-10-41601 | R2Q Operating LLC | King Lake ( Waddell) | 1 | 65.8K | 28.6K | Aug 2011 – Aug 2026 |
| Blakeney, B. H. -M1A- O-10-32667 | Scout Energy Management LLC | Goldsmith, East (Glorieta) | 2 | 65.7K | 83.5K | by Jan 1993 – Apr 2007 |
| Blakeney, B.H. -A- O-10-25062 | Occidental Permian Ltd. | Cowden, North | 1 | 65.6K | 160K | by Jan 1993 – Dec 2024 |
| Moss, Paul, Etal -B- Tract 1 O-10-17852 | OXY USA WTP LP | Harper (Ellenburger) | 1 | 65.6K | 110K | by Jan 1993 – May 2018 |
| Flag Ranch E O-10-48698 | Raptor Resources, Inc. | Goldsmith (Clear Fork) | 2 | 65.4K | 121K | May 2017 – Aug 2026 |
| Connell, W. E. -C- O-10-4861 | Citation Oil & Gas Corp. | Penwell (Clear Fork) | 1 | 65.2K | 48.8K | by Jan 1993 – Aug 2026 |
| Kayser, Eva B. O-10-22422 | Aghorn Operating, Inc. | Cowden, South (Canyon 8790) | 3 | 65.2K | 120K | by Jan 1993 – Jul 2026 |
| Ector 'BF' Fee O-10-34397 | Diamond S Energy Company | York (Grayburg) | 4 | 65.1K | 326K | Jan 1995 – Jul 2026 |
| Frank "B" O-10-19525 | Maverick Permian LLC | Goldsmith, N. (San Andres, Con.) | 5 | 65K | 1.02M | by Jan 1993 – Aug 2016 |
| North Lawson Unit O-10-26286 | Endeavor Energy Resources L.P. | Lawson (San Andres) | 66 | 64.9K | 54.2K | by Jan 1993 – Feb 2019 |
| TXL -B- O-10-2473 | Walsh & Watts, Inc. | Harper | 5 | 64.7K | 1.73K | by Jan 1993 – Aug 2026 |
| Williamson, J. M. O-10-18605 | Saga Petroleum LLC of Colorado | Goldsmith, N. (San Andres, Con.) | 9 | 64.7K | 164K | by Jan 1993 – May 2013 |
| TXL -P- O-10-15854 | Baker Operating, Inc. | Goldsmith, W. (San Andres) | 4 | 64.7K | 226K | by Jan 1993 – Aug 2026 |