| Burns, Frank O-10-36690 | Hilcorp Energy Company only | Mash (Devonian) | Ector | 4 | 93.8K | 393K | Jun 2001 – Apr 2026 |
| Ratliff, Sallie W. O-10-32928 | Slant Operating, LLC only | Headlee, N. (Canyon) | Ector | 2 | 93.7K | 929K | Jan 1993 – Mar 2026 |
| Connell, W. E. O-10-35641 | Cross Timbers Energy, LLC only | Penwell (Glorieta) | Ector | 2 | 93.6K | 53.6K | Dec 1997 – Apr 2026 |
| Edwards, Will P. -A- O-10-14619 | Apache Corporation only | Wheeler (Wolfcamp) | Ector | 3 | 93.5K | 590K | Jan 1993 – Sep 2012 |
| Moss -C- O-10-22100 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 93.2K | 41.4K | Jan 1993 – Apr 2026 |
| Barrow O-10-23019 | Baker Operating, Inc. only | Cowden, North | Ector | 5 | 92.9K | 21 | Jan 1993 – Apr 2026 |
| Helen Crump O-10-38775 | Devon Energy Production Co, L.P. only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 1 | 92.7K | 74.8K | Jan 2008 – Sep 2009 |
| Mobil - Henderson O-10-33682 | Mulloy Operating, Inc. only | Edwards | Ector | 7 | 92.7K | 64K | Jan 1993 – Mar 2026 |
| Cowden Ranch '9' O-10-47568 | Rust Oil Corp. only | Cowden (Cisco) | Ector | 2 | 92.5K | 0 | Dec 2014 – Apr 2026 |
| Mary Elise O-10-43710 | Scout Energy Management LLC only | Goldsmith (Clear Fork) | Ector | 4 | 91.4K | 670K | Mar 2013 – Apr 2026 |
| D. K. M. O-10-14416 | Libertad Operating LLC only | Cowden, North | Ector | 2 | 91K | 9.97K | Jan 1993 – Mar 2026 |
| Scharbauer, C. P O-10-33502 | Occidental Permian Ltd. only | Goldsmith (Devonian, Val-Al) | Ector | 1 | 90.5K | 88.3K | Jan 1993 – Apr 2026 |
| Loter -10- O-10-32254 | Rust Oil Corp. only | TXL (Tubb) | Ector | 3 | 89.5K | 113K | Jan 1993 – Nov 2022 |
| Cummins -15- O-10-37920 | Condor Operating Company, LLC only | Goldsmith (Clear Fork) | Ector | 6 | 89.5K | 219K | Nov 2006 – Apr 2026 |
| Connell, W. E. NCT-7 O-10-47729 | Cross Timbers Energy, LLC only | Penwell (Glorieta) | Ector | 1 | 89.2K | 32.4K | Jul 2015 – Apr 2026 |
| Diamond Lil O-10-36719 | Hilcorp Energy Company only | Harper (Ellenburger) | Ector | 1 | 89.2K | 59.8K | Jul 2001 – Apr 2026 |
| TXL G O-10-40269 | Crescent Energy Operating, LLC only | Goldsmith (Clear Fork) | Ector | 6 | 88.8K | 223K | Jun 2010 – Apr 2026 |
| Averitt O-10-42552 | Diamondback E&P LLC only | Sallie Ann (Mississippian, Lo.) | Ector | 2 | 88.7K | 99.3K | Apr 2012 – Apr 2026 |
| Fraser, G. C. O-10-30732 | Breck Operating Corp. only | Goldsmith (5600) | Ector | 3 | 88.1K | 231K | Jan 1993 – Oct 2006 |
| Cummins -C- O-10-19877 | Aghorn Operating, Inc. only | Goldsmith, N. (San Andres, Con.) | Ector | 2 | 88.1K | 112K | Jan 1993 – Feb 2026 |
| Cowden-Oliver O-10-29350 | Baker Operating, Inc. only | Harper | Ector | 6 | 88K | 60K | Jan 1993 – Apr 2026 |
| Barrow, Augusta O-10-354 | Formentera Operations LLC only | Barrow (Ellenburger) | Ector | 4 | 87.9K | 99.2K | Jan 1994 – Aug 2015 |
| Moss Ranch "6" O-10-41376 | Aghorn Operating, Inc. only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 3 | 87.9K | 122K | Jul 2011 – Feb 2026 |
| Millie B O-10-41742 | FDL Operating, LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 17 | 87K | 179K | Sep 2011 – Jun 2018 |
| Cowden Ranch -18- O-10-32584 | Rust Oil Corp. only | Cowden (Penn Detrital) | Ector | 1 | 86.9K | 101K | Jan 1993 – Apr 2026 |
| Xanadu 31 O-10-53911 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 1 | 86.7K | 118K | Sep 2019 – Mar 2021 |
| Ector -AM- Fee O-10-35104 | Aghorn Operating, Inc. only | Harper | Ector | 2 | 86K | 98.6K | Apr 2000 – Feb 2026 |
| Millard -B- O-10-44923 | Ring Energy, Inc. only | Penwell (Devonian) | Ector | 1 | 85.9K | 213K | Jun 2013 – Apr 2026 |
| Cummins -D- O-10-2005 | Hilcorp Energy Company only | Goldsmith | Ector | 17 | 85.7K | 68.3K | Jan 1993 – Apr 2022 |
| Moss, Paul, "B" O-10-22616 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 2 | 85.6K | 181K | Jan 1993 – Feb 2026 |
| TXL -B- O-10-31238 | Baker Operating, Inc. only | Goldsmith | Ector | 2 | 85.2K | 78.3K | Jan 1993 – Apr 2026 |
| JF Cowden 08X05 O-10-60080 | Maverick Permian LLC only | Andector (Wichita Albany) | Ector | 1 | 84.8K | 283K | Mar 2023 – Apr 2026 |
| Hawkeye B O-10-36495 | Hilcorp Energy Company only | Mash (Devonian) | Ector | 1 | 84.6K | 196K | Aug 2000 – Apr 2026 |
| Moss, Paul O-10-882 | Satanta Oil Company only | Cowden, South | Ector | 4 | 84.2K | 27 | Jan 1993 – Apr 2026 |
| Peggy A O-10-43186 | Diamondback E&P LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 5 | 84.2K | 161K | Sep 2012 – Apr 2026 |
| Fee "ZF" O-10-29636 | Fasken Oil and Ranch, Ltd. only | Cowden, North | Ector | 1 | 83.8K | 38.9K | Jan 1993 – Mar 2026 |
| Chevelle a 48 O-10-38146 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 2 | 83.1K | 679K | Apr 2007 – Jun 2023 |
| TXL -A- O-10-26234 | Baker Operating, Inc. only | Cowden, North | Ector | 2 | 82.8K | 201K | Jan 1993 – Apr 2026 |
| Edwards -B- II O-10-13633 | Baker Operating, Inc. only | Double -H- (Grayburg) | Ector | 5 | 82.8K | 1.25K | Jan 1993 – Apr 2026 |
| Holt O-10-34993 | OXY USA Inc. only | Venteam, SE. (Ellenburger) | Ector | 1 | 82.7K | 64.2K | Jun 1996 – Apr 2018 |
| Millard "C" O-10-40583 | Ring Energy, Inc. only | Penwell (Wichita Albany) | Ector | 5 | 82.3K | 116K | Aug 2010 – Oct 2022 |
| Claruth O-10-2124 | Baker Operating, Inc. only | Goldsmith (Clear Fork) | Ector | 3 | 81.9K | 89.4K | Jan 1993 – Jun 2017 |
| Shoebar '27' O-10-35107 | Cross Timbers Energy, LLC only | Penwell (Clear Fork) | Ector | 1 | 81.8K | 47K | Jul 1996 – Apr 2025 |
| Longbotham Unit O-10-34386 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8900) | Ector | 1 | 81.4K | 206K | Jan 1995 – Feb 2026 |
| Malcolm O-10-41604 | Diamondback E&P LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 5 | 81.2K | 367K | Jul 2011 – Apr 2026 |
| Colonel Potter O-10-36759 | Hilcorp Energy Company only | Mash (Devonian) | Ector | 1 | 81K | 279K | Sep 2001 – Apr 2026 |
| Rhodes -A- O-10-22237 | OXY USA Inc. only | Cowden, North (Clear Fork) | Ector | 1 | 80.8K | 10.7K | Jan 1993 – Apr 2026 |
| Henderson, W. B. "C" O-10-37940 | Henderson, Bryan, Co. only | Cowden, South | Ector | 4 | 80.7K | 59.3K | May 2006 – Apr 2026 |
| Williamson, Jessie Mae O-10-31654 | Baker Operating, Inc. only | G & W (Wolfcamp) | Ector | 1 | 80.6K | 125K | Jan 1993 – Apr 2026 |
| Malcolm A O-10-42792 | Diamondback E&P LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 2 | 80.4K | 372K | May 2012 – Apr 2026 |