| Connell Estate C O-10-58658 | Cross Timbers Energy, LLC only | Penwell (Clear Fork) | Ector | 1 | 14.7K | 22.2K | Jul 2022 – Apr 2026 |
| Ector -AI- Fee O-10-18615 | Aghorn Operating, Inc. only | Goldsmith, N. (San Andres, Con.) | Ector | 2 | 14.7K | 3.35K | Jan 1993 – Dec 2022 |
| Fraser, G. C. -E- NCT-1 O-10-18884 | Aghorn Operating, Inc. only | TXL (Central Waddell) | Ector | 1 | 14.6K | 178K | Jan 1993 – Feb 2026 |
| Cowden S O-10-12457 | Andector Exploration Company only | Goldsmith (5600) | Ector | 2 | 14.6K | 81.8K | Jan 1993 – Oct 2006 |
| Williamson, Jessie O-10-10669 | Baker Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 4 | 14.6K | 354K | Jan 1993 – Jul 2019 |
| David Fasken -By- O-10-27919 | Fasken Oil and Ranch, Ltd. only | Fasken (Penn.) | Ector | 1 | 14.6K | 149K | Jan 1993 – May 2025 |
| Holt, O. B., Tract 1 O-10-821 | Pure Resources, L.P. only | Cowden, North (Deep) | Ector | 1 | 14.6K | 20 | Jan 1993 – Oct 2000 |
| TXL Texas O-10-15600 | Aghorn Operating, Inc. only | Lawson (San Andres) | Ector | 1 | 14.5K | 20.8K | Jan 1993 – Jul 2000 |
| Cowden -B- O-10-28275 | Herbig Oil & Gas Co. only | Cowden, South (Canyon 8790) | Ector | 1 | 14.5K | 38.7K | Jan 1993 – Aug 2001 |
| Slator Ranch O-10-34045 | Baker Operating, Inc. only | Goldsmith (5600) | Ector | 1 | 14.4K | 4.88K | Dec 1993 – Oct 2006 |
| Cummins -A- O-10-10579 | Baker Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 1 | 14.4K | 166K | Jan 1993 – Apr 2026 |
| Thomas -D & E- O-10-14279 | Apache Corporation only | TXL (San Andres) | Ector | 2 | 14.3K | 66.6K | Jan 1993 – Feb 2018 |
| Cowden -11- O-10-38064 | Baker Operating, Inc. only | Goldsmith (Clear Fork) | Ector | 2 | 14.3K | 113K | Nov 2006 – Apr 2026 |
| Fraser, G. C. -E- NCT-1 O-10-11484 | Aghorn Operating, Inc. only | TXL (San Andres) | Ector | 2 | 14.2K | 178K | Jan 1993 – Feb 2018 |
| Frank "B" O-10-34658 | Conocophillips Company only | Andector (Waddell) | Ector | 2 | 14.2K | 81.8K | Sep 1995 – May 2003 |
| Gardendale 1 O-10-40616 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 1 | 14.2K | 29K | Jul 2010 – Jan 2014 |
| Thomas -C- O-10-6925 | Formentera Operations LLC only | TXL (Devonian) | Ector | 2 | 14.2K | 125K | Jan 1993 – Oct 2020 |
| TXL -A- O-10-30877 | Barrow Petroleum LLC only | Goldsmith, W. (Clear Fork, Up.) | Ector | 1 | 14.2K | 23.9K | Jan 1993 – May 2016 |
| Cowden -G- O-10-30834 | Baker Operating, Inc. only | Cowden (Cisco) | Ector | 1 | 14.1K | 3.45K | Jan 1993 – Jul 2025 |
| Longbotham Unit O-10-22684 | Forest Oil Permian Corporation only | Cowden, South (Canyon 8790) | Ector | 1 | 14.1K | 28.8K | Jan 1993 – Jan 2003 |
| Johnson, J.L. "AB" O-10-23800 | Pure Resources, L.P. only | Johnson (Holt) | Ector | 3 | 14.1K | 7.38K | Jan 1993 – Feb 1998 |
| Cummins, H. E., Est. O-10-9452 | Endeavor Energy Resources L.P. only | Goldsmith (5600) | Ector | 2 | 14K | 111K | Jan 1993 – Oct 2006 |
| Flag Ranch F O-10-48875 | Raptor Resources, Inc. only | Martin (Consolidated) | Ector | 1 | 13.9K | 3.44K | Jun 2017 – Apr 2026 |
| Connell, W. E., -B- O-10-16605 | Cross Timbers Energy, LLC only | Metz (Glorietta) | Ector | 2 | 13.9K | 1.56K | Jan 1993 – Mar 2016 |
| Slator -C- O-10-6973 | Anadarko Petroleum Corporation only | TXL (Ellenburger) | Ector | 3 | 13.9K | 52.6K | Jan 1993 – Apr 1995 |
| Cummins, J. O-10-34758 | OXY USA WTP LP only | Goldsmith, W. (Waddell) | Ector | 1 | 13.8K | 73.6K | Nov 1995 – Dec 2002 |
| Slator O-10-31184 | Baker Operating, Inc. only | Goldsmith | Ector | 3 | 13.8K | 9.76K | Jan 1993 – Apr 2026 |
| Moss "J" O-10-22982 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 2 | 13.8K | 18.6K | Jan 1993 – May 2014 |
| Red Dog O-10-61265 | Octane Energy Operating, LLC only | Martin (Consolidated) | Ector | 1 | 13.8K | 53.1K | Apr 2024 – Apr 2026 |
| Cowden, R. B. O-10-37918 | Baker Operating, Inc. only | Goldsmith (Clear Fork) | Ector | 3 | 13.7K | 409K | Nov 2006 – Apr 2026 |
| Ratliff Ranch "A" O-10-46044 | Slant Operating, LLC only | Spraberry (Trend Area) | Ector | 2 | 13.6K | 47.8K | Apr 2014 – Apr 2026 |
| Ector -AN- Fee O-10-17784 | Nicki T Oil & Gas LLC only | Harper | Ector | 1 | 13.6K | 47 | Jan 1993 – Mar 2026 |
| Frank-B G-10-151075 | Conocophillips Company only | Andector (McKee) | Ector | 1 | 13.6K | 284K | Aug 1994 – Sep 2014 |
| Cowden "H" O-10-35523 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 1 | 13.6K | 63.9K | Sep 1997 – Apr 2019 |
| Phillips-TXL -23- O-10-31130 | Forest Oil Permian Corporation only | Goldsmith (5600) | Ector | 1 | 13.6K | 25.8K | Jan 1993 – Dec 2000 |
| TXL -N- O-10-37052 | Notrees Systems, Inc. only | Wheeler (Wichita-Albany) | Ector | 1 | 13.5K | 0 | Mar 2003 – Aug 2014 |
| TXL -CF- O-10-37967 | Baker Operating, Inc. only | Goldsmith (Clear Fork) | Ector | 1 | 13.5K | 13.9K | Nov 2006 – Apr 2026 |
| Edwards Estate O-10-27063 | Midenergy Operating, LLC only | Double -H- (Grayburg) | Ector | 1 | 13.5K | 594 | Jan 1993 – Nov 2011 |
| R. B. Cowden -A- O-10-27661 | Endeavor Energy Resources L.P. only | Goldsmith, N. (Silurian) | Ector | 3 | 13.4K | 67.6K | Jan 1993 – Apr 2001 |
| Cowden, E.F. -33- O-10-25362 | Moss SWD, LLC only | Cowden, South | Ector | 3 | 13.4K | 61.9K | Jan 1993 – Sep 2015 |
| Fasken, David -BG- O-10-48060 | Fasken Oil and Ranch, Ltd. only | Fasken, South (Strawn) | Ector | 1 | 13.4K | 25K | Dec 2015 – Apr 2026 |
| Cummins -K- O-10-61629 | Octane Energy Operating, LLC only | Martin (Consolidated) | Ector | 1 | 13.3K | 17.3K | May 2024 – Apr 2026 |
| Edwards '24' O-10-42801 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) | Ector | 1 | 13.2K | 7.13K | Mar 2012 – Jan 2019 |
| Ector -E- Fee /NCT-1/ O-10-16997 | Formentera Operations LLC only | Harper | Ector | 2 | 13.2K | 19.9K | Apr 2002 – Apr 2026 |
| Ford O-10-44401 | Zarvona Energy LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 1 | 13.1K | 19.8K | Aug 2013 – Jun 2023 |
| Thomas "H" Tract I O-10-24699 | Apache Corporation only | TXL (Devonian) | Ector | 1 | 13.1K | 42K | Jan 1993 – May 2007 |
| Cowden RANCH"6 HG" O-10-37002 | Rust Oil Corp. only | Harper (Glorieta) | Ector | 1 | 13.1K | 1.38K | Dec 2002 – Nov 2021 |
| Connell, W. E. -A- O-10-61282 | Davis Southern Operating Co LLC only | Jordan, S. (Clearfork) | Ector | 1 | 13K | 12.5K | Mar 2024 – Apr 2026 |
| Arco "J" O-10-32795 | Baker Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 2 | 13K | 69.7K | Jan 1993 – Apr 2026 |
| Connell A O-10-53771 | Raptor Petroleum Develop, LLC only | Jordan | Ector | 1 | 12.9K | 43 | Oct 2019 – Nov 2024 |