| Cowden, R. B. O-10-22139 | R3 Operating Corporation | Goldsmith, N. (San Andres, Con.) | 3 | 50.6K | 650K | by Jan 1993 – Aug 2026 |
| Cole Ranch O-10-34065 | BCP Resources, LLC | TXL (Devonian) | 1 | 50.5K | 206K | Dec 1993 – Aug 2026 |
| Thomas, A. E. -a- NCT-1 O-10-8262 | Aghorn Operating, Inc. | TXL (Devonian) | 6 | 50.5K | 254K | by Jan 1993 – Jun 2026 |
| Parker, J. E. -C- O-10-31628 | Baker Operating, Inc. | TXL (Wichita Albany, South) | 1 | 50.3K | 45.7K | by Jan 1993 – Aug 2026 |
| Kloh O-10-36035 | Aghorn Operating, Inc. | Cowden, North (Clear Fork) | 1 | 50.3K | 0 | Jun 1999 – Jun 2026 |
| TXL -G- O-10-15248 | Double Barrel Oil LLC | Wheeler (Wolfcamp) | 1 | 50.2K | 1.18M | by Jan 1993 – Aug 2026 |
| Amoco-Cowden -9- O-10-30978 | Jay Management Company, LLC | Goldsmith, N. (San Andres, Con.) | 3 | 49.8K | 116K | by Jan 1993 – Aug 2026 |
| Cowden, Elliott F. "D" O-10-24196 | Sheridan Production Company, LLC | Cowden, South (Canyon 8790) | 4 | 49.7K | 41.7K | by Jan 1993 – Jan 2009 |
| Cowden -H- O-10-31683 | Baker Operating, Inc. | Harper | 2 | 49.5K | 9.94K | by Jan 1993 – Aug 2026 |
| Goldsmith, C. A. et Al O-10-36065 | Hilcorp Energy Company | Goldsmith (Ellenburger) | 5 | 49.5K | 92.5K | May 1999 – Jun 2014 |
| Ratliff, Sallie W.-D- O-10-27648 | Diamondback E&P LLC | Headlee, N. (Devonian) | 1 | 49.3K | 381K | Mar 2002 – Aug 2026 |
| Johnson -A- O-10-26596 | Highmark Energy Operating, LLC | Cowden, North (Canyon) | 2 | 49.3K | 3.72K | by Jan 1993 – Aug 2026 |
| Edwards O-10-36695 | Octane Energy Operating, LLC | VHZ (Devonian) | 2 | 49.2K | 57.1K | Jul 2001 – Sep 2025 |
| Ector -Q- Fee O-10-10984 | Aghorn Operating, Inc. | TXL (San Andres) | 4 | 48.9K | 149K | by Jan 1993 – Feb 2018 |
| Nelson O-10-35315 | Brown, H.L. Operating, L.L.C. | Bob (Devonian) | 1 | 48.8K | 83.3K | Mar 1997 – Mar 2003 |
| Anderson, C. H. C., R/a -E- O-10-8089 | Production Gathering Company, LP | Yarbrough & Allen (Ellenburger) | 3 | 48.8K | 36.8K | by Jan 1993 – Nov 2004 |
| Chase -B- O-10-29867 | Bluco Production Co., Inc. | Cowden, South | 1 | 48.7K | 1.16K | by Jan 1993 – Aug 2026 |
| Cowden, W.F. -A- O-10-28149 | Occidental Permian Ltd. | Cowden, N. (Strawn) | 2 | 48.7K | 36K | by Jan 1993 – Aug 2026 |
| Newkirk O-10-43461 | Aghorn Operating, Inc. | Spraberry (Trend Area) | 2 | 48.4K | 95.1K | Aug 2012 – May 2026 |
| Shashka O-10-37604 | Hilcorp Energy Company | Arbol de Nada (Devonian) | 1 | 48.4K | 594K | May 2005 – Aug 2026 |
| TXL G G-10-192399 | Flint Oak Energy, LLC | Wheeler (Devonian) | 1 | 48.4K | 903K | May 2002 – Nov 2018 |
| Connell, W. E. NCT-8 O-10-33219 | Ctoc Energy, LLC | Jordan (Tubb) | 1 | 48.4K | 41.3K | by Jan 1993 – Aug 2026 |
| Parker Minerals, Ltd., et Al O-10-39589 | Acoma Operating, LLC | Goldsmith | 5 | 48.4K | 77.8K | Aug 2009 – Aug 2022 |
| Wight, L. E., Mrs. -A-9- O-10-9321 | United Oil & Shale LLC | Cowden, North (Deep) | 7 | 48.2K | 20.3K | by Jan 1993 – Oct 2011 |
| Cummins M O-10-25990 | Hilcorp Energy Company | Goldsmith, N. (San Andres, Con.) | 2 | 47.9K | 795K | by Jan 1993 – Jun 2025 |
| Cummins -B- O-10-31987 | Raptor Resources, Inc. | Goldsmith, W. (San Andres) | 2 | 47.9K | 193K | by Jan 1993 – Aug 2026 |
| Fasken, David -BV- O-10-27835 | Fasken Oil and Ranch, Ltd. | Fasken, South (Wolfcamp) | 1 | 47.6K | 47.4K | by Jan 1993 – Feb 2026 |
| Gomer 8 Unit O-10-41960 | Diamondback E&P LLC | Sallie Ann (Spraberry-Wolfcamp) | 1 | 47.6K | 129K | Mar 2011 – Aug 2026 |
| Sherry O-10-55734 | Diamondback E&P LLC | Spraberry (Trend Area) | 10 | 47.2K | 142K | Oct 2019 – Aug 2026 |
| Meteor Crater A O-10-37403 | OXY USA WTP LP | Cowden, South (Canyon 8790) | 2 | 47K | 1.11M | Feb 2004 – Aug 2026 |
| Allen L. Williams O-10-30310 | Marshall & Winston, Inc. | Lazy R. (Strawn Detritus) | 1 | 47K | 136K | by Jan 1993 – Jan 2008 |
| Alma O-10-16751 | Highmark Energy Operating, LLC | TXL (Devonian) | 3 | 47K | 215K | by Jan 1993 – Dec 2023 |
| Gardendale '2' O-10-42312 | Diamondback E&P LLC | Spraberry (Trend Area) | 2 | 47K | 428K | Dec 2011 – Aug 2026 |
| Slator O-10-28770 | Hurst Oil & Gas, Inc. | Goldsmith (5600) | 2 | 46.5K | 32.5K | by Jan 1993 – Oct 2006 |
| Henderson O-10-8251 | Henderson, Bryan, Co. | Cowden, South | 9 | 46.5K | 14.2K | by Jan 1993 – Aug 2026 |
| Parker, J. E. -a- /EO/ O-10-8771 | Fivestones Energy LLC | Harper | 7 | 46.5K | 32.9K | by Jan 1993 – Sep 2025 |
| Parker Minerals, Ltd., et Al O-10-37544 | Neg Operating LLC | Goldsmith (5600) | 10 | 46.4K | 49.2K | Mar 2005 – Oct 2006 |
| Cowden, Frank R/a -C- O-10-833 | Occidental Permian Ltd. | Cowden, North (Deep) | 3 | 46.4K | 12.9K | by Jan 1993 – Aug 2026 |
| Stanolind-Henderson -A- O-10-30343 | Baker Operating, Inc. | Cowden, South | 4 | 46.3K | 7.5K | by Jan 1993 – Aug 2026 |
| Shoebar Ranch-B O-10-35385 | Ctoc Energy, LLC | Ectorfisk (Fusselman) | 1 | 46.3K | 59.2K | May 1997 – Jan 2016 |
| Thumper 48-24 L O-10-65364 | Diamondback E&P LLC | Spraberry (Trend Area) | 1 | 46.1K | 42.5K | Jul 2026 – Aug 2026 |
| Cummins "D" O-10-22802 | Baker Operating, Inc. | Cummins (Devonian) | 2 | 46.1K | 195K | by Jan 1993 – Jun 2004 |
| Cowden, R.B. "AA" O-10-34006 | Octane Energy Operating, LLC | Goldsmith, N. (San Andres, Con.) | 2 | 45.9K | 231K | Oct 1993 – Aug 2026 |
| Cole O-10-32891 | Jay Management Company, LLC | Goldsmith, N. (San Andres, Con.) | 4 | 45.9K | 62.3K | by Jan 1993 – Aug 2026 |
| Anderson, C. H. C. -A- O-10-21943 | R2Q Operating LLC | Yarbrough & Allen (Devonian) | 1 | 45.7K | 50.7K | by Jan 1993 – Aug 2026 |
| Vivian O-10-41959 | Scout Energy Management LLC | Goldsmith (Clear Fork) | 2 | 45.7K | 394K | Aug 2011 – Feb 2024 |
| Rumsey -A- O-10-31182 | Baker Operating, Inc. | Goldsmith | 7 | 45.6K | 32.3K | by Jan 1993 – Aug 2026 |
| Shoe Bar "D" O-10-35836 | R2Q Operating LLC | King Lake (Devonian) | 1 | 45.4K | 36.1K | Jun 1998 – Apr 2012 |
| Horace O-10-20516 | Walsh & Watts, Inc. | Goldsmith, N. (San Andres, Con.) | 2 | 45.3K | 97.8K | by Jan 1993 – Nov 2014 |
| Cushing O-10-8028 | Double Barrel Oil LLC | Wheeler (Ellenburger) | 1 | 45.2K | 480K | by Jan 1993 – Aug 2026 |