| University-Fred O-10-34508 | Flat Top Operating, LLC only | Twofreds, E. (Delaware) | Loving | 1 | 97.4K | 50.2K | Jun 1995 – Sep 2025 |
| Trippet, H. H. O-10-25056 | Pdeh LLC only | Orla, Southeast (Delaware) | Reeves | 2 | 96.4K | 21 | by Jan 1993 – Jan 2020 |
| Pattee, J. F. et al Unit O-10-26912 | Jetta Operating Company, Inc. only | Scott (Delaware) | Ward | 2 | 93.6K | 228K | by Jan 1993 – Aug 2022 |
| Bobcat O-10-36294 | Seaboard Operating Co. only | Quito, West (Delaware) | Ward | 3 | 93.5K | 427K | Apr 2000 – Apr 2026 |
| Barber, W. T. O-10-18217 | Eliteenergyholdings LLC only | Waha, North (Delaware Sand) | Reeves | 6 | 93.5K | 622K | by Jan 1993 – Jul 2025 |
| Athey, Charles B. -C- O-10-25296 | P.o.&g. Operating, LLC only | Coyanosa, N. (Delaware) | Pecos | 6 | 93.2K | 263K | by Jan 1993 – Jan 2013 |
| State -AN- O-10-26038 | Chevron Midcontinent, L.P. only | Caprito (Delaware Middle) | Ward | 5 | 93K | 236K | by Jan 1993 – Sep 2014 |
| Sam O-10-33013 | Avra Oil Company only | Scott (Delaware) | Ward | 2 | 92.5K | 137K | by Jan 1993 – Apr 2026 |
| State School Board -ZZ- O-10-20815 | TS Oil, LLC only | Worsham (Delaware Sand) | Reeves | 4 | 91.4K | 1.44M | by Jan 1993 – Apr 2026 |
| Barber, W. T., -A- O-10-16028 | Jetta Operating Company, Inc. only | Waha, North (Delaware Sand) | Reeves | 9 | 90.9K | 20.9K | by Jan 1993 – Apr 2026 |
| Fran O-10-29333 | BCP Resources, LLC only | Grice (Delaware) | Loving | 2 | 90.7K | 219K | by Jan 1993 – Oct 2021 |
| Mobil Fee "G" O-10-33860 | Jetta Operating Company, Inc. only | Scott (Delaware) | Ward | 1 | 90.3K | 110K | May 1993 – Sep 2024 |
| Trees Estate "12" O-10-36000 | Meco IV, LLC only | Waha (Delaware) | Pecos | 3 | 90.2K | 604K | Oct 1998 – Jul 2018 |
| Cal-Mon O-10-30109 | Jetta Operating Company, Inc. only | Scott (Delaware) | Ward | 2 | 90.2K | 167K | by Jan 1993 – Apr 2026 |
| Tin Man O-10-58332 | Jetta Operating Company, Inc. only | Collie (Delaware) | Ward | 4 | 89.6K | 352K | Oct 2022 – Apr 2026 |
| Barstow 13 O-10-32889 | Jetta Operating Company, Inc. only | Scott (Delaware) | Ward | 1 | 88.7K | 191K | by Jan 1993 – Dec 2004 |
| Carson D O-10-33114 | Jetta Operating Company, Inc. only | Scott (Delaware) | Ward | 1 | 88.3K | 169K | by Jan 1993 – Feb 2025 |
| TXL -13- B O-10-32468 | Citation Oil & Gas Corp. only | Dimmit, Northeast (Delaware SD) | Loving | 3 | 87.6K | 321K | by Jan 1993 – Jun 2007 |
| Johnson, W. D. 38-B O-10-11806 | BCP Resources, LLC only | Grice (Delaware) | Loving | 2 | 86.4K | 300K | by Jan 1993 – Oct 2021 |
| Johnson, W. D., Jr., Etal O-10-15645 | WPX Energy Permian, LLC only | Grice (Delaware) | Loving | 8 | 86.4K | 194K | by Jan 1993 – Oct 2016 |
| Coyote O-10-46207 | Seaboard Operating Co. only | Quito (Delaware-Consolidated) | Ward | 8 | 86K | 196K | May 2015 – Apr 2026 |
| Johnson, W. D. 48-B O-10-10150 | Rodan, Inc. only | Grice (Delaware) | Loving | 6 | 85.1K | 232K | by Jan 1993 – Mar 2023 |
| Loving -D- Fee O-10-13154 | Walsh & Watts, Inc. only | Grice (Delaware) | Loving | 3 | 84.8K | 407K | by Jan 1993 – Mar 2020 |
| Green -E- Unit O-10-29883 | Finley Resources, Inc. only | Quito, West (Delaware) | Ward | 2 | 84K | 82.5K | by Jan 1993 – Mar 2015 |
| Vaughan-McElvain Energy "46" O-10-40306 | Jetta Operating Company, Inc. only | Collie (Delaware) | Ward | 2 | 83.6K | 446K | May 2010 – Sep 2024 |
| TXL -BM- (NCT-B) O-10-27845 | Q Natural Resources, LLC only | Jess Burner (Delaware 3800) | Reeves | 8 | 83.3K | 155K | by Jan 1993 – Apr 2026 |
| State I-40 Oil Unit O-10-30189 | Jetta Operating Company, Inc. only | Collie (Delaware) | Ward | 1 | 83.2K | 210K | by Jan 1993 – Nov 2019 |
| Ligon, S. E. O-10-16489 | Eliteenergyholdings LLC only | Waha, West (Delaware) | Reeves | 4 | 83.1K | 51.9K | by Jan 1993 – Dec 2024 |
| State "WZ" O-10-25026 | Cimarex Energy Co. of Colorado only | Caprito (Delaware Middle) | Ward | 5 | 83K | 394K | by Jan 1993 – Jan 2013 |
| Orla -A- O-10-28483 | Martin, Jimmy Inc only | Jess Burner (Delaware 3800) | Reeves | 7 | 82.6K | 197K | by Jan 1993 – Mar 2021 |
| Waldron O-10-32272 | Jetta Operating Company, Inc. only | Scott (Delaware) | Ward | 1 | 82.3K | 106K | by Jan 1993 – Apr 2026 |
| Quito, S. W. (Delaware) Unit O-10-34153 | Seaboard Operating Co. only | Quito, West (Delaware) | Ward | 10 | 82.2K | 188K | May 1994 – Apr 2026 |
| Burner O-10-27590 | Elendil Resources LLC only | Jess Burner (Delaware 3800) | Reeves | 8 | 81.5K | 350K | by Jan 1993 – Apr 2026 |
| Texaco Fee O-10-32551 | Ranger 40 Petroleum, LLC only | Ken Regan (Delaware) | Reeves | 3 | 81.1K | 128K | by Jan 1993 – Apr 2019 |
| Weed "A" O-5-3444 | Cl&f Operating LLC only | Pan Ware (Rodessa) | Navarro | 1 | 81.1K | 174K | by Jan 1993 – Oct 2015 |
| Ware, Jennie O-13-13914 | Seitz, J. R. & Adam, Ltd. only | Cooke County Regular | Cooke | 8 | 80.3K | 21 | by Jan 1993 – Apr 2026 |
| Cummings "A" O-10-33442 | Avra Oil Company only | Scott (Delaware) | Ward | 2 | 80.1K | 90.3K | by Jan 1993 – Apr 2026 |
| Johnson, W. D., -48A- O-10-19967 | Rodan, Inc. only | Grice (Delaware) | Loving | 1 | 78.8K | 80.7K | by Jan 1993 – Mar 2023 |
| Everest O-10-41365 | Atlantic Operating II, LLC only | Grice (Delaware) | Loving | 4 | 78.8K | 82.9K | May 2011 – Nov 2025 |
| Carson "C" O-10-33090 | Jetta Operating Company, Inc. only | Scott (Delaware) | Ward | 1 | 78.6K | 178K | by Jan 1993 – Apr 2026 |
| VJ Ranch - Impala "36" O-10-41738 | Chevron U. S. A. Inc. only | Cable (Delaware) | Reeves | 3 | 78.4K | 80.7K | Jul 2011 – Apr 2026 |
| Bering O-10-45160 | Atlantic Operating II, LLC only | Grice (Delaware) | Loving | 2 | 78.4K | 56.1K | May 2013 – Apr 2026 |
| Neal, James O. O-10-24911 | P.o.&g. Operating, LLC only | Coyanosa, N. (Delaware) | Pecos | 9 | 78.1K | 200K | by Jan 1993 – Nov 2023 |
| Roxie O-10-19943 | Finley Resources, Inc. only | Worsham (Delaware Sand) | Reeves | 5 | 78K | 512K | by Jan 1993 – Oct 2024 |
| Neely, S.T. O-10-54828 | Jetta Operating Company, Inc. only | Collie (Delaware) | Ward | 4 | 77.8K | 269K | Feb 2020 – Apr 2026 |
| State -AG- O-10-25304 | Continental Resources, Inc. only | Caprito (Delaware Middle) | Ward | 7 | 77.5K | 360K | by Jan 1993 – Dec 2020 |
| Schlosser, F. et Al O-10-27515 | Chevron U. S. A. Inc. only | Rojo Caballos (Delaware) | Pecos | 4 | 77K | 76.3K | by Jan 1993 – Dec 1998 |
| Fidelity Trust Co., et Al O-10-17794 | Extex Operating Company only | Waha (Delaware) | Reeves | 1 | 76.5K | 267K | by Jan 1993 – Apr 2026 |
| Leland '6' O-10-34130 | Atlantic Operating II, LLC only | Grice (Delaware) | Loving | 1 | 75.5K | 76K | Apr 1994 – Apr 2019 |
| Williams, Barbara M. O-10-25484 | Jetta Operating Company, Inc. only | Scott (Delaware) | Ward | 3 | 74.2K | 31.8K | by Jan 1993 – Apr 2025 |