| Jordan University Unit O-10-19955 | Citation Oil & Gas Corp. only | Jordan | Ector | 300 | 9.44M | 5.53M | by Jan 1993 – Aug 2026 |
| Johnson Gbsa Unit O-10-15427 | OXY USA WTP LP only | Johnson | Ector | 286 | 5.34M | 3.57M | by Jan 1993 – Aug 2026 |
| Johnson Deep Unit O-10-22784 | OXY USA Inc. only | Johnson (Holt) | Ector | 21 | 3.04M | 949K | by Jan 1993 – Aug 2026 |
| West Jordan Unit O-10-21216 | R2Q Operating LLC only | Jordan | Ector | 139 | 2.94M | 1.36M | by Jan 1993 – Aug 2026 |
| Johnson, J. L. -31- O-10-21835 | Basin Oil & Gas Operating, LLC only | Foster | Ector | 29 | 2.31M | 488K | by Jan 1993 – Aug 2026 |
| Foster-Johnson Unit O-10-16793 | Aghorn Operating, Inc. only | Foster | Ector | 161 | 2.18M | 645K | by Jan 1993 – Jun 2026 |
| Johnson Deep Unit O-10-23029 | OXY USA Inc. only | Johnson (Glorieta) | Ector | 14 | 1.61M | 378K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. -AB- O-10-18883 | GL Energy Operating LLC only | Johnson | Ector | 97 | 1.51M | 1.04M | by Jan 1993 – Aug 2026 |
| Johnson, J. L. -B- O-10-35696 | GL Energy Operating LLC only | Johnson | Ector | 52 | 764K | 460K | Feb 1998 – Aug 2026 |
| JOHNSON,J.L."38" O-10-23134 | Aghorn Operating, Inc. only | Johnson (Holt) | Ector | 7 | 755K | 168K | by Jan 1993 – Jun 2026 |
| Jordan /San Andres/ Unit O-10-20650 | KRF Production Company LLC only | Jordan | Crane | 59 | 739K | 1.16M | by Jan 1993 – Mar 2025 |
| Johnson -B-36- O-10-31640 | OXY USA Inc. only | Cowden, North (Canyon) | Ector | 7 | 690K | 506K | by Jan 1993 – Aug 2026 |
| Johnson, J. L., Unit O-10-19081 | O'Ryan Oil and Gas only | Foster | Ector | 41 | 568K | 169K | by Jan 1993 – Aug 2026 |
| Johnson,j.l."h" O-10-23207 | OXY USA Inc. only | Johnson (Glorieta) | Ector | 3 | 525K | 89K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. "B" O-10-23320 | BP America Production Company only | Johnson | Ector | 60 | 462K | 471K | by Jan 1993 – Mar 2003 |
| Johnson, Lyda Mae O-10-21686 | Momentum Energy Corporation only | Foster | Ector | 3 | 451K | 28.3K | by Jan 1993 – Aug 2026 |
| Johnson, J. L., Jr. Unit /EO/ O-10-1158 | Crescent Energy Operating, LLC only | Donnelly (Holt) | Ector | 12 | 442K | 255K | by Jan 1993 – Aug 2026 |
| Connell, W. E. NCT-2 O-10-28638 | Ctoc Energy, LLC only | Jordan, W. (Clear Fork, Lower) | Crane | 2 | 435K | 326K | by Jan 1993 – Aug 2026 |
| Jonah O-10-44305 | Scout Energy Management LLC only | Goldsmith (Clear Fork) | Ector | 9 | 406K | 2.9M | Jun 2013 – Aug 2026 |
| WE Connell NCT-2 O-10-33448 | Ctoc Energy, LLC only | Jordan (Wichita Albany) | Crane | 2 | 367K | 294K | by Jan 1993 – Aug 2026 |
| JOHNSON,J.L."38" O-10-23143 | Aghorn Operating, Inc. only | Johnson (Glorieta) | Ector | 5 | 314K | 61K | by Jan 1993 – Feb 2000 |
| McDonald, Ida O-10-9836 | Ctoc Energy, LLC only | Jordan, S. (Fusselman) | Ector | 3 | 307K | 275K | by Jan 1993 – Aug 2026 |
| Jocelyn O-10-43414 | Scout Energy Management LLC only | Goldsmith (Clear Fork) | Ector | 8 | 277K | 2.88M | Dec 2012 – Aug 2026 |
| Mojo 4837 O-10-59207 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 1 | 256K | 151K | Mar 2023 – Aug 2026 |
| Connell, W. E. -A- O-10-3078 | Davis Southern Operating Co LLC only | Jordan (Ellenburger) | Ector | 4 | 256K | 307K | by Jan 1993 – Apr 2018 |
| Johnson, J. L. "B" O-10-23300 | GL Energy Operating LLC only | Johnson (Holt) | Ector | 19 | 241K | 143K | by Jan 1993 – Aug 2026 |
| Connell, W. E. NCT-3 O-10-3088 | Ctoc Energy, LLC only | Jordan (Ellenburger) | Ector | 5 | 234K | 223K | by Jan 1993 – Sep 2017 |
| Connell O-10-53356 | Raptor Petroleum Develop, LLC only | Jordan | Ector | 2 | 212K | 3.83K | Oct 2019 – Nov 2024 |
| Connell, Heirs O-10-49340 | Ctoc Energy, LLC only | Jordan (Fusselman) | Ector | 4 | 208K | 52.2K | Dec 2017 – Aug 2026 |
| Williams, Joseph G. O-10-28664 | Stetson Petroleum Corp. only | Yarbrough & Allen (Wolfcamp) | Ector | 2 | 198K | 40.3K | by Jan 1993 – Jul 2026 |
| Johnson, Lyda Mae O-10-902 | Vision Natural Resources, LP only | Cowden, South | Ector | 6 | 187K | 111K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. "P" O-10-24176 | Aghorn Operating, Inc. only | Johnson | Ector | 12 | 178K | 132K | by Jan 1993 – Jun 2026 |
| Connell, W. E., NCT-1 O-10-15175 | Ctoc Energy, LLC only | Jordan (Wolfcamp) | Ector | 5 | 174K | 192K | Dec 2000 – Aug 2026 |
| Johnson, J.L. "O" O-10-24071 | GL Energy Operating LLC only | Johnson | Ector | 8 | 171K | 143K | by Jan 1993 – Aug 2026 |
| Jordan O-10-43149 | SMC Oil & Gas, Inc. only | Mash (Devonian) | Ector | 2 | 158K | 817K | Aug 2012 – Aug 2026 |
| Johnson O-10-14920 | Unitex Oil & Gas, L.L.C. only | Donnelly, North (Grayburg) | Ector | 7 | 155K | 263K | by Jan 1993 – Aug 2026 |
| Johnson 31 O-10-43446 | Sahara Operating Company only | Cowden, North (Canyon) | Ector | 1 | 155K | 50K | May 2012 – Jul 2026 |
| Johnson, J.L. -31- O-10-30599 | Basin Oil & Gas Operating, LLC only | Cowden, South (Canyon 8790) | Ector | 2 | 154K | 100K | by Jan 1993 – Aug 2026 |
| JOHNSON"35" O-10-23200 | Par Development only | Johnson (Holt) | Ector | 1 | 144K | 8.49K | by Jan 1993 – Aug 2026 |
| McDonald, Ida O-10-3091 | Cross Timbers Energy, LLC only | Jordan (Ellenburger) | Ector | 3 | 141K | 220K | by Jan 1993 – Jan 2016 |
| McDonald, Ida O-10-3114 | Ctoc Energy, LLC only | Jordan (Tubb) | Ector | 3 | 113K | 88.6K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. O-10-1554 | Aghorn Operating, Inc. only | Foster | Ector | 14 | 111K | 17.5K | by Jan 1993 – Jun 2026 |
| Johnson, J. L., Jr. Unit /EO/ O-10-1160 | Crescent Energy Operating, LLC only | Donnelly (San Andres) | Ector | 14 | 106K | 53.5K | by Jan 1993 – Jan 2024 |
| Johnson, J.L. "O" O-10-30807 | OXY USA Inc. only | Cowden, North (Canyon) | Ector | 5 | 104K | 19.9K | by Jan 1993 – Aug 2026 |
| Johnson,j.l."h" O-10-23228 | OXY USA Inc. only | Johnson (Holt) | Ector | 3 | 95.5K | 40.7K | by Jan 1993 – Aug 2026 |
| McDonald, Ida O-10-14948 | Ctoc Energy, LLC only | Jordan (Wichita Albany) | Ector | 3 | 95K | 129K | Aug 2006 – Aug 2026 |
| Joben 39/34 O-10-65170 | Mewbourne Oil Company only | Peart (Barnett) | Ector | 1 | 86.2K | 105K | Mar 2026 – Aug 2026 |
| Connell, W. E. -B- O-10-3079 | Siana Oil & Gas only | Jordan (Ellenburger) | Ector | 3 | 78K | 87.5K | by Jan 1993 – Feb 2018 |
| Connell, W. E. NCT-3 O-10-27610 | Ctoc Energy, LLC only | Jordan (Wolfcamp) | Ector | 5 | 74.7K | 133K | Sep 2001 – Oct 2014 |
| McDonald, Ida O-10-15273 | Ctoc Energy, LLC only | Jordan, South (Wolfcamp) | Ector | 4 | 71K | 69.4K | Nov 2009 – Oct 2025 |