| Wilson -137- O-9-11868 | P1 Energy, LLC | Ramon (Leonard) | 14 | 1.01M | 1.29K | Jan 1993 – Jul 2026 |
| Neva West /Strawn/ Unit O-9-5094 | Atlas Operating LLC | Neva, West (Strawn) | 42 | 570K | 1.59M | Jan 1993 – Jul 2026 |
| Wade O-9-12283 | P1 Energy, LLC | Ramon (Leonard) | 7 | 545K | 3.56K | Jan 1993 – Jul 2026 |
| University 52 S O-9-18112 | Sem Operating Company LLC | Lin (Wolfcamp) | 7 | 528K | 7.58M | Nov 2012 – Jul 2026 |
| Thomerson, A. B. O-9-2041 | Bob Hughes Oil Company, LLC | Toe Nail (Strawn) | 5 | 468K | 600K | Jan 1993 – Jul 2026 |
| Camar, SW (Strawn) Unit O-9-15590 | Pilgrim Energy Partners L.L.C. | Camar, SW. (Strawn) | 17 | 443K | 33.5K | Oct 2004 – Jul 2026 |
| Wilson - Pope O-9-13179 | Sundown Oil Operating, LLC | Carl Cahill (Strawn) | 6 | 383K | 477K | Jan 1993 – Jul 2026 |
| A.M. Murphy O-9-17481 | Ser E&P, Inc. | Cody Bell, SW. (Wolfcamp) | 12 | 355K | 2.24M | Apr 2010 – Jul 2026 |
| University 52-24 O-9-18155 | Sable Permian Resources, LLC | Lin (Wolfcamp) | 9 | 331K | 5.21M | Feb 2013 – Jun 2020 |
| Mertz O-9-15165 | Patton, E. N. Oil Company, Inc. | T Bone (Wolfcamp) | 2 | 298K | 597K | Jul 2001 – Jul 2026 |
| Byars, M. D. O-9-13308 | SMC Oil & Gas, Inc. | SMC (Canyon Reef) | 4 | 239K | 231K | Jan 1993 – Jul 2026 |
| Jones "C" O-9-12969 | Coppertop | Regal (Wolfcamp) | 4 | 236K | 476K | Jan 1993 – Jul 2026 |
| Page Unit O-9-3486 | Unitex Oil & Gas, L.L.C. | Page | 10 | 229K | 126K | Jan 1993 – Jul 2026 |
| McGregor Unit O-9-19114 | R3 Operating Corporation | Fort McKavitt (Lime 4150) | 59 | 215K | 393K | May 2015 – Jul 2026 |
| Williams Ranch O-9-15193 | New Atlantis II, LLC | Sie Williams (Strawn) | 1 | 211K | 72 | Sep 2001 – Jul 2026 |
| University South O-9-18358 | Upp Operating, LLC | Ozona, NE. (Canyon 7520) | 5 | 177K | 2.12M | Aug 2013 – Jul 2026 |
| Hulldale /Penn Reef Unit/ O-9-4312 | M5 Standing Energy, LLC | Hulldale (Pennsylvanian Reef) | 84 | 145K | 652K | Jan 1993 – Jul 2026 |
| Jones "A" O-9-15082 | Hilcorp Energy Company | Regal (Wolfcamp) | 7 | 145K | 261K | Dec 2000 – Jul 2026 |
| Jones O-9-15066 | Hilcorp Energy Company | Regal (Wolfcamp) | 4 | 141K | 359K | Oct 2000 – Jul 2026 |
| University 52-7 O-9-18836 | Ridgeline Resources, LLC | Lin (Wolfcamp) | 2 | 130K | 1.46M | Dec 2014 – Jul 2026 |
| Powell "A" O-9-11410 | Aries Operating, LP | Camar, SW. (Strawn) | 3 | 129K | 54.7K | Jan 1993 – Jan 2005 |
| University 55 10 O-9-17443 | Upp Operating, LLC | Sawyer (Leonard) | 1 | 127K | 122K | Mar 2011 – Jul 2026 |
| Swift O-9-18218 | Felderhoff Production Company | Ramon (Leonard) | 2 | 125K | 55.6K | Jul 2013 – Jul 2026 |
| Thornburg 27 O-9-18021 | R3 Operating Corporation | Fort McKavitt (Lime 4150) | 10 | 125K | 163K | Oct 2012 – Jul 2026 |
| Koy Unit O-9-3485 | Unitex Oil & Gas, L.L.C. | Page | 4 | 113K | 230K | Jan 1993 – Jul 2026 |
| Powell O-9-18941 | VX Operating, LLC | Camar, SW. (Strawn) | 3 | 112K | 321K | Feb 2015 – Jul 2026 |
| Harris -C- O-9-2040 | Williams Oil Company | Toe Nail (Strawn) | 3 | 111K | 214K | Jan 1993 – Jul 2026 |
| Viola Finnigan Wolfcamp Unit O-9-9421 | Coppertop | Regal (Wolfcamp) | 2 | 102K | 6.91K | Jan 1993 – Jul 2026 |
| Roach "50" O-9-12622 | Rolling Hills Oil & Gas, Inc | Velrex (Henderson Upper) | 4 | 101K | 1.26M | Jan 1993 – Jul 2026 |
| Powell "28" O-9-10867 | Aries Operating, LP | Camar, SW. (Strawn) | 8 | 95.1K | 101K | Jan 1993 – Jan 2005 |
| University Block 57 O-9-18314 | BVX Operating, Inc. | Holt Ranch (Consolidated) | 3 | 91.2K | 1.4M | May 2013 – Jul 2026 |
| Robinson-E O-9-2682 | Williams Oil Company | Otto (Canyon) | 3 | 87.5K | 128K | Jan 1993 – Jul 2026 |
| Duff, A. H. Estate "A" O-9-8045 | Trek Resources, Inc. | Dove Creek (Canyon -D-) | 9 | 86.7K | 2.12M | Jan 1993 – Jul 2026 |
| Meador -178- O-9-14736 | Upp Operating, LLC | Marchawn (Clear Fork) | 1 | 83.9K | 14.8K | Dec 1997 – Jul 2026 |
| Arco-Thomerson "5" O-9-11317 | Caraway Operating Co. | Toe Nail (Strawn) | 1 | 79.6K | 61.3K | Jan 1993 – Jul 2026 |
| Bush-Thompson 140 O-9-13248 | Silver Oil & Gas Inc. | Ramon (Leonard) | 2 | 78.3K | 244 | Jan 1993 – Jul 2026 |
| Thomerson, A.B. Mrs. O-9-8222 | Caraway Operating Co. | Toe Nail (Strawn) | 2 | 77.5K | 79.5K | Jan 1993 – Dec 2021 |
| Reichert O-9-13812 | OXY USA Inc. | R. E. G. (Lime 5900) | 2 | 77.3K | 156K | Jun 1995 – Nov 2010 |
| Ruth O-9-12882 | Discovery Operating, Inc. | W.J.S. (Canyon) | 3 | 72.6K | 363K | Jan 1993 – Jul 2026 |
| Holt O-9-15925 | Rolling Hills Oil & Gas, Inc | Kim (Harkey) | 6 | 71.5K | 32.3K | Feb 2006 – Jul 2026 |
| University 54 5 O-9-18394 | Upp Operating, LLC | Ozona, NE. (Canyon 7520) | 3 | 70K | 763K | Aug 2013 – Jul 2026 |
| McGregor -5- O-9-15796 | Boaz Energy II Operating, LLC | Fort McKavitt (Lime 4150) | 5 | 66.2K | 163K | Jul 2005 – Jan 2016 |
| Meador, T. C. O-9-4246 | Meador, T. C. | Velrex (Canyon, Up.) | 11 | 66K | 497K | Jan 1993 – May 2026 |
| Meador, T. C. O-9-7432 | Meador, T. C. | Cody Bell, SW. (Wolfcamp) | 1 | 65.5K | 585K | Jan 1993 – Jul 2026 |
| Williams, Pearl O-9-12532 | COG Operating LLC | Dove Creek, South (6500) | 5 | 63.3K | 842K | Jan 1993 – Jul 2014 |
| Williams, Myrtle et AL O-9-5825 | Riata Energy, Inc. | Williams Ranch (Strawn) | 4 | 63.2K | 8 | Jan 1993 – Aug 2003 |
| Powell, Virgil J O-9-7860 | Stephens & Johnson Operating Co. | Tillery (Canyon, Upper) | 1 | 63.2K | 16K | Jan 1993 – Jul 2026 |
| Priestley O-9-19168 | Felderhoff Production Company | Ramon (Leonard) | 1 | 62.5K | 26.9K | Oct 2015 – Jul 2026 |
| McGregor SX -4- O-9-16132 | Boaz Energy II Operating, LLC | Fort McKavitt (Lime 4150) | 6 | 61.6K | 335K | Dec 2006 – Jan 2016 |
| Taylor O-9-9522 | THP Operating LLC | Page, West (Wolfcamp) | 2 | 60.9K | 206K | Jan 1993 – Jul 2026 |