| Prentice Northeast Unit O-11-18607 | Highmark Energy Operating, LLC | Prentice (6700) | 621 | 27.6M | 6.52M | by Jan 1993 – Apr 2026 |
| Adair San Andres Unit O-11-17304 | Hilcorp Energy Company | Adair | 205 | 22.8M | 4.26M | by Jan 1993 – Apr 2026 |
| Frazier, W. G. O-11-6042 | Occidental Permian EOR, LLC | Slaughter | 118 | 14.9M | 75.4M | by Jan 1993 – Apr 2026 |
| Prentice (6700 Clearfork) Unit O-11-60864 | Occidental Permian Ltd. | Prentice (6700) | 183 | 13.3M | 2.74M | by Jan 1993 – Apr 2026 |
| Wellman Unit O-11-62337 | Capturepoint LLC | Wellman | 65 | 13.1M | 13.1M | by Jan 1993 – Apr 2026 |
| Reeves Unit O-11-19574 | White Rock Oil & Gas, LLC | Reeves (San Andres) | 259 | 12.7M | 4.87M | by Jan 1993 – Apr 2026 |
| Welch North Unit O-11-19573 | White Rock Oil & Gas, LLC | Welch | 293 | 9.43M | 1.77M | by Jan 1993 – Apr 2026 |
| Coons, W. A. O-11-5955 | Hilcorp Energy Company | Slaughter | 60 | 7.84M | 5M | by Jan 1993 – Apr 2026 |
| Investors Royalty Co. "A" O-11-61721 | Bce-Mach III LLC | Kingdom (Abo Reef) | 72 | 6.43M | 1.38M | by Jan 1993 – Apr 2026 |
| Mallet Land & Cattle Co. O-11-61720 | Bce-Mach III LLC | Kingdom (Abo Reef) | 86 | 5.33M | 2.61M | by Jan 1993 – Apr 2026 |
| Suntura (Lower Clear Fork) Unit O-11-69175 | Basin Oil & Gas Operating, LLC | Suntura (Lower Clear Fork) | 45 | 5.33M | 511K | Oct 2007 – Apr 2026 |
| CWC Prentice Unit O-11-61063 | Occidental Permian Ltd. | Prentice (6700) | 89 | 4.64M | 1.07M | by Jan 1993 – Apr 2026 |
| Jacobson O-11-61726 | Basin Oil & Gas Operating, LLC | Kingdom (Abo Reef) | 19 | 2.66M | 437K | by Jan 1993 – Apr 2026 |
| Northwest Terry (Abo) Unit O-11-63221 | R3 Operating Corporation | Kingdom (Abo Reef) | 46 | 2.53M | 19.8K | by Jan 1993 – Apr 2026 |
| 1ST Natl Bank of Roswell Tr. "B" O-11-61583 | Bce-Mach III LLC | Kingdom (Abo Reef) | 24 | 2.46M | 406K | by Jan 1993 – Apr 2026 |
| Adair Wolfcamp Unit O-11-9892 | Hilcorp Energy Company | Adair (Wolfcamp) | 69 | 2.3M | 1.03M | by Jan 1993 – Jul 2025 |
| Gordon, M. G. O-11-60033 | White Rock Oil & Gas, LLC | Slaughter (Clear Fork 7190) | 14 | 2.22M | 418K | by Jan 1993 – Apr 2026 |
| Helen O-11-68122 | R3 Operating Corporation | Kingdom (Clearfork 7500) | 19 | 2.2M | 202K | Sep 1999 – Apr 2026 |
| Beck, G. L. O-11-68462 | OXY USA Inc. | Suntura (Lower Clear Fork) | 13 | 2.19M | 306K | Jul 2002 – Apr 2026 |
| Muldrow O-11-68698 | Texland Petroleum, L.P. | Sunflower (San Andres) | 27 | 2.05M | 622K | Aug 2004 – Apr 2026 |
| Wellman West Unit O-11-64619 | White Rock Oil & Gas, LLC | Wellman, W. (San Andres) | 45 | 2.04M | 460K | by Jan 1993 – Mar 2026 |
| Mallet Land & Cattle Co. O-11-66994 | Cross Timbers Energy, LLC | Kingdom (Abo Reef) | 18 | 1.62M | 465K | by Jan 1993 – Apr 2026 |
| Frazier, W. G. O-11-61761 | Hilcorp Energy Company | Kingdom (Abo Reef) | 34 | 1.58M | 279K | by Jan 1993 – Apr 2026 |
| Kennedy, R. C. O-11-69138 | Occidental Permian Ltd. | Suntura (Lower Clear Fork) | 7 | 1.58M | 246K | Aug 2007 – Apr 2026 |
| Wellman SW. San Andres Unit O-11-65039 | Rein Pusher Operating LLC | Wellman, SW. (San Andres) | 46 | 1.55M | 348K | by Jan 1993 – Apr 2026 |
| Suntura O-11-68185 | Great Western Drilling Company | Suntura (Lower Clear Fork) | 13 | 1.44M | 186K | Dec 1999 – Sep 2007 |
| Central Glorieta Unit O-11-60105 | Occidental Permian Ltd. | Prentice | 70 | 1.43M | 444K | by Jan 1993 – Apr 2026 |
| Doyle O-11-12622 | Burk Royalty Co., Ltd. | Leeper (Glorieta) | 29 | 1.35M | 417K | by Jan 1993 – Apr 2026 |
| Pool-Hannes "36" O-11-65666 | Texland Petroleum, L.P. | Sunflower (San Andres) | 20 | 1.34M | 370K | by Jan 1993 – Apr 2026 |
| Muldrow Unit O-11-68725 | Cross Timbers Energy, LLC | Prentice, NW. (San Andres) | 28 | 1.13M | 261K | Dec 2004 – Apr 2026 |
| Leeper Unit O-11-66345 | Burk Royalty Co., Ltd. | Leeper (Glorieta) | 33 | 1.01M | 212K | by Jan 1993 – Apr 2026 |
| Brit Clare O-11-68371 | Basin Oil & Gas Operating, LLC | Prentice (Clear Fork, Lower) | 7 | 930K | 150K | Nov 2001 – Aug 2025 |
| Coons, W. A. O-11-61878 | Hilcorp Energy Company | Kingdom (Abo Reef) | 16 | 891K | 129K | by Jan 1993 – Apr 2025 |
| Mallet Land & Cattle Company O-11-5938 | Cross Timbers Energy, LLC | Slaughter | 48 | 870K | 386K | by Jan 1993 – Apr 2026 |
| Gracey, H. C. O-11-60664 | R3 Operating Corporation | Kingdom (Abo Reef) | 8 | 819K | 19 | by Jan 1993 – Apr 2026 |
| Flache, Mitchell O-11-63564 | Aviator Energy, LLC | Brownfield, S. (Fusselman) | 3 | 809K | 40.7K | by Jan 1993 – Apr 2026 |
| Coons, H. R. O-11-61722 | Bce-Mach III LLC | Kingdom (Abo Reef) | 9 | 785K | 359K | by Jan 1993 – Apr 2026 |
| Christine O-11-67783 | R3 Operating Corporation | Kingdom (Clearfork 7500) | 4 | 764K | 139K | Jul 1997 – Apr 2026 |
| Welch Northeast Unit O-11-60301 | Three Span Oil & Gas, Inc. | Welch | 41 | 723K | 14.5K | by Jan 1993 – Apr 2026 |
| Alexander O-11-188 | Aviator Energy, LLC | Alex | 26 | 701K | 280K | by Jan 1993 – Apr 2026 |
| Warhorse (Clearfork, Up.) Unit O-11-63485 | Extex Operating Company | Warhorse (Clearfork, Up.) | 55 | 694K | 122K | by Jan 1993 – Apr 2026 |
| Reese Cleveland O-11-61692 | Bce-Mach III LLC | Kingdom (Abo Reef) | 13 | 667K | 115K | by Jan 1993 – Apr 2026 |
| Wisdom Unit O-11-67862 | Crey Oil & Gas LLC | Corrigan, East (Fusselman) | 2 | 661K | 1.51K | Feb 1998 – Apr 2026 |
| Hufnall O-11-68423 | Stanolind Permian LLC | Suntura (Lower Clear Fork) | 3 | 611K | 107K | Feb 2002 – Apr 2026 |
| Jackson (Clearfork) Unit O-11-68701 | Cross Timbers Energy, LLC | Prentice (6700) | 25 | 588K | 135K | Sep 2004 – Apr 2026 |
| White O-11-65120 | Burk Royalty Co., Ltd. | Welch | 18 | 576K | 49.7K | by Jan 1993 – Apr 2026 |
| Ramsey O-11-63532 | Crey Oil & Gas LLC | Corrigan, East (Fusselman) | 3 | 569K | 3.83K | by Jan 1993 – Dec 2023 |
| Clare O-11-63018 | Merit Energy Company | Prentice (6700) | 14 | 564K | 140K | by Jan 1993 – Aug 2004 |
| Covington, Ella "B" O-11-68595 | Highmark Energy Operating, LLC | Suntura (Lower Clear Fork) | 8 | 507K | 134K | Jul 2003 – Apr 2026 |
| Seaton O-11-64133 | Aviator Energy, LLC | Brownfield, S. (Strawn) | 2 | 483K | 55.2K | by Jan 1993 – Apr 2026 |