| Levelland Unit O-11-3780 | Occidental Permian EOR, LLC | Levelland | 1,212 | 90.1M | 53.9M | Jan 1993 – Jul 2026 |
| Sundown Slaughter Unit O-11-67166 | Bce-Mach III LLC | Slaughter | 702 | 51.1M | 30.8M | Dec 1993 – Jul 2026 |
| Slaughter Estate Unit O-11-18105 | Occidental Permian EOR, LLC | Slaughter | 412 | 50.3M | 202M | Jan 1993 – Jul 2026 |
| Central Mallet Unit O-11-18244 | Occidental Permian EOR, LLC | Slaughter | 360 | 36.3M | 105M | Jan 1993 – Jul 2026 |
| North Central Levelland Unit O-11-60557 | Hilcorp Energy Company | Levelland | 565 | 25.9M | 5.73M | Jan 1993 – Jul 2026 |
| Mallet Unit O-11-18149 | Hilcorp Energy Company | Slaughter | 352 | 25M | 40.1M | Jan 1993 – Jul 2026 |
| Southeast Levelland Unit O-11-18515 | Occidental Permian EOR, LLC | Levelland | 385 | 24.3M | 13.8M | Jan 1993 – Jul 2026 |
| West RKM Unit O-11-19691 | Occidental Permian EOR, LLC | Slaughter | 304 | 23M | 10.9M | Jan 1993 – Jul 2026 |
| Slaughter Consolidated O-11-68016 | Hilcorp Energy Company | Tstar (Abo) | 106 | 19M | 17M | Jan 1999 – Jul 2026 |
| Frazier, W. G. O-11-6042 | Occidental Permian EOR, LLC | Slaughter | 118 | 14.9M | 75.4M | Jan 1993 – Jul 2026 |
| East Mallet Unit O-11-15298 | Hilcorp Energy Company | Slaughter | 197 | 14.8M | 42.7M | Jan 1993 – Jul 2026 |
| West Levelland Unit O-11-60190 | Hilcorp Energy Company | Levelland | 361 | 14.1M | 3.22M | Jan 1993 – Jul 2026 |
| Northwest Mallet Unit O-11-18246 | Occidental Permian EOR, LLC | Slaughter | 179 | 12.9M | 6.64M | Jan 1993 – Jul 2026 |
| Central Levelland Unit O-11-60298 | Occidental Permian EOR, LLC | Levelland | 314 | 12.3M | 4.28M | Jan 1993 – Jul 2026 |
| Montgomery Estate-Davies NCT-2 O-11-14567 | Bce-Mach III LLC | Levelland | 198 | 11M | 3.54M | Jan 1993 – Jul 2026 |
| Mallet O-11-5913 | OXY USA WTP EOR, LLC | Slaughter | 196 | 8.6M | 3.74M | Jan 1993 – Jul 2026 |
| Coons, W. A. O-11-5955 | Hilcorp Energy Company | Slaughter | 60 | 7.84M | 5M | Jan 1993 – Jul 2026 |
| Ellwood "A" O-11-6169 | Hilcorp Energy Company | Smyer | 161 | 6.4M | 726K | Jan 1993 – Jul 2026 |
| West Sundown Unit O-11-70442 | OXY USA EOR, LLC | Slaughter | 240 | 6.39M | 4.65M | May 2016 – Jul 2026 |
| Sundown Unit O-11-60282 | Hilcorp Energy Company | Slaughter | 103 | 6.39M | 2.45M | Jan 1993 – Jul 2026 |
| Deloache, Ira P. O-11-3837 | Bce-Mach III LLC | Levelland | 94 | 6.11M | 1.92M | Jan 1993 – Jul 2026 |
| May-Montgomery Unit O-11-18451 | Hilcorp Energy Company | Levelland | 87 | 4.93M | 1.58M | Jan 1993 – Jul 2026 |
| Medarby Unit O-11-60294 | Bce-Mach III LLC | Levelland | 63 | 3.81M | 1.3M | Jan 1993 – Jul 2026 |
| Smyer, East /Clearfork/ Unit O-11-60284 | Momentum Operating Co., Inc. | Smyer | 145 | 3.79M | 477K | Jan 1993 – Jul 2026 |
| Linker (Lower Clearfork) Unit O-11-70429 | Basin Oil & Gas Operating, LLC | Linker (Clear Fork) | 32 | 3.61M | 411K | Feb 2016 – Jul 2026 |
| Northeast Levelland Unit O-11-61137 | Hilcorp Energy Company | Levelland | 37 | 3.57M | 991K | Jan 1993 – Jul 2026 |
| Texaco Slaughter Estate O-11-67566 | Bce-Mach III LLC | Tstar (Abo) | 25 | 3.46M | 958K | Apr 1996 – Jul 2026 |
| Slaughter, A. A. Estate O-11-61632 | Burk Royalty Co., Ltd. | Leeper (Glorieta) | 131 | 3.44M | 1.23M | Jan 1993 – Jul 2026 |
| Wilson, Maple O-11-5996 | Hilcorp Energy Company | Slaughter | 124 | 3.44M | 1.6M | Jan 1993 – Jul 2026 |
| East RKM Unit O-11-60410 | Occidental Permian EOR, LLC | Slaughter | 91 | 3.42M | 1.42M | Jan 1993 – Jul 2026 |
| Slaughter, S. A. "B" O-11-6014 | OXY USA Inc. | Slaughter | 42 | 3.23M | 1.16M | Jan 1993 – Aug 2016 |
| Yellowhouse Unit O-11-60242 | Hilcorp Energy Company | Yellowhouse | 127 | 3.12M | 516K | Jan 1993 – Jul 2026 |
| Slaughter Unit "2" O-11-60048 | OXY USA Inc. | Slaughter | 41 | 2.99M | 1.31M | Jan 1993 – Aug 2016 |
| Slaughter, Alex O-11-6003 | Occidental Permian EOR, LLC | Slaughter | 30 | 2.88M | 5.67M | Jan 1993 – Jul 2026 |
| North Levelland Unit O-11-67224 | Bce-Mach III LLC | Levelland | 55 | 2.61M | 704K | Apr 1994 – Jul 2026 |
| Hamill Unit O-11-66151 | EL Ran, Inc. | Levelland | 35 | 2.38M | 472K | Jan 1993 – Jul 2026 |
| Coble, W. T. "a" NCT-1 O-11-3828 | Bce-Mach III LLC | Levelland | 34 | 2.28M | 670K | Jan 1993 – Jul 2026 |
| Levelland "C" O-11-60219 | Cross Timbers Energy, LLC | Levelland | 42 | 2.25M | 500K | Jan 1993 – Jul 2026 |
| Gordon, M. G. O-11-60033 | White Rock Oil & Gas, LLC | Slaughter (Clear Fork 7190) | 14 | 2.22M | 418K | Jan 1993 – Jul 2026 |
| Slaughter, Bob O-11-67513 | Bce-Mach III LLC | Tstar (Abo) | 29 | 2.14M | 549K | Jan 1996 – Jul 2026 |
| Coe, A. E. O-11-6008 | OXY USA Inc. | Slaughter | 26 | 1.94M | 476K | Jan 1993 – Aug 2016 |
| Post Montgomery Lo.clfk.wf Unit O-11-69754 | Chi Operating, Inc. | Linker (Clear Fork) | 21 | 1.68M | 381K | Dec 2011 – Jul 2026 |
| Slaughter, R. L. Jr. "C" O-11-6012 | OXY USA Inc. | Slaughter | 10 | 1.63M | 1.22M | Jan 1993 – Aug 2016 |
| Southeast Whiteface Unit O-11-66920 | Raw Oil & Gas, Inc. | Levelland | 45 | 1.63M | 449K | Jan 1993 – Jul 2026 |
| Frazier, W. G. O-11-61761 | Hilcorp Energy Company | Kingdom (Abo Reef) | 34 | 1.58M | 279K | Jan 1993 – Jul 2026 |
| Smyer NE Unit O-11-65777 | Texland Petroleum, L.P. | Smyer | 36 | 1.57M | 111K | Jan 1993 – Jul 2026 |
| Ropes, E. (Clearfork) Unit O-11-60662 | New Height Energy, LLC | Ropes, E. (Clear Fork) | 42 | 1.52M | 280K | Jan 1993 – Jul 2026 |
| Doyle O-11-12622 | Burk Royalty Co., Ltd. | Leeper (Glorieta) | 29 | 1.35M | 417K | Jan 1993 – Jul 2026 |
| Slaughter, R. L. Jr. Tr. 47 O-11-6005 | OXY USA Inc. | Slaughter | 10 | 1.25M | 764K | Jan 1993 – Aug 2016 |
| Barry Unit O-11-19519 | OXY USA Inc. | Slaughter | 10 | 1.19M | 414K | Jan 1993 – Aug 2016 |