| Levelland Unit O-11-3780 | Occidental Permian EOR, LLC only | Levelland | Hockley | 1,212 | 90.4M | 54.2M | by Jan 1993 – Aug 2026 |
| Goldsmith-Landreth /Deep/ Unit O-10-19815 | Occidental Permian Ltd. only | Goldsmith (Clear Fork) | Ector | 655 | 34.6M | 51.7M | by Jan 1993 – Aug 2026 |
| Midland Farms Unit O-10-15874 | Occidental Permian Ltd. only | Midland Farms | Andrews | 654 | 26.7M | 9.53M | by Jan 1993 – Jan 2026 |
| North Central Levelland Unit O-11-60557 | Hilcorp Energy Company only | Levelland | Hockley | 565 | 26M | 5.74M | by Jan 1993 – Aug 2026 |
| Southeast Levelland Unit O-11-18515 | Occidental Permian EOR, LLC only | Levelland | Hockley | 385 | 24.5M | 13.9M | by Jan 1993 – Aug 2026 |
| West Levelland Unit O-11-60190 | Hilcorp Energy Company only | Levelland | Cochran | 361 | 14.2M | 3.24M | by Jan 1993 – Aug 2026 |
| Central Levelland Unit O-11-60298 | Occidental Permian EOR, LLC only | Levelland | Hockley | 314 | 12.3M | 4.29M | by Jan 1993 – Aug 2026 |
| Montgomery Estate-Davies NCT-2 O-11-14567 | Bce-Mach III LLC only | Levelland | Hockley | 198 | 11.1M | 3.56M | by Jan 1993 – Aug 2026 |
| Goldsmith-Landreth/San Andres/UT O-10-17491 | Atlas Operating LLC only | Goldsmith | Ector | 434 | 10.3M | 11.9M | by Jan 1993 – Aug 2026 |
| Scarborough Unit O-10-31494 | Texland Petroleum, L.P. only | Fullerton (San Andres) | Andrews | 100 | 7.2M | 1.51M | by Jan 1993 – Aug 2026 |
| Deloache, Ira P. O-11-3837 | Bce-Mach III LLC only | Levelland | Hockley | 94 | 6.14M | 1.93M | by Jan 1993 – Aug 2026 |
| Branex/American O-11-66731 | Texland Petroleum, L.P. only | Stockyard (Clearfork, Upper) | Gaines | 27 | 5.56M | 669K | by Jan 1993 – Aug 2026 |
| Mallet Land & Cattle Co. O-11-61720 | Bce-Mach III LLC only | Kingdom (Abo Reef) | Terry | 86 | 5.34M | 2.62M | by Jan 1993 – Aug 2026 |
| City of Lubbock Unit O-11-65322 | Texland Petroleum, L.P. only | Edmisson (Clear Fork) | Lubbock | 96 | 5.31M | 327K | by Jan 1993 – Aug 2026 |
| May-Montgomery Unit O-11-18451 | Hilcorp Energy Company only | Levelland | Hockley | 87 | 4.94M | 1.59M | by Jan 1993 – Aug 2026 |
| Midland Farms Deep Unit O-10-30861 | Occidental Permian Ltd. only | Midland Farms Deep | Andrews | 67 | 4.93M | 21.6M | by Jan 1993 – Aug 2026 |
| Xit Unit O-11-60436 | Hilcorp Energy Company only | Levelland | Cochran | 185 | 4.84M | 2.63M | by Jan 1993 – Aug 2026 |
| E. Broadview (Clearfork UP) Unit O-11-64576 | Texland Petroleum, L.P. only | Edmisson (Clear Fork) | Lubbock | 95 | 4.23M | 268K | by Jan 1993 – Aug 2026 |
| Whiteface Unit O-11-60232 | Double Barrel Oil LLC only | Levelland | Cochran | 188 | 4.22M | 1.27M | by Jan 1993 – Aug 2026 |
| Logsdon -C- O-10-18905 | Texland Petroleum, L.P. only | Fullerton (San Andres) | Andrews | 50 | 4M | 525K | by Jan 1993 – Aug 2026 |
| UL Loveland 1920-17 O-10-51487 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 10 | 4M | 10.4M | Dec 2018 – Aug 2026 |
| Medarby Unit O-11-60294 | Bce-Mach III LLC only | Levelland | Hockley | 63 | 3.83M | 1.3M | by Jan 1993 – Aug 2026 |
| Northeast Levelland Unit O-11-61137 | Hilcorp Energy Company only | Levelland | Hockley | 37 | 3.57M | 994K | by Jan 1993 – Aug 2026 |
| Trailand a Unit O-10-47022 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 13 | 3.46M | 13.3M | Jul 2015 – Aug 2026 |
| Trailand B Unit O-10-51664 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 14 | 3.33M | 14.8M | Sep 2018 – Aug 2026 |
| Trailand N Unit O-10-55921 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 16 | 3.06M | 10.8M | Oct 2021 – Aug 2026 |
| Jennifer (Queen) Unit O-10-32616 | Richland Resources Corporation only | Concho Bluff, North (Queen) | Ector | 58 | 2.89M | 21 | by Jan 1993 – Jul 2026 |
| SE. Stinnett Unit O-11-66108 | Texland Petroleum, L.P. only | Stinnett, SE. (Clear Fork) | Lubbock | 47 | 2.67M | 9.19K | by Jan 1993 – Aug 2026 |
| Mayo Clinic 'C' O-14-9501 | Latigo Petroleum, LLC only | Pan Petro (Cleveland) | Roberts | 27 | 2.64M | 18.4M | Jan 2017 – Aug 2026 |
| North Levelland Unit O-11-67224 | Bce-Mach III LLC only | Levelland | Hockley | 55 | 2.63M | 709K | Apr 1994 – Aug 2026 |
| Tunis Creek Univ. Lands Unit O-10-29971 | Basin Oil & Gas Operating, LLC only | Tunis Creek(devonian) | Pecos | 20 | 2.57M | 2.16M | by Jan 1993 – Aug 2026 |
| Holt, O. B. -C- O-10-848 | Texland Petroleum, L.P. only | Cowden, North (Deep) | Ector | 32 | 2.52M | 336K | by Jan 1993 – Aug 2026 |
| Miller-Wright Unit O-11-61133 | Kimbell Operating Company only | Levelland | Cochran | 66 | 2.47M | 451K | by Jan 1993 – Aug 2026 |
| Hamill Unit O-11-66151 | El Ran, Inc. only | Levelland | Hockley | 35 | 2.4M | 474K | by Jan 1993 – Aug 2026 |
| Idalou Unit O-11-65917 | Texland Petroleum, L.P. only | Idalou, North (Clearfork, LO) | Lubbock | 34 | 2.36M | 9.13K | by Jan 1993 – Aug 2026 |
| Lif-Lubheirs O-11-65679 | Texland Petroleum, L.P. only | Edmisson (Clear Fork) | Lubbock | 25 | 2.35M | 7.92K | by Jan 1993 – Aug 2026 |
| Coble, W. T. "a" NCT-1 O-11-3828 | Bce-Mach III LLC only | Levelland | Hockley | 34 | 2.3M | 674K | by Jan 1993 – Aug 2026 |
| Levelland "C" O-11-60219 | Ctoc Energy, LLC only | Levelland | Hockley | 42 | 2.25M | 502K | by Jan 1993 – Aug 2026 |
| Cade, E. K. O-3-2095 | Big Lake Corporation only | High Island | Galveston | 74 | 2.25M | 1.19M | by Jan 1993 – Aug 2026 |
| Lackey Land a 639 Unit B O-2-10190 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 5 | 2.21M | 6.47M | Sep 2012 – Aug 2026 |
| Midland Farms Deep Unit O-10-13352 | Occidental Permian Ltd. only | Midland Farms (Wolfcamp) | Andrews | 73 | 2.2M | 4.37M | by Jan 1993 – Aug 2026 |
| Midland Farms Deep Unit O-10-13350 | Occidental Permian Ltd. only | Midland Farms (Ellenburger) | Andrews | 21 | 2.2M | 4.42M | by Jan 1993 – Aug 2026 |
| Landgrebe Unit O-1-15481 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 7 | 2.15M | 2.21M | Jun 2011 – Aug 2026 |
| Wright, J.M. Unit O-11-68120 | A.C.T. Operating Company only | Levelland | Cochran | 99 | 2.11M | 1.72M | Sep 1999 – Aug 2026 |
| Holt, O. B. O-10-23396 | Texland Petroleum, L.P. only | Cowden, North | Ector | 134 | 2.09M | 708K | by Jan 1993 – Aug 2026 |
| Muldrow O-11-68698 | Texland Petroleum, L.P. only | Sunflower (San Andres) | Terry | 27 | 2.06M | 626K | Aug 2004 – Aug 2026 |
| Eiland 1112-GG O-10-49498 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Ward | 5 | 1.87M | 3.27M | Sep 2017 – Aug 2026 |
| Warlander O-10-51176 | Diamondback E&P LLC only | Hoefs T-K (Wolfcamp) | Reeves | 6 | 1.75M | 7.26M | Aug 2018 – Aug 2026 |
| Logsdon, Etal, -D- O-10-16399 | Texland Petroleum, L.P. only | Fullerton (San Andres) | Andrews | 32 | 1.75M | 509K | by Jan 1993 – Aug 2026 |
| State Eiland Unit 7-33 O-10-47909 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Ward | 3 | 1.74M | 3.29M | Apr 2016 – Aug 2026 |