| McElroy, J. T., Cons. O-10-4161 | Scout Energy Management LLC | McElroy | 1,911 | 77.5M | 9.61M | by Jan 1993 – Aug 2026 |
| Crier-McElroy O-10-4157 | Scout Energy Management LLC | McElroy | 739 | 41.1M | 4.31M | by Jan 1993 – Aug 2026 |
| North McElroy Unit O-10-20377 | Kinder Morgan Production Co LLC | McElroy | 1,177 | 32M | 5.92M | by Jan 1993 – Aug 2026 |
| Waddell TR A O-10-5263 | Blackbeard Operating, LLC | Sand Hills (McKnight) | 662 | 20.1M | 69M | by Jan 1993 – Aug 2026 |
| Waddell TR A O-10-5294 | Blackbeard Operating, LLC | Sand Hills (Tubb) | 561 | 19M | 81.1M | by Jan 1993 – Aug 2026 |
| Block 31 Unit O-10-442 | OXY USA EOR, LLC | Block 31 (Devonian) | 330 | 15.2M | 971M | by Jan 1993 – Aug 2026 |
| North Cross /Dev./ Unit O-10-18696 | Occidental Permian Ltd. | Crossett (Devonian) | 57 | 12.6M | 129M | by Jan 1993 – Aug 2026 |
| Cordona Lake Consolidated Unit O-10-20582 | Hilcorp Energy Company | Cordona Lake | 176 | 11.8M | 39.3M | by Jan 1993 – Aug 2026 |
| Waddel TR 1-W O-10-7155 | Blackbeard Operating, LLC | Waddell | 343 | 10.2M | 12M | by Jan 1993 – Aug 2026 |
| Waddell TR 1 O-10-1224 | Blackbeard Operating, LLC | Dune | 548 | 9.48M | 3.97M | by Jan 1993 – Aug 2026 |
| Jordan University Unit O-10-19955 | Citation Oil & Gas Corp. | Jordan | 300 | 9.44M | 5.53M | by Jan 1993 – Aug 2026 |
| Waddell TR A O-10-18745 | Blackbeard Operating, LLC | Sand Hills (San Angelo, Upper) | 248 | 6.99M | 30M | by Jan 1993 – Aug 2026 |
| Waddell TR 3 O-10-7061 | Blackbeard Operating, LLC | University Waddell (Devonian) | 118 | 6.46M | 9.83M | by Jan 1993 – Aug 2026 |
| McKnight, M. B. O-10-33220 | Ring Energy, Inc. | Sand Hills (Tubb) | 110 | 6.3M | 26.8M | by Jan 1993 – Aug 2026 |
| Waddell TR A O-10-15266 | Blackbeard Operating, LLC | Sand Hills (Judkins) | 259 | 5.7M | 36.8M | by Jan 1993 – Aug 2026 |
| Waddell TR A O-10-12207 | Blackbeard Operating, LLC | Sand Hills (Wichita-Albany) | 166 | 5.31M | 35.2M | by Jan 1993 – Aug 2026 |
| River Bend Devonian Unit O-10-36305 | Fasken Oil and Ranch, Ltd. | P&P (Devonian) | 20 | 3.35M | 2.1M | Jun 2000 – Aug 2026 |
| Midcross Dev. Unit O-10-24526 | Occidental Permian Ltd. | Crossett, S. (Detrital) | 33 | 3.34M | 7.77M | by Jan 1993 – Aug 2026 |
| Cowden, Jax M., et al /NCT-D/ O-10-19915 | Citation Oil & Gas Corp. | Bar-Mar (Dev.) | 26 | 3.12M | 1.07M | by Jan 1993 – Aug 2026 |
| Abell Devonian Unit O-10-20813 | Fasken Oil and Ranch, Ltd. | Abell (Devonian) | 56 | 3.02M | 3.26M | by Jan 1993 – Aug 2026 |
| West Jordan Unit O-10-21216 | R2Q Operating LLC | Jordan | 139 | 2.94M | 1.36M | by Jan 1993 – Aug 2026 |
| McKnight, M.B. O-10-24277 | Ring Energy, Inc. | Running W (Wichita-Albany) | 68 | 2.9M | 17.3M | by Jan 1993 – Aug 2026 |
| Four Corners TXL Fee O-9-17726 | Diamondback E&P LLC | Spraberry (Trend Area) | 90 | 2.88M | 10.4M | Jan 2012 – Aug 2026 |
| Upton 'Z' Fee O-10-34334 | Diamondback E&P LLC | Concho Bluff, North (Queen) | 28 | 2.8M | 2.8K | Nov 1994 – Aug 2026 |
| Henderson, M. F. O-10-7153 | Ring Energy, Inc. | Waddell | 105 | 2.56M | 4.19M | by Jan 1993 – Aug 2026 |
| Texas Consolidated #1 O-10-7060 | Ring Energy, Inc. | University Waddell (Devonian) | 28 | 2.48M | 2.8M | by Jan 1993 – Aug 2026 |
| Four Corners TXL Fee "C" O-10-44507 | Diamondback E&P LLC | Sallie Ann (Spraberry-Wolfcamp) | 48 | 2.33M | 8.98M | Oct 2013 – Aug 2026 |
| University Waddell Devonian Unit O-10-20692 | Formentera Operations LLC | University Waddell (Devonian) | 41 | 2.19M | 3.9M | by Jan 1993 – Aug 2026 |
| Sand Hills Tubb Unit O-10-20865 | Formentera Operations LLC | Sand Hills (Tubb) | 80 | 2.15M | 4.23M | by Jan 1993 – Aug 2026 |
| Waddell TR A O-10-12508 | Blackbeard Operating, LLC | Sand Hills (Wolfcamp) | 119 | 2.12M | 12.7M | by Jan 1993 – Aug 2026 |
| McKnight, M. B. O-10-18323 | Ring Energy, Inc. | Running W, N. (Holt) | 110 | 2.04M | 12.1M | by Jan 1993 – Aug 2026 |
| McKnight, M.B. O-10-24541 | Ring Energy, Inc. | Sand Hills (Wolfcamp) | 43 | 1.82M | 8.86M | by Jan 1993 – Aug 2026 |
| McClintic Unit O-10-18960 | Citation Oil & Gas Corp. | McElroy | 61 | 1.72M | 124K | by Jan 1993 – Aug 2026 |
| Waddel TR 1 O-10-60000 | Blackbeard Operating, LLC | University Waddell (Devonian) | 14 | 1.53M | 3.66M | Dec 2021 – Aug 2026 |
| Barnsley Unit O-10-21178 | R2Q Operating LLC | Sand Hills (Tubb) | 47 | 1.45M | 1.22M | by Jan 1993 – Aug 2026 |
| Central Dune /San Andres/ Unit O-10-21554 | KVL Operating, LLC | Dune | 104 | 1.44M | 570K | by Jan 1993 – Aug 2026 |
| Texas University Sec. 1 & 2 O-10-20901 | Formentera Operations LLC | Dune | 73 | 1.3M | 652K | by Jan 1993 – Aug 2026 |
| Snodgrass, E. N. O-10-7154 | Ring Energy, Inc. | Waddell | 60 | 1.27M | 1.7M | by Jan 1993 – Aug 2026 |
| Tubb, J. B. a/C 1 O-10-5295 | Formentera Operations LLC | Sand Hills (Tubb) | 171 | 1.26M | 18.8M | by Jan 1993 – Aug 2026 |
| Tubb, J. B., Etal O-10-19230 | Ring Energy, Inc. | Sand Hills (Judkins) | 63 | 1.26M | 13.9M | by Jan 1993 – Aug 2026 |
| Tubb, J. B. a/C #1 O-10-5264 | Formentera Operations LLC | Sand Hills (McKnight) | 154 | 1.26M | 22.6M | by Jan 1993 – Aug 2026 |
| Lea, P.J. et Al O-10-9558 | Ring Energy, Inc. | Lea (San Andres) | 149 | 1.26M | 980K | by Jan 1993 – Nov 2023 |
| N. Concho Bluff Queen Unit O-10-16561 | Hilcorp Energy Company | Concho Bluff, North (Queen) | 51 | 1.2M | 14.6K | by Jan 1993 – Aug 2026 |
| C-Bar San Andres Unit O-10-20349 | Ring Energy, Inc. | C-Bar (San Andres) | 93 | 1.18M | 789K | by Jan 1993 – Aug 2026 |
| McKnight, M. B. O-10-5262 | Ring Energy, Inc. | Sand Hills (McKnight) | 86 | 1.11M | 6.96M | by Jan 1993 – Aug 2026 |
| Henderson, M. F. O-10-34609 | Ring Energy, Inc. | Jordan, S. (Devonian) | 12 | 1.09M | 2.62M | Aug 1995 – Aug 2026 |
| Waddell TR A O-10-45532 | Blackbeard Operating, LLC | Sand Hills (Clear Fork) | 62 | 1.07M | 5.75M | Jun 2014 – Aug 2026 |
| McKnight Sand Hills Unit O-10-44089 | Blackbeard Operating, LLC | Sand Hills (McKnight) | 85 | 1.05M | 2.8M | Feb 2014 – Aug 2026 |
| Lea, P.J. et Al O-10-60004 | Ring Energy, Inc. | Lea (Consolidated) | 139 | 1.04M | 2.81M | Dec 2023 – Aug 2026 |
| Waddell TR 3 O-10-21511 | Blackbeard Operating, LLC | Block 31, NW. (Penn Upper) | 38 | 1.01M | 879K | by Jan 1993 – Aug 2026 |