| Halfmann 1214 O-9-18597 | Sable Permian Resources, LLC only | Lin (Wolfcamp) | Reagan | 6 | 1.02M | 5.91M | Sep 2014 – Feb 2020 |
| Midkiff-Halfmann 39-46 4600 O-10-49750 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 3 | 964K | 5.91M | May 2018 – Aug 2026 |
| Halfmann 21 H O-10-60803 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 4 | 928K | 2.78M | Apr 2024 – Jul 2026 |
| Midkiff-Halfmann 39-46 4607 O-10-49508 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 764K | 4.06M | May 2018 – Aug 2026 |
| Midkiff-Halfmann 39-46 4606 O-10-49580 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 758K | 3.9M | May 2018 – Aug 2026 |
| Halfmann 21 F O-10-60816 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 3 | 598K | 2.04M | Mar 2024 – Jul 2026 |
| Midkiff-Halfmann 39-46 4609 O-10-49766 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 510K | 1.72M | May 2018 – Aug 2026 |
| Halfmann OU 47-15 (Alloc-A) O-10-47945 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 2 | 507K | 4.64M | Jun 2016 – Jul 2026 |
| Midkiff-Halfmann 39-46 4608 O-10-49753 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 473K | 3.96M | May 2018 – Aug 2026 |
| Halfmann 21 E O-10-60801 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 2 | 418K | 1.02M | Mar 2024 – Jul 2026 |
| Halfmann '28' WB O-10-50412 | Fasken Oil and Ranch, Ltd. only | Spraberry (Trend Area) R 40 Exc | Midland | 1 | 382K | 639K | Aug 2017 – Aug 2026 |
| Driver Halfmann O-10-45408 | Burleson Petroleum, Inc. only | Garden City, S. (Wolfcamp) | Glasscock | 3 | 334K | 1.77M | Dec 2013 – Aug 2026 |
| Halfmann OU 47-15 (Alloc-B) O-10-47952 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 1 | 309K | 3.71M | Jun 2016 – Jul 2026 |
| Halfmann 1214 O-9-20560 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 6 | 207K | 4.27M | Mar 2020 – Aug 2026 |
| Halfmann 36A O-10-47554 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 196K | 267K | Jul 2015 – Aug 2026 |
| Halfmann 36X O-10-47610 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 185K | 228K | Jul 2015 – Aug 2026 |
| Halfmann 21 G O-10-60802 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 1 | 176K | 300K | Mar 2024 – Jul 2026 |
| Halfmann 36B O-10-47404 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 164K | 322K | Jul 2015 – Aug 2026 |
| Halfmann 36G O-10-47543 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 153K | 251K | Jul 2015 – Aug 2026 |
| Halfmann 21 O-10-45489 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 1 | 142K | 435K | Mar 2014 – Jul 2026 |
| Halfmann 30 Unit O-10-40798 | Crescent Energy Operating, LLC only | Garden City, S. (Wolfcamp) | Glasscock | 2 | 101K | 2.3M | Aug 2010 – Jul 2026 |
| Halfmann 42 O-10-43992 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 2 | 97.6K | 283K | Jun 2013 – Jul 2026 |
| Halfmann B O-9-23775 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 93.4K | 197K | Apr 2026 – Aug 2026 |
| Halfmann 36 O-10-44451 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Glasscock | 5 | 91.8K | 325K | Oct 2013 – Sep 2025 |
| Halfmann D O-9-23763 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 76.6K | 169K | Apr 2026 – Aug 2026 |
| Halfmann 1214 SE O-9-19251 | Sable Permian Resources, LLC only | Lin (Wolfcamp) | Reagan | 1 | 73.1K | 512K | Aug 2016 – Feb 2020 |
| Halfmann C O-9-23760 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 67.5K | 210K | Apr 2026 – Aug 2026 |
| Halfmann E O-9-23765 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 64.6K | 141K | Apr 2026 – Aug 2026 |
| Halfmann A O-9-23755 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 59.8K | 157K | Apr 2026 – Aug 2026 |
| Halfmann 1214 E O-9-19235 | Sable Permian Resources, LLC only | Lin (Wolfcamp) | Reagan | 1 | 57.9K | 384K | Aug 2016 – Feb 2020 |
| Halfmann Lease 21 O-10-40338 | Atropos Exploration Company only | Spraberry (Trend Area) | Glasscock | 1 | 56.3K | 96.2K | Mar 2010 – Jun 2026 |
| Holik, Stanley O-9-10029 | Lipan Flats Production, L.L.C. only | Halfman (Strawn) | Tom Green | 1 | 56K | 43.4K | by Jan 1993 – Aug 2026 |
| Halfmann "28A" O-10-41897 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 46.2K | 76.1K | Oct 2011 – Jul 2016 |
| Lpi-Halfmann 31 O-10-44373 | Crescent Energy Operating, LLC only | Garden City, S. (Wolfcamp) | Glasscock | 1 | 43.9K | 237K | Nov 2012 – Jul 2026 |
| Halfmann O-10-24135 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Glasscock | 3 | 42.7K | 195K | by Jan 1993 – Mar 2019 |
| Halfmann 1214 SE O-9-20562 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 40.8K | 275K | Mar 2020 – Aug 2026 |
| Halfmann 4 O-10-28427 | Pioneer Natural Res. USA, Inc. only | Dewey Lake, S. (Strawn) | Glasscock | 2 | 40.2K | 371K | by Jan 1993 – Mar 2021 |
| Halfmann 1214 E O-9-20561 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 27.9K | 273K | Mar 2020 – Aug 2026 |
| Halfman, E.A. "A" O-9-10411 | Carburante Exploration Co, Ltd. only | Halfman (Strawn) | Tom Green | 1 | 27.8K | 122K | by Jan 1993 – Feb 2024 |
| Halfmann Oil Unit O-10-42074 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 1 | 27.7K | 134K | Nov 2011 – Feb 2026 |
| Halfmann Trust Unit O-10-41534 | Crescent Energy Operating, LLC only | Garden City, S. (Wolfcamp) | Glasscock | 1 | 20.8K | 215K | Feb 2011 – Feb 2021 |
| Halfman, E. A. "B" O-9-11150 | Carburante Exploration Co, Ltd. only | Halfman (Strawn) | Tom Green | 1 | 20.2K | 21 | by Jan 1993 – Feb 2024 |
| Halfmann O-9-16671 | Star Production, Inc. only | Buena Ventura (Cisco) | Tom Green | 1 | 19.1K | 93 | Aug 2008 – May 2018 |
| Halfman O-9-5720 | Carburante Exploration Co, Ltd. only | Halfman (Strawn) | Tom Green | 2 | 18.9K | 50.8K | by Jan 1993 – Feb 2024 |
| Halfman, E. A. O-9-10043 | Lavanco Energy, Ltd. only | Halfman (Strawn) | Tom Green | 1 | 17.9K | 45.9K | by Jan 1993 – Mar 2023 |
| Halfmann O-9-9552 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 11.8K | 126K | by Jan 1993 – Jan 2017 |
| Halfmann, R. A. "B" O-10-23621 | Energen Resources Corporation only | Spraberry (Trend Area) | Glasscock | 1 | 8.28K | 61.9K | by Jan 1993 – Feb 2007 |
| Halfmann, Alex "C" O-9-11788 | Lavanco Energy, Inc. only | Halfman (Strawn) | Tom Green | 1 | 6.23K | 6.45K | by Jan 1993 – Jun 1997 |
| Halfman O-9-14697 | Sequoia Fossil Fuels, Inc. only | Norton, W. (Palo Pinto) | Runnels | 1 | 5.28K | 0 | Nov 1997 – Sep 2004 |
| Halfmann, T. O-8-21554 | Round Mountain Operations only | Marsh (Fry) | Coleman | 5 | 4.23K | 57 | by Jan 1993 – Jun 2001 |