| University 40 O-9-17171 | Sem Operating Company LLC only | Lin (Wolfcamp) | Crockett | 68 | 5.98M | 94.2M | Oct 2010 – Aug 2026 |
| University 38-40 O-9-19775 | Sem Operating Company LLC only | Lin (Wolfcamp) | Irion | 14 | 2.37M | 27.1M | Dec 2017 – Aug 2026 |
| Mayer O-9-20676 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 16 | 441K | 21.3M | Mar 2020 – Aug 2026 |
| University 40D O-9-18129 | Sem Operating Company LLC only | Lin (Wolfcamp) | Irion | 3 | 416K | 7.23M | Feb 2013 – Jul 2026 |
| University 40 A O-9-17557 | Sem Operating Company LLC only | Lin (Wolfcamp) | Irion | 3 | 350K | 5.95M | Jul 2011 – Aug 2026 |
| Mayer-215 Alloc 08 O-9-20760 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 170K | 2.76M | Mar 2020 – Aug 2026 |
| Mayer-215 Alloc 12 O-9-20805 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 159K | 3.03M | Mar 2020 – Aug 2026 |
| Rocker B Zachry A O-9-19050 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 118K | 1.83M | Mar 2015 – Aug 2026 |
| Rocker B Zachry R O-9-18933 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 110K | 1.72M | May 2013 – Aug 2026 |
| Rocker B Zachry C O-9-19011 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 108K | 1.6M | Mar 2015 – Aug 2026 |
| Rocker B Zachry S O-9-18924 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 90.5K | 1.74M | Mar 2013 – Aug 2026 |
| Woods 212-217 Alloc 06 O-9-20694 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 4 | 80.6K | 4.1M | Mar 2020 – Feb 2025 |
| Woods 211-218 Alloc 07 O-9-20839 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 78.2K | 1.39M | Mar 2020 – Feb 2025 |
| Woods 211-218 Alloc 12 O-9-20803 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 73.9K | 1.16M | Mar 2020 – Jun 2025 |
| Woods 211-218 Alloc 10 O-9-20802 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 64K | 1.5M | Mar 2020 – Dec 2024 |
| Woods 211-218 Alloc 09 O-9-20838 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 63.4K | 1.45M | Mar 2020 – Jun 2025 |
| Lindley "40" O-9-9727 | J2 Petroleum LLC only | Rock Pen (Canyon) | Irion | 16 | 58.2K | 693K | by Jan 1993 – Mar 2015 |
| Woods 212-217 Alloc 03 O-9-20690 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 55.7K | 2.7M | Mar 2020 – Aug 2026 |
| Woods 211-218 Alloc 08 O-9-20804 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 54.6K | 1.45M | Mar 2020 – May 2025 |
| Woods 212-217 Alloc 07 O-9-20687 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 47.5K | 2.03M | Mar 2020 – Dec 2025 |
| Woods 213-216 Alloc 01 O-9-20826 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 40.1K | 1.48M | Mar 2020 – Sep 2024 |
| Woods 213-216 Alloc 11 O-9-20698 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 35K | 1.68M | Mar 2020 – Aug 2026 |
| Woods 213-216 Alloc 15 O-9-20856 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 33.7K | 1.11M | Mar 2020 – Aug 2026 |
| Woods 212-217 Alloc 00 O-9-20686 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 33.6K | 1.88M | Mar 2020 – Jun 2025 |
| Woods 213-216 Alloc 09 O-9-20699 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 32.7K | 1.46M | Mar 2020 – Feb 2025 |
| Woods 218 O-9-20703 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 30.7K | 1.31M | Mar 2020 – Aug 2026 |
| Woods 213-216 Alloc 13 O-9-20697 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 30.6K | 1.68M | Mar 2020 – Sep 2024 |
| Woods 213-216 Alloc 07 O-9-20700 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 28.9K | 1.53M | Mar 2020 – Feb 2025 |
| Woods 213-216 Alloc 05 O-9-20701 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 28K | 1.68M | Mar 2020 – Sep 2024 |
| Woods 213-216 Alloc 03 O-9-20702 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 27.8K | 1.57M | Mar 2020 – Sep 2024 |
| Sugg Farmar "40" O-9-15770 | Compass Energy Operating, LLC only | Sugg Ranch (Canyon) | Irion | 7 | 27.1K | 751K | Aug 2005 – Sep 2019 |
| Woods 212-217 Alloc 04 O-9-20691 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 25.6K | 2.78M | Mar 2020 – May 2025 |
| Woods 212-217 Alloc 08 O-9-20688 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 24.9K | 2.58M | Mar 2020 – Sep 2024 |
| Woods 212-217 Alloc 12 O-9-20696 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 23.6K | 1.98M | Mar 2020 – May 2025 |
| Woods 212-217 Alloc 14 O-9-20855 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 22.8K | 1.84M | Mar 2020 – Sep 2024 |
| Woods 212-217 Alloc 02 O-9-20693 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 22.2K | 2.11M | Mar 2020 – Sep 2024 |
| University 40-13 O-9-17204 | EOG Resources, Inc. only | Lin (Wolfcamp) | Irion | 1 | 21.5K | 64.4K | Mar 2010 – Nov 2010 |
| Woods 213-216 Alloc 00 O-9-20825 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 18.5K | 1.43M | Mar 2020 – Jun 2025 |
| Woods 212-217 Alloc 10 O-9-20689 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 18.5K | 2.55M | Mar 2020 – Mar 2025 |
| Woods 212-217 Alloc 09 O-9-20836 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 8.42K | 964K | Mar 2020 – Feb 2025 |
| Woods 212-217 Alloc 06 G-9-300862 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 8.24K | 850K | Mar 2025 – Aug 2026 |
| Sugg Farmar "40" G-9-212248 | Compass Energy Operating, LLC only | Spraberry (Trend Area) | Irion | 1 | 6.86K | 239K | Aug 2005 – Mar 2021 |
| Woods 212-217 Alloc 05 O-9-20837 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 6.28K | 981K | Mar 2020 – Sep 2024 |
| Woods 212-217 Alloc 01 O-9-20692 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 5.79K | 1.1M | Mar 2020 – Sep 2024 |
| Woods 212-217 Alloc 11 O-9-20695 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 2 | 5.78K | 986K | Mar 2020 – Sep 2024 |
| Woods 211-218 Alloc 07 G-9-300877 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 4.72K | 341K | Mar 2025 – Aug 2026 |
| University 38-40 NCT1 O-9-23536 | Sem Operating Company LLC only | Lin (Wolfcamp) | Irion | 3 | 3.27K | 170K | Apr 2026 – Aug 2026 |
| Munson Ranch 4007 O-9-14732 | Munson, David M. Inc. only | Sugg (Clear Fork) | Irion | 1 | 3.13K | 28.2K | Mar 1997 – Jan 2025 |
| Woods 213-216 Alloc 13 G-9-299286 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Irion | 1 | 2.97K | 461K | Oct 2024 – Aug 2026 |
| University 40 E O-9-23546 | Sem Operating Company LLC only | Lin (Wolfcamp) | Crockett | 2 | 2.88K | 61.2K | Apr 2026 – Aug 2026 |