| Germania (Grayburg) Unit O-10-25017 | Heifer Production Company LLC only | Germania (Grayburg) | Midland | 34 | 1.26M | 67.3K | by Jan 1993 – Nov 2024 |
| Burkes, Jack D. O-10-27765 | Fasken Oil and Ranch, Ltd. only | Germania (Grayburg) | Midland | 11 | 727K | 185K | by Jan 1993 – Aug 2026 |
| Rayburn-Baumann W16I O-10-52353 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 632K | 1.27M | Apr 2019 – Aug 2026 |
| Ray-Winkleman C43E O-10-61572 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 615K | 1.16M | Jun 2024 – Aug 2026 |
| Rayburn-Baumann W16P O-10-50662 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 605K | 1.76M | May 2018 – Aug 2026 |
| Rayburn-Baumann W16G O-10-52331 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 604K | 966K | Apr 2019 – Aug 2026 |
| Rayburn-Baumann W16H O-10-52351 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 602K | 1.27M | Apr 2019 – Aug 2026 |
| Erwin-Murray 45F O-10-58275 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 583K | 680K | Oct 2022 – Aug 2026 |
| Ray-OXY W43Q O-10-60850 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 541K | 983K | Jun 2024 – Aug 2026 |
| Rayburn-Baumann W16Q O-10-50768 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 531K | 1.79M | May 2018 – Aug 2026 |
| Erwin-Murray 45G O-10-58090 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 521K | 682K | Sep 2022 – Aug 2026 |
| Erwin-Murray 45H O-10-58109 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 484K | 561K | Sep 2022 – Aug 2026 |
| Erwin-Murray 45C O-10-58477 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 461K | 680K | Oct 2022 – Aug 2026 |
| Ray-Winkleman C43D O-10-61645 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 460K | 767K | Jun 2024 – Aug 2026 |
| Erwin-Murray 45D O-10-58232 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 447K | 483K | Oct 2022 – Aug 2026 |
| Erwin-Murray 45A O-10-58067 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 432K | 689K | Oct 2022 – Aug 2026 |
| Ray-Winkleman C43A O-10-61592 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 423K | 831K | Jun 2024 – Aug 2026 |
| Ray-Winkleman C43C O-10-61024 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 420K | 1.13M | Jun 2024 – Aug 2026 |
| Rayburn-Baumann W16R O-10-50751 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 418K | 1.22M | May 2018 – Aug 2026 |
| Erwin-Murray 45J O-10-58036 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 416K | 650K | Sep 2022 – Aug 2026 |
| Ray-OXY W43R O-10-61014 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 387K | 484K | Jun 2024 – Aug 2026 |
| Erwin-Murray 45E O-10-58229 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 369K | 712K | Oct 2022 – Aug 2026 |
| Ray-Winkleman C43F O-10-60567 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 349K | 385K | Jun 2024 – Aug 2026 |
| Erwin-Murray 45R O-10-63831 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 325K | 392K | Sep 2025 – Aug 2026 |
| Ray-OXY W43U O-10-61049 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 320K | 927K | Jun 2024 – Aug 2026 |
| Ray-OXY W43T O-10-62104 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 313K | 519K | Jun 2024 – Aug 2026 |
| Erwin-Murray 45S O-10-63753 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 306K | 374K | Sep 2025 – Aug 2026 |
| Erwin-Murray 45K O-10-64171 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 303K | 344K | Sep 2025 – Aug 2026 |
| Ray-OXY W43P O-10-60963 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 299K | 733K | Jun 2024 – Aug 2026 |
| Erwin-Murray 45O O-10-64104 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 297K | 406K | Sep 2025 – Aug 2026 |
| Ray-OXY W43S O-10-61254 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 279K | 390K | Jun 2024 – Aug 2026 |
| Ray, Lonnie -B- O-10-22513 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 7 | 278K | 688K | by Jan 1993 – Dec 2025 |
| Erwin-Murray 45P O-10-63752 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 244K | 312K | Sep 2025 – Aug 2026 |
| Ray-Sweeney 43A O-10-64359 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 231K | 378K | Feb 2026 – Aug 2026 |
| Erwin-Murray 45B O-10-58228 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 230K | 862K | Oct 2022 – Aug 2026 |
| Erwin-Murray 45I O-10-58230 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 225K | 568K | Sep 2022 – Aug 2026 |
| Ray-Winkleman C43B O-10-60629 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 221K | 315K | Jun 2024 – Aug 2026 |
| Ray-Sweeney 43E O-10-64401 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 208K | 303K | Mar 2026 – Aug 2026 |
| Ray-Sweeney 43I O-10-64399 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 202K | 279K | Mar 2026 – Aug 2026 |
| Erwin-Murray 45L O-10-63746 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 196K | 273K | Sep 2025 – Aug 2026 |
| Ray-Sweeney 43K O-10-64515 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 195K | 331K | Mar 2026 – Aug 2026 |
| Murray "C" O-10-28419 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 2 | 192K | 282K | by Jan 1993 – Aug 2026 |
| Ray-Sweeney 43M O-10-64400 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 186K | 394K | Mar 2026 – Aug 2026 |
| Ray-Sweeney 43N O-10-64261 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 186K | 263K | Mar 2026 – Aug 2026 |
| Erwin-Murray 45T O-10-63764 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 184K | 294K | Sep 2025 – Aug 2026 |
| Erwin-Murray 45Q O-10-63765 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 179K | 390K | Sep 2025 – Aug 2026 |
| Erwin-Murray 45N O-10-64103 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 176K | 251K | Sep 2025 – Aug 2026 |
| Ray-Sweeney 43B O-10-64374 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 172K | 310K | Mar 2026 – Aug 2026 |
| Azalea Grayburg Unit O-10-42307 | New Height Energy, LLC only | Azalea (Grayburg) | Midland | 24 | 172K | 0 | Nov 2012 – Jun 2026 |
| Ray-Sweeney 43H O-10-64321 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 168K | 272K | Mar 2026 – Aug 2026 |