| Tackleberry 43-42 A O-10-48400 | SM Energy Company only | Spraberry (Trend Area) | Howard | 8 | 2.53M | 9.51M | Nov 2016 – Apr 2026 |
| Wright-Adams Unit 31-42 O-10-47915 | Apache Corporation only | Spraberry (Trend Area) | Howard | 7 | 2.02M | 4.84M | Feb 2016 – Apr 2026 |
| Muse-Newton Unit 31-42 O-10-46420 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 7 | 1.5M | 2.55M | Feb 2015 – Mar 2026 |
| Box Unit 42-55 O-10-55156 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 6 | 1.31M | 2.88M | Mar 2020 – Mar 2026 |
| Jackpot 55-42 O-10-55390 | Bayswater Operating Company LLC only | Spraberry (Trend Area) | Howard | 6 | 970K | 2.13M | Dec 2020 – Apr 2026 |
| King Fisher Unit 42-43 O-10-52412 | Langford & Brigham Operating LLC only | Spraberry (Trend Area) | Howard | 3 | 817K | 959K | May 2019 – Apr 2026 |
| Monty the Aztec 42-43 A O-10-53478 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 4 | 792K | 4.33M | Nov 2019 – Apr 2026 |
| Shasta the Cougar 42-30 E O-10-57146 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 790K | 3.31M | Aug 2022 – Apr 2026 |
| Shasta the Cougar 42-30 D O-10-57148 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 789K | 4.18M | Aug 2022 – Apr 2026 |
| Monty the Aztec 42-43 F O-10-53500 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 780K | 3.02M | Nov 2019 – Apr 2026 |
| Shasta the Cougar 42-30 A O-10-57085 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 666K | 3.21M | Aug 2022 – Apr 2026 |
| Shasta the Cougar 42-30 B O-10-57087 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 657K | 3.04M | Aug 2022 – Apr 2026 |
| Shasta the Cougar 42-30 C O-10-57147 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 617K | 3.17M | Aug 2022 – Apr 2026 |
| Rowdy the Cowboy 42-30 D O-10-57151 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 610K | 2.91M | Oct 2022 – Apr 2026 |
| Rowdy the Cowboy 42-30 A O-10-57145 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 588K | 1.99M | Oct 2022 – Apr 2026 |
| Monty the Aztec 42-43 E O-10-53511 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 581K | 3.17M | Nov 2019 – Apr 2026 |
| Rowdy the Cowboy 42-30 B O-10-57163 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 569K | 2.28M | Oct 2022 – Apr 2026 |
| Rowdy the Cowboy 42-30 C O-10-57164 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 536K | 1.78M | Oct 2022 – Apr 2026 |
| Rowdy the Cowboy 42-30 E O-10-57152 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 2 | 515K | 2.08M | Oct 2022 – Apr 2026 |
| JW Hardin Unit 31-42 O-10-59958 | Langford & Brigham Operating LLC only | Spraberry (Trend Area) | Howard | 2 | 514K | 529K | Jun 2023 – Apr 2026 |
| Curly Bill Unit 31-42 O-10-57049 | Langford & Brigham Operating LLC only | Spraberry (Trend Area) | Howard | 2 | 510K | 675K | Feb 2022 – Apr 2026 |
| Monty the Aztec 42-43 B O-10-53486 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 2 | 451K | 2.66M | Nov 2019 – Apr 2026 |
| Martin 31-42 a Unit O-10-56975 | Highpeak Energy Holdings, LLC only | Spraberry (Trend Area) | Howard | 2 | 437K | 406K | Mar 2022 – Apr 2026 |
| Monty the Aztec 42-43 D O-10-53499 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 2 | 425K | 1.51M | Nov 2019 – Apr 2026 |
| Monty the Aztec 42-43 C O-10-53508 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 2 | 337K | 2.4M | Nov 2019 – Apr 2026 |
| Guava 3142DP O-10-61594 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 328K | 411K | Apr 2024 – Apr 2026 |
| Reed "D-142" O-10-22078 | Endeavor Energy Resources L.P. only | Howard Glasscock (Clear Fork,mi) | Howard | 4 | 303K | 333 | by Jan 1993 – Nov 2011 |
| Martin 30-42 B Unit D O-10-55787 | Highpeak Energy Holdings, LLC only | Spraberry (Trend Area) | Howard | 1 | 288K | 718K | May 2021 – Apr 2026 |
| JM Davis 42 O-10-42468 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Howard | 4 | 267K | 1.66M | Jan 2012 – Apr 2026 |
| Green Creighton 0429 O-10-47709 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 266K | 431K | Jan 2016 – Apr 2026 |
| Santana 2442WA O-10-54557 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Howard | 1 | 256K | 991K | May 2020 – Apr 2026 |
| Hot Springs 2442DP O-10-61861 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 252K | 240K | Jun 2024 – Apr 2026 |
| Santana 2424SH O-10-54553 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Howard | 1 | 249K | 721K | May 2020 – Apr 2026 |
| Santana 2425SH O-10-54710 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Howard | 1 | 249K | 964K | May 2020 – Apr 2026 |
| Santana 2420SH O-10-54552 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Howard | 1 | 227K | 836K | May 2020 – Apr 2026 |
| Long Spring 3042DP O-10-57549 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 227K | 517K | Mar 2022 – Apr 2026 |
| Radiator Springs 2742DP O-10-62762 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 200K | 340K | Jun 2025 – Apr 2026 |
| Lloyd 42 O-10-42917 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Martin | 6 | 125K | 1.35M | Jun 2012 – Apr 2026 |
| Otb Lloyd 42 O-10-40331 | Resolute Natural Res. Co., LLC only | Spraberry (Trend Area) | Howard | 2 | 113K | 432K | Jul 2010 – Feb 2014 |
| Callie "42-A" O-10-34610 | Patriot Resources, Inc. only | Silver Queen (Penn-Canyon) | Howard | 1 | 74.9K | 129K | Aug 1995 – May 2003 |
| Primero 42 O-10-45570 | Sharp Image Energy, Inc. only | Primero (Wolfcamp, Upper) | Howard | 1 | 74.5K | 119K | Nov 2008 – Aug 2015 |
| Primero 42 O-10-46948 | Sharp Image Energy, Inc. only | Spraberry (Trend Area) | Howard | 1 | 54.7K | 90K | Sep 2015 – Apr 2026 |
| Monty the Aztec 42-43 G O-10-55582 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 1 | 48.7K | 663K | Mar 2021 – Apr 2026 |
| Reed "D-142" O-10-41268 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 4 | 47.2K | 0 | Dec 2011 – Apr 2026 |
| Primero 42 B3 O-10-40750 | Sharp Image Energy, Inc. only | Primero (Wolfcamp, Lower) | Howard | 1 | 31.4K | 19.3K | Nov 2010 – Aug 2015 |
| Reed-McDonald 142 O-10-45450 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 2 | 29.9K | 4.96K | May 2014 – Dec 2021 |
| Primero 42 B3 O-10-46929 | Sharp Image Energy, Inc. only | Spraberry (Trend Area) | Howard | 1 | 28.1K | 22.1K | Sep 2015 – Apr 2026 |
| Rita 42 O-10-46384 | SM Energy Company only | Garden City, S. (Wolfcamp) | Howard | 1 | 20.6K | 45.5K | Apr 2015 – Mar 2021 |
| Primero 42 C O-10-43534 | Sharp Image Energy, Inc. only | Primero (Wolfcamp, Lower) | Howard | 1 | 19.1K | 19.7K | Feb 2013 – Aug 2015 |
| Buchanan 42 O-10-44858 | Bayswater Operating Company LLC only | Spraberry (Trend Area) | Howard | 1 | 10.3K | 37.6K | Aug 2013 – Mar 2021 |