| Obrien, G. W., Etal O-10-7338 | Two P Partners, LLC | Ward-Estes, North | 2,066 | 31.3M | 30.6M | Jan 1993 – Jul 2026 |
| Hutchings Stock Assn. O-10-7337 | Two P Partners, LLC | Ward-Estes, North | 1,671 | 26.8M | 20.2M | Jan 1993 – Jul 2026 |
| University 19 PW Unit O-10-42401 | Pdeh LLC | Phantom (Wolfcamp) | 73 | 21.9M | 34.1M | Aug 2012 – Jun 2025 |
| Hutchings Stock Association O-10-25374 | Sundown Energy LP | Wagon Wheel (Penn) | 183 | 12.4M | 47.7M | Jan 1993 – Jul 2026 |
| Sealy Ranch O-10-50245 | Halcon Operating Co., Inc. | Phantom (Wolfcamp) | 41 | 6.33M | 17.5M | May 2017 – Jul 2026 |
| UL McNasser 0201-17 O-10-54929 | WPX Energy Permian, LLC | Phantom (Wolfcamp) | 13 | 5.07M | 10.6M | Sep 2020 – Jul 2026 |
| Estes, E. W. O-10-7336 | Two P Partners, LLC | Ward-Estes, North | 241 | 4.7M | 4.8M | Jan 1993 – Jul 2026 |
| Sealy Smith Foundation O-10-4403 | Occidental Permian Ltd. | Monahans (Clear Fork) | 260 | 4.66M | 5.39M | Jan 1993 – Jul 2026 |
| Worsham -42- O-10-28857 | Jetta Operating Company, Inc. | Collie (Delaware) | 43 | 4.01M | 8.79M | Jan 1993 – Jul 2026 |
| University 19 TG Unit O-10-38570 | Pdeh LLC | Two Georges (Bone Spring) | 19 | 4M | 6.22M | Mar 2007 – Jul 2026 |
| UL Loveland 1920-17 O-10-51487 | WPX Energy Permian, LLC | Phantom (Wolfcamp) | 10 | 3.91M | 10.1M | Dec 2018 – Jul 2026 |
| Utl 2635-17 O-10-47896 | Jagged Peak Energy LLC | Phantom (Wolfcamp) | 11 | 3.65M | 6.73M | Apr 2016 – Dec 2024 |
| Utl L. J. Beldin 1211-17 O-10-45123 | Jagged Peak Energy LLC | Phantom (Wolfcamp) | 8 | 3.18M | 5.35M | May 2014 – Jul 2026 |
| Hutchings Stock Assn. O-10-34712 | Sundown Energy LP | Ward-Estes, N. (Wichita-Albany) | 41 | 3.15M | 6.46M | Mar 1995 – Jul 2026 |
| Hutchings Stock Assn. O-10-25599 | Sundown Energy LP | H. S. A. (San Andres) | 51 | 3.06M | 491K | Jan 1993 – Jul 2026 |
| O'Brien, G. W. Etal O-10-26670 | Sundown Energy LP | Wagon Wheel (Penn) | 40 | 3.03M | 7.17M | Jan 1993 – Jul 2026 |
| A Herring 94-93 Unit O-10-49527 | Diamondback E&P LLC | Phantom (Wolfcamp) | 7 | 3.03M | 3.87M | Sep 2017 – Jul 2026 |
| Sealy Smith Foundation O-10-36549 | Occidental Permian Ltd. | Monahans (Wolf.-Ellen., Cons) | 41 | 2.81M | 18M | Jan 2001 – Jul 2026 |
| Alcatraz State 34-141 Unit O-10-49585 | Anadarko E&P Onshore LLC | Phantom (Wolfcamp) | 4 | 2.68M | 4.24M | Aug 2017 – Jul 2026 |
| MI Noche O-10-44236 | XTO Energy Inc. | Wolfbone (Trend Area) | 10 | 2.58M | 15.9M | Apr 2013 – Jul 2026 |
| Rag Run NW O-10-50375 | Apache Corporation | Phantom (Wolfcamp) | 7 | 2.55M | 3.84M | Jun 2018 – Jul 2026 |
| Sage State 34-141 Unit O-10-49916 | Anadarko E&P Onshore LLC | Phantom (Wolfcamp) | 4 | 2.33M | 3.69M | Dec 2017 – Jul 2026 |
| State 5913A GG Houston O-10-49530 | Continental Resources, Inc. | Phantom (Wolfcamp) | 7 | 2.27M | 4.69M | Sep 2017 – Jul 2026 |
| Twofreds, Delaware Field Unit O-10-17356 | Q Natural Resources, LLC | Twofreds (Delaware) | 98 | 2.26M | 6.96M | Jan 1993 – Jul 2026 |
| Shell O-10-28362 | Jetta Operating Company, Inc. | Collie (Delaware) | 21 | 2.22M | 4.68M | Jan 1993 – Jul 2026 |
| Jim Ed O-10-45670 | Crescent Energy Operating, LLC | Phantom (Wolfcamp) | 11 | 2.08M | 4.25M | Mar 2014 – Jul 2026 |
| KHC '33-26' O-10-39289 | Apache Corporation | Phantom (Wolfcamp) | 5 | 2.06M | 2.84M | Feb 2008 – Jul 2026 |
| Shipley Queen Sand Unit O-10-9999 | Trans-Tex Operating LLC | Shipley (Queen Sand) | 177 | 2M | 626K | Jan 1993 – Jul 2026 |
| Rendezvous North Pooled Unit O-10-50227 | Apache Corporation | Phantom (Wolfcamp) | 5 | 1.86M | 2.33M | Apr 2018 – Jul 2026 |
| UL Willow 383633-16 O-10-50120 | WPX Energy Permian, LLC | Phantom (Wolfcamp) | 7 | 1.84M | 2.98M | Dec 2017 – Jul 2026 |
| P C Hill State B 1-12 O-10-44515 | Pdeh LLC | Phantom (Wolfcamp) | 5 | 1.83M | 3.21M | Jun 2013 – Jul 2026 |
| Eiland 1112-GG O-10-49498 | Continental Resources, Inc. | Phantom (Wolfcamp) | 5 | 1.8M | 3.12M | Sep 2017 – Jul 2026 |
| State Email Queen 1359 GG O-10-50436 | Continental Resources, Inc. | Phantom (Wolfcamp) | 4 | 1.8M | 2.74M | Mar 2018 – Jul 2026 |
| H.B. Morrison 'B' O-10-44277 | Diamondback E&P LLC | Phantom (Wolfcamp) | 4 | 1.79M | 1.77M | Mar 2013 – Jul 2026 |
| Quito West Unit O-10-32541 | Seaboard Operating Co. | Quito, West (Delaware) | 64 | 1.78M | 1.01M | Jan 1993 – Jul 2026 |
| UL Guanella 0504-17 O-10-50177 | WPX Energy Permian, LLC | Phantom (Wolfcamp) | 3 | 1.77M | 3.02M | Aug 2017 – Jul 2026 |
| Mobil O-10-27540 | Jetta Operating Company, Inc. | Collie (Delaware) | 18 | 1.76M | 4.2M | Jan 1993 – Jul 2026 |
| Cadenhead 18 O-10-42498 | Petro-Hunt Permian, LLC | Two Georges (Bone Spring) | 6 | 1.72M | 2.93M | Feb 2012 – Jul 2026 |
| State Eiland Unit 7-33 O-10-47909 | Continental Resources, Inc. | Phantom (Wolfcamp) | 3 | 1.72M | 3.22M | Apr 2016 – Jul 2026 |
| Utl 2932-17 O-10-48635 | Jagged Peak Energy LLC | Phantom (Wolfcamp) | 3 | 1.71M | 2.17M | Jul 2016 – Jul 2026 |
| Condiment King 6920A-34 O-10-50259 | Continental Resources, Inc. | Phantom (Wolfcamp) | 7 | 1.7M | 4.19M | Mar 2018 – Jul 2026 |
| Assault 126 O-10-48392 | Manti Tarka Permian OP, LLC | Phantom (Wolfcamp) | 6 | 1.69M | 3.47M | Jul 2016 – Jul 2026 |
| RK-Utl 3031B-17 O-10-48527 | Jagged Peak Energy LLC | Phantom (Wolfcamp) | 3 | 1.66M | 2.12M | Dec 2016 – Jul 2026 |
| Benjamin O-10-36128 | Point Energy Partners Petro, LLC | War-Wink, W. (Wolfcamp) | 8 | 1.61M | 2.23M | Sep 1999 – Aug 2023 |
| Elmer 33-67 O-10-42530 | TRP Operating LLC | Two Georges (Bone Spring) | 10 | 1.6M | 3.76M | Feb 2012 – Jul 2026 |
| State Lokai Unit O-10-49972 | Diamondback E&P LLC | Phantom (Wolfcamp) | 3 | 1.54M | 3.47M | Jul 2017 – Jul 2026 |
| Verde State 34-153 Unit O-10-49642 | Anadarko E&P Onshore LLC | Phantom (Wolfcamp) | 2 | 1.52M | 2.39M | Sep 2017 – Jul 2026 |
| Eiland 0812A-GG Houston O-10-48902 | Continental Resources, Inc. | Phantom (Wolfcamp) | 5 | 1.51M | 3.03M | May 2017 – Jul 2026 |
| H.B. Morrison O-10-47798 | Diamondback E&P LLC | Phantom (Wolfcamp) | 7 | 1.51M | 4.34M | Jun 2016 – Jul 2026 |
| Colt 34-103 O-10-43423 | Diamondback E&P LLC | Two Georges (Bone Spring) | 7 | 1.49M | 2.31M | Jul 2012 – Jul 2026 |