| Goldsmith, C. A., Etal O-10-2290 | XTO Energy Inc. only | Goldsmith (5600) | Ector | 699 | 8.37M | 9.94M | Jan 1993 – Sep 2006 |
| Goldsmith Adobe Unit O-10-18713 | Neg Operating LLC only | Goldsmith (5600) | Ector | 327 | 4.96M | 5.07M | Jan 1993 – Oct 2006 |
| Cowden, Clyde O-10-2309 | Conocophillips Company only | Goldsmith (5600) | Ector | 87 | 2.6M | 4.04M | Jan 1993 – Oct 2006 |
| Hera 56-46 Unit 1 O-10-60190 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 13 | 2.2M | 4.85M | Feb 2025 – Apr 2026 |
| Sam Prewitt 255-256 Unit A O-10-50799 | Noble Energy Inc only | Wolfbone (Trend Area) | Reeves | 4 | 1.31M | 2.22M | Apr 2018 – Apr 2026 |
| Scott Sugg 5657 O-9-18531 | Apache Corporation only | Lin (Wolfcamp) | Irion | 8 | 1.22M | 14.5M | Jul 2014 – Apr 2026 |
| Higg Ranch 456 O-11-69734 | Gungoll, Carl E. Exploration LLC only | Wasson | Gaines | 16 | 1.16M | 536K | Aug 2011 – Jul 2021 |
| Chevron Unit 03-56 O-10-55261 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 7 | 1.14M | 1.98M | Feb 2020 – Mar 2026 |
| Tom O'CONNOR(5600 Foot Sand)unit O-2-8950 | Hilcorp Energy Company only | Tom O'Connor (5600 Foot Sand) | Refugio | 59 | 1.13M | 357K | Mar 2005 – Apr 2026 |
| Walker-Drrc West Unit 30-56 O-10-55549 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 3 | 1M | 1.99M | Dec 2020 – Mar 2026 |
| Sam Prewitt 255-256 Unit C O-10-53772 | Noble Energy Inc only | Phantom (Wolfcamp) | Reeves | 3 | 964K | 1.97M | Aug 2019 – Apr 2026 |
| Chevy Blazer 56-T3-20X17 O-10-52704 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 885K | 3.67M | Jan 2019 – Apr 2026 |
| Walker-Drrc East Unit 30-56 O-10-57469 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 3 | 876K | 1.74M | Mar 2022 – Mar 2026 |
| Nessie 56-2-35 Unit O-10-49032 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 790K | 3.19M | May 2017 – Apr 2026 |
| Sasquatch State 56-2-38 Unit O-10-49062 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 755K | 2.7M | May 2017 – Apr 2026 |
| Fuzz (Strawn 5600) Unit O-8-24883 | Walsh & Watts, Inc. only | Fuzz (Strawn 5600) | Stonewall | 17 | 718K | 152K | Jan 1993 – Oct 2018 |
| I.P. Farms O-3-23415 | Messy Oil and Gas, LLC only | Danbury Dome (5655 Sand) | Brazoria | 4 | 664K | 2.31M | Oct 1997 – Jul 2021 |
| Sam Prewitt 255-256 D-1 O-10-52840 | Noble Energy Inc only | Phantom (Wolfcamp) | Reeves | 1 | 643K | 1.66M | Aug 2019 – Apr 2026 |
| State Daltexas Ranger 56-T2-2X11 O-10-48609 | BPX Operating Company only | Phantom (Wolfcamp) | Loving | 1 | 582K | 1.99M | Nov 2016 – Apr 2026 |
| Neal Ranch "56" O-9-16698 | COG Operating LLC only | Spraberry (Trend Area) | Upton | 8 | 565K | 980K | Sep 2009 – Apr 2026 |
| Overlord 21-56 A O-10-63678 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 5 | 560K | 806K | Nov 2025 – Apr 2026 |
| Keeran O-2-8806 | Scout Energy Ltd Liability Co only | Koontz (5600) | Victoria | 3 | 509K | 909K | Jun 2003 – Apr 2026 |
| Hill and Meeker 56-T2-22 O-10-45583 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 499K | 1.75M | Jun 2014 – Apr 2026 |
| Medicine Bow 56-2-1 Unit O-10-48452 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 499K | 1.42M | Dec 2016 – Apr 2026 |
| State Tunstill 56-T2-6 O-10-46636 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 484K | 1.87M | Sep 2014 – Apr 2026 |
| Lowe Royalty Partners 56-T2-20 O-10-45052 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 465K | 1.8M | Aug 2013 – Apr 2026 |
| Stork 155-156 Unit O-10-55638 | Crescent Energy Operating, LLC only | Hoefs T-K (Wolfcamp) | Reeves | 1 | 464K | 1.21M | Apr 2021 – Apr 2026 |
| S.T. 560-L (SW) Unit O-2-9427 | Hall-Houston Expl. II, L.P. only | Matagorda 560-L (7250 Sand) | Matgrda IS-LB | 1 | 425K | 1.04M | Jul 2009 – Jul 2012 |
| Lake Pasture /FT-569/ Field Unit O-2-4763 | Hilcorp Energy Company only | Lake Pasture (FT-569) | Refugio | 24 | 424K | 955K | Jan 1993 – Apr 2026 |
| State Tunstill 56-T2-10 O-10-45440 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 424K | 1.79M | Jun 2014 – Apr 2026 |
| Mc Camey Forrest 56-T2-16 O-10-45504 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 408K | 1.32M | Apr 2014 – Apr 2026 |
| Trees State 56-57-AZ O-10-52750 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Pecos | 2 | 369K | 370K | Jun 2019 – Apr 2026 |
| JL McMaster 155-156 (Alloc-C) O-9-18823 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 365K | 2.47M | Dec 2014 – Apr 2026 |
| Cwei-CHK 256-13 O-10-43838 | Noble Energy Inc only | Wolfbone (Trend Area) | Reeves | 2 | 363K | 693K | Oct 2012 – Dec 2019 |
| Brown State 56-T3-2 O-10-46970 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 340K | 1.6M | Dec 2014 – Apr 2026 |
| Herndon 'a' 567 O-14-8095 | Courson Oil & Gas, Inc. only | Pan Petro (Cleveland) | Ochiltree | 3 | 339K | 1.29M | Dec 2009 – Apr 2026 |
| Oldham Trust West Long 25-56 O-10-59911 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 329K | 654K | Oct 2022 – Mar 2026 |
| Trees State 56-57-A O-10-54016 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Pecos | 1 | 314K | 377K | Jun 2019 – Apr 2026 |
| Meadows, Effie Mae O-14-2169 | Texas Operating Partners LLC only | Hutch (Penn. 5650) | Hutchinson | 3 | 312K | 45K | Jan 1993 – Apr 2026 |
| Mabee Dda F56 O-10-61094 | COG Operating LLC only | Spraberry (Trend Area) | Andrews | 1 | 312K | 371K | May 2024 – Apr 2026 |
| Magellan 356AP O-9-21510 | OXY USA WTP LP only | Spraberry (Trend Area) | Reagan | 1 | 305K | 1.02M | Aug 2021 – Apr 2026 |
| JL McMaster 155-156 (Alloc-A) O-9-19492 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 301K | 3.32M | Feb 2017 – Apr 2026 |
| Rayford, O. L. O-6-10961 | Linder, John Operating Co., LLC only | Chapel Hill, E. (Paluxy 5600) | Smith | 2 | 298K | 213 | Jan 1993 – Apr 2026 |
| Bruce and Bar A55A56-2303 O-10-50596 | Formentera Operations LLC only | Emperor (Woodford Shale) | Winkler | 1 | 291K | 120K | May 2017 – Apr 2026 |
| JL McMaster 155-156 (Alloc-G) O-9-18826 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 286K | 1.47M | Nov 2014 – Apr 2026 |
| CBR 20-17L-56-1 O-10-60329 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Loving | 1 | 280K | 1.32M | Aug 2023 – Mar 2026 |
| Naylor Jones Unit 56 O-1-17774 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | La Salle | 1 | 279K | 627K | Jun 2014 – Apr 2026 |
| JL McMaster 155-156 (Alloc-E) O-9-19475 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 276K | 3.12M | Feb 2017 – Apr 2026 |
| Neal Ranch '56' Unit O-9-19030 | COG Operating LLC only | Spraberry (Trend Area) | Upton | 1 | 271K | 696K | Apr 2015 – Apr 2026 |
| Courson Herndon 656/577 O-14-9785 | Mewbourne Oil Company only | Allen-Parker (Marmaton) | Ochiltree | 2 | 266K | 1.74M | Mar 2022 – Apr 2026 |