| Locke Partnership O-1-16241 | Gulftex Energy, LLC only | Eagleville (Eagle Ford-1) | McMullen | 3 | 804K | 902K | Aug 2012 – Jul 2026 |
| Blocker O-10-22088 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 5 | 432K | 579K | Jan 1993 – Jul 2026 |
| Bohanan-Blocker 3F O-10-56773 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 423K | 1.01M | Jan 2022 – Jul 2026 |
| Bohanan-Blocker 3B O-10-56651 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 396K | 901K | Jan 2022 – Jul 2026 |
| Bohanan-Blocker 3D O-10-56711 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 312K | 924K | Jan 2022 – Jul 2026 |
| Lockett, Oliver O-7-7977 | Basa Resources, Inc. only | East Texas | — | 5 | 283K | 105K | Jan 1993 – Jul 2026 |
| Bohanan-Blocker 3C O-10-56741 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 247K | 500K | Jan 2022 – Jul 2026 |
| Bohanan-Blocker 3E O-10-56857 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 234K | 441K | Jan 2022 – Jul 2026 |
| Locke O-3-24201 | Pine Ridge Operating, L.P. only | Algoa, West (Frio A) | Brazoria | 1 | 226K | 229K | Mar 2002 – Jul 2026 |
| Blocker-Flanagan 10G O-10-63800 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 222K | 383K | Jan 2025 – Jul 2026 |
| Blocker-Bohanan 10K O-10-63651 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 199K | 238K | Jul 2025 – Jul 2026 |
| Blocker-Flanagan 10H O-10-63650 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 187K | 199K | Jan 2025 – Jul 2026 |
| Blocker-Flanagan 10B O-10-63769 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 182K | 313K | Feb 2025 – Jul 2026 |
| Blocker-Flanagan 10J O-10-63912 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 173K | 225K | Mar 2025 – Jul 2026 |
| Lockett O-7-6264 | Linder, John Operating Co., LLC only | East Texas | — | 5 | 170K | 116K | Jan 1993 – Jul 2026 |
| Blocker -A- O-10-26483 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 4 | 166K | 326K | Jan 1993 – Jul 2026 |
| Locke Partnership F O-1-21597 | Gulftex Energy, LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 162K | 79K | Jun 2024 – Jul 2026 |
| Locke Partnership G O-1-21564 | Gulftex Energy, LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 159K | 79.4K | Jun 2024 – Jul 2026 |
| Blocker-Flanagan 10A O-10-63669 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 157K | 109K | Jan 2025 – Jul 2026 |
| Blocker -B- O-10-26492 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 4 | 155K | 255K | Jan 1993 – Jul 2026 |
| Locke Partnership B O-1-21575 | Gulftex Energy, LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 154K | 85.1K | Jun 2024 – Jul 2026 |
| Locke Partnership E O-1-21563 | Gulftex Energy, LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 153K | 73.7K | Jun 2024 – Jul 2026 |
| Blocker-Flanagan 10E O-10-63702 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 147K | 168K | Jul 2025 – Jul 2026 |
| Blocker-Flanagan 10F O-10-63760 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 146K | 101K | Feb 2025 – Jul 2026 |
| Locke Partnership C O-1-21576 | Gulftex Energy, LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 141K | 77.9K | Jun 2024 – Jul 2026 |
| Blocker-Flanagan 10D O-10-63670 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 135K | 174K | Jan 2025 – Jul 2026 |
| Blocker "24" O-10-36272 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 2 | 116K | 198K | Apr 2000 – Jul 2026 |
| Blocker O-13-28777 | Western Chief Operating, L.L.C. only | McCutchin (Ellenburger) | Wise | 2 | 115K | 137K | Apr 1994 – Jul 2026 |
| Blocker-Flanagan 10I O-10-63709 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 114K | 119K | Feb 2025 – Jul 2026 |
| Sheppard-Anne O-6-13734 | Buffco Production Inc. only | Blocker (Richardson Sand) | Harrison | 1 | 114K | 147K | Sep 1997 – Jul 2026 |
| E. R. Blocker 604 O-14-9663 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 107K | 600K | Jun 2018 – Jul 2026 |
| Lockett, Roy B. O-6-4753 | 84 Energy LLC only | Pittsburg (Sub-Clarksville) | — | 1 | 102K | 21 | Jan 1993 – Jul 2026 |
| E. R. Blocker 504 O-14-9661 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 99.7K | 221K | Aug 2018 – Jul 2026 |
| E. R. Blocker 304 O-14-9662 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 97.6K | 217K | Aug 2018 – Jul 2026 |
| Blocker "24A" O-10-38328 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 2 | 96.4K | 189K | Jul 2007 – Jul 2026 |
| Blocker O-10-39815 | New Height Energy, LLC only | Spraberry (Trend Area) | Martin | 4 | 94.4K | 268K | Dec 2009 – Jul 2026 |
| Locke, Maude O-3-25066 | Holley Oil Company, LLC only | Giddings (Buda) | Brazos | 1 | 90.6K | 62.6K | Jun 2007 – Jul 2026 |
| Blocker -A- O-10-22215 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 2 | 82K | 155K | Jan 1993 – Jul 2026 |
| Blocker O-10-26663 | Cutbow Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 72K | 101K | Jan 1993 – Jul 2026 |
| Wilson, Floyd Oil Unit O-6-12822 | Enpower Resources Inc. only | Blocker (Richardson Sand) | Harrison | 2 | 69.8K | 203K | Jan 1993 – Jul 2026 |
| E. R. Blocker 404 O-14-9665 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 62.9K | 453K | Jun 2018 – Jul 2026 |
| Lockett, R. F. Unit O-6-11216 | 84 Energy LLC only | Pittsburg (Sub-Clarksville) | Camp | 1 | 58.3K | 21 | Jan 1993 – Jul 2026 |
| Lockett O-6-16108 | Rose City Resources, LLC only | Hidden Rock (Cotton Valley Lime) | Cass | 1 | 56.5K | 17.1K | Dec 2024 – Jul 2026 |
| Locker State O-10-46303 | Crescent Energy Operating, LLC only | Wolfbone (Trend Area) | Reeves | 1 | 54.6K | 152K | Mar 2013 – Jul 2026 |
| Washington, Emanuel Oil Unit "A" O-6-10999 | Phillips, Jack L. Co. only | Blocker (Page) | Harrison | 1 | 54.1K | 5.97K | Jan 1993 – Jul 2026 |
| Neal, George #2 O-6-12679 | Enpower Resources Inc. only | Blocker (Richardson Sand) | Harrison | 1 | 53.7K | 325K | Jan 1993 – Jul 2026 |
| Locker, Leona, Unit O-6-4773 | Tower Resources Inc only | Slocum, S. (Sub-Clarksville) | — | 1 | 52.3K | 452K | Jan 1993 – Jul 2026 |
| Lockett O-7-6184 | Linder, John Operating Co., LLC only | East Texas | — | 1 | 51.7K | 2.23K | Jan 1993 – Jul 2026 |
| Blocker "A" O-10-27183 | Cutbow Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 44.9K | 40.4K | Jan 1993 – Jul 2026 |
| Bosh OU O-6-13999 | Enpower Resources Inc. only | Blocker (Richardson Sand) | Harrison | 1 | 42.7K | 172K | Jan 2000 – Jul 2026 |