| State Crimm 0-65X67 G-10-282025 | BPX Operating Company only | Ford, West (Wolfcamp) | Reeves | 1 | 621K | 4.41M | Dec 2015 – Apr 2026 |
| Townsen 24265 Alloc. A G-10-286795 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 535K | 4.59M | Mar 2019 – Apr 2026 |
| Jayhawk State Unit 65-64 G-10-297231 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 477K | 1.7M | Oct 2023 – Apr 2026 |
| Jayhawk State Unit 65-64 G-10-296913 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 429K | 1.57M | Oct 2023 – Apr 2026 |
| Pocono 65 G-10-295026 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 418K | 2.12M | Feb 2023 – Apr 2026 |
| Jayhawk State Unit 65-64 G-10-297322 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 383K | 1.22M | Oct 2023 – Apr 2026 |
| McMillan Unit G-3-169272 | Carrizo Oil & Gas, Inc. only | W. D. McMillan (Yegua 9650) | Wharton | 1 | 381K | 2.61M | Jun 1998 – Mar 2003 |
| Jayhawk Unit 65 G-10-297052 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 339K | 1.26M | Oct 2023 – Apr 2026 |
| Davis 65 G-14-268119 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 243K | 895K | Oct 2011 – Apr 2026 |
| Davis 65 G-14-275154 | Unbridled Resources, LLC only | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 235K | 9.25M | May 2014 – Apr 2026 |
| Jayhawk State Unit 65-64 G-10-297178 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 228K | 1.12M | Oct 2023 – Apr 2026 |
| Jayhawk Alloc 66-65 G-10-297653 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 221K | 833K | Feb 2024 – Apr 2026 |
| Jayhawk State Unit 65-64 G-10-297654 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 213K | 954K | Oct 2023 – Apr 2026 |
| Kelln 65 G-14-278247 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 211K | 804K | Feb 2014 – Apr 2026 |
| Davis 65 G-14-267422 | Unbridled Resources, LLC only | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 210K | 5.68M | Aug 2012 – Apr 2026 |
| Davis 65 G-14-267920 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 171K | 1.07M | Jan 2013 – Apr 2026 |
| State Tract 65 G-3-176364 | Vintage Petroleum, Inc. only | Umbrella Point (F-28) | Chambers | 1 | 169K | 21.8M | Jul 1999 – Jun 2003 |
| Patman G-2-249326 | Dallas Petroleum Group, LLC only | Mauritz, West (6550) | Jackson | 1 | 168K | 391K | Apr 2009 – Aug 2016 |
| McMillian, W. D. G-3-167641 | Carrizo Oil & Gas, Inc. only | W. D. McMillan (Yegua 9650) | Wharton | 1 | 166K | 3.15M | Apr 1998 – Nov 2001 |
| Pocono 65 G-10-295024 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 158K | 1.2M | Feb 2023 – Apr 2026 |
| Kelln 65 G-14-278474 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 155K | 787K | Apr 2014 – Apr 2026 |
| Davis 65 G-14-267462 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 141K | 915K | Sep 2012 – Apr 2026 |
| Davis 65 G-14-267652 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 135K | 723K | Sep 2012 – Apr 2026 |
| Kirby G-3-197424 | Petrovybe Opco LLC only | CLEVELAND,S.(6550) | Liberty | 1 | 135K | 326K | Sep 2003 – Apr 2026 |
| Kelln 65 G-14-278489 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 129K | 771K | May 2014 – Apr 2026 |
| Pocono 65 G-10-295089 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 117K | 1.17M | Feb 2023 – Apr 2026 |
| Ben Parnell 165 Lip G-14-274437 | Unbridled Resources, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 117K | 670K | Apr 2014 – Apr 2026 |
| Pocono 65 G-10-295025 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 114K | 1.08M | Feb 2023 – Apr 2026 |
| Parnell Ranch 165 G-14-277212 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 107K | 722K | Oct 2013 – Apr 2026 |
| Pocono 65 G-10-295078 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 102K | 572K | Feb 2023 – Apr 2026 |
| Mathers Ranch 165 (Allocation) G-14-279217 | Mmgl Txph, LLC only | Mathers Ranch (Granite Wash) | Hemphill | 1 | 97.1K | 3.4M | Jan 2014 – Apr 2026 |
| Hite G-3-176857 | Hilcorp Energy Company only | W. D. McMillan (Yegua 9650) | Wharton | 1 | 94K | 423K | Jan 2000 – Feb 2002 |
| Davis 65 G-14-267471 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 92.1K | 635K | Sep 2012 – Apr 2026 |
| Davis 65 G-14-269429 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 91.7K | 1.38M | Feb 2013 – Apr 2026 |
| Sansel Gas Unit G-2-106003 | Dune Operating Company only | Malo Domingo (Wilcox 10650) | Karnes | 1 | 90.4K | 3M | Jan 1993 – Feb 2009 |
| Parnell Ranch 165 G-14-274206 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 90.2K | 703K | Jul 2013 – Apr 2026 |
| Davis 65 G-14-270898 | Unbridled Resources, LLC only | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 89K | 3.22M | Sep 2013 – Apr 2026 |
| Davis 65 G-14-271838 | Unbridled Resources, LLC only | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 83.7K | 3.01M | Dec 2013 – Apr 2026 |
| M Half Circle Ranch G-3-206072 | Square Mile Energy, L.L.C. only | M Half Circle (10965) | Jefferson | 1 | 75.6K | 556K | Dec 2004 – Aug 2006 |
| Mathers 1518-165 G-14-283066 | Mmgl Txph, LLC only | Mathers Ranch (Granite Wash) | Hemphill | 1 | 70.5K | 2.52M | May 2017 – Apr 2026 |
| Pocono 65 G-10-284074 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 70.3K | 582K | Jul 2011 – Apr 2023 |
| Davis 65 G-14-259916 | Unbridled Resources, LLC only | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 68.5K | 1.79M | Feb 2011 – Jul 2025 |
| Cook 665 G-14-285503 | Presidio Petroleum LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 66.8K | 584K | Jun 2018 – Apr 2026 |
| State Tract 65 G-3-167739 | Vintage Petroleum, Inc. only | White Heron, N. (Price Sd.) | Chambers | 1 | 57.1K | 1.76M | Jan 1998 – Aug 1998 |
| State Tract 65 G-3-200877 | Davis Petroleum Corp. only | Umbrella Point (F-28) | Chambers | 1 | 52.7K | 4.59M | Jan 2004 – Oct 2009 |
| State Tract 563-L G-2-114520 | Reunion Energy Company only | Matagorda Block 563-L (6517) | Matgrda IS-LB | 1 | 52.3K | 127K | Jan 1993 – Apr 1994 |
| M Half Circle Ranch G-3-211967 | Square Mile Energy, L.L.C. only | M Half Circle (10965) | Jefferson | 1 | 51.3K | 1.04M | Jul 2005 – Feb 2007 |
| Kaup Unit G-2-240638 | Zachry Exploration, LLC only | Largo Navidad (6560) | Jackson | 1 | 50.9K | 6.82M | Sep 2008 – Sep 2024 |
| Shay G-2-221898 | Paloma Operating, LLC only | Refugio Old (6550 Frio) | Refugio | 1 | 41.8K | 71.1K | Sep 2006 – Feb 2023 |
| Kresta G-3-198554 | CML Exploration, LLC only | W. D. McMillan (Yegua 9650) | Wharton | 1 | 38.2K | 350K | Aug 2003 – Dec 2004 |