| Little Fundamental 4-52 G-10-287157 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 289K | 1.41M | Nov 2017 – Apr 2026 |
| Stark, Nelda C. G-3-180258 | Lake Ronel Oil Company only | Little Cypress (Hackberry) | Orange | 1 | 204K | 6.85M | Jun 2000 – Nov 2013 |
| Little G-14-264473 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 149K | 2.45M | Sep 2011 – Apr 2026 |
| Little-Pyeatt 30-19 ME WX G-14-284576 | Mmgl Txph, LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 119K | 5.64M | Jan 2018 – Apr 2026 |
| Little, T. A.gas Unit G-3-137794 | Parten Operating Inc. only | Fort Trinidad (Glen Rose -D-) | Houston | 1 | 113K | 2.88M | Jan 1993 – Apr 2026 |
| Stark, Nelda C. G-3-181866 | Lake Ronel Oil Company only | Little Cypress (Hackberry) | Orange | 1 | 102K | 2.01M | Feb 2001 – Jun 2004 |
| Little 30-43 ME EX G-14-295072 | Mmgl Txph, LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 75.7K | 2.78M | Mar 2022 – Apr 2026 |
| Little Joe G-3-281694 | Small, R.P. Corp. only | Deep Pines (Wdbn AC) | San Jacinto | 1 | 61.8K | 876K | Mar 2014 – Mar 2026 |
| Little G-3-262180 | Sem Operating Company LLC only | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 51.7K | 124K | Dec 2010 – Aug 2014 |
| Little G-14-267217 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 49.5K | 960K | Mar 2012 – Apr 2026 |
| Koch Little '779' G-14-270438 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 46.7K | 873K | Dec 2012 – Apr 2026 |
| Little Willie A G-1-300690 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 46.3K | 74.8K | Mar 2026 – Apr 2026 |
| Little Willie B G-1-300700 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 42.6K | 74.2K | Mar 2026 – Apr 2026 |
| Littleton G-13-274920 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 36.1K | 472K | Sep 2007 – Jun 2019 |
| Littleton G-13-274342 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 34.9K | 260K | Jul 2007 – Jan 2020 |
| Koch-Little G-14-208984 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 26.4K | 409K | Jan 2005 – Dec 2022 |
| University 39-21 G-10-93163 | Continental Resources, Inc. only | Little Joe (Ellenburger) | Winkler | 1 | 25.4K | 10M | Jan 1993 – Feb 2025 |
| Ford, Hugh M. G-5-173431 | Craton Operating LLC only | Little Buddy (Cotton Valley Lime | Freestone | 1 | 24.7K | 1.35M | Apr 1999 – Apr 2026 |
| Little G-6-278382 | Trailblazer Energy Resources,llc only | Eastham State Farm (Glenrose) | Houston | 1 | 22.9K | 78K | Sep 2014 – Apr 2026 |
| Little-Pyeatt 30-19 ME EX G-14-294710 | Mmgl Txph, LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 20.5K | 993K | Mar 2022 – Apr 2026 |
| Riley-Little Brook (SA) G-13-271029 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 17.9K | 1.75M | Dec 2013 – Apr 2026 |
| Riley-Little Brook (SA) G-13-271539 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 17.6K | 2.79M | Jun 2013 – Apr 2026 |
| Koch-Little G-14-145495 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 17.4K | 409K | May 1993 – Mar 2026 |
| Littleton Lake G-6-233685 | RFE Operating, LLC only | Woodlawn (Cotton Valley) | Marion | 1 | 16.8K | 1.16M | Sep 2006 – Sep 2023 |
| Little Estate G-6-237618 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 15.2K | 386K | Nov 2008 – Feb 2020 |
| Little Hoss 7 G-13-237534 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 13.8K | 1.34M | Dec 2007 – Apr 2026 |
| Riley-Little Brook (SA) G-13-272032 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 13.5K | 2.52M | Jan 2014 – Apr 2026 |
| Little, J. A. G-14-276129 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 13.3K | 1.02M | Mar 2014 – Apr 2026 |
| Hodge G-3-279736 | Ballard Exploration Company,inc. only | Little Lake (Yegua) | Matagorda | 1 | 13K | 422K | Jun 2014 – Apr 2016 |
| McKamy-Little Unit G-13-206999 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 12.8K | 2.47M | Jan 2005 – Apr 2026 |
| Risley, Mamie Pearl G-14-147287 | Little, Quintin Company,inc.,the only | Hemphill (Granite Wash.) | Hemphill | 1 | 12.3K | 1.94M | Sep 1993 – Aug 2018 |
| Ford, Hugh M. G-5-66753 | Cl&f Operating LLC only | Little Buddy (Cotton Valley Lime | Freestone | 1 | 12.3K | 454K | Jan 1993 – Aug 2010 |
| Little Hoss G-13-227264 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 12.2K | 371K | Feb 2007 – Aug 2022 |
| Riley-Little Brook (SA) G-13-272031 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 11.3K | 2.01M | Dec 2013 – Apr 2026 |
| Riley-Little Brook (SA) G-13-271342 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 11.2K | 1.85M | Dec 2013 – Apr 2026 |
| Little Hoss 7 G-13-239433 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 11K | 1.36M | Dec 2007 – May 2015 |
| Cheney-Guss Unit G-2-229823 | Little, Lou Operating Co., Inc. only | Speaks (5260 Yegua) | Lavaca | 1 | 10.9K | 910K | Aug 2007 – Oct 2011 |
| Little Teresa G-6-226111 | Enerquest Corporation only | Naconiche Creek (Rod.-TP Cons.) | Rusk | 1 | 10.9K | 380K | Nov 2006 – Jul 2025 |
| Littlejohn G-6-281841 | Valence Operating Company only | Chapel Hill (Cotton Valley) | Smith | 1 | 10.6K | 2.39M | Oct 2016 – Apr 2026 |
| Riley-Little Brook (SA) G-13-270841 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 10.3K | 2.41M | Dec 2013 – Apr 2026 |
| Simmons Unit G-2-220875 | United Texas Oil LLC only | Weesatche, NE. (Little Sand) | Goliad | 1 | 10K | 552K | Aug 2005 – Mar 2026 |
| Little Hoss G-13-246562 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 9.93K | 854K | Feb 2007 – Apr 2026 |
| Little Hoss G-13-262882 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 9.92K | 1.37M | Dec 2011 – Apr 2026 |
| Little G-14-200316 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 9.47K | 99.6K | Mar 2004 – May 2019 |
| McKamy-Little Unit G-13-193145 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 9.11K | 784K | Nov 2002 – Apr 2026 |
| Little Hoss G-13-239512 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 9.07K | 917K | Jul 2007 – Apr 2026 |
| Little Hoss G-13-245926 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 9.02K | 796K | May 2008 – Apr 2026 |
| Little Hoss G-13-239516 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 8.64K | 820K | Jul 2007 – May 2023 |
| Little Hoss G-13-245712 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 8.54K | 662K | Jul 2007 – Aug 2025 |
| Little Hoss 7 G-13-231817 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 7.96K | 1.26M | Jul 2007 – Apr 2026 |