| Little Willie B O-1-21986 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 126K | 395K | Mar 2026 – Aug 2026 |
| Little-Pyeatt 30-19 ME WX G-14-284576 | Mmgl Txph, LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 120K | 5.69M | Jan 2018 – Aug 2026 |
| Maggie O-9-16274 | Sawyer Oil & Gas LLC only | Little Dog (Camar) | Menard | 1 | 116K | 13.9K | Mar 2007 – Aug 2026 |
| Little, T. A.gas Unit G-3-137794 | Parten Operating Inc. only | Fort Trinidad (Glen Rose -D-) | Houston | 1 | 113K | 2.88M | by Jan 1993 – Jun 2026 |
| Little Bear 207.5-1 Unit O-10-53860 | Diamondback E&P LLC only | Hoefs T-K (Wolfcamp) | Pecos | 1 | 109K | 1.69M | Jan 2020 – Aug 2026 |
| McFaddin Ranch "A" O-13-20707 | Bbe Production, LLC only | Little Giant (Tannehill) | Knox | 4 | 108K | 166 | by Jan 1993 – Aug 2026 |
| Little O-9-6242 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Reagan | 4 | 106K | 888K | by Jan 1993 – Aug 2026 |
| Stark, Nelda C. G-3-181866 | Lake Ronel Oil Company only | Little Cypress (Hackberry) | Orange | 1 | 102K | 2.01M | Feb 2001 – Jun 2004 |
| McFadden O-13-32460 | M. E. Operating & Services, Inc. only | Little Giant (Tannehill) | Knox | 7 | 96.9K | 0 | Mar 2013 – Aug 2026 |
| Gee, H. W. O-4-12484 | Little, Lou Operating Co., Inc. only | Agua Dulce (Coover) | Nueces | 2 | 92.3K | 271K | Jul 1995 – Sep 2002 |
| Little-Dukes Unit O-1-16272 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 91.1K | 430K | Mar 2012 – Aug 2026 |
| Reynolds, Amanda O-14-541 | Little Oil & Gas only | Panhandle Gray County Field | Gray | 6 | 86.9K | 73.5K | by Jan 1993 – Aug 2026 |
| Little Fundamental 4-52 O-10-49896 | Centennial Resource Prod, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 86.3K | 311K | Jun 2017 – Oct 2017 |
| Little 162 O-1-12785 | Hawthorn Energy Partners, LLC only | Pearsall (Austin Chalk) | Zavala | 1 | 86.2K | 74.7K | Sep 1995 – Feb 2015 |
| Beever/Little O-1-8218 | Texan Production Company, Inc. only | Pearsall (Austin Chalk) | Frio | 7 | 83.6K | 61.2K | by Jan 1993 – Mar 1999 |
| Mitchell O-9-18748 | White Rock Oil & Gas, LLC only | Little Mesa (Wolfcamp) | Terrell | 1 | 79.1K | 330K | Aug 2014 – Aug 2026 |
| Little 30-43 ME EX G-14-295072 | Mmgl Txph, LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 77.8K | 2.88M | Mar 2022 – Aug 2026 |
| Kramer O-2-9235 | Southcoast Production Inc only | Little Kentucky (Frio 6200) | Jackson | 2 | 75.3K | 95.5K | Jun 2008 – Jan 2024 |
| Little, Jessie O-8-3071 | Scout Energy Management LLC only | White Flat | Nolan | 3 | 75.3K | 113K | by Jan 1993 – Jan 2021 |
| University 32 O-10-36034 | Felix Water, LLC only | Little Joe (Delaware) | Winkler | 1 | 73.3K | 83.2K | May 1999 – Oct 2019 |
| Hill, J. W. O-8-27215 | Kerr-McGee Oil & Gas Onshore LLC only | Little Buffalo Hill (Miss.) | Stephens | 1 | 72.2K | 74K | Jun 1994 – Oct 2000 |
| H T Newman Estate O-6-14726 | Newman Corporation only | Little Cypress Bottom (Petit) | Harrison | 1 | 71.4K | 14.7K | Dec 2007 – Apr 2022 |
| Smith, Elsie P. O-13-21778 | Schlittler, Willard only | Farmer (Caddo) | Archer | 4 | 65.5K | 677 | by Jan 1993 – Aug 2026 |
| Poet O-13-28149 | Little, Quintin Company,inc.,the only | Southmayd, North (Baker-Viola) | Grayson | 2 | 65.5K | 75.8K | by Jan 1993 – Aug 2026 |
| Tema Little O-8-32002 | Scout Energy Management LLC only | White Flat (Strawn) | Nolan | 3 | 64.3K | 43.2K | Aug 2014 – Aug 2026 |
| Chambers, J.C. O-13-28369 | Little, Quintin Company,inc.,the only | Sandusky (Pennsylvanian) | Grayson | 2 | 63.6K | 111 | by Jan 1993 – May 2019 |
| Patman O-2-10479 | Rincon Petroleum Corporation only | Little Kentucky (Frio 5650) | Jackson | 1 | 63.3K | 111K | Mar 2013 – Jul 2026 |
| Little Joe G-3-281694 | Small, R.P. Corp. only | Deep Pines (Wdbn AC) | San Jacinto | 1 | 62.6K | 888K | Mar 2014 – Aug 2026 |
| Johnston & Parr Unit O-1-10127 | Sellers Lease Service, Inc. only | Little New York | Gonzales | 5 | 61.1K | 60 | by Jan 1993 – Aug 2026 |
| University "36" O-10-23374 | Shell Western E&P only | Little Joe (Delaware) | Winkler | 1 | 61K | 79.6K | by Jan 1993 – Feb 2016 |
| University -37- O-10-21026 | Shell Western E&P only | Little Joe (Delaware) | Winkler | 4 | 59.3K | 455K | by Jan 1993 – Dec 2015 |
| Sherman Municipal O-13-28593 | Little, Quintin Company,inc.,the only | Sherman Airport (Baker) | Grayson | 1 | 58.5K | 1.32M | Feb 1993 – Aug 2026 |
| Johnston, Joe H. O-1-9193 | Sellers Lease Service, Inc. only | Little New York | Gonzales | 8 | 57.9K | 815 | by Jan 1993 – Aug 2026 |
| Kramer O-2-7384 | Ffa Petroleum Services, Inc. only | Little Kentucky (Frio 6630) | Jackson | 1 | 56.3K | 11.9K | Feb 1993 – Oct 2003 |
| Little, Jessie O-8-26618 | Scout Energy Management LLC only | White Flat (Noodle Creek) | Nolan | 1 | 56.1K | 5.27K | by Jan 1993 – Nov 1999 |
| Day O-11-70493 | M. E. Operating & Services, Inc. only | Littlefield (San Andres) | Lamb | 3 | 53.3K | 0 | Jul 2016 – Aug 2026 |
| Little Sonny O-1-13744 | Ingram, J. Oil & Gas, Inc. only | Pearsall (Austin Chalk) | Dimmit | 1 | 52.6K | 22.4K | Feb 1993 – Feb 2020 |
| Q. Little O-13-30686 | Flintlock Exploration, LLC only | Big Mineral Creek (Viola) | Grayson | 1 | 52.5K | 2.2M | Feb 2006 – Aug 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. W. O-2-3762 | Summit Resources Mgmt., LLC. only | Zarsky, S. (Frio 8300) | Refugio | 1 | 51.1K | 22 | by Jan 1993 – Oct 2006 |
| Little G-14-267217 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 49.7K | 967K | Mar 2012 – Aug 2026 |
| Nail "23" O-10-34825 | Katsco Energy, Inc. only | Little Pig (Strawn) | Mitchell | 1 | 49K | 484K | Nov 1995 – Mar 2002 |
| Independence 25 O-9-13867 | White Rock Oil & Gas, LLC only | Little Mesa (Wolfcamp) | Terrell | 1 | 48.8K | 139K | May 1995 – Aug 2026 |
| McFaddin Ranch "E" O-13-31083 | Bridwell Oil Co. only | Little Giant (Tannehill) | Knox | 3 | 48.4K | 0 | Sep 2008 – May 2024 |
| Littlefield San Andres Fld. Unit O-11-60085 | WG Oil, LLC only | Littlefield (San Andres) | Lamb | 19 | 47.9K | 154 | by Jan 1993 – Apr 2020 |
| Schlittler O-13-13355 | Safari Resources, LLC only | Young County Regular | Young | 3 | 47.1K | 250K | by Jan 1993 – Jul 2026 |
| Koch Little '779' G-14-270438 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 47.1K | 881K | Dec 2012 – Aug 2026 |
| J. Little et al Unit O-1-13149 | Sage Energy Company only | Pearsall (Austin Chalk) | Zavala | 2 | 45.7K | 9.95K | by Jan 1993 – Feb 2012 |
| Little O-4-11740 | Allegro Investments, Inc. only | Hibernia (Thomason Sd.) | San Patricio | 1 | 44.6K | 47 | by Jan 1993 – Sep 2004 |
| Karissa State O-9-18747 | White Rock Oil & Gas, LLC only | Little Mesa (Wolfcamp) | Terrell | 1 | 44.1K | 450K | Aug 2014 – Aug 2026 |