| Whiteface Unit O-11-60232 | Double Barrel Oil LLC only | Levelland | Cochran | 188 | 4.21M | 1.27M | by Jan 1993 – Apr 2026 |
| Barrett Unit A O-2-10280 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 8 | 2.82M | 8.39M | Feb 2013 – Apr 2026 |
| Fort Stockton Unit O-10-18342 | Double Barrel Oil LLC only | Fort Stockton | Pecos | 120 | 1.1M | 2.49M | by Jan 1993 – Apr 2026 |
| Barre Unit O-1-17308 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 3 | 878K | 1.21M | Oct 2013 – Apr 2026 |
| Marshall, Mary Ann O-3-17816 | Valence Operating Company only | FT Trinidad-Barrett,e.(dexter) | Madison | 1 | 330K | 86 | by Jan 1993 – Aug 2024 |
| Hensarling, H.L. O-3-14316 | Gsi Oil & Gas, Inc. only | FT Trinidad-Barrett,e.(dexter) | Madison | 2 | 309K | 23.2K | by Jan 1993 – Aug 2017 |
| Pitts O-11-68153 | Barrett Brothers Oil & Gas, Inc. only | Tucker-West Point (Fusselman) | Lynn | 1 | 262K | 0 | Jan 2000 – May 2009 |
| Barrett 1011 O-10-50653 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Martin | 1 | 240K | 86.5K | Jun 2018 – Apr 2026 |
| Lawson "A" O-11-63767 | Double Barrel Oil LLC only | Levelland | Hockley | 8 | 235K | 3.18K | by Jan 1993 – Apr 2026 |
| Barrett O-3-25687 | Vess Oil Corporation only | Madisonville, W. (Woodbine -A-) | Madison | 1 | 220K | 217K | Jul 2011 – Apr 2026 |
| Klumpp-Barrera O-4-13982 | Logas Energy, LLC only | La Gloria (Atlee -B- Zone) | Brooks | 2 | 189K | 161K | Feb 2016 – Jul 2019 |
| Barrett, J. B. O-14-625 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 17 | 183K | 438K | by Jan 1993 – Apr 2026 |
| Barrera G-3-146859 | Rosewood Resources, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 179K | 1.53M | Aug 1993 – Feb 2001 |
| Panther Hollow Unit 1 O-1-18694 | Single Barrel Oil and Gas LLC only | Briscoe Ranch (Eagleford) | Frio | 1 | 164K | 343K | Nov 2015 – Apr 2026 |
| Barrett O-3-27213 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 159K | 1.23M | Apr 2016 – Apr 2026 |
| Zeus O-5-4089 | Single Barrel Oil and Gas LLC only | Aguila Vado (Eagleford) | Madison | 2 | 152K | 114K | Jun 2014 – Nov 2020 |
| Scholz et Al O-3-17367 | Wheeler Operating Corporation only | FT Trinidad-Barrett,e.(dexter) | Madison | 2 | 146K | 23.5K | by Jan 1993 – Mar 2016 |
| Barrett-Marks O-3-26280 | Vess Oil Corporation only | Madisonville, W. (Woodbine -A-) | Madison | 1 | 145K | 95.2K | Feb 2013 – Apr 2026 |
| NGR Barrett O-3-27109 | Reed Exploration LLC only | Fort Trinidad, East (Buda) | Madison | 2 | 141K | 636K | Aug 2015 – Apr 2026 |
| Barrett "19" O-9-11776 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Upton | 4 | 136K | 1.29M | by Jan 1993 – Jun 2022 |
| Ellwood Barrett O-3-25867 | Vess Oil Corporation only | Madisonville, W. (Woodbine -A-) | Madison | 3 | 134K | 64.5K | Aug 2011 – Apr 2026 |
| Meyerhoff, Emil H. O-4-12758 | Barrett Brothers Oil & Gas, Inc. only | Shepherd (5300) | Hidalgo | 1 | 132K | 0 | Mar 1998 – Apr 2013 |
| Edwards O-11-67863 | Barrett Brothers Oil & Gas, Inc. only | Tucker-West Point (Fusselman) | Lynn | 1 | 129K | 0 | Dec 1997 – Jun 2005 |
| Nichols State Unit O-1-17769 | Single Barrel Oil and Gas LLC only | A.W.P. (Olmos) | McMullen | 1 | 119K | 403K | Jun 2012 – Apr 2026 |
| TXL -BM- /NCT-A/ O-10-11646 | Single Barrel Oil and Gas LLC only | Sullivan (Delaware) | Reeves | 2 | 111K | 17.1K | by Jan 1993 – Apr 2026 |
| Barrera Unit G-4-228698 | Hilcorp Energy Company only | McMoran (8960) | Hidalgo | 1 | 111K | 5.52M | Jun 2007 – Apr 2026 |
| Chevron-Thunderbird #2 Gas Unit G-4-174010 | Single Barrel Oil and Gas LLC only | T-Bird (Queen City) | Jim Hogg | 1 | 109K | 4.1M | Jul 1999 – Apr 2026 |
| Bennett, J. R. "B" O-10-1454 | Double Barrel Oil LLC only | Fort Stockton | Pecos | 7 | 101K | 295K | Jun 1997 – Apr 2026 |
| Smithey O-11-69110 | Single Barrel Oil and Gas LLC only | Girard, N. (Tannehill) | Dickens | 1 | 99.9K | 0 | Jun 2007 – Apr 2026 |
| Barrett, H. G. O-11-68645 | Acoma Operating, LLC only | Anton-Irish (Wolfcamp) | Lamb | 1 | 90.6K | 0 | Jan 2004 – Oct 2007 |
| Chevron-Thunderbird #7 Gas Unit G-4-180274 | Single Barrel Oil and Gas LLC only | T-Bird (Queen City) | Jim Hogg | 1 | 86.8K | 3.15M | Nov 2000 – Apr 2026 |
| Barre O-2-8875 | Wadi Petroleum, Inc. only | Anna Barre (7900) | De Witt | 1 | 84.7K | 24.2K | Jan 2004 – Oct 2016 |
| Nichols O-1-18866 | Single Barrel Oil and Gas LLC only | A.W.P. (Olmos) | McMullen | 3 | 83.2K | 200K | Jul 2016 – Apr 2026 |
| Barrera G-4-160157 | Samedan Oil Corporation only | McNeil Ranch (Yegua 1) | Duval | 1 | 80.9K | 2.26M | Oct 1996 – Jun 2001 |
| Double Barrel Unit O-1-12925 | Britanco, L.L.C. only | Pearsall (Austin Chalk) | Frio | 1 | 80.6K | 20 | by Jan 1993 – Apr 2026 |
| Barrera O-3-22086 | Endeavor Energy Resources L.P. only | Giddings (Austin Chalk-3) | Brazos | 1 | 80.2K | 571K | May 1993 – Nov 2016 |
| Hughes-Smith O-11-65452 | Double Barrel Oil LLC only | Slaughter | Cochran | 6 | 76.3K | 272K | by Jan 1993 – Apr 2026 |
| Barrett "11" O-11-64648 | Bechtel Energy Resources Corp. only | Welch, SE. (Spraberry) | Dawson | 3 | 73K | 81.9K | by Jan 1993 – Oct 1995 |
| Barrett G-3-217297 | Heisey Ventures, Inc. only | Hardin, South (Wilcox 12700) | Liberty | 1 | 72.2K | 4.69M | Nov 2005 – Aug 2011 |
| Chevron-Thunderbird #4 Gas Unit G-4-181379 | Single Barrel Oil and Gas LLC only | T-Bird (Queen City) | Jim Hogg | 1 | 70.9K | 2.11M | Feb 2001 – Apr 2026 |
| Barrett O-14-253 | Oilwell Operators, Inc. only | Panhandle Gray County Field | Gray | 4 | 68.1K | 309K | by Jan 1993 – Apr 2026 |
| Barrett, H. G. O-11-62047 | Acoma Operating, LLC only | Anton-Irish | Lamb | 2 | 66.7K | 21 | by Jan 1993 – Apr 2026 |
| Vogtsberger, Harry O-13-393 | Double Barrel Operating LLC only | Archer County Regular | Archer | 3 | 66.3K | 33.3K | by Jan 1993 – Apr 2026 |
| Barrett B O-11-68659 | OXY USA WTP LP only | Anton-Irish (Wolfcamp) | Lamb | 1 | 66.3K | 98.7K | Dec 2003 – Apr 2026 |
| Carroll O-3-20749 | Estate Oil & Gas Corp. only | FT Trinidad-Barrett,e.(dexter) | Madison | 1 | 65.2K | 80K | by Jan 1993 – Jul 1996 |
| Barrera, F. - State G-4-191858 | Merit Energy Company only | La Copita (Vicksburg Cons.) | Starr | 1 | 61.6K | 2.82M | Nov 2002 – Apr 2026 |
| McVey O-3-26204 | Single Barrel Oil and Gas LLC only | BSR (Sub-Clarksville) | Madison | 1 | 61.2K | 1.84M | Oct 2012 – Apr 2026 |
| Chevron-Thunderbird #1 Gas Unit G-4-173300 | Single Barrel Oil and Gas LLC only | T-Bird (Queen City) | Jim Hogg | 1 | 61.1K | 2.22M | Apr 1999 – Apr 2026 |
| Lawson O-11-63477 | Double Barrel Oil LLC only | Yellowhouse, S. (San Andres) | Hockley | 1 | 59.9K | 337 | by Jan 1993 – Apr 2026 |
| Barrett, W. J. O-3-25337 | Hughes Oil Operating, LLC only | Hardin, SW. (Davidson #2) | Liberty | 1 | 58.9K | 67K | Oct 2008 – Apr 2026 |