| Grisham O-3-26441 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 3 | 849K | 1.74M | Aug 2013 – Aug 2026 |
| Forrest A O-3-26471 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 3 | 516K | 1.33M | May 2013 – Apr 2025 |
| Wakefield-Jones Unit O-3-26419 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 4 | 490K | 653K | Nov 2013 – Feb 2022 |
| Harrison Forrest Oil Unit O-3-26416 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 7 | 430K | 900K | Jul 2013 – Jul 2023 |
| Vick 'B' Unit O-3-26495 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 375K | 3.12M | Dec 2013 – Aug 2026 |
| Starnes O-3-25733 | Palmer Petroleum Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 349K | 969K | Apr 2012 – Jul 2024 |
| Marshall, Mary Ann O-3-17816 | Valence Operating Company only | FT Trinidad-Barrett,e.(dexter) | Madison | 1 | 330K | 86 | by Jan 1993 – Aug 2024 |
| Laura-Manning (Alloc) Unit O-3-26777 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 318K | 698K | Sep 2014 – Aug 2026 |
| 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 |
| Three Amigos (Alloc) O-3-27105 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 292K | 1.01M | Jul 2015 – Aug 2026 |
| Joyce Unit O-3-26771 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 3 | 285K | 625K | Dec 2014 – Mar 2020 |
| Ferguson Prison Unit G-3-266320 | | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 284K | 800K | Jul 2011 – Aug 2014 |
| W Forrest O-3-26285 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 1 | 279K | 491K | Nov 2012 – Mar 2025 |
| Forrest O-3-26050 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 4 | 266K | 523K | Aug 2012 – Mar 2025 |
| Forrest C O-3-26414 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 12 | 259K | 558K | Dec 2013 – Jul 2022 |
| N.G.R.-Gaylor O-3-26524 | Deguello Operating LLC only | Fort Trinidad, East (Buda) | Madison | 4 | 248K | 664K | Nov 2012 – Apr 2024 |
| Carolyn Unit O-3-26527 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 2 | 228K | 595K | Jun 2014 – Apr 2020 |
| Patriot O-5-4473 | Wildfire Energy Operating LLC only | Aguila Vado (Eagleford) | Madison | 1 | 221K | 122K | Apr 2024 – Jul 2026 |
| Manning G-3-273058 | E2 Operating LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 220K | 545K | Feb 2014 – Jun 2026 |
| Munson O-3-26873 | E2 Operating LLC only | Fort Trinidad, East (Buda) | Madison | 1 | 220K | 751K | Jan 2014 – Jun 2026 |
| Gibbs Brothers O-3-26255 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 2 | 211K | 834K | Aug 2012 – Jul 2020 |
| Laura Unit O-3-26452 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 2 | 210K | 1.54M | Oct 2013 – Aug 2026 |
| Turner O-3-26952 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 197K | 700K | Nov 2015 – Aug 2026 |
| Parten O-3-27073 | E2 Operating LLC only | Fort Trinidad, East (Buda) | Madison | 1 | 195K | 247K | Oct 2014 – Jun 2026 |
| Barrett O-3-27213 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 160K | 1.25M | Apr 2016 – Aug 2026 |
| 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 |
| NGR Barrett O-3-27109 | Reed Exploration LLC only | Fort Trinidad, East (Buda) | Madison | 2 | 142K | 636K | Aug 2015 – Aug 2026 |
| Starnes O-3-24692 | Palmer Petroleum Inc. only | Ft. Trinidad, SW. (Buda) | Madison | 1 | 141K | 165K | Mar 2005 – Mar 2012 |
| Wakefield G-3-279824 | Burk Royalty Co., Ltd. only | Fort Trinidad, East (Buda) | Madison | 1 | 140K | 296K | Jun 2014 – Dec 2018 |
| Vick Unit O-3-26408 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 140K | 396K | Feb 2013 – Apr 2023 |
| Ferguson Prison Unit G-3-265289 | Sem Operating Company LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 126K | 494K | Mar 2011 – Aug 2014 |
| Carter-Starns State Unit O-3-26433 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 1 | 124K | 518K | May 2013 – Sep 2019 |
| Barr G-3-278702 | E2 Operating LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 123K | 408K | Jun 2014 – Jun 2026 |
| Double Gibbs O-3-27215 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 121K | 1.82M | May 2016 – Aug 2026 |
| Ferguson Prison Unit G-3-271685 | | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 120K | 397K | Jul 2011 – Aug 2014 |
| Henry G-3-278443 | E2 Operating LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 117K | 212K | Feb 2014 – Jun 2026 |
| Bates, B. D. O-3-26449 | E2 Operating LLC only | Fort Trinidad, East (Buda) | Madison | 1 | 116K | 230K | Jun 2013 – Nov 2024 |
| Thomas O-3-27128 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 113K | 618K | Mar 2016 – Dec 2021 |
| Diana Vick Unit O-3-26845 | EOG Resources, Inc. only | Ft. Trinidad, E. (Edwards) | Madison | 1 | 113K | 394K | Oct 2014 – Aug 2026 |
| Grace O-3-26434 | E2 Operating LLC only | Fort Trinidad, East (Buda) | Madison | 1 | 112K | 435K | Jun 2013 – Mar 2026 |
| Manning Gas Unit O-3-26155 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 112K | 628K | Dec 2012 – Aug 2026 |
| Ferguson Prison Unit G-3-271371 | Sem Operating Company LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 112K | 811K | Apr 2012 – Aug 2014 |
| Iron Duke (Allocation) O-3-27311 | Reed Exploration LLC only | Fort Trinidad, East (Buda) | Madison | 1 | 110K | 1.04M | Aug 2017 – Aug 2026 |
| Farris O-3-27072 | E2 Operating LLC only | Fort Trinidad, East (Buda) | Madison | 1 | 107K | 72.2K | Nov 2014 – Jun 2026 |
| Turner G-3-271286 | E2 Operating LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 106K | 202K | Mar 2013 – Jun 2026 |
| Scholz, et Al O-3-20388 | Wheeler Operating Corporation only | Ft. Trinidad (Lewisville 8900) | Madison | 11 | 104K | 4.73K | by Jan 1993 – Aug 2026 |
| Hardy G-3-278455 | E2 Operating LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 104K | 409K | Jul 2014 – Jun 2026 |
| Three Amigos O-3-27214 | EOG Resources, Inc. only | Fort Trinidad, East (Buda) | Madison | 1 | 99.2K | 837K | May 2016 – Aug 2026 |
| Stiver G-3-276853 | E2 Operating LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 97.1K | 230K | Sep 2013 – Jun 2026 |
| Scholz-Hardwick O-3-27286 | Wheeler Operating Corporation only | Fort Trinidad (Dexter) | Madison | 1 | 96.9K | 0 | Mar 2017 – Jul 2026 |