| Alexander GU G-3-250575 | Hilcorp Energy Company only | Hartburg, S.E. (Yegua Cons.) | Orange | 1 | 563K | 2.73M | May 2009 – Apr 2026 |
| Hartman A-Cantu a SA 1 G-2-298334 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 504K | 1.83M | Feb 2025 – Apr 2026 |
| Sokolski GU G-3-235070 | Hilcorp Energy Company only | Hartburg, S.E. (Yegua Cons.) | Orange | 1 | 474K | 4.82M | Mar 2008 – Apr 2026 |
| Hartman A G-2-264847 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 466K | 1.67M | Nov 2011 – Apr 2026 |
| Hartman A G-2-287776 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 420K | 1.87M | Dec 2015 – Apr 2026 |
| Hartman A G-2-287646 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 415K | 1.91M | Dec 2015 – Apr 2026 |
| Hartman A G-2-287628 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 415K | 1.85M | Dec 2015 – Apr 2026 |
| Hartman A-Cantu a SA 2 G-2-298352 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 374K | 1.61M | Feb 2025 – Apr 2026 |
| Hannah G-3-223018 | Hilcorp Energy Company only | Hartburg, S.E. (Yegua Cons.) | Orange | 1 | 363K | 4.22M | Oct 2006 – Jun 2018 |
| Hannah G-3-282399 | Hilcorp Energy Company only | Hartburg, S. (Hackberry 1ST) | Orange | 1 | 355K | 825K | Feb 2017 – Apr 2026 |
| Hartman A G-2-287645 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 350K | 1.5M | Dec 2015 – Apr 2026 |
| Hartman A-Cantu a SA 3 G-2-298340 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 329K | 1.39M | Feb 2025 – Apr 2026 |
| Hartman A G-2-287626 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 301K | 1.21M | Nov 2015 – Apr 2026 |
| Hartman Unit A G-2-266872 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | De Witt | 1 | 294K | 3.32M | May 2013 – Apr 2026 |
| Lindsey GU 1 G-3-138869 | Exxon Corp. only | Hartburg, S.E. (Yegua EY-2) | Orange | 1 | 251K | 2.36M | Jan 1993 – Mar 1996 |
| F.johnson-J.tschirhart 10H Psa G-2-287170 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 250K | 2.11M | May 2019 – Apr 2026 |
| Hartman A G-2-287627 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 250K | 977K | Dec 2015 – Apr 2026 |
| Johnson-Patino-Tschirhart 8H Psa G-2-287145 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 224K | 1.77M | May 2019 – Dec 2022 |
| Hartman-Black Usw D G-2-297665 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | De Witt | 1 | 213K | 2.26M | Aug 2024 – Apr 2026 |
| Johnson-Tschirhart Unit G-2-268960 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 212K | 1.27M | Sep 2012 – Apr 2026 |
| Hartman-Black Usw B G-2-297663 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | De Witt | 1 | 195K | 2.13M | Aug 2024 – Apr 2026 |
| Alexander GU G-3-267001 | Hilcorp Energy Company only | Hartburg, S.E. (Yegua Cons.) | Orange | 1 | 177K | 1.52M | Sep 2012 – Apr 2026 |
| Hartman-Black Usw C G-2-297498 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | De Witt | 1 | 174K | 2.05M | Aug 2024 – Apr 2026 |
| Hartman-Black Usw A G-2-297662 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | De Witt | 1 | 170K | 2.04M | Aug 2024 – Apr 2026 |
| Outlar G-3-234337 | Cico Oil & Gas Company only | Wharton Junction, North | Wharton | 1 | 168K | 3.05M | Dec 2007 – Apr 2015 |
| Koster-Vastar G-3-178495 | Dominion Expl. & Prod., Inc. only | Red Line (Hartburg, Upper) | Orange | 1 | 167K | 483K | Mar 2000 – Aug 2003 |
| Burkhart G-3-175344 | Permian Natural Resources only | Big Boggy Creek (TM5) | Matagorda | 1 | 140K | 11.5M | Nov 1999 – Jan 2025 |
| Nicholas G-3-256722 | Hilcorp Energy Company only | Hartburg, S.E. (Yegua Cons.) | Newton | 1 | 132K | 4.34M | Feb 2010 – May 2012 |
| Turf Grass G-3-207047 | Petroreal Inc. only | Wharton, S. (Yegua 10900) | Wharton | 1 | 117K | 695K | Jul 2004 – Oct 2007 |
| Hannah G-3-249616 | Hilcorp Energy Company only | Hartburg, S.E. (Yegua Cons.) | Orange | 1 | 104K | 760K | Jan 2009 – Mar 2013 |
| Windberg, Dalhart G-2-200642 | Remora Operating, LLC only | Marshall (Middle Wilcox) | Goliad | 1 | 90.7K | 5.93M | Feb 2004 – Apr 2026 |
| Leachman-Lockhart Unit G-3-146975 | Redbud E & P, Inc. only | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 80.9K | 1.87M | Sep 1993 – Feb 2022 |
| Moontower G-3-284155 | Square Mile Energy, L.L.C. only | Hartburg, S. (Lower Hackberry) | Orange | 1 | 78.6K | 1.51M | Mar 2018 – Oct 2019 |
| Powell Lumer Co. G-3-165289 | Esenjay Exploration, Inc only | Hartburg, S. (Lower Hackberry) | Orange | 1 | 78.1K | 2.31M | May 1997 – Jul 2000 |
| Lowe, Homer G-3-226428 | Petroreal Inc. only | Wharton, S. (Yegua 11,400) | Wharton | 1 | 75.7K | 1.94M | Jan 2006 – Oct 2008 |
| Hankamer 912 G-3-192306 | Petro-Guard Production,l.l.c. only | Hartburg (Hackberry 1ST) | Newton | 1 | 74.9K | 249K | Oct 2002 – Sep 2004 |
| Harrison G-3-224093 | Ballard Exploration Company,inc. only | Wharton Junction, North | Wharton | 1 | 74.3K | 4.17M | Oct 2004 – Dec 2009 |
| Hartman Unit A G-2-264314 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | De Witt | 1 | 73.1K | 542K | Aug 2012 – Feb 2026 |
| Black Stone 407 G-3-286339 | White Stride LLC only | Hartburg, S.E. (Yegua Cons.) | Newton | 1 | 67.1K | 2.11M | Jan 2019 – Mar 2026 |
| Sokolski GU G-3-263574 | Hilcorp Energy Company only | Hartburg, S.E. (Yegua Cons.) | Orange | 1 | 60.6K | 824K | Oct 2011 – May 2017 |
| Hannah G-3-262847 | Hilcorp Energy Company only | Hartburg, S.E. (Yegua Cons.) | Orange | 1 | 56.9K | 406K | Jul 2012 – Jan 2017 |
| Lindsey-Bledsoe A-143 G-3-261183 | Samson Exploration, LLC only | Hartburg, S.E. (Yegua EY-2) | Orange | 1 | 53.2K | 670K | Jul 2010 – Aug 2012 |
| Hart, Max W. GU G-6-98086 | Diversified Production LLC only | Appleby, N. (Rod-TP Cons) | Nacogdoches | 1 | 51.6K | 2.47M | Jan 1993 – Jun 2025 |
| Hartman G-13-272325 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 50K | 1.11M | Jul 2010 – Apr 2026 |
| Hart et Al G-4-189688 | Petrovybe Opco LLC only | Samano (Fourth Massive) | Starr | 1 | 49K | 2.36M | Mar 2002 – Apr 2026 |
| Bunge, Garrison G-3-170732 | Garrison Ltd. only | Englehart, E. (Yegua 6200) | Colorado | 1 | 46.7K | 1.14M | Aug 1998 – Mar 2005 |
| Hartman G-13-272282 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 44.5K | 1.62M | Jul 2010 – Apr 2026 |
| Barnhart G-3-158791 | Etoco Incorporated only | Sralla Road (Jackson, W.) | Harris | 1 | 43K | 2.13M | May 1996 – Jun 2002 |
| Windberg, Dalhart G-2-198681 | Remora Operating, LLC only | Marshall (Middle Wilcox) | Goliad | 1 | 39.9K | 2.01M | Aug 2003 – Apr 2026 |
| Barnhart G-3-161298 | Etoco, L.P. only | Sralla Road (Jackson, W.) | Harris | 1 | 39.2K | 2.47M | Nov 1996 – Feb 2005 |