| State Tract 330 G-3-172660 | Transtexas Gas Corporation only | Eagle Bay (Vicksburg) | Galveston | 1 | 1.82M | 23.2M | Feb 1999 – Sep 2001 |
| Bonner G-3-197758 | South Texas Operating Company only | Nolte Marsh (Yegua 13000) | Liberty | 1 | 839K | 1.91M | May 2003 – Apr 2010 |
| Texas WC G-10-279273 | Conocophillips Company only | Ford, West (Wolfcamp) | Culberson | 1 | 762K | 2.71M | Apr 2016 – Aug 2026 |
| S.T. 23-L N/2 SW/4 G-3-246589 | Llog Exploration Texas, L.P. only | Block 23L (LH-13) | High IS-LB | 1 | 735K | 9.61M | Apr 2008 – Mar 2013 |
| State Tract 352 G-3-170229 | Transtexas Gas Corporation only | Eagle Bay (Vicksburg 15750) | Galveston | 1 | 627K | 4.59M | Jun 1998 – Jul 2000 |
| Van Deventer Gas Unit G-3-254240 | South Texas Operating Company only | Vacation (Yegua 4\5) | Liberty | 1 | 597K | 2.65M | Oct 2009 – Oct 2024 |
| Texas Sabal 55-1-40 Unit G-10-283000 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 582K | 2.15M | Apr 2017 – Aug 2026 |
| Texas WC G-10-279272 | Conocophillips Company only | Ford, West (Wolfcamp) | Culberson | 1 | 577K | 2.78M | Jun 2016 – Aug 2026 |
| King George G-10-297890 | Bosque Texas Oil LLC only | Ruppel (Woodford) | Ward | 1 | 527K | 3.7M | May 2024 – Aug 2026 |
| King George G-10-297157 | Bosque Texas Oil LLC only | Ruppel (Woodford) | Ward | 1 | 501K | 3.8M | Jun 2024 – Aug 2026 |
| King George G-10-298512 | Bosque Texas Oil LLC only | Ruppel (Woodford) | Ward | 1 | 484K | 3.48M | Jun 2024 – Aug 2026 |
| King George G-10-297897 | Bosque Texas Oil LLC only | Ruppel (Woodford) | Ward | 1 | 453K | 3.28M | May 2024 – Aug 2026 |
| King George G-10-298511 | Bosque Texas Oil LLC only | Ruppel (Woodford) | Ward | 1 | 451K | 2.6M | Jun 2024 – Aug 2026 |
| State Daltexas Ranger 56-T2-2X11 G-10-291406 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 442K | 2.44M | Mar 2021 – Aug 2026 |
| State Daltexas Ranger 56-T2-2X11 G-10-291363 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 405K | 3.88M | Mar 2021 – Aug 2026 |
| King George G-10-297888 | Bosque Texas Oil LLC only | Ruppel (Woodford) | Ward | 1 | 385K | 2.13M | May 2024 – Aug 2026 |
| State Daltexas Ranger 56-T2-2X11 G-10-289186 | BPX Operating Company only | Phantom (Wolfcamp) | Loving | 1 | 372K | 1.18M | Nov 2019 – Aug 2026 |
| Texas Sabal 55-1-40 Unit G-10-297208 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 309K | 1.05M | Jan 2024 – Aug 2026 |
| Boston Texas Land & Trust G-4-189963 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 303K | 9.05M | Jun 2002 – Nov 2015 |
| Texas Sabal 55-1-40 Unit G-10-297207 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 300K | 1.11M | Jan 2024 – Aug 2026 |
| Greer G-3-171377 | Texas Operating Partners LLC only | Jones Creek, North (Wilcox) | Wharton | 1 | 299K | 6.44M | Nov 1998 – Jan 2025 |
| South Texas Syndicate G-1-270312 | Verdun Oil & Gas LLC only | Hawkville (Eagleford Shale) | La Salle | 1 | 286K | 2.08M | Apr 2013 – Aug 2026 |
| State Tract 331 G-3-168876 | Transtexas Gas Corporation only | Eagle Bay (Vicksburg) | Galveston | 1 | 279K | 854K | Mar 1998 – Mar 1999 |
| Frels G-3-175108 | Texas Operating Partners LLC only | Jones Creek, North (Wilcox) | Wharton | 1 | 276K | 4.88M | Jul 1999 – Jan 2025 |
| Boston Texas Land & Trust G-4-193892 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 258K | 7.97M | Mar 2003 – Aug 2026 |
| Davis, Wirt G-3-157737 | Texas Operating Partners LLC only | Leggett (Woodbine) | Polk | 1 | 254K | 8.48M | Feb 1996 – Mar 2022 |
| Hixon-State of Texas Unit G-1-296808 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 253K | 842K | Dec 2017 – Aug 2026 |
| South Texas Syndicate G-1-268310 | Verdun Oil & Gas LLC only | Hawkville (Eagleford Shale) | La Salle | 1 | 250K | 1.8M | Oct 2011 – Aug 2026 |
| Texas State Tract 117 G-2-138507 | Vintage Petroleum, Inc. only | Panther Reef, SW. (Frio G-1) | Calhoun | 1 | 244K | 4.37M | by Jan 1993 – Sep 1999 |
| Boston Texas Land & Trust G-4-192177 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 241K | 5.91M | Dec 2002 – Aug 2012 |
| South Texas Syndicate G-1-276119 | Verdun Oil & Gas LLC only | Hawkville (Eagleford Shale) | La Salle | 1 | 240K | 1.6M | Nov 2014 – Aug 2026 |
| G.W. O'Brien et Al G-10-298203 | Bosque Texas Oil LLC only | Ruppel (Woodford) | Winkler | 1 | 233K | 2.81M | Dec 2019 – Aug 2026 |
| Cardenas, R.R. G-4-117431 | Mountain V Texas, LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 233K | 7.16M | by Jan 1993 – Aug 2026 |
| Kubala G-3-196049 | Texas Operating Partners LLC only | Jones Creek (Deep Wilcox) | Wharton | 1 | 227K | 4.47M | Jul 2003 – Mar 2025 |
| Weed A G-2-245483 | Texas Independent Explor Ltd. only | Francitas, South (10,100) | Jackson | 1 | 221K | 2.92M | Jan 2009 – Aug 2026 |
| South Texas Syndicate G-1-274907 | Verdun Oil & Gas LLC only | Hawkville (Eagleford Shale) | La Salle | 1 | 217K | 1.8M | Oct 2014 – Aug 2026 |
| Drastata G-3-199738 | Texas Operating Partners LLC only | Jones Creek (Deep Wilcox) | Wharton | 1 | 216K | 6.62M | Dec 2003 – Jan 2025 |
| Boston Texas Land & Trust G-4-191126 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 212K | 7.91M | Sep 2002 – Aug 2026 |
| Burns Ranch G-1-291298 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 1 | 206K | 356K | Oct 2016 – Aug 2026 |
| Connell-Wright a Unit G-1-291254 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 1 | 203K | 366K | May 2018 – Aug 2026 |
| South Texas Syndicate G-1-268315 | Verdun Oil & Gas LLC only | Hawkville (Eagleford Shale) | La Salle | 1 | 199K | 1.71M | Oct 2011 – Aug 2026 |
| Donner-Brown "a" A-459 G-6-151947 | Texas Oil and Gas Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 196K | 1.99M | Jun 1994 – Jun 2010 |
| State Tract 689-A G-4-98179 | Texas Petroleum Investment Co. only | Tule Lake | Nueces | 1 | 195K | 7.86M | by Jan 1993 – Aug 2026 |
| South Texas Syndicate G-1-282291 | Verdun Oil & Gas LLC only | Hawkville (Eagleford Shale) | La Salle | 1 | 194K | 1.69M | Feb 2017 – Aug 2026 |
| Jones Unit a - 981 G-6-158193 | Texas Oil and Gas Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 193K | 1.64M | Feb 1996 – Oct 2012 |
| Hixon-State of Texas Unit G-1-296809 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 190K | 577K | Dec 2017 – Aug 2026 |
| Boston Texas Land & Trust G-4-202736 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 190K | 6.31M | Jun 2004 – Aug 2026 |
| Boston Texas Land & Trust G-4-176539 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 190K | 5.09M | Jan 2000 – Aug 2026 |
| South Texas Syndicate G-1-260340 | Verdun Oil & Gas LLC only | Hawkville (Eagleford Shale) | La Salle | 1 | 186K | 1.17M | Oct 2011 – Aug 2026 |
| Daniel Gas Unit G-3-258904 | South Texas Operating Company only | Vacation (Yegua 4\5) | Liberty | 1 | 186K | 591K | Aug 2010 – Oct 2024 |