| Hagaman Unit O-3-26647 | BSR (Sub-Clarksville) | Madison | 1 | 194K | 411K | Oct 2014 – Jul 2026 |
| Sheldon Unit O-3-26251 | Halliday (Woodbine) | Madison | 1 | 173K | 528K | Jan 2013 – Jul 2026 |
| Andrews Unit O-3-26626 | Halliday (Woodbine) | Leon | 1 | 139K | 463K | Dec 2013 – Jul 2026 |
| Chapman JO D O-4-13547 | Chapman Ranch (Upper Frio Cons.) | Nueces | 1 | 101K | 18.9K | Nov 2006 – Jul 2026 |
| Chapman, J. O. O-4-13553 | Chapman Ranch (Upper Frio Cons.) | Nueces | 1 | 31.1K | 3.75K | Apr 2009 – Jul 2026 |
| Chapman Ranch O-4-5608 | Chapman Ranch, E. (Davis) | Nueces | 5 | 25.7K | 23 | Jan 1993 – Jul 2026 |
| Chapman J.O. O-4-13423 | Chapman Ranch (Catahoula Cons.) | Nueces | 9 | 13.5K | 20.7K | Nov 2006 – Jul 2026 |
| Chapman Ranch G-4-235060 | Mobil-David (Frio 12,600) | Nueces | 1 | 0 | 682K | Jan 2008 – Jul 2026 |
| Chapman Ranch G-4-225042 | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 1.42M | Jan 2007 – Jul 2026 |
| Landis G-5-252322 | Tri-Cities (Cotton Valley) | Henderson | 1 | 0 | 5.36K | Mar 2009 – Jul 2026 |
| Kirby Heirs G-5-237244 | Thomas Lake (Cotton Valley) | Henderson | 1 | 0 | 485K | Mar 2008 – Jul 2026 |
| Chapman Ranch G-4-235046 | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 849K | Jan 2008 – Jul 2026 |
| Cox Venable G-5-252319 | Thomas Lake (Cotton Valley) | Henderson | 1 | 0 | 125K | Apr 2009 – Jul 2026 |
| Chapman, J. O. G-4-217866 | Mobil-David (Frio 12,600) | Nueces | 1 | 0 | 283K | Dec 2005 – Jul 2026 |
| Gladney Gas Unit G-5-262916 | Tri-Cities (Cotton Valley) | Henderson | 1 | 0 | 697K | Nov 2010 – Jul 2026 |
| Sample G-2-288959 | Bright Falcon (Yegua 9900) | Jackson | 1 | 0 | 4.35M | Oct 2019 – Jul 2026 |
| Chapman Ranch G-4-242328 | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 0 | Sep 2008 – Jul 2026 |
| Chapman Ranch "A" G-4-227943 | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 1.66M | Feb 2007 – Jul 2026 |
| Lee Heirs G-5-236077 | Thomas Lake (Cotton Valley) | Henderson | 1 | 0 | 181K | May 2008 – Jul 2026 |
| Chapman, J. O. "D" G-4-225204 | Chapman Ranch (Catahoula Cons.) | Nueces | 1 | 0 | 9.39K | Mar 2006 – Jul 2026 |
| Chapman Ranch "B" G-4-199951 | Chapman Ranch (9650) | Nueces | 1 | 0 | 1.22M | Nov 2003 – Jul 2026 |
| DKR O-5-4141 | Wildcat | Leon | 1 | 0 | 0 | Oct 2014 – Jul 2026 |
| Sample G-2-293767 | Bright Falcon (Yegua 9580) | Jackson | 1 | 0 | 1.54M | Oct 2022 – Jul 2026 |
| Chapman Ranch G-4-232247 | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 1.47M | Jun 2007 – Jul 2026 |
| Chapman Ranch G-4-221355 | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 319K | Mar 2006 – Jul 2026 |
| Wofford Heirs G-5-251064 | Thomas Lake (Cotton Valley) | Henderson | 1 | 0 | 135K | Feb 2009 – Jul 2026 |
| Chapman Ranch "B" G-4-300343 | Mobil-David (Anderson) | Nueces | 1 | 0 | 0 | Nov 2023 – Jul 2026 |
| Chapman Ranch G-4-230045 | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 711K | Jul 2007 – Jul 2026 |
| Porche G-2-177660 | Bright Falcon (Yegua 9600) | Jackson | 1 | 0 | 8.05M | Jun 2000 – Jul 2026 |
| Wilbanks G-5-248069 | Thomas Lake (Cotton Valley) | Henderson | 1 | 0 | 92K | Jan 2009 – Jul 2026 |
| Chapman Ranch "B" G-4-242275 | Mobil-David (Frio 12,600) | Nueces | 1 | 0 | 0 | Jun 2008 – Jul 2026 |
| Chapman Ranch G-4-255656 | Wildcat | Nueces | 1 | 0 | 200 | Feb 2010 – Jul 2026 |
| Chapman Ranch G-4-261596 | Chapman Ranch (Catahoula Cons.) | Nueces | 1 | 0 | 93.6K | May 2011 – Jul 2026 |
| Chapman Ranch G-4-175211 | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 0 | 562K | Nov 1999 – Nov 2025 |
| Chapman, J. O. G-4-154352 | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 0 | 219K | Apr 1995 – Nov 2025 |
| Chapman Ranch G-4-243672 | Arnold--David (10,400) | Nueces | 1 | 0 | 4.18K | Jul 2008 – Oct 2025 |
| Chapman Ranch O-4-13508 | Chapman Ranch (Catahoula Cons.) | Nueces | 1 | 1.45K | 74.3K | Jun 2008 – Jun 2024 |
| Chapman Ranch G-4-234945 | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 132K | Nov 2007 – Jun 2024 |
| Chapman, J.O. G-4-164942 | Mobil-David, SW. (Howell Hight) | Nueces | 1 | 0 | 1.62M | May 1997 – May 2024 |
| Chapman, J.O. "C" O-4-13397 | Chapman Ranch (Catahoula Cons.) | Nueces | 1 | 26.8K | 35.9K | Nov 2006 – Feb 2024 |
| Chapman Ranch O-4-13500 | Chapman Ranch (Upper Frio Cons.) | Nueces | 1 | 7.76K | 27.2K | Jun 2008 – Feb 2024 |
| Chapman Ranch G-4-247512 | Chapman Ranch (Upper Frio Cons.) | Nueces | 1 | 0 | 26.5K | Oct 2008 – Jan 2024 |
| Bain, R. A. G-5-190782 | Alligator Creek (Bossier) | Navarro | 1 | 0 | 40.6K | Dec 2001 – Oct 2023 |
| Battle Unit No. 1 G-3-206907 | Lissie, South (Frio 4350) | Fort Bend | 1 | 0 | 674K | Oct 2004 – Jan 2023 |
| Callaway G-3-204728 | Hungerford, North (3050) | Wharton | 1 | 0 | 222K | Oct 2004 – Jan 2023 |
| Boetcher G-3-263410 | Hungerford, N. (3300) | Fort Bend | 1 | 0 | 437K | Jun 2011 – Jan 2023 |
| Kennedy O-5-3940 | Malakoff, S. (Bacon Lime) | Henderson | 1 | 0 | 0 | Jan 2010 – Jun 2022 |
| Murchison-Wofford O-5-879 | LA Rue | — | 1 | 34.7K | 72 | Jan 1993 – May 2022 |
| Kennedy G-5-233479 | Malakoff, South (Travis Peak) | Henderson | 1 | 0 | 95.6K | Jan 2008 – Mar 2022 |
| McDonald O-5-3875 | Tri-Cities (Pettit) | Henderson | 1 | 290 | 0 | May 2008 – Apr 2021 |