| Kenedy, John G. Jr. "J" G-4-178410 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 18.2K | 8.63M | Jun 2000 – Aug 2026 |
| East, S. K. Mrs. O-4-8423 | Headington Energy Partners, LLC | Rita (5-D & E) | Kenedy | 5 | 17.4K | 14.2K | by Jan 1993 – Nov 2010 |
| East, S.K. Mrs. G-4-288877 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 16.6K | 4.75M | Sep 2020 – Aug 2026 |
| Kenedy, John G. Jr. "J" G-4-201142 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 16.3K | 5.32M | Mar 2004 – Aug 2026 |
| East, T.t."a" G-4-226711 | Headington Energy Partners, LLC | East (Segment East) | Jim Hogg | 1 | 15.1K | 509K | Apr 2007 – Oct 2024 |
| Kenedy, John G. Jr. "J" G-4-176928 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 15.1K | 13.4M | Jan 2000 – Aug 2026 |
| Kenedy, John G. Jr. "J" G-4-189019 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 15K | 3.41M | Apr 2002 – Aug 2026 |
| East, T. T. "A" G-4-189158 | Headington Energy Partners, LLC | East (Segment East) | Jim Hogg | 1 | 14.9K | 1.15M | Apr 2002 – Oct 2024 |
| East, S.K. Mrs. G-4-257429 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 14.8K | 4.64M | Feb 2010 – Nov 2025 |
| Kenedy, John G. Jr. "J" G-4-189813 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 14.5K | 10.7M | May 2002 – Aug 2026 |
| Kenedy, John G. Jr. "J" G-4-189572 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 12.7K | 7.96M | Jan 2002 – Jul 2024 |
| Armstrong, Tobin G-4-208657 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 1 | 12.4K | 1.62M | May 2004 – Apr 2024 |
| East, S.K. Mrs. G-4-243084 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 12.1K | 13.4M | Aug 2008 – Oct 2020 |
| Armstrong, Tobin O-4-14172 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 2 | 10.6K | 24K | Aug 2021 – Aug 2026 |
| East, Mrs. S. K. G-4-298418 | Headington Energy Partners, LLC | Rita (Consolidated) | Kenedy | 1 | 10.4K | 68.2K | Sep 2024 – Aug 2026 |
| Kenedy, John G. Jr. "J" G-4-209783 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 9.89K | 3.87M | Mar 2005 – Aug 2026 |
| King Ranch Alazan G-4-294546 | Headington Energy Partners, LLC | Alazan, North (Deep Frio) | Kleberg | 1 | 9.83K | 739K | Mar 2023 – Aug 2026 |
| Kenedy, John G. Jr. "J" G-4-201076 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 9.37K | 15.3M | Feb 2004 – Aug 2026 |
| Armstrong-Kenedy Gas Unit G-4-282625 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 9.04K | 757K | Nov 2017 – Jul 2026 |
| Armstrong, Tobin "S" O-4-14268 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 1 | 7.71K | 9.79K | Apr 2025 – Aug 2026 |
| East, T. T. "A" G-4-185103 | Headington Energy Partners, LLC | East (Segment East) | Jim Hogg | 1 | 7.45K | 585K | Sep 2001 – Jun 2020 |
| East, Mrs. S.K. 'B' G-4-284838 | Headington Energy Partners, LLC | Sarita, East (Frio) | Kenedy | 1 | 6.82K | 541K | Dec 2017 – Aug 2026 |
| East, S.K. Mrs. G-4-289094 | Headington Energy Partners, LLC | Rita (Consolidated) | Kenedy | 1 | 6.04K | 711K | Jul 2015 – Oct 2025 |
| Kenedy, John G., Jr."e" G-4-298519 | Headington Energy Partners, LLC | Sarita Shallow (Mio-Frio Cons.) | Kenedy | 1 | 5.79K | 905K | Nov 2024 – Aug 2026 |
| Armstrong, Tobin G-4-211347 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 1 | 4.98K | 410K | Feb 2005 – Jul 2024 |
| Kenedy, John G. Jr. "J" G-4-186225 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 4.16K | 8.33M | Aug 2001 – Aug 2026 |
| John G. Kenedy Jr. 'C' G-4-288000 | Headington Energy Partners, LLC | Mifflin (G-73 North) | Kenedy | 1 | 4.12K | 114K | Aug 2019 – Mar 2021 |
| Kenedy, John G. Jr. "J" G-4-179559 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 4.09K | 8.6M | Jul 2000 – Mar 2020 |
| East, Mrs. S. K. O-4-13853 | Headington Energy Partners, LLC | Rita (10-A-III) | Kenedy | 1 | 4.06K | 6.37K | Jul 2013 – Jan 2014 |
| Kenedy, John G. Jr. "J" G-4-193832 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 3.5K | 936K | Oct 2002 – Jan 2018 |
| Kenedy, John G. Jr. "J" G-4-188195 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 3.41K | 6.23M | Jan 2002 – Mar 2020 |
| Kenedy, John G. Jr. "J" G-4-244507 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 3.36K | 339K | Sep 2008 – Aug 2026 |
| Armstrong, Tobin G-4-208656 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 1 | 3.17K | 687K | Aug 2004 – Dec 2024 |
| Kenedy, John G. Jr. "J" G-4-194518 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 3.06K | 945K | Aug 2002 – Mar 2020 |
| Armstrong, Tobin G-4-201255 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 2.77K | 551K | Apr 2004 – Jul 2024 |
| Kenedy, John G. Jr. "J" G-4-185238 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 2.66K | 1.8M | Apr 2001 – Aug 2018 |
| Armstrong, Tobin G-4-202846 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 1 | 2.31K | 2.23M | Apr 2004 – Jul 2024 |
| Armstrong, Charles M. (Area X) G-4-136409 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 2.09K | 682K | May 2004 – Aug 2025 |
| Kenedy, John G. Jr. "F" O-4-13919 | Headington Energy Partners, LLC | El Paistle (Consolidated) | Kenedy | 1 | 1.86K | 1.89K | Sep 2013 – Sep 2014 |
| Armstrong, Tobin G-4-208655 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 1 | 1.84K | 810K | Aug 2004 – Apr 2025 |
| East, Mrs. S.K. G-4-254179 | Headington Energy Partners, LLC | Rita (Consolidated) | Kenedy | 1 | 1.73K | 501K | Sep 2009 – Jul 2018 |
| East, S.K. Mrs. G-4-297959 | Headington Energy Partners, LLC | Rita (Consolidated) | Kenedy | 1 | 1.45K | 120K | Sep 2024 – Aug 2026 |
| Armstrong, Tobin "S" G-4-245399 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 1 | 1.06K | 789K | Nov 2008 – Mar 2025 |
| Armstrong, Tobin G-4-288700 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 1 | 1.06K | 25 | Sep 2020 – Apr 2021 |
| Kenedy, John G. Jr. "E" G-4-198150 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 1.03K | 4.67M | Oct 2003 – Aug 2026 |
| East, S.K. Mrs. G-4-132829 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 1.01K | 2.58M | by Jan 1993 – Jun 2018 |
| Armstrong, Tobin "S" G-4-223881 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 1 | 901 | 608K | Dec 2006 – Apr 2023 |
| East, S.K. Mrs. G-4-72746 | Headington Energy Partners, LLC | Rita (Consolidated) | Kenedy | 1 | 795 | 818K | by Jan 1993 – Aug 2026 |
| East, S.K. Mrs. G-4-34024 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 785 | 831K | by Jan 1993 – Sep 2022 |
| Kenedy, John G. Jr. "K" G-4-188197 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 751 | 2.37M | Sep 2001 – Nov 2021 |