| Kenedy, John G. Jr. "C" O-4-13914 | Headington Energy Partners, LLC | Mifflin (F-0103) | Kenedy | 4 | 295K | 366K | Mar 2014 – Aug 2026 |
| East, S.K. Mrs. -B- G-4-164324 | Headington Energy Partners, LLC | Sarita, East (O-Sand) | Kenedy | 1 | 268K | 11.7M | Jul 1997 – Apr 2010 |
| East, S.K. Mrs. O-4-13812 | Headington Energy Partners, LLC | Rita (Consolidated) | Kenedy | 26 | 216K | 1.32M | Feb 2014 – Aug 2026 |
| Sarita Field Oil & Gas Unit O-4-13623 | Headington Energy Partners, LLC | Sarita Shallow (Mio-Frio Cons.) | Kenedy | 43 | 161K | 267K | Sep 2014 – Aug 2026 |
| East, S.K. Mrs. G-4-284314 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 158K | 20.4M | Sep 2017 – Aug 2026 |
| King Ranch Visnaga G-4-295280 | Headington Energy Partners, LLC | Alazan, North (Deep Frio) | Kleberg | 1 | 132K | 943K | Mar 2023 – Aug 2026 |
| King Ranch Vadero O-4-14277 | Headington Energy Partners, LLC | Alazan, North (Deep Frio) | Kleberg | 1 | 131K | 263K | Mar 2026 – Aug 2026 |
| King Ranch Madero G-4-297068 | Headington Energy Partners, LLC | Alazan, North (Deep Frio) | Kleberg | 1 | 128K | 515K | Oct 2023 – Aug 2026 |
| East, S.K. Mrs. G-4-288136 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 124K | 13.8M | Jul 2019 – Aug 2026 |
| East, Mrs. S. K. "B" G-4-169650 | Headington Energy Partners, LLC | Sarita, East (O-Sand) | Kenedy | 1 | 123K | 4.61M | Aug 1998 – Oct 2025 |
| KMF G-4-288550 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 114K | 11.6M | Sep 2020 – Aug 2026 |
| East, S.K. Mrs. G-4-285930 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 113K | 15.5M | Nov 2018 – Aug 2026 |
| East, S.K. Mrs. G-4-285149 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 113K | 11.7M | Apr 2018 – Aug 2026 |
| King Ranch Visnaga G-4-295266 | Headington Energy Partners, LLC | Alazan, North (Deep Frio) | Kleberg | 1 | 107K | 1.27M | Oct 2022 – Aug 2026 |
| East, S.K. Mrs. G-4-285247 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 95.4K | 12.9M | Sep 2018 – Aug 2026 |
| Armstrong, Charles M. O-4-13273 | Headington Energy Partners, LLC | Candelaria (Consolidated) | Kenedy | 3 | 94.3K | 673K | Jan 2005 – Jun 2024 |
| KMF G-4-288880 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 79.6K | 7.88M | Dec 2019 – Aug 2026 |
| King Ranch Visnaga G-4-296331 | Headington Energy Partners, LLC | Alazan, North (Deep Frio) | Kleberg | 1 | 72.8K | 886K | Oct 2023 – Jun 2026 |
| East, S.K. Mrs. G-4-242568 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 67.4K | 16.7M | Sep 2008 – Jul 2019 |
| East, S.K. Mrs. G-4-286119 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 62.7K | 6.12M | Apr 2019 – Aug 2026 |
| East, S.K. Mrs. G-4-255756 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 62.6K | 7.79M | Jan 2010 – Aug 2026 |
| East, S.K. Mrs. G-4-283029 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 62.5K | 6.44M | Jun 2017 – Aug 2026 |
| Kenedy, John G., Jr."e" O-4-13625 | Headington Energy Partners, LLC | Sarita Shallow (Mio-Frio Cons.) | Kenedy | 3 | 60.3K | 76K | Feb 2017 – Aug 2026 |
| Kenedy, John G. Jr. "E" G-4-236755 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 60.2K | 9.48M | Sep 2007 – Aug 2026 |
| KMF G-4-288940 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 59.6K | 6.53M | Sep 2020 – Aug 2026 |
| Kenedy, John G. Jr. "E" G-4-234061 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 58.1K | 4.23M | Dec 2007 – Jul 2026 |
| KMF G-4-171964 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 55.2K | 9.08M | Jan 1999 – Jan 2011 |
| Kenedy, John G. Jr. 'C' O-4-13915 | Headington Energy Partners, LLC | Mifflin (G-73) | Kenedy | 1 | 49.4K | 223K | Mar 2014 – Feb 2025 |
| KMF G-4-155804 | Headington Energy Partners, LLC | Rita, S. E. (N-10, III) | Kenedy | 1 | 48.1K | 2.64M | Sep 1995 – Jan 1999 |
| Baffin Bay State Gas Unit No. 3 G-4-196135 | Headington Energy Partners, LLC | Baffin Bay (Frio) | Kenedy | 1 | 47.2K | 14.9M | May 2001 – Aug 2026 |
| KMF G-4-286011 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 43.4K | 9.24M | Jan 2019 – Aug 2026 |
| Baffin Bay State Gas Unit No. 3 G-4-196136 | Headington Energy Partners, LLC | Baffin Bay (Frio) | Kenedy | 1 | 38.4K | 7.54M | Dec 2002 – Jan 2018 |
| Kenedy, John G. Jr. "J" G-4-212634 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 37.3K | 1.39M | May 2005 – Mar 2020 |
| East, S.K. Mrs. G-4-265916 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 36.6K | 7.61M | Aug 2011 – Aug 2026 |
| Risken, Carl F. G-4-198408 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 36.4K | 6.44M | Jun 2003 – Aug 2026 |
| Kenedy, John G. Jr. "J" G-4-182482 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 36.1K | 6.89M | Nov 2000 – Aug 2026 |
| King Ranch Tullidos G-4-291309 | Headington Energy Partners, LLC | Candelaria, East (Deep Frio) | Kenedy | 1 | 36K | 1.38M | Aug 2021 – Aug 2026 |
| East, S.K. Mrs. G-4-282574 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 32.9K | 885K | Jun 2017 – May 2026 |
| Kenedy, John G. Jr. "E" G-4-223870 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 32.1K | 2.77M | Oct 2006 – Jul 2026 |
| Baffin Bay State Gas Unit No. 3 G-4-204430 | Headington Energy Partners, LLC | Baffin Bay (Frio) | Kenedy | 1 | 29.8K | 11.6M | May 2004 – Jul 2026 |
| Baffin Bay State Gas Unit No. 3 G-4-198151 | Headington Energy Partners, LLC | Baffin Bay (Frio) | Kenedy | 1 | 29.6K | 6.51M | Sep 2003 – Jan 2018 |
| East, Mrs. S. K. "B" G-4-170347 | Headington Energy Partners, LLC | Sarita, East (Frio) | Kenedy | 1 | 26.5K | 1.71M | Sep 1998 – Jul 2008 |
| Kenedy, John G. Jr. "J" G-4-254214 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 26.2K | 5.65M | Mar 2010 – Aug 2026 |
| KMF G-4-285860 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 23.6K | 3.85M | Oct 2018 – Aug 2026 |
| King Ranch Alazan G-4-296468 | Headington Energy Partners, LLC | Alazan, North (Deep Frio) | Kleberg | 1 | 23.5K | 1.68M | Oct 2023 – Aug 2026 |
| Kenedy, John G. Jr. "J" G-4-174530 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 23.3K | 15.2M | May 1999 – Aug 2026 |
| Kenedy,john G. Jr. "J" G-4-170624 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 22.5K | 7.13M | Sep 1998 – Aug 2026 |
| Risken, Carl F. G-4-197496 | Headington Energy Partners, LLC | El Paistle, Deep (Frio) | Kenedy | 1 | 21.7K | 6.59M | Dec 2002 – Aug 2026 |
| East, Mrs. S.K. G-4-271625 | Headington Energy Partners, LLC | Rita (Consolidated) | Kenedy | 1 | 21.6K | 163K | Oct 2013 – Mar 2016 |
| KMF G-4-287679 | Headington Energy Partners, LLC | Rita, S.E. (Consolidated) | Kenedy | 1 | 21K | 3.51M | Oct 2019 – Aug 2026 |