| East, S. K. Mrs. -B- G-4-162319 | Headington Oil Company LLC only | Sarita, East (O-Sand) | Kenedy | 1 | 343K | 15.8M | Mar 1997 – Apr 2004 |
| East, S.K. Mrs. -B- G-4-164324 | Headington Energy Partners, LLC only | Sarita, East (O-Sand) | Kenedy | 1 | 268K | 11.7M | Jul 1997 – Apr 2010 |
| East, Mrs. S.K. "B" G-4-240300 | Newfield Exploration Company only | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 221K | 4.62M | May 2008 – Nov 2014 |
| Santa FE Julian Pasture G-4-247404 | Abaco Operating, LLC only | Ball Ranch (Vicksburg Cons.) | Kenedy | 1 | 180K | 3.17M | Feb 2009 – Aug 2026 |
| East, S.K. Mrs. G-4-284314 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 158K | 20.4M | Sep 2017 – Aug 2026 |
| East, S.K. Mrs. G-4-288136 | Headington Energy Partners, LLC only | 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 only | Sarita, East (O-Sand) | Kenedy | 1 | 123K | 4.61M | Aug 1998 – Oct 2025 |
| KMF G-4-288550 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 114K | 11.6M | Sep 2020 – Aug 2026 |
| East, S.K. Mrs. G-4-285930 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 113K | 15.5M | Nov 2018 – Aug 2026 |
| East, S.K. Mrs. G-4-285149 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 113K | 11.7M | Apr 2018 – Aug 2026 |
| Garcia et Al G-4-191722 | Kaler Energy Corp. only | Garcia Ranch (L-40,WEST) | Kenedy | 1 | 111K | 6.85M | Sep 2002 – Mar 2020 |
| East, S. K Mrs. -B- G-4-166440 | Exxon Mobil Corporation only | Sarita, East (O-Sand) | Kenedy | 1 | 106K | 5.19M | Dec 1997 – Jun 2004 |
| East, S.K. Mrs. G-4-285247 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 95.4K | 12.9M | Sep 2018 – Aug 2026 |
| East, Mrs. S. K. "B" G-4-171102 | Headington Oil Company LLC only | Sarita, East (Frio) | Kenedy | 1 | 93.1K | 12M | Nov 1998 – May 2010 |
| Kleberg, R J Jr TR Stillman G-4-271415 | EOG Resources, Inc. only | Stillman (Deep Cons.) | Kenedy | 1 | 86.9K | 20.7M | Sep 2013 – Jun 2025 |
| East, S.K. G-4-98733 | Newfield Exploration Company only | Sarita, East (O-Sand) | Kenedy | 1 | 84.3K | 14.8M | by Jan 1993 – Jul 2000 |
| Burns, M. G. G-4-196586 | Kaler Energy Corp. only | Areto (Frio 13,300) | Kenedy | 1 | 84K | 2.07M | Jul 2003 – Sep 2008 |
| Stewart G-4-156253 | Dewbre Petroleum Corporation only | Santa Rosa (10,700) | Kenedy | 1 | 82.1K | 7.32M | Nov 1995 – Aug 2026 |
| KMF G-4-288880 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 79.6K | 7.88M | Dec 2019 – Aug 2026 |
| Mrs. S. K. East "B" G-4-172323 | Headington Oil Company LLC only | Sarita, East (O-Sand) | Kenedy | 1 | 73.6K | 3.65M | Jan 1999 – Jun 2004 |
| Clark-Sain G-4-189119 | Abaco Operating, LLC only | Loco Sueno (Vicksburg QE 1) | Kenedy | 1 | 71.8K | 2.59M | May 2002 – Dec 2025 |
| East, S.K. Mrs. G-4-242568 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 67.4K | 16.7M | Sep 2008 – Jul 2019 |
| Burns, M. G. G-4-183950 | Kaler Energy Corp. only | Tordilla, North-NC (L-41) | Kenedy | 1 | 62.9K | 4.63M | Aug 2001 – Nov 2010 |
| East, S.K. G-4-119158 | Hilcorp Energy Company only | Sarita, East (Frio) | Kenedy | 1 | 62.9K | 18.1M | by Jan 1993 – Aug 2026 |
| East, S.K. Mrs. G-4-286119 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 62.7K | 6.12M | Apr 2019 – Aug 2026 |
| East, Mrs. S.K. "B" G-4-218284 | Hilcorp Energy Company only | Sarita, East (Frio) | Kenedy | 1 | 62.6K | 8.91M | Mar 2006 – Mar 2021 |
| East, S.K. Mrs. G-4-255756 | Headington Energy Partners, LLC only | 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 only | Rita, S.E. (Consolidated) | Kenedy | 1 | 62.5K | 6.44M | Jun 2017 – Aug 2026 |
| Kenedy, John G. Jr. "E" G-4-236755 | Headington Energy Partners, LLC only | El Paistle, Deep (Frio) | Kenedy | 1 | 60.2K | 9.48M | Sep 2007 – Aug 2026 |
| Clark-Sain G-4-187581 | Abaco Operating, LLC only | Loco Sueno (Vicksburg QE 1) | Kenedy | 1 | 59.7K | 2.67M | Jan 2002 – Aug 2026 |
| KMF G-4-288940 | Headington Energy Partners, LLC only | 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 only | El Paistle, Deep (Frio) | Kenedy | 1 | 58.1K | 4.23M | Dec 2007 – Jul 2026 |
| East, Mrs. S. K. "B" G-4-251671 | Hilcorp Energy Company only | Sarita, East (Frio) | Kenedy | 1 | 56.4K | 8.5M | Jun 2009 – Aug 2026 |
| East, S.K. G-4-161936 | Newfield Exploration Company only | Sarita, East (O-Sand) | Kenedy | 1 | 55.8K | 7.25M | Dec 1996 – Oct 1999 |
| KMF G-4-171964 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 55.2K | 9.08M | Jan 1999 – Jan 2011 |
| East, Mrs. S.K. "B" G-4-234348 | Newfield Exploration Company only | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 52.9K | 7.92M | Nov 2007 – Apr 2011 |
| Stewart G-4-143639 | Apache Corporation only | Santa Rosa (10,700) | Kenedy | 1 | 51.6K | 1.95M | by Jan 1993 – Sep 1996 |
| KMF G-4-155804 | Headington Energy Partners, LLC only | 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 only | Baffin Bay (Frio) | Kenedy | 1 | 47.2K | 14.9M | May 2001 – Aug 2026 |
| KMF 120 G-4-186773 | Sarita Energy Resources, Ltd. only | Potrero Toro (Frio G 89) | Kenedy | 1 | 46.7K | 1.59M | Jun 2001 – Aug 2004 |
| Sarita Field O&G Unit G-4-255423 | Hilcorp Energy Company only | Sarita Shallow (Mio-Frio Cons.) | Kenedy | 1 | 46.1K | 1.2M | Dec 2009 – Mar 2026 |
| Kleberg, R J Jr TR Stillman G-4-286617 | EOG Resources, Inc. only | Stillman (Deep Cons.) | Kenedy | 1 | 46K | 732K | Aug 2018 – Dec 2020 |
| East, Mrs. S.K. "B" G-4-222222 | Hilcorp Energy Company only | Sarita, East (Frio) | Kenedy | 1 | 45.9K | 3.85M | Aug 2006 – Aug 2026 |
| East, S. K. Mrs "B" G-4-170859 | Headington Oil Company LLC only | Sarita, East (O-Sand) | Kenedy | 1 | 45.4K | 2.04M | Sep 1998 – Mar 2001 |
| East, S. K. G-4-240981 | Hilcorp Energy Company only | Sarita, East (Frio) | Kenedy | 1 | 44.6K | 4.92M | Nov 2007 – Aug 2026 |
| East, Mrs. S.K. "B" G-4-222804 | Newfield Exploration Company only | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 43.9K | 6.61M | Sep 2006 – Feb 2011 |
| KMF G-4-286011 | Headington Energy Partners, LLC only | Rita, S.E. (Consolidated) | Kenedy | 1 | 43.4K | 9.24M | Jan 2019 – Aug 2026 |
| Burns, M. G. G-4-200426 | Kaler Energy Corp. only | Areto (Frio 13,300) | Kenedy | 1 | 41.2K | 898K | Dec 2003 – Jan 2011 |
| East, S. K. Mrs. -B- G-4-165077 | Exxon Mobil Corporation only | Sarita, East (Frio) | Kenedy | 1 | 39.7K | 4.64M | Oct 1997 – Jul 2000 |
| East, Mrs. S. K. "B" G-4-174009 | Headington Oil Company LLC only | Sarita, East (Frio) | Kenedy | 1 | 39.6K | 5.45M | Jul 1999 – Jun 2006 |