| Oyster Bayou Field Unit O-3-25515 | Denbury Onshore, LLC | Oyster Bayou | 102 | 23.1M | 2.94K | Jun 2010 – Jul 2026 |
| Cade, E. K. O-3-2095 | Big Lake Corporation | High Island | 74 | 2.24M | 1.18M | Jan 1993 – Jul 2026 |
| Federal Gayatt O-3-22502 | Hilcorp Energy Company | Franks, NW. (8900) | 2 | 1.25M | 831K | Apr 1994 – Jul 2026 |
| Trust Unit O-3-22288 | Hilcorp Energy Company | Franks, NW. (8900) | 2 | 1.08M | 362K | Feb 1994 – Jul 2026 |
| Stewart, Maco -a- 300 O-3-1631 | Gcows Operating LLC | Gillock (Big Gas) | 9 | 1.02M | 243K | Jan 1993 – Jul 2026 |
| Franks /8900 Sand/ Unit O-3-6493 | Hilcorp Energy Company | Franks (8900 Sand) | 21 | 705K | 1.2M | Jan 1993 – Jul 2026 |
| Alexander, Thos. P. Etal O-3-21769 | Hilcorp Energy Company | Franks, NW. (8900) | 2 | 698K | 340K | Jan 1993 – Sep 2025 |
| Moody Estate Trustee O-3-21166 | Sandpoint Texas LLC | Sweetwater Lake (S-1) | 2 | 492K | 186K | Jan 1993 – Jul 2026 |
| Trust O-3-21999 | Hilcorp Energy Company | Franks, NW. (8900) | 3 | 435K | 367K | Apr 1993 – Jul 2026 |
| C. E. Franks Gas Unit O-3-24409 | Hilcorp Energy Company | Franks (Banfield) | 1 | 419K | 1.57M | Aug 2003 – Jul 2026 |
| Cade, E. Ker -a- R/a -A- O-3-2103 | Sandpoint Texas LLC | High Island | 16 | 377K | 239K | Jan 1993 – Jul 2026 |
| Camp Wallace O-3-24461 | Houston Oil Prod Enterprises,inc | Franks, NW. (8900) | 1 | 324K | 109K | Oct 2003 – Jul 2026 |
| Obrien, E., Unit 6 O-3-7174 | Big Lake Corporation | High Island | 2 | 301K | 175K | Jan 1993 – Jul 2026 |
| Cade, E. Ker -a- R/a -C- O-3-2105 | Sandpoint Texas LLC | High Island | 5 | 284K | 47.9K | Jan 1993 – Jul 2026 |
| Stewart, Maco O-3-4721 | Progenies Operating LLC | Gillock (Big Gas) | 6 | 268K | 267K | Jan 1993 – Jul 2026 |
| Zinn Unit O-3-23010 | North Lake Resources LLC | Pabst (9200) | 1 | 258K | 238K | Apr 1996 – Jul 2026 |
| Moody National Bank O-3-21298 | Hilcorp Energy Company | Franks, NW. (8900) | 1 | 239K | 144K | Jan 1993 – Jan 2009 |
| Bruce O-3-19073 | Gasper Rice Resources, Ltd. | Alta Loma, NE. (U. Mdl. Andrau) | 1 | 236K | 3.05M | Jan 1993 – Jul 2026 |
| McNeill "B" O-3-12346 | Sandpoint Texas LLC | High Island | 3 | 228K | 51 | Jan 1993 – Jul 2026 |
| Emma Ruege Oil Unit O-3-16847 | Tema Oil and Gas Company | Hastings,s.e.(f-46 Seg,b Upper) | 1 | 225K | 250K | Jan 1993 – Jun 2007 |
| Pabst-Wilkens O-3-22869 | Home Petroleum Corp. | Pabst (9200) | 2 | 220K | 162K | Oct 1995 – Jul 2026 |
| Roberts & Mueller O-3-7295 | Big Lake Corporation | High Island | 8 | 215K | 80.4K | Jan 1993 – Jul 2026 |
| Thos. Alexander Unit O-3-22287 | Hilcorp Energy Company | Franks, NW. (8900) | 1 | 209K | 114K | Jan 1994 – Apr 2016 |
| Smith, George E. -B- R/a -A- O-3-2119 | Sandpoint Texas LLC | High Island | 7 | 201K | 4.82K | Jan 1993 – Jul 2026 |
| Cortese Unit O-3-22221 | El Tres Exploration | Franks (Schenck Sand) | 1 | 196K | 302K | Aug 1993 – Oct 1998 |
| Tibaldo, Louis O-3-15621 | Womack Operating, LLC. | Tibaldo (Schenck Sd. Upper) | 2 | 181K | 249K | Jan 1993 – Jul 2026 |
| State - Kohfeldt Unit O-3-1648 | Promise Energy Operations, LLC | Gillock (East Segment) | 10 | 175K | 230K | Jan 1993 – Jul 2026 |
| Houston Farms O-3-22956 | Reef Exploration, L.P. | Longhorn Ranch (Sarah) | 1 | 170K | 66K | Nov 1995 – Jul 2013 |
| Obrien, Erin, Etal, Unit 1 O-3-6121 | Big Lake Corporation | High Island | 2 | 167K | 68.9K | Jan 1993 – Jul 2026 |
| Smith, George E. -a- R/a -A- O-3-2117 | Sandpoint Texas LLC | High Island | 6 | 165K | 336 | Jan 1993 – Jul 2026 |
| Moody Unit O-3-23833 | Sandpoint Texas LLC | Aquarium (S-1) | 1 | 158K | 104K | Feb 2000 – Jul 2026 |
| Cade, Henshaw O-3-24474 | Linc Gulf Coast Petroleum, Inc. | High Island | 1 | 156K | 0 | Nov 2003 – Apr 2015 |
| Cade-Zinn & Forman O-3-23727 | Vast Oil TX Operating LLC | Caplen (FB-1, 2-A) | 1 | 152K | 35.2K | Sep 1999 – Jul 2026 |
| Gordon O-3-24391 | Hunt, Hassie Exploration Company | Franks (Banfield) | 3 | 142K | 926K | Jun 2003 – Apr 2007 |
| Cortese Unit O-3-24536 | Hilcorp Energy Company | Franks (Schenck Upper) | 1 | 128K | 379K | Apr 2004 – Jun 2026 |
| Aronsfeld Oil Unit O-3-25475 | Hilcorp Energy Company | Franks (Harris, Oil) | 2 | 118K | 381K | Feb 2010 – Jul 2026 |
| Gulf Interstate Fee "A" O-3-14334 | Sandpoint Texas LLC | High Island | 2 | 118K | 18.1K | Jan 1993 – Jul 2026 |
| Outterside, A. J. O-3-1269 | Redbird Oilfield Services Corp. | Dickinson | 3 | 115K | 11.6K | Jan 1993 – Jul 2026 |
| Camp Wallace D O-3-25132 | Hilcorp Energy Company | Franks (Schenck Sand) | 1 | 114K | 318K | Mar 2008 – Aug 2024 |
| Ott, C.E. et Al O-3-14258 | Redbird Oilfield Services Corp. | League City (9700) | 1 | 113K | 125K | Jan 1993 – Jul 2026 |
| Bruce O-3-18580 | Gasper Rice Resources, Ltd. | Alta Loma, NE. (Lower Andreau) | 2 | 110K | 208K | Jan 1993 – Jul 2026 |
| Franks, C. E. Oil Unit # 1 O-3-24342 | Hunt, Hassie Exploration Company | Franks (Schenck Upper) | 1 | 105K | 474K | Feb 2003 – Apr 2007 |
| Stewart, Maco /a/ 390 O-3-1633 | Gcows Operating LLC | Gillock (Big Gas) | 11 | 105K | 732K | Jan 1993 – Jul 2026 |
| Gordon O-3-25956 | Hilcorp Energy Company | Franks (Schenck Upper) | 1 | 104K | 306K | Jun 2012 – Nov 2018 |
| Middleton, Archie O-3-3313 | Denbury Onshore, LLC | Oyster Bayou | 12 | 104K | 1.23M | Jan 1993 – Jul 2010 |
| McNeill "A" O-3-12608 | Sandpoint Texas LLC | High Island | 4 | 99.8K | 49 | Jan 1993 – Jul 2026 |
| Tidwell O-3-28168 | Kaler Energy Corp. | League City (9000 Best) | 1 | 97.3K | 55.4K | Jan 2024 – Jul 2026 |
| Hovey, Blanche Unit O-3-11540 | Tema Oil and Gas Company | Hastings,s.e.(f-46 Seg,b Upper) | 1 | 95.8K | 329K | Jan 1993 – Jan 2003 |
| Slataper-Peterson Unit O-3-10732 | Cross Timbers Operating Company | Hastings, S.e.(f-45 Seg-A-) | 1 | 95.2K | 139K | Jan 1993 – Aug 1998 |
| Caffery, Taylor O-3-24495 | Sandpoint Texas LLC | High Island | 1 | 94.7K | 0 | Jan 2004 – Jul 2026 |