| Gordin Estate O-2-6806 | Hilcorp Energy Company | LA Ward, North (5600) | 5 | 102K | 64.9K | Jan 1993 – Jul 2026 |
| Mauritz D O-2-10809 | Fredco | Mauritz, West (5400) | 1 | 102K | 9.75K | Jul 2014 – Jul 2026 |
| McCrory, W.W. O-2-6457 | Sue-Ann Operating, L.C. | Mayo | 1 | 99.6K | 39.7K | Jan 1993 – Oct 2013 |
| West Ranch "A" O-2-7607 | Hilcorp Energy Company | West Ranch (Venado Zone) | 5 | 99K | 140K | Jan 1993 – May 2009 |
| -L- Ranch Co. -A- O-2-874 | McGowan Working Partners, Inc. | Lolita (Marginulina Zone) | 12 | 95.4K | 97.4K | Jan 1993 – Jul 2026 |
| Stafford O-2-9863 | DCM Resources, LLC | LA Ward, NE. (6700) | 1 | 95.2K | 51.9K | Apr 2011 – Jul 2026 |
| Halamicek, J.M. O-2-7919 | Allegiant Resources, LLC | Ganado, West | 1 | 94.4K | 29.2K | Nov 1993 – Aug 2022 |
| Cravens, J. R. O-2-8154 | Angel Operating LLC | Ganado, West | 3 | 94K | 52.5K | Mar 1996 – Jul 2026 |
| West Ranch-State Oil & Gas Unit O-2-7314 | Hilcorp Energy Company | West Ranch, S. (Greta) | 5 | 89.7K | 150K | Jan 1993 – Jul 2026 |
| Niebuhr, A.L. O-2-7967 | Angel Operating LLC | Ganado, West (5400 Zone) | 3 | 87.9K | 116K | May 1994 – Jul 2026 |
| West Ranch State Oil & Gas UNIT1 O-2-9500 | Hilcorp Energy Company | West Ranch, S. (Frio 8200) | 2 | 87.7K | 466K | Aug 2010 – Sep 2020 |
| Moody Ranch O-2-5881 | Good Earth Services LLC | Moody Ranch (7280) | 1 | 87.5K | 119K | Jan 1993 – Jul 2026 |
| Bennett, John M. "B-F" O-2-8677 | McGowan Working Partners, Inc. | LA Salle, West (6300) | 1 | 87K | 193K | Nov 2001 – Jul 2026 |
| Toney, M.H., Mrs. O-2-7468 | Vintage Petroleum, Inc. | West Ranch (Frio 7600) | 1 | 84.3K | 160K | Jan 1993 – Aug 2001 |
| Toney, M. H., Mrs. O-2-4050 | Hilcorp Energy Company | West Ranch (Mitchell) | 4 | 84.1K | 123K | Jan 1993 – Jul 2026 |
| McDowell, Bertha Dell Unit O-2-5841 | Beard Oil Company, LLC | Gabrysch (6300) | 4 | 83.9K | 48.5K | Jan 1993 – Jul 2026 |
| Gabrysch O-2-2382 | Beard Oil Company, LLC | Gabrysch (6300) | 2 | 79.8K | 121K | Jan 1993 – Jul 2026 |
| Fowler, W.B. O-2-8060 | Angel Operating LLC | Ganado, West | 2 | 79.6K | 59.4K | Mar 1995 – Jul 2026 |
| Four Way Ranch O-2-9165 | Osyka Permian, LLC | Lolita, Deep (Worthy) | 1 | 78.5K | 0 | Mar 2002 – May 2008 |
| Drummond, J.H. O-2-11434 | Hilcorp Energy Company | West Ranch (Glasscock) | 6 | 78.4K | 1.21K | Nov 2017 – Jul 2026 |
| Mauritz O-2-6116 | Rodessa Operating Company | Mauritz, West (5400) | 1 | 77.8K | 532 | Jan 1993 – Jul 2026 |
| Eversberg, C. R. O-2-3415 | Allegiant Resources, LLC | Ganado, West (4700 Zone) | 3 | 76.4K | 74.9K | Jan 1993 – Dec 2022 |
| Kramer O-2-9235 | Southcoast Production Inc | Little Kentucky (Frio 6200) | 2 | 75.3K | 95.5K | Jun 2008 – Jul 2026 |
| Niebuhr, A. L. O-2-3422 | Angel Operating LLC | Ganado, West (4700 Zone) | 4 | 74.1K | 45.8K | Jan 1993 – Jul 2026 |
| Brooking, G. T. O-2-9193 | Britnic Oil & Gas, Inc. | Swan Lake (6950) | 1 | 74K | 55.4K | Oct 2007 – Jul 2026 |
| Power, James O-2-3423 | Angel Operating LLC | Ganado, West (4700 Zone) | 8 | 72.4K | 67.1K | Jan 1993 – Jul 2026 |
| Bennett, J. M. "R" O-2-8321 | Angel Operating LLC | West Ranch (Frio 5100) | 1 | 72.1K | 183K | Nov 1997 – Jul 2026 |
| Four Way Ranch O-2-7784 | McGowan Working Partners, Inc. | Lolita, Deep (7500 Zone) | 2 | 71.5K | 254K | Jan 1993 – Jul 2026 |
| McDowell, Bertha Dell O-2-8453 | Beard Oil Company, LLC | Gabrysch (6200) | 1 | 70.9K | 252K | May 1999 – Jul 2026 |
| Pressly, Edmonia O-2-9227 | Cordele Development Corporation | Cordele (M-3) | 1 | 70.3K | 0 | Jul 2008 – Jul 2026 |
| Traylor, Gene C. et al "A" O-2-7625 | Fredco | Laura (7450) | 1 | 69.4K | 26.7K | Jan 1993 – Aug 2015 |
| Hultquist, M O-2-6131 | KD Energy, LLC | Ganado (V-4) | 1 | 67.7K | 267K | Jan 1993 – Jul 2026 |
| Mauritz Bros. O-2-9157 | Fredco | Mauritz (6245) | 1 | 66.3K | 1.95K | Jun 2007 – Jul 2026 |
| Mauritz, H. & Trust O-2-7569 | Fredco | Mauritz (5500) | 1 | 66.2K | 7.66K | Jan 1993 – Feb 2013 |
| Johnson, Elmer O-2-7487 | McGowan Working Partners, Inc. | Lolita, Deep (4-Way Zone) | 2 | 66K | 201K | Jan 1993 – Jul 2026 |
| Bertha Dell McDowell Unit O-2-8699 | Beard Oil Company, LLC | Gabrysch (5650) | 1 | 65.8K | 197K | Jan 2002 – Jul 2026 |
| McDowell-Aimone Unit O-2-10573 | Beard Oil Company, LLC | Gabrysch (6300) | 1 | 65.5K | 158K | Jul 2013 – Jul 2026 |
| Hamons, Dan O-2-8841 | Aldine Oil and Gas, LP | Ganado, West (Charles Sand) | 1 | 65.3K | 8.17K | Mar 2003 – Jul 2026 |
| Yaussi "A" O-2-7821 | 1836 Energy LLC | Cordele, West (Aluohatac) | 1 | 64.1K | 133K | Jan 1993 – Jul 2026 |
| Patman O-2-10479 | Rincon Petroleum Corporation | Little Kentucky (Frio 5650) | 1 | 62.2K | 111K | Mar 2013 – Jul 2026 |
| Toney, M. H., Mrs. O-2-8282 | Hilcorp Energy Company | West Ranch (Lavaca) | 2 | 61.4K | 199K | Mar 1997 – Sep 2008 |
| Turner, E. A. "D" O-2-1676 | Frostwood Energy, LLC | West Ranch (Ward) | 9 | 61.1K | 1.36M | Jan 1993 – Jan 2019 |
| Fowler, W. B. O-2-1447 | Miller, W. C. Operating Company | Sandy Creek | 4 | 60.8K | 14.8K | Jan 1993 – Jul 2026 |
| West Ranch Unit No. 1 O-2-7704 | Vintage Petroleum, Inc. | West Ranch (6850) | 1 | 60K | 97.5K | Jan 1993 – Apr 2003 |
| Dugger/Seale Unit O-2-8586 | Acock/Anaqua Operating Co., LP | Swan Lake, N. (7100) | 1 | 59.8K | 125K | Nov 2000 – Aug 2017 |
| Mauritz, H. & Trust O-2-6374 | Fredco | Mauritz (5450 Frio) | 2 | 58.5K | 81 | Jan 1993 – Jul 2026 |
| LA Silliman O-2-11221 | KD Energy, LLC | Ganado (F- 4-A) | 1 | 57.1K | 43.1K | May 2015 – Jul 2026 |
| Turner, E.A O-2-7889 | Angel Operating LLC | West Ranch (Frio 5100) | 2 | 56.5K | 107K | Jul 1993 – Jul 2026 |
| Kramer O-2-7384 | Ffa Petroleum Services, Inc. | Little Kentucky (Frio 6630) | 1 | 56.3K | 11.9K | Jan 1993 – May 2004 |
| Meador Heirs Unit O-2-8505 | Sue-Ann Operating, L.C. | Edna, South (5230) | 1 | 56.2K | 125K | Jan 2000 – Dec 2011 |