| Noe, J. L. O-6-863 | Southwest Operating, Inc.-Tyler | Manziel | Wood | 5 | 230K | 78 | by Jan 1993 – Aug 2026 |
| Shamburger, J. G. -A- O-6-877 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 2 | 202K | 52 | by Jan 1993 – Aug 2026 |
| Lloyd Unit O-6-14878 | Southwest Operating, Inc.-Tyler | Honey Hollow (Pettit Y) | Wood | 1 | 155K | 769K | Apr 2009 – Mar 2025 |
| Howle, Etal Unit O-6-861 | Southwest Operating, Inc.-Tyler | Manziel | Wood | 1 | 140K | 298 | by Jan 1993 – Aug 2026 |
| Taylor, E.J. O-6-10842 | Southwest Operating, Inc.-Tyler | Quitman (Travis Peak) | Wood | 1 | 139K | 111K | by Jan 1993 – Aug 2026 |
| Kirkland, N. J. O-6-1376 | Southwest Operating, Inc.-Tyler | Quitman | Wood | 2 | 115K | 14.1K | by Jan 1993 – Jul 2025 |
| Shamburger, J.G. O-6-13103 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 2 | 108K | 26 | by Jan 1993 – Aug 2026 |
| Taylor, Earnest O-6-5091 | Southwest Operating, Inc.-Tyler | Quitman (Derr) | Wood | 1 | 107K | 8.82K | by Jan 1993 – Aug 2026 |
| Pollard O-6-13099 | Southwest Operating, Inc.-Tyler | Winnsboro, SE. (Sub-Clarksville) | Wood | 1 | 97.9K | 38 | by Jan 1993 – Aug 2026 |
| Shamburger, J. G. -B- O-6-878 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 2 | 89.4K | 52 | by Jan 1993 – Aug 2026 |
| Stewart, Lee O-6-13181 | Southwest Operating, Inc.-Tyler | Hainesville (Cotton Valley, U.) | Wood | 1 | 82K | 817K | May 1993 – Aug 2026 |
| Pollard, O. D. O-6-875 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 2 | 79K | 149 | by Jan 1993 – Aug 2026 |
| Reynolds, S. R. O-6-864 | Southwest Operating, Inc.-Tyler | Manziel | Wood | 1 | 78.9K | 3.9K | by Jan 1993 – Aug 2026 |
| Holley, M. E. -A- O-6-5417 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 1 | 78.4K | 352 | by Jan 1993 – Aug 2026 |
| Kirkland, N. J. O-6-1419 | Southwest Operating, Inc.-Tyler | Quitman (Eagle Ford) | Wood | 1 | 77.1K | 6.96K | by Jan 1993 – Jul 2025 |
| Johnston, W. L. O-6-882 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 1 | 76.1K | 19 | by Jan 1993 – Aug 2026 |
| Mc Elyea, J. H. O-6-5471 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville FB A) | Wood | 2 | 76K | 18 | by Jan 1993 – Aug 2026 |
| Pittman, E. N. Etal O-6-884 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 6 | 75.8K | 325 | by Jan 1993 – Aug 2026 |
| Blalock, G. R. Unit O-6-1375 | Southwest Operating, Inc.-Tyler | Quitman | Wood | 1 | 73.4K | 8.56K | by Jan 1993 – Jan 2026 |
| Richardson, L. O-6-3129 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 1 | 59.9K | 19 | by Jan 1993 – Aug 2026 |
| Chappel Heirs O-6-5332 | Southwest Operating, Inc.-Tyler | Squash Hollow (Rodessa Gloyd) | Wood | 1 | 59.7K | 21 | by Jan 1993 – Aug 2026 |
| Chalmers, A. A. O-6-10191 | Southwest Operating, Inc.-Tyler | Quitman, SE (Paluxy) | Wood | 1 | 58K | 11.6K | by Jan 1993 – Aug 2026 |
| S. R. Reynolds -A- O-6-14411 | Southwest Operating, Inc.-Tyler | Manziel (Pettit Y) | Wood | 2 | 50.9K | 434K | Apr 2005 – Aug 2026 |
| Rappe, L. A. O-6-857 | Southwest Operating, Inc.-Tyler | Manziel | Wood | 1 | 48.4K | 26 | by Jan 1993 – Oct 2007 |
| Pollard, O.D. "A" O-6-13807 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 1 | 45.1K | 186 | Mar 1998 – Aug 2026 |
| Noe, H. H. O-6-15328 | Southwest Operating, Inc.-Tyler | Honey Hollow (Sub-Clarksville) | Wood | 3 | 41.8K | 438 | Nov 2012 – Aug 2026 |
| Herring, Leonard G-6-97487 | Southwest Operating, Inc.-Tyler | Quitman, NE. (Hill) | Wood | 1 | 40.5K | 426K | by Jan 1993 – Aug 2026 |
| Clay, Jerry H. O-6-15314 | Southwest Operating, Inc.-Tyler | Honey Hollow (Sub-Clarksville) | Wood | 2 | 39.9K | 55 | Feb 2012 – Aug 2026 |
| Sheppard-Whatley Unit O-6-874 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 2 | 35.8K | 48 | by Jan 1993 – Aug 2026 |
| Dobbs, Dewitt O-6-10365 | Southwest Operating, Inc.-Tyler | Shirley-Barbara (Dexter 2ND) | Wood | 2 | 34.9K | 21 | by Jan 1993 – Mar 2015 |
| Kimmey, T. O. Unit G-6-110901 | Southwest Operating, Inc.-Tyler | Manziel (Pettit Y) | Wood | 1 | 33.7K | 604K | by Jan 1993 – Aug 2026 |
| Pittman, Maude O-6-15482 | Southwest Operating, Inc.-Tyler | Honey Hollow (Sub-Clarksville) | Wood | 1 | 33.4K | 0 | Aug 2014 – Aug 2026 |
| Herring Estate O-6-12339 | Southwest Operating, Inc.-Tyler | Quitman, N.E. (Travis Peak) | Wood | 1 | 32.9K | 317K | by Jan 1993 – Aug 2026 |
| Denton, I. A. O-6-1421 | Southwest Operating, Inc.-Tyler | Quitman (Eagle Ford) | Wood | 1 | 32.7K | 166 | by Jan 1993 – Aug 2026 |
| Whatley "J" O-6-12702 | Southwest Operating, Inc.-Tyler | Manziel, SE. (Gloyd) | Wood | 1 | 31.5K | 600K | by Jan 1993 – Aug 2026 |
| Taylor Heirs O-6-12516 | Southwest Operating, Inc.-Tyler | Manziel, SE. (Rodessa V) | Wood | 1 | 29.2K | 215K | by Jan 1993 – May 2022 |
| Pittman, E.N. O-6-5851 | Southwest Operating, Inc.-Tyler | Manziel (Paluxy-A-) | Wood | 2 | 28.8K | 0 | May 1994 – Aug 2026 |
| Bailey, Doyle G-6-148537 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -X-) | Wood | 1 | 28.2K | 998K | Oct 1993 – Aug 2026 |
| Holley, M. E. O-6-881 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 2 | 25.9K | 90 | by Jan 1993 – Aug 2026 |
| Hudson O-6-5525 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville FB A) | Wood | 1 | 25.4K | 12 | by Jan 1993 – Jan 2020 |
| Malone-Taylor Unit O-6-12642 | Southwest Operating, Inc.-Tyler | Manziel, SE. (Rodessa V) | Wood | 1 | 24.9K | 349K | by Jan 1993 – Aug 2026 |
| Reynolds, W.S. G.U. G-6-126777 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -X-) | Wood | 1 | 24.8K | 937K | by Jan 1993 – May 2022 |
| Pittman, E. N. -A- O-6-13977 | Southwest Operating, Inc.-Tyler | Manziel (Paluxy-A-) | Wood | 1 | 24K | 7.84K | Nov 1999 – Aug 2026 |
| Holley, M.E. O-6-13838 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -W-) | Wood | 1 | 23.9K | 656K | Jun 1998 – Aug 2026 |
| S.R. Reynolds -B- Unit O-6-15173 | Southwest Operating, Inc.-Tyler | Manziel | Wood | 1 | 23.6K | 116 | Aug 2012 – Aug 2026 |
| Noe, J. L. G-6-31373 | Southwest Operating, Inc.-Tyler | Manziel (Pettit Y) | Wood | 1 | 22.7K | 1.04M | May 1997 – Jul 2017 |
| Pittman, E. N. et Al G-6-159642 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -X-) | Wood | 1 | 21.2K | 1.07M | May 1996 – Apr 2021 |
| McElyea, J.H.-1-B- O-6-5880 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -V-) | Wood | 1 | 21.2K | 660K | by Jan 1993 – Aug 2026 |
| Newman,w.h. O-6-4258 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -V-) | Wood | 1 | 20.6K | 21 | by Jan 1993 – Aug 2026 |
| Shamburger Heirs O-6-13991 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -X-) | Wood | 1 | 17.1K | 9.26K | Feb 2000 – Dec 2019 |