| Nicholson O-6-10741 | Southwest Operating, Inc.-Tyler | Chapel Hill (Rodessa) | Smith | 1 | 35.7K | 36.6K | by Jan 1993 – Aug 2015 |
| Dobbs, Dewitt O-6-10365 | Southwest Operating, Inc.-Tyler | Shirley-Barbara (Dexter 2ND) | Wood | 2 | 34.9K | 21 | by Jan 1993 – Mar 2015 |
| Rowan O-5-3481 | Southwest Operating, Inc.-Tyler | Van, West (Glen Rose) | Van Zandt | 1 | 34K | 31 | Aug 1994 – Jun 2025 |
| 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 |
| Tuggle-Jordan Unit O-5-3402 | Southwest Operating, Inc.-Tyler | Ham Gossett (Williams Lsvle.) | Kaufman | 1 | 33.2K | 38 | by Jan 1993 – Feb 1999 |
| 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 |
| Fife, D.C. O-5-3766 | Southwest Operating, Inc.-Tyler | Van, West (Rodessa -A-) | Van Zandt | 1 | 32.7K | 81.3K | Sep 2003 – Aug 2026 |
| Whatley "J" O-6-12702 | Southwest Operating, Inc.-Tyler | Manziel, SE. (Gloyd) | Wood | 1 | 31.5K | 600K | by Jan 1993 – Aug 2026 |
| Betts O-5-3063 | Southwest Operating, Inc.-Tyler | Alabama Ferry (Glenrose D, West) | Leon | 1 | 31K | 246K | 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 |
| Boatman, R.M. Unit O-3-25279 | Southwest Operating, Inc.-Tyler | Day | Madison | 1 | 26.5K | 1.52K | Feb 2009 – Apr 2023 |
| Holley, M. E. O-6-881 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 2 | 25.9K | 90 | by Jan 1993 – Aug 2026 |
| Mitchell, J. O-5-3864 | Southwest Operating, Inc.-Tyler | Thomas Lake (Rodessa B) | Henderson | 1 | 25.6K | 189 | Feb 2008 – 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 |
| Ferguson, J. B. O-5-2462 | Southwest Operating, Inc.-Tyler | Trinidad, S. (Rodessa) | Henderson | 1 | 25.1K | 11.5K | by Jan 1993 – Feb 2022 |
| 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 |
| Clem, O.E. O-5-2381 | Southwest Operating, Inc.-Tyler | Fruitvale, SE. (Rodessa, Upper) | Van Zandt | 1 | 24.1K | 124K | by Jan 1993 – Jul 2018 |
| 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 |
| Ware O-6-13531 | Southwest Operating, Inc.-Tyler | Ingram Trinity (Woodbine) | Anderson | 1 | 23.1K | 1.88K | Apr 1996 – Apr 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 |
| Clark, J. B. G-5-103570 | Southwest Operating, Inc.-Tyler | Van, West (Rodessa -A-) | Van Zandt | 1 | 19.1K | 294K | by Jan 1993 – Nov 2017 |
| Elrod "A" O-6-11219 | Southwest Operating, Inc.-Tyler | Purt,w. (Rodessa 10,200) | Anderson | 1 | 18.2K | 37.6K | by Jan 1993 – Feb 2018 |
| Shamburger Heirs O-6-13991 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -X-) | Wood | 1 | 17.1K | 9.26K | Feb 2000 – Dec 2019 |
| Reynolds, W. S. O-6-5901 | Southwest Operating, Inc.-Tyler | Manziel (Sub-Clarksville) | Wood | 2 | 16.6K | 261 | Nov 2005 – Aug 2026 |
| Brice Bonner O-5-4123 | Southwest Operating, Inc.-Tyler | Cheneyboro (Rodessa) | Navarro | 1 | 16.4K | 2.85K | May 2014 – Jul 2026 |
| Blackwell, W. H. Gas Unit G-6-121155 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak) | Wood | 1 | 16.2K | 1.19M | by Jan 1993 – Aug 2026 |
| Pittman, Maude O-6-15222 | Southwest Operating, Inc.-Tyler | Wildcat | Wood | 1 | 15.8K | 0 | Sep 2012 – May 2014 |
| Manziel Gas Unit #2 G-6-70733 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa) | Wood | 1 | 15.7K | 475K | by Jan 1993 – Aug 2026 |
| Lee Stewart O-6-15547 | Southwest Operating, Inc.-Tyler | Neuhoff (Clarksville) | Wood | 1 | 15.4K | 346K | Feb 2018 – Aug 2026 |
| Malone-Taylor G-6-167540 | Southwest Operating, Inc.-Tyler | Manziel, SE. (Rodessa X) | Wood | 1 | 15.3K | 808K | Jan 1998 – Aug 2026 |
| Carroll, J. S. O-6-1791 | Southwest Operating, Inc.-Tyler | Tennessee Colony (Rod., Lo.) | Anderson | 1 | 14.6K | 834 | by Jan 1993 – Aug 2026 |
| Noe, J. L. G-6-192009 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak) | Wood | 1 | 13.8K | 903K | Oct 2002 – Aug 2026 |
| Blackwell, C C O-6-15072 | Southwest Operating, Inc.-Tyler | Honey Hollow (Pettit Y) | Wood | 1 | 13.7K | 531K | Oct 2011 – Aug 2026 |
| Baylor University Unit G-6-268311 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -W-) | Wood | 1 | 13.6K | 331K | Nov 2012 – Aug 2026 |
| Billett O-6-13818 | Southwest Operating, Inc.-Tyler | Ingram Trinity (Woodbine) | Anderson | 1 | 13.6K | 2.05K | Feb 1998 – Apr 2026 |
| Peggy Unit O-5-2273 | Southwest Operating, Inc.-Tyler | Cheneyboro (Cotton Valley) | Navarro | 1 | 13K | 99.6K | Sep 1994 – Jul 2022 |
| NM 1213 O-5-4401 | Southwest Operating, Inc.-Tyler | Mexia | Limestone | 2 | 12.9K | 0 | Nov 2019 – Aug 2026 |
| Rowan, A. M. O-5-2096 | Southwest Operating, Inc.-Tyler | Van (Shallow) | Van Zandt | 2 | 12.9K | 50 | by Jan 1993 – Aug 2024 |
| McWhirter G-6-197111 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak -B-) | Wood | 1 | 11.7K | 340K | Aug 2003 – Aug 2026 |
| Pittman, E.N. Gas Unit 2 G-6-130388 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak) | Wood | 1 | 10.8K | 399K | by Jan 1993 – May 2009 |