| Bedgood Estate G-6-118211 | Southwest Operating, Inc.-Tyler | McLeod, North (Smackover) | Cass | 1 | 119K | 4.11M | Jan 1993 – Oct 2018 |
| Herring, Leonard G-6-97487 | Southwest Operating, Inc.-Tyler | Quitman, NE. (Hill) | Wood | 1 | 40.5K | 426K | Jan 1993 – Apr 2026 |
| Kimmey, T. O. Unit G-6-110901 | Southwest Operating, Inc.-Tyler | Manziel (Pettit Y) | Wood | 1 | 33.7K | 604K | Jan 1993 – Apr 2026 |
| Bailey, Doyle G-6-148537 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -X-) | Wood | 1 | 28.2K | 997K | Oct 1993 – Apr 2026 |
| Reynolds, W.S. G.U. G-6-126777 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -X-) | Wood | 1 | 24.8K | 937K | Jan 1993 – May 2022 |
| 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 |
| Clark, J. B. G-5-103570 | Southwest Operating, Inc.-Tyler | Van, West (Rodessa -A-) | Van Zandt | 1 | 19.1K | 294K | Jan 1993 – Nov 2017 |
| Blackwell, W. H. Gas Unit G-6-121155 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak) | Wood | 1 | 16.2K | 1.19M | Jan 1993 – Apr 2026 |
| Manziel Gas Unit #2 G-6-70733 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa) | Wood | 1 | 15.7K | 473K | Jan 1993 – Apr 2026 |
| Malone-Taylor G-6-167540 | Southwest Operating, Inc.-Tyler | Manziel, SE. (Rodessa X) | Wood | 1 | 15.1K | 804K | Jan 1998 – Apr 2026 |
| Noe, J. L. G-6-192009 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak) | Wood | 1 | 13.8K | 903K | Oct 2002 – Apr 2026 |
| Baylor University Unit G-6-268311 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -W-) | Wood | 1 | 13.5K | 328K | Nov 2012 – Apr 2026 |
| McWhirter G-6-197111 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak -B-) | Wood | 1 | 11.7K | 339K | Aug 2003 – Apr 2026 |
| Pittman, E.N. Gas Unit 2 G-6-130388 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak) | Wood | 1 | 10.8K | 399K | Jan 1993 – May 2009 |
| Allen, Lou E. et Al G-6-90138 | Southwest Operating, Inc.-Tyler | Jecan | Anderson | 1 | 10.5K | 397K | Jan 1993 – Sep 2003 |
| Noe, J.L. G-6-133739 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -X-) | Wood | 1 | 8.02K | 361K | Jan 1993 – Apr 2026 |
| Holland G-6-130767 | Southwest Operating, Inc.-Tyler | Purt,w. (Rodessa 10,200) | Anderson | 1 | 6.9K | 144K | Jan 1993 – Jul 2018 |
| Kickapoo Creek Gas Unit G-6-299503 | Southwest Operating, Inc.-Tyler | Overton (Travis Peak) | Smith | 1 | 6.8K | 263K | Mar 2025 – Apr 2026 |
| Sheppard "C" G-6-186585 | Southwest Operating, Inc.-Tyler | Manziel, SE. (Gloyd) | Wood | 1 | 6.45K | 497K | Dec 2001 – Apr 2026 |
| Prince Gas Unit G-6-129949 | Southwest Operating, Inc.-Tyler | Joliat (Travis Peak) | Nacogdoches | 1 | 6.12K | 714K | Jan 1993 – Nov 2022 |
| Lee, Eddie C. G-6-158439 | Southwest Operating, Inc.-Tyler | Toolan (Pettit, Lower) | Nacogdoches | 1 | 5.7K | 554K | May 1996 – Apr 2026 |
| Kickapoo Creek Gas Unit G-6-200864 | Southwest Operating, Inc.-Tyler | Overton (Cotton Valley Sand) | Smith | 1 | 5.68K | 733K | Jan 2004 – Feb 2024 |
| Melton G-6-211613 | Southwest Operating, Inc.-Tyler | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 5.39K | 894K | Mar 2005 – Apr 2026 |
| Terrell G-6-164386 | Southwest Operating, Inc.-Tyler | Purt,w. (Rodessa 10,200) | Anderson | 1 | 5.31K | 47.4K | Jun 1997 – Oct 2012 |
| Reynolds, S. R. Unit G-6-16371 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa -X-) | Wood | 1 | 5.04K | 286K | Jan 1993 – Apr 2026 |
| Spivey G-6-225274 | Southwest Operating, Inc.-Tyler | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 4.91K | 193K | May 2006 – Sep 2007 |
| Hunt, Lacy G-6-228596 | Southwest Operating, Inc.-Tyler | Trawick,n (Travis Peak) | Nacogdoches | 1 | 4.87K | 256K | Mar 2007 – Nov 2021 |
| Christopher G-6-218376 | Southwest Operating, Inc.-Tyler | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 4.69K | 586K | Jan 2006 – Jun 2014 |
| Gray G-6-215475 | Southwest Operating, Inc.-Tyler | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 4.52K | 435K | Aug 2005 – Apr 2026 |
| Rogers, B., Mrs. et Al G-6-37100 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak) | Wood | 1 | 4.16K | 314K | Jan 1993 – Apr 2026 |
| Pittman, E. N. et Al G-6-116255 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak) | Wood | 1 | 3.13K | 178K | Jan 1993 – Apr 1996 |
| Acme Brick G-6-114158 | Southwest Operating, Inc.-Tyler | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 2.89K | 255K | Jan 1993 – Apr 2026 |
| Reynolds, W. S. G-6-16375 | Southwest Operating, Inc.-Tyler | Manziel (Pettit Y) | Wood | 1 | 2.74K | 125K | Jan 1993 – Apr 2026 |
| Hunt, Lacy G-6-243585 | Southwest Operating, Inc.-Tyler | Trawick, N. (Pettit) | Nacogdoches | 1 | 2.42K | 280K | Aug 2007 – Jun 2015 |
| McDuffie, Herman G-6-158440 | Southwest Operating, Inc.-Tyler | Toolan (Pettit, Lower) | Nacogdoches | 1 | 2.26K | 266K | May 1996 – Apr 2026 |
| Prince G-6-238343 | Southwest Operating, Inc.-Tyler | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 2.25K | 254K | May 2008 – May 2021 |
| Bryant G-6-121977 | Southwest Operating, Inc.-Tyler | Naconiche Creek (Rod.-TP Cons.) | Rusk | 1 | 2.12K | 224K | Jan 1993 – Aug 2024 |
| Hunt, Lacy G-6-229586 | Southwest Operating, Inc.-Tyler | Trawick,n (Travis Peak) | Nacogdoches | 1 | 2.03K | 320K | Mar 2007 – Nov 2019 |
| Hunt, Lacy G-6-228440 | Southwest Operating, Inc.-Tyler | Trawick,n (Travis Peak) | Nacogdoches | 1 | 2.02K | 393K | Jun 2007 – Nov 2019 |
| Hunt, Lacy G-6-230254 | Southwest Operating, Inc.-Tyler | Trawick,n (Travis Peak) | Nacogdoches | 1 | 1.59K | 310K | Jun 2007 – Nov 2019 |
| Adams G-6-123496 | Southwest Operating, Inc.-Tyler | Toolan (Pettit, Lower) | Nacogdoches | 1 | 1.48K | 288K | Jan 1993 – Jan 2021 |
| Noe, J. L. G-6-98679 | Southwest Operating, Inc.-Tyler | Manziel (Travis Peak) | Wood | 1 | 1.39K | 24.1K | Jan 1993 – May 1997 |
| Osborne, G. J. G-3-147415 | Southwest Operating, Inc.-Tyler | Madisonville (Dexter Lower) | Madison | 1 | 1.23K | 191K | Jan 1993 – Mar 1996 |
| Bailey, Doyle G-6-133581 | Southwest Operating, Inc.-Tyler | Manziel (Rodessa) | Wood | 1 | 977 | 20.2K | Jan 1993 – Sep 1993 |
| Corr, Roland G-6-115882 | Southwest Operating, Inc.-Tyler | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 654 | 107K | Jan 1993 – Feb 2022 |
| Carpenter, BH B G-5-110767 | Southwest Operating, Inc.-Tyler | Ingram Trinity (Sub-Clarksville) | Freestone | 1 | 351 | 202K | Jan 1993 – Oct 2011 |
| Lively, Dee Garrett Gas Unit A G-5-90807 | Southwest Operating, Inc.-Tyler | Cheneyboro, SW. (9585) | Navarro | 1 | 334 | 4.82K | Jan 1993 – Aug 1997 |
| Allen, Lou E. Gas Unit G-6-97201 | Southwest Operating, Inc.-Tyler | Jecan | Anderson | 1 | 170 | 276 | Mar 2000 – Apr 2004 |
| Hunt, Lacy H. II G-6-89950 | Southwest Operating, Inc.-Tyler | Trawick (Travis Peak) | Nacogdoches | 1 | 154 | 168K | Jan 1993 – Nov 2019 |