| Harbaugh O-14-5635 | Chesapeake Operating, L.L.C. only | Hodges (Des Moines) | Ochiltree | 3 | 428K | 872K | Jan 1993 – Dec 2014 |
| Rumbaugh "67" O-8-26557 | D.K.D. only | Hrubetz (Tannehill) | Taylor | 11 | 357K | 11.5K | Jan 1993 – Jul 2026 |
| Longenbaugh, A. G. O-3-12320 | Hamman Oil & Refining Company only | Cypress (Y-9) | Harris | 3 | 227K | 173K | Jan 1993 – Apr 2020 |
| Arco Fee O-3-22273 | Neches Transport Inc. only | Highbaugh (L. Geronimo E. "A") | Tyler | 2 | 178K | 1M | Dec 1993 – Jul 2026 |
| Arco Fee O-3-23520 | Neches Transport Inc. only | Highbaugh (Wilcox 8700 Sand) | Tyler | 4 | 177K | 478K | May 1998 – Jul 2026 |
| East Texas Oil Co. Fee -G- O-3-2085 | Milestone Operating, Inc. only | Hicksbaugh | Tyler | 4 | 167K | 752K | Jan 1993 – Jul 2026 |
| Stobaugh-Rossow A O-1-20905 | Auterra Operating, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 159K | 40.3K | Jun 2022 – Jul 2026 |
| Stobaugh-Storey A O-1-21000 | Auterra Operating, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 153K | 42.5K | Jul 2022 – Jul 2026 |
| Baugh (Allocation) O-3-27092 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Madison | 1 | 152K | 450K | Oct 2014 – Jul 2026 |
| Lips Ranch -A- O-14-1624 | Presidio Petroleum LLC only | Paul Harbaugh (Atoka Sand) | Ochiltree | 1 | 152K | 966K | Jan 1993 – Jul 2026 |
| Arco Fee O-3-22203 | Roberson Oil Company only | Highbaugh (Geronimo Lo. WX) | Tyler | 4 | 136K | 653K | Nov 1993 – Oct 2000 |
| Stobaugh-Dawe O-1-17121 | Auterra Operating, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 135K | 52.1K | Jul 2013 – Jul 2026 |
| Harbaugh Courson 146 O-14-8702 | Courson Oil & Gas, Inc. only | Pan Petro (Cleveland) | Ochiltree | 1 | 132K | 1.4M | Jul 2011 – Jul 2026 |
| Harbaugh, P. A. O-14-4768 | Unbridled Resources, LLC only | Paul Harbaugh (Atoka Sand) | Ochiltree | 1 | 130K | 278K | Jan 1993 – Jul 2026 |
| Longenbaugh Josey Unit O-3-24771 | Hamman Oil & Refining Company only | Cypress (Y-9) | Harris | 1 | 115K | 5.64K | Oct 2005 – Jul 2020 |
| Ellwood O-10-20025 | Winn Operating, LLC only | Ray Albaugh (Wolfcamp) | — | 1 | 104K | 23 | Jan 1993 – Jul 2026 |
| Stobaugh-Smith O-1-17122 | Auterra Operating, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 102K | 52.6K | Jul 2013 – Jul 2026 |
| Nordin O-3-27098 | Fort Apache Energy, Inc. only | Hicksbaugh (Wilcox 8500) | Tyler | 1 | 100K | 99.9K | Oct 2014 – Jul 2026 |
| East Texas Oil Co. Fee -G- O-3-26209 | Milestone Operating, Inc. only | Hicksbaugh (Wilcox 5) | Tyler | 2 | 99.2K | 41.8K | Oct 2012 – Jul 2026 |
| Harbaugh Courson 146 O-14-8892 | Courson Oil & Gas, Inc. only | Pan Petro (Cleveland) | Ochiltree | 1 | 96K | 871K | Nov 2012 – Jul 2026 |
| Kirby O-3-21843 | Neches Transport Inc. only | Highbaugh (Wilcox Rochna Sand) | Tyler | 2 | 93.7K | 517K | Jan 1993 – Jul 2026 |
| Harbaugh, P.A. O-14-4453 | Courson Oil & Gas, Inc. only | Lone Butte (Cleveland) | Ochiltree | 6 | 79.3K | 670K | Jan 1993 – Jul 2026 |
| Red Angus 48 O-10-40872 | Purvis Operating Co. only | Ray Albaugh (Wolfcamp) | Mitchell | 2 | 77K | 21.6K | Feb 2011 – May 2015 |
| Longenbaugh, A.G. O-3-24791 | Hamman Oil & Refining Company only | Cypress (Y-6) | Harris | 1 | 76.3K | 2.41K | Dec 2005 – May 2019 |
| Rice, Wm. Institute -B- O-3-2087 | Milestone Operating, Inc. only | Hicksbaugh | Tyler | 3 | 68.6K | 60.8K | Jan 1993 – Jul 2026 |
| Harbaugh Courson 132 O-14-8687 | Courson Oil & Gas, Inc. only | Pan Petro (Cleveland) | Ochiltree | 2 | 67.3K | 450K | Jun 2011 – Jul 2026 |
| Harbaugh 142 O-14-8016 | Courson Oil & Gas, Inc. only | Pan Petro (Cleveland) | Ochiltree | 1 | 63.9K | 516K | Jul 2009 – Jul 2026 |
| Kirby O-3-21436 | Neches Transport Inc. only | Highbaugh (Wilcox a-2 Sand) | Tyler | 3 | 62.5K | 736K | Jan 1993 – Jul 2026 |
| Arco "B" O-3-23972 | Neches Transport Inc. only | Highbaugh (Wilcox 8700 Sand) | Tyler | 1 | 60.7K | 217K | Mar 2001 – Jul 2026 |
| Exxon Fee O-3-22920 | Neches Transport Inc. only | Highbaugh (Wilcox a-2 Sand) | Tyler | 1 | 57.6K | 223K | Feb 1996 – Jul 2026 |
| Harbaugh O-14-8218 | Chesapeake Operating, Inc. only | Ellis Ranch (Cleveland) | Ochiltree | 1 | 56.1K | 163K | Jul 2010 – Jan 2014 |
| Baughman O-7-8224 | Basa Resources, Inc. only | East Texas | — | 2 | 55.8K | 46.3K | Jan 1993 – Jul 2026 |
| Arco Fee O-3-23087 | Roberson Oil Company only | Highbaugh (Wilcox Rochna Sand) | Tyler | 1 | 49.2K | 249K | Apr 1996 – Jan 2001 |
| Baptist Foundation O-3-26818 | Fort Apache Energy, Inc. only | Hicksbaugh (Wilcox 8500) | Tyler | 1 | 42.2K | 168K | Aug 2014 – Jul 2026 |
| Elrick O-14-4315 | Atlas Operating LLC only | Paul Harbaugh (Cleveland) | — | 1 | 39.4K | 224K | Jan 1993 – Jul 2026 |
| Spade Ranch O-10-40875 | Crownquest Operating, LLC only | Ray Albaugh (Wolfcamp) | Mitchell | 4 | 39K | 7.62K | Jul 2010 – Jul 2026 |
| Longenbaugh O-3-24450 | Hamman Oil & Refining Company only | Cypress (Y-6) | Harris | 2 | 37.5K | 42.5K | Nov 2003 – Apr 2019 |
| Harbaugh O-8-24732 | Basin Operating Inc. only | F. L. (Conglomerate) | Shackelford | 1 | 33K | 848K | Jan 1993 – Jul 2026 |
| Longenbaugh Unit O-3-24497 | Hamman Oil & Refining Company only | Cypress (Y-6) | Harris | 1 | 32.9K | 18.8K | Jan 2004 – Apr 2020 |
| Arco Fee O-3-22118 | Pecos Petroleum Company only | Highbaugh (Geronimo Oil) | Tyler | 1 | 32.2K | 177K | Jun 1993 – Apr 1996 |
| Harbaugh -131- O-14-6286 | Unbridled Resources, LLC only | Lone Butte (Cleveland) | Ochiltree | 1 | 31.7K | 175K | Jan 1993 – Jul 2026 |
| Longenbaugh O-3-23024 | Hamman Oil & Refining Company only | Cypress (Y-6) | Harris | 1 | 31.7K | 248K | Jun 1996 – Aug 2001 |
| Kirby O-3-21780 | Quail Creek Oil Corporation only | Hicksbaugh (Yegua 5542) | Tyler | 1 | 25.8K | 39.9K | Jan 1993 – Jan 2011 |
| Baughman, M. A. O-6-14598 | Big Run Production Company only | Minden (Travis Peak Cons.) | Rusk | 1 | 22.3K | 175K | Apr 2006 – Jul 2026 |
| Harbaugh Courson 132 O-14-7911 | Midstates Petroleum Company LLC only | Ellis Ranch (Cleveland) | Ochiltree | 1 | 20.1K | 52.8K | Oct 2008 – Aug 2013 |
| Baugh O-8-32680 | Canan Mowrey Operating, LLC only | Old Glory, E. (Strawn) | Stonewall | 1 | 19.9K | 0 | Feb 2023 – Jul 2026 |
| Flowers, J.L. "A" O-14-4550 | H-S Exploration only | Paul Harbaugh (Cleveland) | Ochiltree | 1 | 17.2K | 19.5K | Jan 1993 – Jul 2026 |
| Ezj Ranch (East) O-10-37245 | Sharp Image Energy, Inc. only | Ray Albaugh (Wolfcamp) | Mitchell | 1 | 16.6K | 0 | Dec 2003 – Jul 2026 |
| Harbaugh O-14-4449 | Courson Oil & Gas, Inc. only | Lone Butte (Cleveland) | Ochiltree | 1 | 16.1K | 344K | Jan 1993 – Jul 2026 |
| Harbaugh, P. A. "A" O-14-4469 | Unbridled Resources, LLC only | Lone Butte (Cleveland) | Ochiltree | 1 | 15.3K | 170K | Jan 1993 – Jul 2026 |