| Parsons, A.L. O-3-17259 | Rumble Energy LLC only | Aggieland (Woodbine) | Brazos | 1 | 152K | 2.53M | Jan 1993 – Jul 2026 |
| Parsons O-8-21021 | Clear Fork, Incorporated only | Parsons (Ellenburger) | Nolan | 2 | 130K | 144K | Jan 1993 – Jul 2026 |
| Parsons SD O-11-69246 | Gunn Oil Company only | Dalwood (Woods Lime) | Dickens | 2 | 61.4K | 0 | Jun 2008 – Jul 2026 |
| Cunningham O-8-21881 | Clear Fork, Incorporated only | Parsons (Ellenburger) | Nolan | 1 | 57.4K | 49.6K | Jan 1993 – Aug 2023 |
| Cunningham O-8-23425 | Clear Fork, Incorporated only | Parsons (Strawn Sand) | Nolan | 1 | 41.2K | 35.6K | Jan 1993 – Jul 2026 |
| Parsons A O-11-69497 | Gunn Oil Company only | Dalwood (Woods Lime) | Dickens | 1 | 34.2K | 0 | Jan 2010 – Jul 2026 |
| Parsons O-8-24120 | Cockrell Production Co., Inc. only | Parsons (Ellenburger) | Nolan | 1 | 16.9K | 10.5K | Jan 1993 – Apr 2018 |
| Parson, I. M. "K" O-8-26843 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 15.7K | 98.5K | Mar 1993 – Feb 2010 |
| Parsons, L. W. O-13-16949 | G. A. Hawkins Operating, LLC only | Young County Regular | — | 2 | 12.3K | 90.1K | Jan 1993 – Jul 2026 |
| Parsons, I. M. "M" O-8-26961 | 3 S Production, Inc. only | Parsons (Gray) | Callahan | 1 | 6.89K | 81.3K | Jul 1993 – May 2019 |
| Alderman O-8-23722 | Cockrell Production Co., Inc. only | Parsons (Ellenburger) | Nolan | 1 | 6.1K | 3.24K | Jan 1993 – Nov 1998 |
| Parsons, I. M. "I" O-8-26687 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 5.77K | 11.3K | Jan 1993 – Feb 2010 |
| Young O-8-26519 | Whitt Oil & Gas, Inc. only | Parsons (Gray) | Callahan | 1 | 4.6K | 53 | Jan 1993 – Feb 2017 |
| Parsons O-8-31988 | 3 S Production, Inc. only | Parsons (Gray) | Callahan | 1 | 4.31K | 67.7K | May 2015 – Jul 2026 |
| Parsons, Ina Mae O-8-20523 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 4.24K | 47.4K | Jan 1993 – Jan 1998 |
| Parsons, I. M. "L" O-8-26883 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 2.95K | 1.36K | Apr 1993 – Feb 1998 |
| Parsons, I. M. O-8-21019 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 2.44K | 20 | Jan 1993 – Jan 1998 |
| Parsons, I. M. "H" O-8-26499 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 2.29K | 20 | Jan 1993 – Feb 2010 |
| Parsons, I.M. "A" O-8-21148 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 1.93K | 20 | Jan 1993 – Sep 2011 |
| Parsons, Willie O-8-18588 | F & S Production only | Callahan County Regular | Callahan | 1 | 1.27K | 48 | Jan 1993 – Jul 2026 |
| Bunyard, J.B. O-8-21543 | Ohlhausen Oil Company only | Parsons (Ellenburger) | Nolan | 2 | 1.19K | 28 | Jan 1993 – Aug 2003 |
| Lanier, R.A. O-8-21915 | United Operating, LLC *** only | Parsons (Ellenburger) | Nolan | 1 | 1.08K | 236 | Jan 1993 – Jul 2026 |
| Parsons "110" O-8-24704 | Cockrell Production Co., Inc. only | Doris (Cook) | Nolan | 1 | 1K | 17.5K | Jan 1993 – Jun 1996 |
| Parsons, I.M. "F" O-8-25920 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 627 | 21.3K | Jan 1993 – Dec 2009 |
| Parsons, I. M. "B" O-8-21487 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 61 | 17 | Jan 1993 – Jan 1998 |
| Parsons O-8-31760 | Buffco Production Inc. only | Callahan County Regular | Callahan | 1 | 0 | 0 | Feb 2015 – Jan 2016 |
| Parsons O-8-31832 | 3 S Production, Inc. only | Clear Creek (Caddo) | Callahan | 1 | 0 | 0 | May 2015 – Jul 2026 |
| Jordan Ranch 'E' O-8-32736 | Goodrock Natural Resources, LLC only | Parsons (Strawn Sand) | Nolan | 1 | 0 | 0 | Oct 2023 – Apr 2024 |
| Billo, Ed. G-2-1563 | Parsons & Norman only | Fannin, North (3600) | — | 1 | 0 | 0 | Jan 1993 – Oct 2017 |
| Willis O-13-30203 | Parsons Transports only | Montague County Regular | Montague | 2 | 0 | 0 | Sep 2003 – Jul 2026 |
| West-Parsons Unit G-2-113562 | B.P. Productions Inc. only | Nursery, S. (3500) | Victoria | 1 | 0 | 0 | Jan 1993 – Apr 2001 |
| West-Parsons Unit G-2-183697 | B.P. Productions Inc. only | Nursery, S. (2400) | Victoria | 1 | 0 | 1.96K | Apr 2001 – Feb 2003 |
| West Bay Carter Gas Unit G-3-163782 | Comstock Oil & Gas, Inc. only | Anne Parsons (Woodbine) | Polk | 1 | 0 | 324K | May 1997 – Aug 1999 |
| West Bay Carter Gas Unit G-3-166962 | Comstock Oil & Gas, Inc. only | Anne Parsons (Woodbine) | Polk | 1 | 0 | 0 | Dec 1997 – Jul 1999 |
| Black Stone Minerals G-3-226173 | Meridian Resource & Expl Llc,the only | Anne Parsons (Woodbine) | Polk | 1 | 0 | 6.66K | Apr 2006 – Oct 2007 |
| Parsons, F. B. G-5-49015 | Texas, Les & Co. only | Prairie Grove (Cotton Valley) | — | 1 | 0 | 62.4K | Jan 1993 – Jul 2026 |
| Parsons, R.L. G-6-80528 | Precision Energy Services, Inc. only | Parsons (Rodessa-Hill) | Cherokee | 1 | 0 | 0 | Jan 1993 – Mar 2023 |
| Parsons G-8-125047 | Texxol Operating Company, Inc. only | Reb (Marble Falls) | Eastland | 1 | 0 | 474K | Jan 1993 – Jul 2026 |
| Parsons A G-8-137824 | St. Clair Energy Corporation only | Doris (Cook-Lime) | Nolan | 1 | 0 | 23.1K | Jan 1993 – Dec 1997 |
| Parsons, I. M. "N" G-8-146518 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 0 | 38.7K | Aug 1993 – Jun 2012 |
| Parsons, I. M. "M" G-8-283830 | 3 S Production, Inc. only | Parsons (Gray) | Callahan | 1 | 0 | 3.57K | Jan 2018 – Jul 2026 |
| Parsons, J. E. G-13-31231 | Mitchell Energy Corporation only | Boonsville (Bend Congl., Gas) | — | 1 | 0 | 25.6K | Jan 1993 – Apr 2000 |
| Parsons, Virgil G-13-78468 | Ryder Scott Oil Company only | Boonsville (Bend Congl., Gas) | Wise | 1 | 0 | 0 | Jan 1993 – May 1993 |
| F. P. Parsons Federal Unit G-13-265941 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 0 | 2.31M | Feb 2012 – Jul 2026 |
| Parsons G-14-26377 | Wischkaemper, Kenneth only | Panhandle, East | — | 1 | 0 | 107K | Jan 1993 – Jul 2026 |
| Parsons G-14-26378 | Wischkaemper, Kenneth only | Panhandle, East | — | 1 | 0 | 99.7K | Jan 1993 – Jul 2026 |
| Parsons G-14-26419 | Wischkaemper, Kenneth only | Panhandle, East | — | 1 | 0 | 114K | Jan 1993 – Jul 2026 |
| Parsons G-14-150960 | Mewbourne Oil Company only | Morgan (Morrow Lower) | Lipscomb | 1 | 0 | 1.78M | Aug 1994 – Oct 2025 |
| Parsons O-1-11129 | Matla Inc. only | Somerset | Bexar | 2 | 0 | 0 | Jan 1993 – Jul 2026 |
| Parsons, I.M. "C" O-8-21913 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 0 | 0 | Jan 1993 – Aug 2009 |