| Anderson Unit G-3-100624 | HRB Operating Company, Inc. | Chesterville, N. (Wilcox 9200) | Colorado | 1 | 26.3K | 2.11M | Jan 1993 – Apr 2021 |
| Hill, F. S. Trustee G-5-105232 | HRB Operating Company, Inc. | Winkler, S.(cotton Valley Lime) | Freestone | 1 | 24.5K | 1.32M | Jan 1993 – Jul 2025 |
| Minze, Earl G-5-113471 | HRB Operating Company, Inc. | Winkler, S.(cotton Valley Lime) | Freestone | 1 | 22.2K | 1.4M | Jan 1993 – Jul 2025 |
| Lissie GU 3 G-3-96713 | HRB Operating Company, Inc. | Lissie, South (Wilcox 9600) | Wharton | 1 | 15.8K | 3.54M | Jan 1993 – May 2025 |
| Poole Gas Unit G-3-97927 | HRB Operating Company, Inc. | Lissie (Wilcox 9600) | Wharton | 1 | 15.5K | 2.08M | Jan 1993 – Jul 2025 |
| Weise Bros. G-3-172621 | HRB Operating Company, Inc. | Lissie, South (Yegua 6900) | Wharton | 1 | 8.67K | 925K | Mar 1999 – Jul 2025 |
| Cherryhomes -A- O-13-24442 | HRB Operating Company, Inc. | Chapman-Cherryhomes (Congl.) | Jack | 2 | 5.88K | 347K | Jan 1993 – Sep 2005 |
| Cherryhomes "D" O-13-24498 | HRB Operating Company, Inc. | Chapman-Cherryhomes (Congl.) | Jack | 3 | 5.83K | 37.6K | Jan 1993 – Mar 2020 |
| Hoyo, Mary Emma G-3-6920 | HRB Operating Company, Inc. | Lissie (Wilcox 9600) | Colorado | 1 | 4.37K | 982K | Jan 1993 – Jul 2025 |
| Vollintine, Derek "B" O-13-23418 | HRB Operating Company, Inc. | Alvord (Atoka Conglomerate) | Wise | 1 | 2.96K | 168 | Jan 1993 – Oct 2002 |
| Lee-Mitchell Gas Unit G-3-112029 | HRB Operating Company, Inc. | Lissie, South (Wilcox 9600) | Wharton | 1 | 2.94K | 478K | Jan 1993 – Jul 2025 |
| Broyles G-3-216404 | HRB Operating Company, Inc. | Chesterville, North (Yegua 7) | Colorado | 1 | 2.8K | 298K | Apr 2006 – Aug 2020 |
| Meeks, R. E. O-13-10754 | HRB Operating Company, Inc. | Snow (Conglomerate 5200) | Wise | 1 | 2.53K | 121 | Jan 1993 – Mar 2020 |
| Lakeside Irrigation Co. Unit G-3-101167 | HRB Operating Company, Inc. | Lissie (Wilcox 9600) | Wharton | 1 | 2.46K | 762K | Jan 1993 – Mar 2021 |
| Meeks, R. E. O-13-18662 | HRB Operating Company, Inc. | Boonsville (5480) | Wise | 1 | 2.28K | 132K | Jan 1993 – Oct 2005 |
| Wiese Bros, G-3-71645 | HRB Operating Company, Inc. | Lissie, South (Wilcox 9600) | Wharton | 1 | 2.22K | 140K | Jan 1993 – Dec 1998 |
| Cox Estate -A- G-9-18943 | HRB Operating Company, Inc. | Ingham (Devonian) | Crockett | 1 | 2.11K | 1.14M | Jan 1993 – Oct 2023 |
| Thweatt #1 O-13-20095 | HRB Operating Company, Inc. | Sunset (Conglomerate) | Montague | 1 | 2.06K | 38.7K | Jan 1993 – Aug 2003 |
| Cohn, A. B. G-3-111211 | HRB Operating Company, Inc. | Esperson Dome, West | Harris | 1 | 1.99K | 348K | Jan 1993 – Mar 2012 |
| Bath G-6-132452 | HRB Operating Company, Inc. | Hallsville, South (Page) | Panola | 1 | 1.65K | 353K | Jan 1993 – Jul 2025 |
| Woodley, America E. Unit #1 G-6-163646 | HRB Operating Company, Inc. | Bethany (Travis Peak Cons.) | Harrison | 1 | 1.61K | 332K | Mar 1997 – Dec 2004 |
| Shipley, M. C. O-13-27338 | HRB Operating Company, Inc. | Morris (Consolidated Congl.) | Wise | 1 | 1.57K | 40 | Jan 1993 – Oct 2001 |
| Elrod, J. N. G-13-29166 | HRB Operating Company, Inc. | Boonsville (Bend Congl., Gas) | Wise | 1 | 1.43K | 536K | Jan 1993 – Jul 2025 |
| Hodges, Thomas O-13-18893 | HRB Operating Company, Inc. | Alvord, South (Caddo Congl.) | Wise | 1 | 1.36K | 76 | Jan 1993 – Sep 2001 |
| Thweatt #2 O-13-20671 | HRB Operating Company, Inc. | Sunset (Conglomerate) | Montague | 1 | 1.07K | 14.1K | Jan 1993 – Dec 2003 |
| Griffin, Hattie, Mrs. G-6-29393 | HRB Operating Company, Inc. | Bethany (Pettit) | Harrison | 1 | 1.02K | 242K | Jan 1993 – May 2019 |
| Cherryhomes "Y" O-13-24942 | HRB Operating Company, Inc. | Francis-Cherryhomes (Congl.) | Jack | 2 | 970 | 61.7K | Jan 1993 – Jul 2013 |
| Mitchell G-14-22493 | HRB Operating Company, Inc. | Parsell (Morrow, Upper) | Roberts | 1 | 965 | 310K | Jan 1993 – Jun 2016 |
| Bishop, George G-6-29390 | HRB Operating Company, Inc. | Bethany (Pettit) | Harrison | 1 | 963 | 229K | Jan 1993 – May 2019 |
| Bean, G. W. G-13-29149 | HRB Operating Company, Inc. | Boonsville (Bend Congl., Gas) | Jack | 1 | 868 | 273K | Jan 1993 – Jun 2014 |
| Cox Estate "A" G-9-135108 | HRB Operating Company, Inc. | Ingham (Canyon 6400) | Crockett | 1 | 669 | 133K | Mar 1993 – Nov 2013 |
| Harvey, T. C., Gas Unit G-14-22150 | HRB Operating Company, Inc. | Hansford, North (Tonkawa) | Hansford | 1 | 664 | 821K | Jan 1993 – Aug 2018 |
| Clifton, J. H. G-13-28966 | HRB Operating Company, Inc. | Boonsville (Bend Congl., Gas) | Wise | 1 | 660 | 37.7K | Jan 1993 – Jun 1998 |
| Cargill et Al G-6-133798 | HRB Operating Company, Inc. | Scottsville, North (Travis Peak) | Harrison | 1 | 583 | 101K | Jan 1993 – Aug 2006 |
| McKissick Unit G-13-29170 | HRB Operating Company, Inc. | Boonsville (Bend Congl., Gas) | Wise | 1 | 512 | 373K | Jan 1993 – Jul 2025 |
| Waggoner G-13-29174 | HRB Operating Company, Inc. | Boonsville (Bend Congl., Gas) | Wise | 1 | 507 | 91.9K | Jan 1993 – Jul 2025 |
| Ferguson, J. R. Estate G-5-177339 | HRB Operating Company, Inc. | Winkler, S. (Rodessa) | Freestone | 1 | 399 | 35.8K | Feb 2000 – Jan 2022 |
| French, J. E. Unit G-13-29167 | HRB Operating Company, Inc. | Boonsville (Bend Congl., Gas) | Wise | 1 | 390 | 109K | Jan 1993 – Jan 2006 |
| Brumble Unit G-6-29542 | HRB Operating Company, Inc. | Bethany (Travis Peak) | Panola | 1 | 323 | 17.1K | Jan 1993 – Jul 2007 |
| Ferguson, J. R. Estate G-5-176549 | HRB Operating Company, Inc. | Neal (Bossier) | Freestone | 1 | 310 | 43.1K | Sep 1999 – Jul 2025 |
| Whitaker G-13-98244 | HRB Operating Company, Inc. | Eanes (Conglomerate) | Wise | 1 | 300 | 42.7K | Jan 1993 – Nov 2008 |
| Clinton Gas Unit G-3-122383 | HRB Operating Company, Inc. | Lissie (Wilcox 9600) | Wharton | 1 | 299 | 241K | Jan 1993 – Jul 2025 |
| Taylor G-6-91558 | HRB Operating Company, Inc. | Beckville (Cotton Valley) | Panola | 1 | 210 | 12.1K | Aug 1993 – Jan 2008 |
| Burleson Hill Gas Unit 1 G-5-60406 | HRB Operating Company, Inc. | Burleson Hill (Pettit) | Freestone | 1 | 165 | 221K | Jan 1993 – Jul 2013 |
| Womack, J. E. et al Unit "B" G-13-64636 | HRB Operating Company, Inc. | Boonsville (Bend Congl., Gas) | Wise | 1 | 103 | 108K | Jan 1993 – Jul 2025 |
| Waggoner "A" G-13-29175 | HRB Operating Company, Inc. | Boonsville (Bend Congl., Gas) | Wise | 1 | 89 | 174K | Jan 1993 – Jul 2025 |
| Womack Unit "B" G-13-29182 | HRB Operating Company, Inc. | Boonsville (Bend Congl., Gas) | Wise | 1 | 70 | 217K | Jan 1993 – Jul 2025 |
| Cherryhomes "A" O-13-24435 | HRB Operating Company, Inc. | Chapman-Cherryhomes (Congl.) | Jack | 1 | 56 | 2.58K | Sep 2005 – Sep 2005 |
| Rhodes Ranch G-8-72485 | HRB Operating Company, Inc. | J. V. T. (Congl. 4250) | Palo Pinto | 1 | 49 | 145K | Jan 1993 – Apr 2012 |
| Poston, H. C. G-6-52497 | HRB Operating Company, Inc. | Scoober Creek (Rodessa-Hill) | Rusk | 1 | 37 | 396K | Jan 1993 – Jul 2025 |