| Collier O-2-9324 | Trailblazer Oil & Gas LLC only | Beeville, North (Hockley) | Bee | 1 | 11.3K | 32.6K | May 2009 – Jan 2025 |
| Collier, H. G. O-13-12965 | Bud Oil, Inc. only | Chico (Strawn 4500) | Wise | 1 | 11.2K | 189K | Jan 1993 – Apr 2026 |
| Hund, G. W. -A- O-13-14178 | Collier Oil Field Services Inc only | Wichita County Regular | Wichita | 3 | 10.5K | 21 | Jan 1993 – Apr 2026 |
| Collier, G. A. O-13-10943 | Bridwell Oil Co. only | Wise County Regular | Wise | 2 | 8.52K | 199K | Jan 1993 – Oct 2016 |
| Collier O-2-9682 | Trailblazer Oil & Gas LLC only | Norbee (Frio 2900) | Bee | 1 | 8.19K | 8.02K | Apr 2011 – Feb 2020 |
| Collier O-13-23626 | O'Neal Oil Company only | Montague County Regular | Montague | 2 | 7.78K | 21 | Jan 1993 – Jul 1998 |
| Collier, H. J. O-14-18 | Exxon Mobil Corporation only | Hitchland (4640) | Hansford | 3 | 7.53K | 15.7K | Jan 1993 – Nov 2001 |
| Robinson G-2-202783 | Alta Mesa Services, LP only | Collier (Yegua Y-3) | Jackson | 1 | 7.16K | 1.08M | Mar 2004 – Dec 2011 |
| Collier Gas Unit G-6-153729 | Faulconer Energy, LLC only | Oak Hill (Cotton Valley) | Gregg | 1 | 6.86K | 2.05M | Jan 1995 – Apr 2026 |
| Collier, Gaylan Jane 519 O-11-67453 | Great Western Onshore Inc. only | Gopher Creek (Ellenburger) | Borden | 1 | 6.51K | 1.67K | Sep 1995 – May 1996 |
| Collier, HJ -E- O-14-22 | Exxon Mobil Corporation only | Hitchland (4640) | Hansford | 2 | 6.29K | 34.4K | Jan 1993 – Jun 2003 |
| Collier, Lee, -A- O-13-11562 | Bridwell Oil Co. only | Wise County Regular | Wise | 1 | 5.92K | 126K | Jan 1993 – Aug 2017 |
| Collier O-13-27748 | Pruitt Oil & Gas only | Dyemound, S. (Bend Conglomerate) | Montague | 1 | 5.53K | 75 | Jan 1993 – Nov 2001 |
| Collier -B- O-13-16578 | Skinner, W. E. only | Young County Regular | Young | 14 | 5.32K | 77 | Mar 1993 – Sep 2002 |
| Collier G-6-215578 | RFE Operating, LLC only | Woodlawn (Cotton Valley) | Harrison | 1 | 5.25K | 557K | Sep 2005 – Feb 2023 |
| Collier Gas Unit G-6-184374 | Faulconer Energy, LLC only | Oak Hill (Cotton Valley) | Gregg | 1 | 5.2K | 1.27M | Aug 2001 – Apr 2026 |
| Collier Gas Unit G-6-162680 | Faulconer Energy, LLC only | Oak Hill (Cotton Valley) | Gregg | 1 | 5.17K | 1.09M | Mar 1997 – Jun 2025 |
| Maag, J. B. O-13-26703 | Collier Oil Field Services Inc only | Vogtsberger, South(conglomerate) | Archer | 1 | 4.93K | 85.8K | Jan 1993 – Mar 2004 |
| Collier O-13-4514 | Walsh & Watts, Inc. only | George Engle (Conglomerate) | Montague | 4 | 4.56K | 2.54K | Jan 1993 – May 1996 |
| Collier O-2-9085 | Enco Exploration Company only | Norbee, S.E. (4230) | Bee | 1 | 4.48K | 6.38K | May 2006 – May 2009 |
| Collier Gas Unit G-6-108500 | Faulconer Energy, LLC only | Oak Hill (Cotton Valley) | Gregg | 1 | 3.88K | 1.05M | Jan 1993 – Apr 2026 |
| Collier -5- O-11-68049 | Bridwell Oil Co. only | Hoople (Clear Fork) | Crosby | 4 | 3.58K | 0 | Dec 2017 – Apr 2026 |
| Collier, et Al O-9-6315 | Pace Production Co. only | I.A.B., South (Canyon) | Coke | 2 | 3.32K | 1.84K | Jan 1993 – May 1999 |
| Collier, H. G. O-13-12409 | Bud Oil, Inc. only | Chico, West (Conglomerate 5700) | Wise | 2 | 3.28K | 64.7K | Jan 1993 – Apr 2026 |
| Collier, HJ -D- O-14-21 | Exxon Corp. only | Hitchland (4640) | Hansford | 3 | 3.27K | 5.02K | Jan 1993 – Apr 1996 |
| Collier G-2-211704 | Enco Exploration Company only | Beeville, North (Yegua 4900) | Bee | 1 | 2.96K | 129K | Apr 2005 – Nov 2008 |
| Collier, H. G. O-13-12398 | Bud Oil, Inc. only | Alvord (Atoka Conglomerate) | Wise | 1 | 2.69K | 52.9K | Jan 1993 – Apr 2026 |
| Collier, Y. H. O-8-27708 | Rocker a Operating Company only | Brown County Regular | Brown | 1 | 2.67K | 0 | Nov 1995 – Jan 1997 |
| Collier Unit G-13-58746 | S&G Oil LLC only | Cundiff, N. (Atoka Congl., Up.) | Jack | 1 | 2.34K | 368K | Jan 1993 – Feb 2026 |
| Collier, David et Al O-3-16950 | Triangle Petroleum Service Co. only | Hull | Liberty | 1 | 1.84K | 23 | Jan 1993 – Mar 1996 |
| Collier O-13-32490 | Extech Operating, LLC only | Gilley, W. (Atoka Congl.) | Wise | 1 | 1.78K | 163K | Feb 2013 – Apr 2026 |
| Maag-Parker Unit O-13-25724 | Collier Oil Field Services Inc only | Vogtsberger, South(conglomerate) | Archer | 1 | 1.48K | 120K | Jan 1993 – Jul 2005 |
| Collier Unit G-13-169522 | Burk Royalty Co., Ltd. only | Cundiff, N. (Atoka Congl., Up.) | Jack | 1 | 1.05K | 140K | Aug 1998 – Jan 2011 |
| Shurley, Collier G-9-139977 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 909 | 536K | Jan 1993 – Apr 2026 |
| Collier Unit #1 O-13-15228 | Burk Royalty Co., Ltd. only | Cundiff, N. (Atoka Congl., Up.) | Jack | 1 | 897 | 95.3K | Jan 1993 – Jul 1998 |
| Wittenburg Unit G-2-239239 | Zachry Exploration, LLC only | Collier (Yegua Y-3) | Jackson | 1 | 796 | 63.5K | Aug 2008 – Oct 2009 |
| Collier G-2-257064 | Trailblazer Oil & Gas LLC only | Beeville, North (Hockley) | Bee | 1 | 507 | 282K | May 2010 – Jan 2025 |
| Shurley, Collier G-9-139978 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 377 | 257K | Jan 1993 – Apr 2026 |
| Collier, Shurley G-9-139363 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 365 | 340K | Jan 1993 – Apr 2026 |
| Collier O-13-31314 | Watson Energy Investments, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 327 | 11K | Jul 2009 – Sep 2010 |
| Collier G-13-155949 | Bennett Production Corporation only | Park Springs (Congl.) | Montague | 1 | 251 | 47.8K | Oct 1995 – Apr 1998 |
| Shurley, Collier G-9-139011 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 173 | 239K | Jan 1993 – Apr 2026 |
| Collier, G. A. G-13-282444 | Bridwell Oil Co. only | Wise County Regular | Wise | 1 | 147 | 8.33K | Nov 2016 – Sep 2020 |
| Collier Unit O-13-19178 | Cooke & Montague Oper. Co., Inc. only | Park Springs (Congl.) | Wise | 1 | 114 | 7.16K | Jan 1993 – Dec 1996 |
| Bolling-Collier G-2-137186 | Esenjay Petroleum Corp. only | Collier (Mio "D") | Jackson | 1 | 100 | 6.01K | Mar 1996 – Feb 1997 |
| Collier, Lee, -A- G-13-282564 | Bridwell Oil Co. only | Wise County Regular | Wise | 1 | 93 | 1.88K | Nov 2016 – Sep 2018 |
| Shurley, Collier G-9-76621 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 85 | 176K | Jan 1993 – Jul 2009 |
| Collier B Unit G-13-300900 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 81 | 66K | Apr 2025 – Apr 2026 |
| Collier, Shirley G-9-47397 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 78 | 173K | Jan 1993 – Aug 2009 |
| Collier -A- O-13-29489 | Bennett Production Corporation only | Park Springs (Congl.) | Montague | 2 | 66 | 3.06K | Apr 1998 – Aug 1998 |