| Stocker, M.J. Unit G-6-211964 | Burk Royalty Co., Ltd. only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 50.6K | 872K | Apr 2005 – Apr 2026 |
| Stocker, Earnest G-13-254778 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 39.9K | 2.51M | Jan 2010 – Apr 2026 |
| Sims, R. C. G U I G-6-101028 | Soldier Creek Energy, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 23.8K | 1.82M | Jan 1993 – Apr 2026 |
| Rosborough, Dr. J.F. Gas Unit G-6-247326 | Brookston Energy, Inc. only | Blocker (Cotton Valley) | Harrison | 1 | 23.8K | 3.32M | Mar 2009 – Apr 2026 |
| George, T.W. Gas Unit "A" G-6-246157 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 20.6K | 3.16M | Dec 2008 – Apr 2026 |
| Mohon GU G-6-273551 | Soldier Creek Energy, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 20K | 4.71M | Jul 2014 – Apr 2026 |
| Crocker, P. P. G.U. #1 G-2-100766 | Sandel Operating Company only | Oakville (Wilcox Cons.) | Live Oak | 1 | 19.7K | 1M | Jan 1993 – Apr 2026 |
| Harris-Munden GU G-6-264376 | Craton Operating LLC only | Blocker (Cotton Valley) | Harrison | 1 | 18.8K | 3.78M | Oct 2011 – Apr 2026 |
| Crocker G-2-252628 | Jamex, Inc. only | Crocker (Wx. 10,800) | Live Oak | 1 | 18.1K | 1.25M | Mar 2009 – Dec 2013 |
| Brewster Gas Unit G-6-222203 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 17.6K | 1.33M | Jun 2006 – Apr 2026 |
| Justice, Lucille G-6-136971 | Jandar Exploration, L. C. only | Blocker (Travis Peak) | Harrison | 1 | 16.2K | 640K | Jan 1993 – Apr 2026 |
| Harris, James Gas Unit G-6-251227 | Valence Operating Company only | Blocker (Cotton Valley) | Harrison | 1 | 15.9K | 1.03M | Jul 2009 – Apr 2026 |
| Blocker Unit 1 G-6-29455 | Faulconer, Vernon E., Inc. only | Bethany (Pettit) | Harrison | 1 | 15.9K | 583K | Jan 1993 – Jun 2012 |
| Harris, James Gas Unit G-6-250704 | Valence Operating Company only | Blocker (Cotton Valley) | Harrison | 1 | 15.5K | 1.99M | Jun 2009 – Apr 2026 |
| Whittaker G-6-260257 | Sabine Energy Inc. only | Blocker (Cotton Valley) | Harrison | 1 | 15K | 3.01M | Nov 2010 – Apr 2026 |
| Runnels, Mack V. Gas Unit G-6-167202 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 14.4K | 1.6M | Jan 1998 – Sep 2017 |
| Becker, H.G. Gas Unit G-6-89090 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 13K | 1.59M | Jan 1993 – Apr 2026 |
| Gross G-6-224702 | RFE Operating, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 12.9K | 1.13M | Oct 2006 – Apr 2026 |
| Allen, Lenora Gas Unit G-6-226581 | Spindletop Oil & Gas Company only | Blocker (Cotton Valley) | Harrison | 1 | 12K | 978K | Feb 2007 – Apr 2026 |
| Chauvin-Landry Gas Unit G-6-95091 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 11.9K | 1.06M | Jan 1993 – Apr 2026 |
| Mohon GU G-6-213452 | Soldier Creek Energy, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 11.8K | 1.02M | Mar 2005 – Apr 2026 |
| Winston Clark GU 1 G-6-264493 | Craton Operating LLC only | Blocker (Cotton Valley) | Harrison | 1 | 11.2K | 1.88M | Dec 2011 – Apr 2026 |
| Crocker, P. P. G-2-119179 | Dominion Oklahoma Texas E&P, Inc only | Braslau, E. (1ST Massive) | Live Oak | 1 | 11.1K | 1.93M | Jan 1993 – Mar 2003 |
| Crocker Unit G-4-261223 | Dewbre Petroleum Corporation only | Canelo (I-08, S) | Kenedy | 1 | 10.8K | 1.85M | May 2011 – Apr 2026 |
| Ware Gas Unit -A- G-6-222773 | BP America Production Company only | Blocker (Cotton Valley) | Harrison | 1 | 10.7K | 1.2M | Jul 2006 – Apr 2021 |
| Matthews, William Gas Unit G-6-144596 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 10.7K | 2.58M | Feb 1993 – Apr 2026 |
| Mobley Gas Unit G-6-176572 | Valence Operating Company only | Blocker (Cotton Valley) | Harrison | 1 | 10.3K | 1.65M | Dec 1999 – Apr 2026 |
| Blalock G-6-186405 | Big Run Production Company only | Blocker (Page) | Harrison | 1 | 9.94K | 546K | Oct 2001 – Feb 2026 |
| Polzin G-2-177894 | Hurd Enterprises, Ltd. only | Crocker (Wx. 10,800) | Live Oak | 1 | 9.73K | 2.83M | Jan 2000 – Jun 2012 |
| Allen, Lenora Gas Unit G-6-94960 | Spindletop Oil & Gas Company only | Blocker (Cotton Valley) | Harrison | 1 | 9.61K | 986K | Jan 1993 – Apr 2026 |
| Mohon GU G-6-203631 | Soldier Creek Energy, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 9.51K | 1.06M | May 2004 – Apr 2026 |
| Rosborough Gas Unit "B" G-6-235530 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 9.48K | 1.23M | Dec 2007 – Apr 2026 |
| Allen, Lenora Gas Unit G-6-227896 | Spindletop Oil & Gas Company only | Blocker (Cotton Valley) | Harrison | 1 | 9.46K | 755K | Feb 2007 – Apr 2026 |
| Rosborough, Dr. J.F. Gas Unit G-6-104968 | Brookston Energy, Inc. only | Blocker (Cotton Valley) | Harrison | 1 | 9.15K | 879K | Jan 1993 – Apr 2026 |
| Gross G-6-224700 | RFE Operating, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 9.09K | 1.11M | Oct 2006 – Apr 2026 |
| Dinkle G-6-264377 | Sabine Energy Inc. only | Blocker (Cotton Valley) | Harrison | 1 | 8.82K | 3.44M | Oct 2011 – Apr 2026 |
| Stocker, Earnest G-13-254777 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 8.8K | 336K | Jan 2010 – Aug 2017 |
| Thompson, J. Phillip Gas Unit G-6-167007 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.61K | 1.41M | Jan 1998 – Apr 2026 |
| Patterson-Herrin Gas Unit G-6-202866 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.59K | 1.47M | Apr 2004 – Apr 2026 |
| Allen, Lenora Gas Unit G-6-230595 | Spindletop Oil & Gas Company only | Blocker (Cotton Valley) | Harrison | 1 | 8.51K | 809K | Jul 2007 – Apr 2026 |
| Young, Delcia M. -B- G-6-223141 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.47K | 793K | Aug 2006 – Apr 2026 |
| Brewster, Nancy Gas Unit G-6-94001 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.3K | 1.37M | Jan 1993 – Apr 2026 |
| Resch, Kathleen M. G-6-168113 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.26K | 1.29M | Jan 1998 – Apr 2026 |
| Allen, Lenora Gas Unit G-6-233705 | Spindletop Oil & Gas Company only | Blocker (Cotton Valley) | Harrison | 1 | 8.18K | 1.33M | Sep 2007 – Apr 2026 |
| Ware Gas Unit -A- G-6-92389 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.12K | 1.25M | Jan 1993 – Apr 2026 |
| Brown, Maude B. Gas Unit G-6-221208 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.08K | 1.42M | Feb 2006 – Apr 2026 |
| Parish, Joseph G-6-219180 | RFE Operating, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.06K | 798K | Jan 2006 – Apr 2026 |
| Becker, H.G. Gas Unit G-6-141496 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.04K | 1.25M | Jan 1993 – Mar 2026 |
| Bartlett-Bailey Gas Unit #1 G-6-143401 | Walkabout Operating, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.03K | 1.68M | Jan 1993 – Apr 2026 |
| M. K. Dreyfus-Blocker (Alloc.) G-6-275215 | TGNR East Texas II LLC only | Waskom (Cotton Valley) | Harrison | 1 | 7.94K | 3.62M | Aug 2014 – Apr 2026 |