| 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 |
| Locke Unit G-13-266008 | Fuse Energy, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 20K | 124K | May 2012 – Aug 2016 |
| Locke Unit G-13-266361 | Fuse Energy, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 19.3K | 259K | May 2012 – Aug 2016 |
| Harris-Munden GU G-6-264376 | Craton Operating LLC only | Blocker (Cotton Valley) | Harrison | 1 | 18.8K | 3.78M | Oct 2011 – Apr 2026 |
| 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 |
| Davis-Locke G.U. G-3-203439 | Dynamic Production, Inc. only | Dynamic (Wilcox 15,150) | Wharton | 1 | 16.9K | 2.92M | Apr 2004 – Mar 2011 |
| 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 |
| Locke -35- G-14-145159 | Presidio Petroleum LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 15.3K | 656K | Mar 1993 – Apr 2026 |
| Whittaker G-6-260257 | Sabine Energy Inc. only | Blocker (Cotton Valley) | Harrison | 1 | 15K | 3.01M | Nov 2010 – Apr 2026 |
| Locke 60 G-14-203051 | Bce-Mach II LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 15K | 1.03M | May 2004 – 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 |
| Locke 60 G-14-225181 | Bce-Mach II LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 11.5K | 613K | Aug 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 |
| Locke -42- G-14-146316 | Unit Petroleum Company only | Hemphill (Granite Wash.) | Hemphill | 1 | 11.1K | 1.23M | Jun 1993 – Jul 2010 |
| 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 |
| Locke 60 G-14-214203 | Bce-Mach II LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 10.5K | 697K | Jan 2006 – Apr 2023 |
| 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 |
| Locke -35- G-14-145169 | Presidio Petroleum LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 9.72K | 1.48M | Mar 1993 – Mar 2026 |
| Allen, Lenora Gas Unit G-6-94960 | Spindletop Oil & Gas Company only | Blocker (Cotton Valley) | Harrison | 1 | 9.61K | 986K | Jan 1993 – Apr 2026 |
| Locke -35- G-14-145161 | Presidio Petroleum LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 9.57K | 1.11M | Mar 1993 – Oct 2015 |
| 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 |
| Locke G-6-177789 | Sheridan Production Co III, LLC only | Oliver Creek (Travis Peak) | Shelby | 1 | 8.85K | 809K | Apr 2000 – Apr 2026 |
| Dinkle G-6-264377 | Sabine Energy Inc. only | Blocker (Cotton Valley) | Harrison | 1 | 8.82K | 3.44M | Oct 2011 – Apr 2026 |
| 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 |