| State Tract 331 G-3-167352 | Fieldwood Onshore LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 6.42M | 53.7M | Dec 1997 – Dec 2004 |
| State Tract 330 G-3-172660 | Transtexas Gas Corporation only | Eagle Bay (Vicksburg) | Galveston | 1 | 1.82M | 23.2M | Feb 1999 – Sep 2001 |
| State Tract 331 G-3-207398 | Fieldwood Onshore LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 1.71M | 5.44M | Dec 2004 – Jun 2014 |
| State Tract 331 G-3-191681 | Talos QN Exploration LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 811K | 19.4M | Nov 2002 – May 2014 |
| State Tract 352 G-3-170229 | Transtexas Gas Corporation only | Eagle Bay (Vicksburg 15750) | Galveston | 1 | 627K | 4.59M | Jun 1998 – Jul 2000 |
| State Tract 331 G-3-183756 | Fieldwood Onshore LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 595K | 3.75M | May 2001 – Jan 2009 |
| State Tract 331 G-3-188919 | Talos QN Exploration LLC only | Eagle Bay (Vicksburg 15750) | Galveston | 1 | 566K | 3.05M | Mar 2002 – Dec 2012 |
| Bruce G-3-182881 | Cimarex Energy Co. of Colorado only | Alta Loma, NE. (S Sand) | Galveston | 1 | 472K | 6.81M | Nov 2000 – Sep 2007 |
| Tacquard G-3-201777 | Hilcorp Energy Company only | Alta Loma, NE. (U. Mdl. Andrau) | Galveston | 1 | 438K | 7.29M | Aug 2003 – Apr 2026 |
| State Tract 330 Gas Unit G-3-234082 | Fieldwood Onshore LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 413K | 6.8M | Jun 2007 – Nov 2011 |
| Eagle Bay Gas Unit G-3-186891 | Talos QN Exploration LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 323K | 3.14M | Nov 2001 – Mar 2015 |
| State Tract 331 G-3-168876 | Transtexas Gas Corporation only | Eagle Bay (Vicksburg) | Galveston | 1 | 279K | 854K | Mar 1998 – Mar 1999 |
| State Tract 345 G-3-224870 | Galveston Bay Operating Co LLC only | Half Moon Shoal (Frio-B) | Galveston | 1 | 261K | 787K | Jul 2006 – Jul 2009 |
| William Rubel G-3-287938 | Hilcorp Energy Company only | Sarah White, East (9200) | Galveston | 1 | 226K | 434K | Aug 2019 – Apr 2026 |
| Tnct G-3-175699 | Alta Mesa Services, LP only | Gillock, East (Big Gas) | Galveston | 1 | 186K | 8.9M | Aug 1999 – Nov 2006 |
| Bruce Gas Unit G-3-235323 | Gasper Rice Resources, Ltd. only | Alta Loma, W. (Weiting a, Lower) | Galveston | 1 | 180K | 1.49M | Jan 2008 – Jan 2017 |
| Bobbie Gas Unit G-3-272254 | Hilcorp Energy Company only | Alta Loma, S. (Tacquard) | Galveston | 1 | 166K | 2.82M | Jan 2014 – Jul 2017 |
| St 236/237 Unit G-3-234101 | Galveston Bay Operating Co LLC only | Halflung (Big Gas Sand) | Galveston | 1 | 150K | 2.8M | Jan 2008 – Jul 2012 |
| Tully, L. V. et Al G-3-126864 | Magnum Producing, LP only | Three J (Lower Frio) | Galveston | 1 | 145K | 1.02M | Jan 1993 – Mar 2001 |
| Halls Bayou Ranch "A" G-3-234686 | Black Water Environmental L.L.C. only | Treasure Isle (Big Gas Sand) | Galveston | 1 | 134K | 3.74M | Sep 2007 – Apr 2016 |
| Tacquard G-3-188975 | Hilcorp Energy Company only | Alta Loma, NE. (U. Mdl. Andrau) | Galveston | 1 | 126K | 1.47M | Mar 2002 – Feb 2026 |
| Aronsfeld Gas Unit G-3-144408 | Hunt, Hassie Exploration Company only | Franks (Weiting, Consolidated) | Galveston | 1 | 124K | 1.94M | Jan 1993 – Sep 2004 |
| Ernst, Sunny G-3-189690 | Quidnet Energy Deployment LLC only | Alta Loma, East (Andrau) | Galveston | 1 | 118K | 3.12M | Aug 2002 – May 2020 |
| Sunny Ernst G.U. 1 G-3-262895 | Quidnet Energy Deployment LLC only | Alta Loma, East (S- Sand) | Galveston | 1 | 117K | 2.88M | Apr 2011 – Dec 2016 |
| Sunny Ernst GU 1 G-3-250496 | Quidnet Energy Deployment LLC only | Alta Loma, East (Andrau) | Galveston | 1 | 108K | 2.4M | Aug 2008 – Mar 2011 |
| State Tract 330 G-3-269151 | Talos QN Exploration LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 98.2K | 1.98M | Jul 2012 – Nov 2016 |
| Ghinaudo, M., et Al G-3-217935 | Hilcorp Energy Company only | Franks (Schenck Sand) | Galveston | 1 | 95.5K | 389K | Jun 2006 – Feb 2024 |
| Ballard G-3-179688 | Cimarex Energy Co. only | Paris (Vicksburg) | Galveston | 1 | 95.3K | 6.66M | Feb 2001 – Nov 2011 |
| Halls Bayou Ranch, Tr. 4 Unit G-3-152241 | Reef Exploration, L.P. only | Treasure Isle (Big Gas Sand) | Galveston | 1 | 88.3K | 6.87M | Jul 1994 – Mar 2015 |
| Blow Fish Gas Unit 329 G-3-227360 | Fieldwood Onshore LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 87.6K | 664K | May 2006 – Jul 2013 |
| Gordon G-3-194515 | XTO Energy Inc. only | Franks (Weiting, Consolidated) | Galveston | 1 | 87.4K | 2.31M | Apr 2003 – May 2012 |
| Tidwell G-3-288821 | Kaler Energy Corp. only | League City (10600) | Galveston | 1 | 82.6K | 1.45M | Mar 2020 – Dec 2023 |
| Gordon G-3-195917 | Hunt, Hassie Exploration Company only | Franks (Weiting, Consolidated) | Galveston | 1 | 75.8K | 1.26M | Apr 2003 – Sep 2005 |
| Marshall, Ruth G-3-148739 | Ocean Energy, Inc. only | San Leon (F-19) | Galveston | 1 | 75.8K | 2.69M | Feb 1994 – Feb 2001 |
| Hunt Club Gas Unit G-3-269845 | Hilcorp Energy Company only | Alta Loma, East (S- Sand) | Galveston | 1 | 71K | 1.74M | May 2013 – Sep 2020 |
| Davis, James Estate G-3-131749 | Osyka Producing Company, Inc. only | Hitchcock, NE. (Frio 11600) | Galveston | 1 | 68.3K | 2.59M | Jan 1993 – Dec 1998 |
| State of Texas G-3-159433 | Reef Exploration, L.P. only | Treasure Isle (Big Gas Sand) | Galveston | 1 | 61.8K | 9.16M | Oct 1995 – Sep 2003 |
| Gordon G-3-196719 | XTO Energy Inc. only | Franks (Weiting, Consolidated) | Galveston | 1 | 58.9K | 890K | Jul 2003 – Jun 2011 |
| Gordon G-3-222747 | Hilcorp Energy Company only | Franks (Rycade) | Galveston | 1 | 58.8K | 1.65M | Nov 2006 – Jul 2011 |
| San Leon Gas Unit G-3-185633 | Fieldwood Onshore LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 57.9K | 3.59M | Oct 2001 – Mar 2015 |
| Gilby, M. et al G. U. G-3-172308 | Hunt, Hassie Exploration Company only | Franks (Weiting, Consolidated) | Galveston | 1 | 56.7K | 1.5M | Jan 1999 – Jul 2006 |
| State Tract 331 G-3-179673 | Fieldwood Onshore LLC only | Eagle Bay (Vicksburg) | Galveston | 1 | 56.3K | 422K | Aug 2000 – May 2001 |
| Halls Bayou Ranch "6" G-3-164677 | Reef Exploration, L.P. only | Treasure Isle (Big Gas Sand) | Galveston | 1 | 51.4K | 7.54M | Aug 1997 – Jun 2006 |
| Federal Delange Gas Unit G-3-209602 | Hilcorp Energy Company only | Franks (Frio 10,000) | Galveston | 1 | 47.6K | 2.01M | Jun 2005 – Oct 2013 |
| Franks, C. E. Gas Unit G-3-185592 | XTO Energy Inc. only | Franks (Weiting, Consolidated) | Galveston | 1 | 45.3K | 1.65M | Sep 2001 – May 2004 |
| Franks, C. E. Gas Unit G-3-196627 | Hilcorp Energy Company only | Franks (Weiting, Consolidated) | Galveston | 1 | 43.2K | 619K | Jul 2003 – Apr 2013 |
| Franks, C. E. Gas Unit G-3-174007 | Hilcorp Energy Company only | Franks (Weiting, Consolidated) | Galveston | 1 | 41.6K | 1.01M | Jul 1999 – Sep 2006 |
| Bobbie Gas Unit G-3-265401 | Samson Exploration, LLC only | Alta Loma, East (Andrau, Lower) | Galveston | 1 | 41.2K | 1.81M | May 2012 – Dec 2013 |
| Ortego G-3-249550 | Fort Apache Energy, Inc. only | Alta Loma, S. (Tacquard) | Galveston | 1 | 39.6K | 223K | May 2009 – Sep 2010 |
| Tidwell G-3-293296 | Kaler Energy Corp. only | League City, West (Anomalina) | Galveston | 1 | 37.1K | 2.39M | Feb 2022 – Mar 2026 |