| McGown Farms GU G-3-275810 | Hilcorp Energy Company | Ora (13400 Sand) | 1 | 754K | 8.97M | Feb 2014 – Apr 2026 |
| State Tract 251 Unit G-3-185396 | Davis Petroleum Corp. | Vinceburg (Boxcar) | 1 | 383K | 7.67M | Jan 2001 – Feb 2012 |
| Beach House G-3-196831 | Carrizo Oil & Gas, Inc. | Hematite Sand (Vicksburg) | 1 | 353K | 6.5M | Aug 2003 – Oct 2007 |
| White, J. T. G-3-79148 | Denbury Onshore, LLC | Elwood (Vicksburg) | 1 | 281K | 20.9M | Jan 1993 – Mar 2008 |
| Maccarthy, Janet G-3-199113 | Denbury Onshore, LLC | Willow Slough, N. (10770 Sand) | 1 | 254K | 2.42M | Nov 2003 – May 2008 |
| State Tract 251 Unit G-3-192729 | Davis Petroleum Corp. | Vinceburg (Vicksburg) | 1 | 252K | 4.9M | Jan 2003 – May 2015 |
| Broussard-Middleton G-3-172788 | Cabot Oil & Gas Corporation | Chimney Bayou (Vicksburg B) | 1 | 235K | 2.46M | Nov 1998 – Apr 2004 |
| State Tract 75 "N" G-3-163951 | Davis Petroleum Corp. | Umbrella Point, NE (Price Sand) | 1 | 203K | 19.5M | Apr 1997 – Apr 2013 |
| Usx Hematite Unit #1 G-3-177684 | Carrizo Oil & Gas, Inc. | Hematite Sand (Vicksburg) | 1 | 192K | 6.39M | Nov 1999 – Dec 2005 |
| State Tract 251 Unit G-3-175457 | Davis Petroleum Corp. | Vinceburg (Vicksburg) | 1 | 182K | 3.15M | Sep 1999 – Nov 2000 |
| Dugat A-588 G-3-265768 | Dallas Petroleum Group, LLC | Walla-Boyt (Frio Basal 8800) | 1 | 169K | 1.94M | Nov 2011 – Apr 2020 |
| State Tract 65 G-3-176364 | Vintage Petroleum, Inc. | Umbrella Point (F-28) | 1 | 169K | 21.8M | Jul 1999 – Jun 2003 |
| State Tract 132 G-3-215361 | Davis Petroleum Corp. | Umbrella Point (F-18 Anomalina) | 1 | 167K | 4.85M | Aug 2005 – May 2010 |
| Tytex G-3-147820 | Rutherford Oil Corporation | Willow Slough,n.(nodosaria 9500) | 1 | 164K | 1.43M | Nov 1993 – Jun 1996 |
| State Tract 1-4A Unit G-3-183428 | Galveston Bay Operating Co LLC | Fishers Reef (FB C 9800) | 1 | 160K | 2.4M | Nov 2000 – Jun 2021 |
| Rggs Land & Minerals G-3-210151 | Yuma E & P Company, Inc. | Beach City (Vksbg Gyro K) | 1 | 151K | 1.36M | Apr 2005 – Sep 2010 |
| Kahla, E. B. Heirs GU G-3-276211 | Hilcorp Energy Company | Angelina (12,800) | 1 | 151K | 3.03M | Jul 2014 – Jul 2021 |
| Garth -a- Unit G-3-172355 | Contango Resources, LLC | Anahuac, SE. (F-17) | 1 | 146K | 4.51M | Nov 1998 – Mar 2014 |
| Seabreeze Land Co G-3-158950 | Oryx Energy Company | Seabreeze, N (Nodosaria Greater) | 1 | 140K | 12M | Feb 1996 – Mar 1998 |
| Wiggins GU G-3-280164 | Hilcorp Energy Company | Angelina (12,060) | 1 | 126K | 4.75M | Jan 2016 – Mar 2024 |
| Oryx-Sun Fee G-3-163789 | Oryx Energy Company | Seabreeze, N. (Nodosaria Taylor) | 1 | 125K | 4.75M | May 1997 – Jul 1998 |
| Kahla G-3-217298 | Aspect Energy, LLC | Angelina (11,800) | 1 | 124K | 5.01M | Mar 2006 – Apr 2011 |
| Nash G-3-263518 | Ballard Exploration Company,inc. | Cedar Bayou (Yegua 13,000) | 1 | 117K | 4.68M | Aug 2011 – Dec 2017 |
| State Tract 74 G-3-169064 | Fieldwood SD Offshore LLC | Umbrella Point, NE (Price Sand) | 1 | 108K | 13.2M | Jan 1998 – Mar 2004 |
| State Tract 252 G-3-183362 | Davis Petroleum Corp. | Vinceburg (Boxcar) | 1 | 102K | 1.87M | Dec 2000 – Jan 2003 |
| Oryx - Sun Fee G-3-164246 | Gcows Operating LLC | Seabreeze (Frio 8300 #2) | 1 | 99.8K | 1.67M | May 1997 – Aug 2024 |
| State Tract No. 46 G-3-182398 | Galveston Bay Operating Co LLC | Fishers Reef (Frio B 9800) | 1 | 97.8K | 2.33M | May 2000 – Jun 2007 |
| PBR Properties Unit G-3-264702 | Etoco, L.P. | Seabreeze, N. (Nodosaria 2ND SD) | 1 | 95.9K | 966K | Aug 2010 – Apr 2013 |
| State Tract 9-12B G-3-186583 | Galveston Bay Operating Co LLC | Fishers Reef (9800 FB D) | 1 | 85K | 613K | Dec 2000 – Jan 2006 |
| State Tract 69 G-3-191453 | Yuma E & P Company, Inc. | Beach City (Vksbg Gyro K) | 1 | 78.9K | 10.5M | Aug 2002 – Oct 2010 |
| South Mayes Gas Unit 10 G-3-184787 | Magnum Producing, LP | Mayes, South (Frio 19) | 1 | 75K | 5.55M | Jul 2001 – Mar 2026 |
| Middleton, A. D. a/C #4 G-3-265024 | Texas Petroleum Investment Co. | Devillier (Lox B) | 1 | 71.7K | 1.46M | Jun 2012 – May 2015 |
| Colby-Claypool G-3-189814 | Denbury Onshore, LLC | Elwood (L. Vicksburg 13200 SD) | 1 | 70.4K | 5.21M | May 2002 – Sep 2005 |
| White, J. T. G-3-141772 | Denbury Onshore, LLC | Elwood (Vicksburg) | 1 | 69.5K | 4.42M | Jan 1993 – Apr 2005 |
| Acom, O. H. Estate Gas Unit G-3-168986 | Fieldwood Onshore LLC | Seabreeze, N. (Nodosaria 1-A) | 1 | 66.5K | 3.7M | Apr 1998 – Jun 2012 |
| Syphrett Heirs G-3-164298 | New Century Exploration, Inc. | Anahuac, E. (F-16) | 1 | 64.8K | 6.94M | Jul 1997 – Dec 2004 |
| White, J. T. -C- G-3-88555 | Kerr-McGee Oil & Gas Onshore LLC | Elwood (Vicksburg) | 1 | 63.7K | 1.69M | Jan 1993 – Oct 2002 |
| O.H. Acom Estate Gas Unit G-3-165744 | Transtexas Gas Corporation | Seabreeze, N. (Nodosaria 1-A) | 1 | 62.9K | 3.6M | Oct 1997 – Jan 2001 |
| Beach House G-3-199614 | Carrizo Oil & Gas, Inc. | Hematite Sand (Vicksburg) | 1 | 61.6K | 1.34M | Jan 2004 – Feb 2006 |
| State Tract 65 G-3-167739 | Vintage Petroleum, Inc. | White Heron, N. (Price Sd.) | 1 | 57.1K | 1.76M | Jan 1998 – Aug 1998 |
| Moody Foundation G-3-260387 | Abaco Operating, LLC | Mayes, South (Frio 19) | 1 | 55.7K | 95.3K | Nov 2010 – Aug 2018 |
| Crawford "A" G-3-166725 | EOG Resources, Inc. | Angelina (11,800) | 1 | 55.6K | 2.23M | Aug 1997 – Mar 2000 |
| State Tract 65 G-3-200877 | Davis Petroleum Corp. | Umbrella Point (F-28) | 1 | 52.7K | 4.59M | Jan 2004 – Oct 2009 |
| Barrow Ranch G-3-204043 | Kerr-McGee Oil & Gas Onshore LP | Barrow Ranch (Hack A) | 1 | 52K | 1.64M | Aug 2004 – Aug 2005 |
| State Tract 100 Unit G-3-209009 | Davis Petroleum Corp. | Umbrella Point (F-28) | 1 | 51.6K | 5.23M | Feb 2005 – Oct 2007 |
| Brown, et Al G-3-177924 | Caskids Operating Company | Anahuac, SE. (Hackberry 9800) | 1 | 51.5K | 1.11M | Apr 2000 – Dec 2002 |
| State Tract 288 G-3-148811 | Shoreham Oil & Gas Company, Inc. | Red Fish Reef, SW. (Vicksburg) | 1 | 50.5K | 3.16M | Jul 1993 – Jan 2005 |
| Usx Hematite Unit #1 G-3-180387 | Carrizo Oil & Gas, Inc. | Hematite Sand (Vicksburg) | 1 | 48.8K | 830K | Sep 2000 – Jul 2003 |
| Wallis, Wendell G-3-172764 | Rutherford Oil Corporation | Mayes, South (Frio 10) | 1 | 48.1K | 2.06M | Jan 1999 – Apr 2004 |
| State Tract 246 G-3-206282 | Galveston Bay Operating Co LLC | Red Fish Reef (FB B-3, Frio 19) | 1 | 47.4K | 945K | Dec 2004 – Jun 2021 |