| St. Clair Unit 2827 G-10-285522 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 486K | 2.88M | Apr 2019 – Apr 2026 |
| Russells Reserve 8-82S Unit G-10-288216 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 345K | 2.1M | May 2019 – Apr 2026 |
| RVW Trust Unit G-3-291723 | EOG Resources, Inc. only | Lomita (Wilcox 8200 Sd.) | Colorado | 1 | 282K | 6.98M | Feb 2021 – Mar 2026 |
| St. Clair 2827 Alloc A G-10-286177 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 267K | 2.05M | Apr 2019 – Apr 2026 |
| St. Clair Unit 2827 G-10-288615 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 242K | 1.95M | Apr 2019 – Apr 2026 |
| Just Call ME Ken 8-82 Unit G-10-290010 | Crescent Energy Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 237K | 1.74M | Mar 2020 – Apr 2026 |
| Schultz-Yauck 803/782 A G-14-289032 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 180K | 2.73M | Jan 2020 – Apr 2026 |
| Black Stone Minerals a-982 Unit G-6-156985 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 169K | 2.98M | Jul 1995 – Apr 2026 |
| Woods A-82 G-3-295359 | Tala Energy LLC only | Double a Wells, N (Austin Chalk) | Polk | 1 | 126K | 736K | Mar 2023 – Apr 2026 |
| Rancho Cullen Unit G-3-254241 | Magnum Producing, LP only | Lomita (Wilcox 8200 Sd.) | Colorado | 1 | 120K | 1.19M | Jun 2010 – May 2015 |
| Blackstone Minerals Unit A-982 G-6-197316 | Rockstar Production, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 86.8K | 1.64M | May 2003 – Apr 2026 |
| Slick Estate -C- G-4-172907 | Mountain V Texas, LLC only | Borosa, E. (8270 Vicksburg) | Starr | 1 | 84.6K | 5.91M | Mar 1999 – Apr 2026 |
| Woods A-82 G-3-234640 | Walter Oil & Gas Corporation only | Double a Wells, N (Austin Chalk) | Polk | 1 | 81.3K | 499K | Sep 2007 – Mar 2023 |
| State Tract 882-S G-4-201334 | TR Offshore, LLC only | Mstg. Isl. BLK 883-S (11700) | Mustang IS-SB | 1 | 69K | 793K | Jan 2004 – May 2018 |
| Roxie 282 G-14-258825 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 65.9K | 394K | Jun 2010 – Apr 2026 |
| Durbin Gas Unit G-3-287553 | Shiner Exploration, LLC only | Sublime,n (Wilcox 8220) | Colorado | 1 | 63.2K | 1.2M | May 2019 – Oct 2023 |
| Yauck "782" G-14-265930 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 56.6K | 706K | Oct 2011 – Apr 2026 |
| State Tract 975 G-4-276880 | Mego Resources, LLC only | White Point, East (8200) | San Patricio | 1 | 54.5K | 1.24M | Mar 2015 – Apr 2026 |
| State Tract 81-82 Unit G-4-221259 | Lamar Oil & Gas, Inc. only | Copano Bay, S. (Frio TX Miss) | Aransas | 1 | 45.4K | 2.51M | Apr 2006 – May 2025 |
| State Tract 693-L G-4-198116 | Llog Exploration Texas, L.P. only | MI 828-S (B7-B Frio) | Matgrda IS-LB | 1 | 44K | 1.07M | Nov 2003 – Jun 2007 |
| Roxie 282 G-14-278864 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 42.8K | 587K | Apr 2014 – Apr 2026 |
| Roxie 282 G-14-265276 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 39.7K | 326K | Mar 2011 – Apr 2026 |
| Pescadito State 2026/1182 G-4-263002 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 35.9K | 1.21M | Sep 2011 – Oct 2018 |
| Slick Estate -C- G-4-167973 | Kerr-McGee Oil & Gas Onshore LP only | Borosa, E. (8270 Vicksburg) | Starr | 1 | 34.9K | 1.69M | Apr 1998 – Nov 2009 |
| Roxie 282 G-14-278866 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 34K | 634K | Apr 2014 – Apr 2026 |
| Caprito 82 G-10-203711 | Abraxas Petroleum Corporation only | R. O. C. (Devonian) | Ward | 1 | 28.7K | 7.02M | Nov 2003 – Jan 2026 |
| State Tract 882-S G-4-197350 | Davis Gulf Coast, Inc. only | G.O.M. 882-S (Marg Tex 2) | Mustang IS-SB | 1 | 26K | 869K | Feb 2003 – Dec 2003 |
| Brillhart 820 G-14-212724 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 23.4K | 520K | Oct 2005 – Apr 2018 |
| O.M. Lander Unit G-2-142816 | Aurora Resources Corporation only | Heyser (8200) | Victoria | 1 | 22.4K | 1.65M | Jan 1993 – Apr 2026 |
| Brillhart 820 G-14-210553 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 22.1K | 461K | Jun 2005 – Oct 2016 |
| State Tract 904 Gas Unit G-4-136359 | TR Offshore, LLC only | G O M-St-904 (Frio 8200) | Mustang IS-SB | 1 | 19.4K | 1.9M | Jan 1993 – Dec 2007 |
| R. C. Scherer Gas Unit G-2-140416 | Calpine Natural Gas Company only | Inez (Winston 8200) | Victoria | 1 | 19.2K | 1.56M | Jan 1993 – Oct 1996 |
| Godfrey G-2-256247 | Kebo Oil & Gas, Inc. only | Houdman (Wilcox 8200) | Live Oak | 1 | 17.9K | 1.07M | Apr 2010 – Apr 2026 |
| Roxie 282 G-14-279067 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 17.5K | 258K | Apr 2014 – Apr 2026 |
| Gadeke Gas Unit G-3-158645 | Cox & Perkins Exploration, Inc. only | Black Owl (Yegua 8260) | Wharton | 1 | 16.5K | 552K | Apr 1996 – Jul 1997 |
| Martin, Ronald L. et Al G-4-145535 | Capital Star Oil & Gas, Inc. only | Penitas (8250) | Hidalgo | 1 | 16.4K | 490K | Apr 1993 – Mar 1999 |
| Braman -H- G-2-300399 | T-C Oil Company, LLC only | Braman (8200) | Refugio | 1 | 16.2K | 347K | May 2025 – Apr 2026 |
| McMurrey, M. H. C G-8-183177 | PK Gath & Oilfield Svcs, Inc. only | P.K. Dam (Congl. 3820) | Palo Pinto | 1 | 15.7K | 353K | Jun 2001 – Apr 2026 |
| Hall, J. F. State G-4-70638 | Killam Oil Co., Ltd. only | Rincon, North (Vicksburg 8200) | Starr | 1 | 14.8K | 2.54M | Jan 1993 – Apr 2026 |
| Middleton, Archie G-3-161521 | Denbury Onshore, LLC only | Oyster Bayou (Frio 2-8200) | Chambers | 1 | 14.6K | 747K | Dec 1996 – Apr 2004 |
| Bluford Thornton 82 G-10-180395 | XTO Energy Inc. only | Block 16 (Montoya) | Ward | 1 | 14.3K | 4.66M | Nov 2000 – Apr 2026 |
| State Tract 834-S G-4-224420 | Llog Exploration Texas, L.P. only | MI 824-S (MH-2 Miocene) | Matgrda IS-SB | 1 | 13.3K | 1.39M | Apr 2006 – Jan 2008 |
| Harlan Nelson G-2-258706 | Kebo Oil & Gas, Inc. only | Houdman (Wilcox 8200) | Live Oak | 1 | 12.8K | 916K | Nov 2010 – Apr 2026 |
| State Tract 824-S G-4-204500 | Llog Exploration Texas, L.P. only | MI 824-S (MH-2 Miocene) | Matgrda IS-SB | 1 | 12.2K | 1.41M | Aug 2004 – Mar 2008 |
| Hubberd "B" G-4-211342 | Hilcorp Energy Company only | Liz (8200) | Webb | 1 | 12K | 2.01M | May 2005 – Apr 2026 |
| Brillhart 820 G-14-216740 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 11.7K | 424K | Mar 2006 – Apr 2026 |
| South East Hull I.P. Gas Unit G-3-79984 | TE-Ray Resources, Inc. only | Hull, South (Yegua 8200) | Liberty | 1 | 11.7K | 1.31M | Jan 1993 – Oct 2008 |
| Golsch, Mary B. G-2-136645 | Gruy Petroleum Management Co. only | Hallettsville (8250 Wilcox) | Lavaca | 1 | 11.2K | 506K | Jan 1993 – Jan 2003 |
| Caprito 82 G-10-193427 | Abraxas Petroleum Corporation only | R.O.C. (Montoya) | Ward | 1 | 10.8K | 5.7M | Dec 2002 – Jan 2026 |
| Guerra Brothers G. U. G-4-152448 | Texas Independent Explor., Inc. only | Jay Simmons (8200 Vicksburg) | Starr | 1 | 10.7K | 636K | Dec 1994 – Jan 2000 |