| Furhken, Lola G-2-185071 | Magnum Producing, LP only | Nordheim, SW. (11,400) | De Witt | 1 | 152K | 4.2M | Mar 2001 – Jan 2009 |
| Lola Fuhrken Gas Unit G-2-162204 | Magnum Producing, LP only | Nordheim, SW. (11,400) | De Witt | 1 | 98.7K | 10.4M | Dec 1996 – Aug 2010 |
| Whitfield G-2-191449 | Wynn-Crosby Operating, Ltd. only | Nordheim, SW. (11,600) | De Witt | 1 | 51.5K | 4.27M | May 2002 – Aug 2009 |
| Weinheimer, E. A. G-3-145881 | Houston Hydrocarbons, Inc. (A) only | Alwan (Yegua 7570) | Wharton | 1 | 42.2K | 915K | Mar 1993 – Oct 1998 |
| Waskow, Henry G-2-89213 | Cowrie Energy LLC only | Nordheim (Wilcox 9900) | De Witt | 1 | 34.5K | 1.58M | by Jan 1993 – Jan 2022 |
| Schlosser Unit G-2-61382 | Eland Energy, Inc. only | Nordheim (Wilcox 10600) | De Witt | 1 | 32.5K | 2.2M | by Jan 1993 – Mar 2013 |
| Oehlke G-2-64644 | Eland Energy, Inc. only | Nordheim (Wilcox 10600) | De Witt | 1 | 32.4K | 1.68M | by Jan 1993 – Nov 2002 |
| Seilheimer G-3-287862 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk, Gas) | Washington | 1 | 29.5K | 12.7M | Mar 2019 – Jul 2026 |
| Weinheimer G-3-259092 | TMR Exploration, Inc. only | Alwan (Cook Mountain) | Wharton | 1 | 26.2K | 769K | Jul 2010 – Apr 2020 |
| E.A. Weinheimer-Grady Trust Unit G-3-139930 | Crimson Exploration Inc. only | Alwan (Cook Mountain) | Wharton | 1 | 24.1K | 534K | Jun 1993 – Mar 2005 |
| Heiman-Lehrer G-3-188246 | Texas Operating Partners LLC only | Englehart (Wilcox 8950) | Colorado | 1 | 19.3K | 903K | Jan 2002 – Oct 2025 |
| Nordheim Unit G-2-209724 | Lime Rock Resources a, L.P. only | Nordheim (Wilcox 9900) | De Witt | 1 | 15.8K | 1.08M | Oct 2004 – Sep 2008 |
| Swickheimer, G. G. Estate G-2-186780 | Transpacific Energy, LLC only | Austin (Nita) | Goliad | 1 | 15.8K | 1.52M | Sep 2001 – Aug 2026 |
| Bodenheim, G. A. G-6-154967 | Craton Operating LLC only | Willow Springs (Cotton Valley) | Gregg | 1 | 15K | 3.03M | May 1995 – Aug 2026 |
| Remmers (Deep) G-2-196959 | West Texas Syndicate LLC. only | Nordheim, SW. (12,600) | De Witt | 1 | 13.1K | 3.55M | May 2003 – May 2023 |
| Lola Fuhrken Gas Unit G-2-147318 | Magnum Producing, LP only | Nordheim, SW. (12,000) | De Witt | 1 | 12.2K | 3.02M | Sep 1993 – Dec 1996 |
| Bodenheim, G.A. G-6-131441 | Craton Operating LLC only | Willow Springs (Travis Peak) | Gregg | 1 | 12.2K | 2.02M | by Jan 1993 – Sep 2024 |
| Nordeim Unit G-2-215732 | Sue-Ann Operating, L.C. only | Nordheim (Wilcox, Lower) | De Witt | 1 | 12.1K | 820K | Jan 2006 – Jun 2015 |
| Nordheim Unit G-2-207993 | Sue-Ann Operating, L.C. only | Nordheim (Wilcox 9900) | De Witt | 1 | 11.3K | 1.7M | Jan 2005 – Mar 2014 |
| Weinheimer G-3-115249 | Sue-Ann Operating, L.C. only | El Maton, South (Frio 9440) | Matagorda | 1 | 10.7K | 901K | by Jan 1993 – Jan 2004 |
| Remmers G-2-141728 | IV Standard, LLC only | Nordheim, SW. (12,000) | De Witt | 1 | 10.3K | 3.24M | by Jan 1993 – Aug 2026 |
| Bodenheim, G. A. G-6-154769 | Craton Operating LLC only | Willow Springs (Cotton Valley) | Gregg | 1 | 9.76K | 1.3M | Oct 1994 – May 2009 |
| Whitfield G-2-190679 | Santos USA Corp. only | Nordheim, SW. (11,400) | De Witt | 1 | 9.28K | 376K | Jul 2001 – Sep 2005 |
| Heim G-3-141370 | Zinn Petroleum Co. only | Chenango (9500) | Brazoria | 1 | 8.96K | 588K | by Jan 1993 – Mar 1998 |
| Whitfield G-2-252967 | West Texas Syndicate LLC. only | Nordheim, SW. (11,400) | De Witt | 1 | 7.63K | 690K | Aug 2009 – Jan 2021 |
| Bodenheim, G. A. G-6-154770 | Craton Operating LLC only | Willow Springs (Travis Peak) | Gregg | 1 | 7.39K | 567K | Nov 1994 – Nov 1998 |
| Bodenheim, G.A. G-6-152921 | Craton Operating LLC only | Willow Springs (Travis Peak) | Gregg | 1 | 7.24K | 405K | Nov 1994 – Apr 2012 |
| Oehlke G-2-64645 | Eland Energy, Inc. only | Nordheim (Wilcox, Lower) | De Witt | 1 | 7.2K | 229K | Feb 2001 – Jun 2003 |
| Hergesheimer Gas Unit G-6-221993 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 7.17K | 671K | Apr 2006 – Oct 2025 |
| Weinheimer G-3-172303 | Crimson Exploration Oper., Inc. only | Alwan (Y-250) | Wharton | 1 | 6.59K | 128K | Nov 1998 – Dec 2000 |
| Swickheimer G-2-168737 | Tidewater Minerals Corporation only | Jobar (Yegua) | Goliad | 1 | 6.49K | 1.99M | Apr 1998 – Sep 2011 |
| Bodenheim, G. A. G-6-147050 | Craton Operating LLC only | Willow Springs (Pettit) | Gregg | 1 | 6.29K | 913K | Aug 1993 – Jul 2024 |
| Bodenheim, G.A. G-6-152915 | Craton Operating LLC only | Willow Springs (Cotton Valley) | Gregg | 1 | 5.6K | 1.06M | Oct 1994 – Nov 2018 |
| Nordheim Unit G-2-214395 | Lre Operating, LLC only | Nordheim (Wilcox 10600) | De Witt | 1 | 5.26K | 376K | Jul 2005 – Nov 2010 |
| Bodenheim, G.A. G-6-153415 | Craton Operating LLC only | Willow Springs (Travis Peak) | Gregg | 1 | 4.81K | 1.02M | Nov 1994 – Aug 2026 |
| Hergesheimer Gas Unit G-6-221774 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 4.73K | 751K | Jan 2006 – Oct 2025 |
| Remmers (Deep) G-2-197946 | IV Standard, LLC only | Nordheim, SW. (12,600) | De Witt | 1 | 4.49K | 4.55M | Dec 2002 – Jul 2026 |
| Heiman-Fling G-3-152698 | Marquee Corporation only | Englehart (Wilcox 8950) | Colorado | 1 | 3.97K | 115K | Dec 1994 – Dec 1995 |
| Remmers (Deep) GU G-2-138245 | Santos USA Corp. only | Nordheim, SW. (12,600) | De Witt | 1 | 3.74K | 1.99M | by Jan 1993 – Sep 2004 |
| Hergesheimer Gas Unit G-6-243458 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 3.6K | 737K | Oct 2008 – Aug 2026 |
| Westheimer G-3-95118 | Marwell Petroleum, Inc. only | McCrary (3RD Yegua) | Fort Bend | 1 | 3.18K | 25.6K | by Jan 1993 – May 1996 |
| Weinheimer G-3-289945 | Mountain V Texas, LLC only | Alwan (Y-250) | Wharton | 1 | 3.12K | 61.3K | Jul 2020 – Jan 2025 |
| Nordheim Gas Unit G-2-247342 | Atlas Operating LLC only | Kawitt (Edwards) | De Witt | 1 | 3.01K | 3.31M | Dec 2008 – Oct 2013 |
| Bodenheim, G.A. G-6-132450 | Craton Operating LLC only | Willow Springs (Travis Peak) | Gregg | 1 | 2.99K | 302K | by Jan 1993 – Aug 2024 |
| Niemeier G-2-197979 | Arcadia Operating, LLC only | Nordheim, SW. (12,000) | Karnes | 1 | 2.91K | 924K | Mar 2003 – Jan 2015 |
| Nordheim Unit G-2-146761 | Sue-Ann Operating, L.C. only | Nordheim (Wilcox #1) | De Witt | 1 | 2.86K | 841K | Mar 1993 – Jan 2004 |
| Weinheimer G-3-117722 | Costilla Energy, Inc. only | El Maton (Frio 10778) | Matagorda | 1 | 2.78K | 136K | by Jan 1993 – Aug 1997 |
| Weinheimer G-3-216541 | Sandridge Onshore, LLC only | Porter's Creek, South (Wilcox) | Wharton | 1 | 2.61K | 529K | Nov 2005 – Jun 2010 |
| Bodenheim, G. A. G-6-58501 | Craton Operating LLC only | Willow Springs (Travis Peak) | Gregg | 1 | 2.6K | 537K | by Jan 1993 – Jun 2007 |
| Remmers (Deep) G-2-205831 | West Texas Syndicate LLC. only | Nordheim, SW. (12,600) | De Witt | 1 | 2.58K | 3.01M | Feb 2004 – May 2023 |