| Poth Land & Cattle Co. O-1-7388 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 3.92K | 3 | by Jan 1993 – Jan 1999 |
| Fina-Conoco Fee G-4-151463 | Merit Energy Company only | Rincon (Vicksburg Cons.) | Starr | 1 | 3.92K | 421K | Aug 1994 – Aug 2000 |
| Tidwell G-3-294571 | Kaler Energy Corp. only | League City, West (Anomalina) | Galveston | 1 | 3.9K | 464K | Apr 2022 – Sep 2023 |
| Petty Ranch G-1-184191 | White Oak Operating Company LLC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 3.89K | 186K | Jul 2001 – May 2013 |
| Clanton Unit O-1-7533 | Bodden Production only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 3.88K | 81 | by Jan 1993 – Mar 2000 |
| Bohach O-1-14203 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 3.88K | 871 | Dec 1997 – Sep 2000 |
| Pierce, James O-1-3077 | Ghiselli Oil, Inc. only | Taylor-Ina | Medina | 15 | 3.87K | 37 | by Jan 1993 – Feb 1998 |
| Sinast Gas Unit G-2-227401 | Lime Rock Resources a, L.P. only | Warmsley (Korth) | De Witt | 1 | 3.86K | 466K | Feb 2007 – Dec 2009 |
| Middleton Petroleum B O-1-14220 | Burnett Oil Co., Inc. only | Taylor-Ina | Medina | 8 | 3.85K | 0 | Oct 1998 – Aug 2026 |
| Angelina SN 33-28 08 G-10-298301 | Hannathon Petroleum II, LLC only | Spraberry (Trend Area) | Glasscock | 1 | 3.83K | 607K | Aug 2024 – Aug 2026 |
| Fina-Conoco Fee G-4-173493 | Merit Energy Company only | Rincon (Vicksburg Cons.) | Starr | 1 | 3.83K | 224K | Jun 1998 – May 2011 |
| Cherryhomes, Roy "F" G-13-95015 | Great American Resources Inc. only | Marina-Mag(conglomerate Gas) | Jack | 1 | 3.79K | 251K | by Jan 1993 – Jul 2026 |
| Floyd Unit G-6-80203 | Fina Oil & Chemical Company only | Bethany (Travis Peak 6400, Gas) | Panola | 1 | 3.77K | 1.6M | by Jan 1993 – Mar 1996 |
| Fina Conoco Fee G-4-135060 | Merit Energy Company only | Rincon (Vicksburg Cons.) | Starr | 1 | 3.76K | 168K | by Jan 1993 – Oct 1998 |
| Fitzhugh O-3-26909 | Magnum Producing, LP only | Big Hill ( Miocene Siphonina) | Jefferson | 1 | 3.75K | 0 | Apr 2015 – Sep 2016 |
| Brainard Strip G-14-189283 | Mewbourne Oil Company only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 3.73K | 66.6K | Apr 2002 – Aug 2026 |
| State of Texas Unit G-4-9424 | Besco Operating, L.P. only | Blind Pass (Marginulina-Frio) | Aransas | 1 | 3.7K | 375K | by Jan 1993 – May 1996 |
| Thoms-Wilson O-1-14168 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 3 | 3.66K | 0 | Nov 1997 – Feb 1999 |
| Malinak #1 O-3-16616 | Micro Operating, Inc. only | Hooker Creek (Navarro A) | Lee | 1 | 3.66K | 20 | by Jan 1993 – Aug 2026 |
| Grant, John M. Estate Gas Unit G-6-139316 | Luminant Mining Company LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 3.66K | 1.11M | by Jan 1993 – Apr 2018 |
| E. Riethmeyer Gas Unit G-4-223249 | STX Operating Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 3.65K | 859K | Aug 2006 – Aug 2026 |
| Kasper O-1-14192 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 3.64K | 0 | Nov 1997 – Apr 1999 |
| Dishman-Leger G-3-230864 | Samson Lone Star, LLC only | China (Yegua Cons.) | Jefferson | 1 | 3.63K | 39.8K | Aug 2007 – Jan 2008 |
| Ramey, Alex G-4-148982 | Fina Oil & Chemical Company only | Cano-Mexico (5100) | Hidalgo | 1 | 3.63K | 608K | Feb 1994 – Aug 1996 |
| Wright O-13-27376 | Finaly Resources LLC only | Barnett-Palmer (Tannehill) | Knox | 3 | 3.62K | 59 | by Jan 1993 – Dec 2004 |
| Ramirez, Julian R., Est. -A- O-4-7715 | Finaly Resources LLC only | Edlasater, W. (Cole 950) | Zapata | 2 | 3.6K | 21 | by Jan 1993 – Aug 2003 |
| Schmidt, Oscar "C" O-1-14991 | Production Resources, Inc. only | Taylor-Ina | Medina | 3 | 3.58K | 0 | Sep 2008 – Aug 2026 |
| Petty, O. S. G-1-94156 | Kerns O & G, Inc. only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 3.58K | 196K | by Jan 1993 – Jul 2003 |
| Petty Ranch G-1-208498 | Rosetta Resources Operating LP only | Catarina, SW. (Olmos) | Webb | 1 | 3.57K | 40.8K | Mar 2005 – Aug 2012 |
| Pruski O-1-13852 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 3.56K | 0 | Sep 1997 – Apr 2000 |
| South Dubina Oil Unit 4 O-3-15922 | Burns Production Corporation only | Dubina, South (9080) | Colorado | 1 | 3.56K | 5.64K | by Jan 1993 – Feb 1994 |
| Weinacht O-10-33647 | Rand Oil & Gas Corp. only | Warcob (Wolfcamp) | Reeves | 1 | 3.56K | 5.43K | by Jan 1993 – Sep 1994 |
| De Tijerina, H.C. G-4-53621 | Remora Operating, LLC only | T.-C.-B. (Upper Frio Cons.) | Jim Wells | 1 | 3.54K | 247K | by Jan 1993 – Aug 2026 |
| Gates Ranch G-1-124874 | Lewis Petro Properties, Inc. only | Catarina, SW. (San Miguel-Gas) | Dimmit | 1 | 3.54K | 116K | by Jan 1993 – Nov 2010 |
| Tijerina G-4-208782 | Varas Energy Operating Company, only | Tiffany (Wilcox Carrizo) | Webb | 1 | 3.53K | 1.36M | Apr 2005 – Aug 2026 |
| Mc Allen Fieldwide Unit G-4-45199 | Totalfinaelf E&P USA Inc only | McAllen (Hackney Lake North) | Hidalgo | 1 | 3.53K | 950K | by Jan 1993 – Dec 2001 |
| Sinast Gas Unit G-2-235683 | Rincon Petroleum Corporation only | Christmas, Deep (Wilcox 10400) | De Witt | 1 | 3.52K | 49.6K | Apr 2008 – Jan 2010 |
| Knopp, Edna Mae O-1-6252 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 17 | 3.51K | 122 | by Jan 1993 – Aug 2026 |
| Ghinaudo, M. et al GU G-3-195775 | Hunt, Hassie Exploration Company only | Franks (Weiting, Consolidated) | Galveston | 1 | 3.49K | 132K | Apr 2003 – Mar 2005 |
| Brainard G-14-183741 | Mewbourne Oil Company only | Mendota, NW. (Cherokee) | Hemphill | 1 | 3.47K | 1.96M | Jun 2001 – Aug 2026 |
| Overland Unit "B" O-1-5736 | Wetzel Oil Company only | Taylor-Ina | Medina | 28 | 3.44K | 29 | by Jan 1993 – May 1995 |
| Connell Unit G-5-15536 | Luminant Mining Company LLC only | Oletha, SW. (Rodessa) | Limestone | 1 | 3.43K | 535K | by Jan 1993 – Sep 2012 |
| GCW O-1-18519 | Kaler Energy Corp. only | Marcelina Creek (Buda) | Wilson | 1 | 3.43K | 0 | Sep 2014 – Feb 2015 |
| Gates "O" TR3 G-1-256538 | Lewis Petro Properties, Inc. only | Catarina, SW. (Olmos) | Webb | 1 | 3.42K | 143K | Apr 2010 – Jul 2025 |
| Cardinals Gas Unit G-6-230583 | Adamas Energy LLC only | Martinsville (Travis Peak) | Nacogdoches | 1 | 3.4K | 1.03M | May 2007 – Dec 2022 |
| University 3 C O-10-25754 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 2 | 3.4K | 21K | by Jan 1993 – Oct 2008 |
| River, Angelina GU G-6-246174 | SM Operating Company LLC only | Redland, NE (Travis Peak) | Angelina | 1 | 3.39K | 1.69M | Feb 2009 – Jul 2026 |
| Garcia 5 G-4-131360 | Mestena Operating, L.L.C. only | Alta Mesa, East (Corvina) | Brooks | 1 | 3.39K | 231K | by Jan 1993 – Nov 2007 |
| Jarzombek Unit O-1-18642 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 3.38K | 819 | May 2015 – Aug 2018 |
| De la Garza, Raul - State G-4-68868 | Cordele Development Corporation only | Carolina-Tex, N.(wilcox) | Webb | 1 | 3.37K | 249K | by Jan 1993 – May 2016 |