| University "18-30A" G-10-185571 | WTG Exploration only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 58.9K | 564K | Jul 2001 – Aug 2026 |
| University "18-30A" G-10-178703 | WTG Exploration only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 20.8K | 2.15M | Aug 2000 – Apr 2026 |
| HI 11-L (TX S/L M-97275) G-3-170759 | El Paso Production Gom Inc. only | High Island BLK 11L (Lent\han) | High IS-LB | 1 | 4.74K | 1.08M | Jul 1997 – Jul 1998 |
| Hall, J. F. G-13-91961 | Barnett Energy, Inc. only | Graham, Se(strawn 3275) | Young | 1 | 2.68K | 87.9K | by Jan 1993 – Jul 2026 |
| Walker, P. "A" G-10-185569 | WTG Exploration only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 1.4K | 869K | Jul 2001 – Feb 2020 |
| Walker, P. "A" G-10-180539 | WTG Exploration only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 1.27K | 663K | Nov 2000 – Feb 2020 |
| Palafox State A2757 G-1-269731 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 897 | 3.57M | Jun 2012 – Aug 2026 |
| Fasken State A2758 G-1-269597 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 722 | 2.06M | Apr 2012 – Aug 2026 |
| McDaniel "A" G-10-180583 | WTG Exploration only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 670 | 1.55M | Dec 2000 – Aug 2026 |
| Zengerle, W.O. G-2-98790 | Modern Exploration, Inc. only | Arneckeville (Yegua 5275) | De Witt | 1 | 643 | 196K | by Jan 1993 – Sep 2012 |
| Rogers, Fred E. G-8-137642 | Kroh Operating LLC only | Duster, NE. (Marble Falls 2750) | Comanche | 1 | 507 | 217K | by Jan 1993 – Sep 2018 |
| Walker, P. "A" G-10-183062 | WTG Exploration only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 469 | 630K | Mar 2001 – Feb 2020 |
| Michael G-2-221655 | A & D Exploration Company only | Arneckeville (Yegua 5275) | De Witt | 1 | 435 | 190K | Aug 2006 – Feb 2016 |
| Hargis G-8-190619 | Upham Oil & Gas Company only | Brazos,east (Strawn 2275) | Parker | 1 | 413 | 236K | Jun 2002 – Jan 2015 |
| Kelly G-13-174253 | Jaid Energy, LLC only | Bryson, SW. (Conglomerate 4275) | Young | 1 | 373 | 82.4K | Apr 1999 – Mar 2017 |
| Thomas, B. G. G-8-138052 | Watson Oil & Gas, Inc. only | Duster, NE. (Marble Falls 2750) | Comanche | 1 | 325 | 107K | by Jan 1993 – Jun 2007 |
| University 18-19 "A" G-10-182629 | Taylor, Ben J. Inc. only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 325 | 315K | Apr 2001 – May 2015 |
| Butler, Arnold "B" G-8-145300 | Watson Oil & Gas, Inc. only | Duster, NE. (Marble Falls 2750) | Comanche | 1 | 302 | 131K | by Jan 1993 – Nov 2024 |
| McDaniel "A" G-10-184167 | WTG Exploration only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 254 | 337K | May 2001 – May 2026 |
| Barnes G-8-193319 | Mosaic Oil LLC only | Brazos,east (Strawn 2275) | Parker | 1 | 180 | 10.5K | Dec 2002 – May 2021 |
| Brushy Creek Gas Unit G-2-171345 | Brown, George R. Partnership,the only | Brushy Creek, North (Frio 2750) | Lavaca | 1 | 177 | 126K | Nov 1998 – Jan 2002 |
| Underwood, Ted G-8-133522 | Watson Oil & Gas, Inc. only | Duster, NE. (Marble Falls 2750) | Comanche | 1 | 132 | 21.1K | by Jan 1993 – Feb 2021 |
| Three-Whettos G-4-229969 | Omega Energy, LLC only | Doughty, SW (9275) | Nueces | 1 | 126 | 10.2K | Sep 2007 – Mar 2013 |
| Snider G-8-138053 | Watson Oil & Gas, Inc. only | Duster, NE. (Marble Falls 2750) | Comanche | 1 | 116 | 18.7K | by Jan 1993 – Jan 2014 |
| University 18-19 G-10-193779 | WTG Exploration only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 67 | 178K | Dec 2002 – Jul 2024 |
| Welder G-2-173224 | Carrizo Oil & Gas, Inc. only | Poesta Creek (2750) | Bee | 1 | 58 | 538K | Dec 1998 – Sep 2006 |
| Fasken-State A2756 G-1-269621 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 53 | 1.9M | Apr 2012 – Aug 2026 |
| Smith, W. C. G-8-138042 | Watson Oil & Gas, Inc. only | Duster, NE. (Marble Falls 2750) | Comanche | 1 | 52 | 71.7K | by Jan 1993 – Mar 2019 |
| Palafox State A2757 G-1-269760 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 24 | 5.34M | May 2012 – Aug 2026 |
| University 18-19 G-10-195197 | WTG Exploration only | Quito, E. (Bell Canyon 5275) | Ward | 1 | 21 | 181K | May 2003 – Apr 2020 |
| Flores-Hensley G-4-145165 | Oryx Energy Company only | Yturria, NE. (Vicksburg 6275) | Starr | 1 | 16 | 5.67K | Mar 1993 – Jun 1993 |
| Gates "N" TR2 G-4-190820 | Lewis Petro Properties, Inc. only | Dos Hermanos (2750 Wilcox) | Webb | 1 | 14 | 70.3K | Aug 2002 – Jul 2025 |
| Brushy Creek Gas Unit G-2-172158 | Water Energy Services, LLC only | Brushy Creek, North (Frio 2750) | Lavaca | 1 | 13 | 3.97K | Dec 1998 – Jun 1999 |
| Lawson Heirs G-8-137639 | Petex only | Duster, NE. (Marble Falls 2750) | Comanche | 1 | 7 | 305K | by Jan 1993 – Apr 2025 |
| Ripley G-8-83612 | Smith Pipe of Abilene only | Duster, NE. (Marble Falls 2750) | Eastland | 1 | 4 | 7.8K | by Jan 1993 – Jun 2003 |
| Hewitt G-2-189737 | Hollimon Oil Corporation only | Telferner (2750) | Victoria | 1 | 3 | 13.1K | Apr 2002 – Aug 2002 |
| Palafox-Fasken-State A2755-A2756 G-1-280412 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 2 | 8.3M | Jun 2017 – Aug 2026 |
| Fasken State A2761-A2756 A G-1-281952 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 1 | 8.69M | Jun 2017 – Aug 2026 |
| Palafox State A2757 G-1-292297 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 1 | 9.89M | Jan 2022 – Aug 2026 |
| Palafox-Fasken-St. A2755-A2756 A G-1-282060 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 1 | 10.1M | Jun 2017 – Aug 2026 |
| Brushy Creek Gas Unit G-2-209893 | Wandoo Energy, LLC only | Brushy Creek, North (Frio 2750) | De Witt | 1 | 1 | 28.4K | Feb 2005 – Apr 2011 |
| Palafox State A2757 G-1-292281 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 1 | 5.74M | Jan 2022 – Aug 2026 |
| Pyle, H. B. G-2-166824 | Neg Operating LLC only | Provident City (Frio 2750) | Lavaca | 1 | 0 | 11.8K | Dec 1997 – Jun 1998 |
| Tusa, T. S. G-2-164650 | Shana Petroleum Company only | Provident City (Frio 2750) | Lavaca | 1 | 0 | 17.2K | Jul 1997 – Apr 1998 |
| Oconnor, Dennis et al -E- G-2-105288 | T - C Oil Company only | Lake Pasture (E-275) | Refugio | 1 | 0 | 534K | by Jan 1993 – Apr 2008 |
| Thomson-Barrow Corp. G-2-159525 | C & E Operating, Inc. only | Burkes Ridge (2750) | Bee | 1 | 0 | 58.5K | Jul 1996 – Jan 1997 |
| O'Connor, Thomas "A" G-2-151876 | Hilcorp Energy Company only | Tom Oconnor (5275) | Refugio | 1 | 0 | 5.61K | Oct 1994 – Dec 1994 |
| Ewers, Pinkie G-2-77415 | Midpar L.P. only | Hope (Miocene 2750) | Lavaca | 1 | 0 | 1.98K | Aug 1994 – Aug 1994 |
| Bruschmiller, P. G-2-150924 | Qorp Production Corp. only | Albrecht, S. (2750) | Goliad | 1 | 0 | 22.9K | Jan 1994 – Mar 1997 |
| Williams et Al G-2-150054 | Moose Operating Co., Inc. only | Sublime, South (Frio 2750) | Lavaca | 1 | 0 | 76.2K | Apr 1994 – Jan 1996 |