| Kerr-McGee G-3-230364 | Wagner Oil Company only | Buye (Lower Cook Mtn. 3) | Liberty | 1 | 643K | 4.19M | May 2007 – Apr 2026 |
| Kerr-McGee G-3-222830 | Ballard Exploration Company,inc. only | Buye (Lower Cook Mtn. 3) | Liberty | 1 | 562K | 10.5M | Jul 2006 – Apr 2026 |
| Chevy Lowe Rider 56-T2-17X20 G-10-288922 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 494K | 2.24M | Aug 2019 – Apr 2026 |
| Hilbig Unit Storage Record G-1-146002 | Lower Colorado River Authority only | Hilbig | Bastrop | 1 | 312K | 361K | Jul 1993 – Mar 2026 |
| Lowe G-1-294146 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 308K | 4.72M | Nov 2022 – Apr 2026 |
| Lowe G-1-293529 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 278K | 4.27M | Nov 2022 – Apr 2026 |
| Lowe Royalty Partners 56-T2-20 G-10-279011 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 275K | 1.34M | Aug 2015 – Apr 2026 |
| Edinburg Unit G-4-153314 | Royal Production Company, Inc. only | Edinburg (Lower Marks A) | Hidalgo | 1 | 259K | 6.63M | Nov 1994 – Sep 1999 |
| Lowe G-1-291592 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 241K | 4.25M | Jun 2021 – Apr 2026 |
| Lowe G-1-293413 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 239K | 4.02M | Nov 2022 – Apr 2026 |
| Lowe G-1-294533 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 235K | 4.13M | Nov 2022 – Apr 2026 |
| Lowe 74 Unit G-10-292870 | Alchemist Energy, LLC only | Phantom (Wolfcamp) | Loving | 1 | 234K | 4.22M | Jan 2022 – Apr 2026 |
| Lowe G-1-291730 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 233K | 3.49M | Jun 2021 – Apr 2026 |
| Lowe G-1-258750 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 230K | 2.22M | Oct 2010 – Apr 2026 |
| Lowe G-1-293567 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 227K | 3.98M | Nov 2022 – Apr 2026 |
| East, Mrs. S.K. "B" G-4-240300 | Newfield Exploration Company only | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 221K | 4.62M | May 2008 – Nov 2014 |
| Lowe G-1-294531 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 216K | 4.15M | Nov 2022 – Apr 2026 |
| Lowe G-1-293668 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 204K | 3.26M | Nov 2022 – Apr 2026 |
| Lowe 74 Unit G-10-292869 | Alchemist Energy, LLC only | Phantom (Wolfcamp) | Loving | 1 | 200K | 3.5M | Jan 2022 – Apr 2026 |
| Flowers 'C' G-14-280117 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 183K | 1.12M | Nov 2015 – Apr 2026 |
| Bruce Gas Unit G-3-235323 | Gasper Rice Resources, Ltd. only | Alta Loma, W. (Weiting a, Lower) | Galveston | 1 | 180K | 1.49M | Jan 2008 – Jan 2017 |
| St. Charles Co. G-4-270893 | Hilcorp Energy Company only | St. Charles (Frio Cons., Lower) | Aransas | 1 | 176K | 11.4M | Jun 2013 – Apr 2026 |
| Lowe G-1-273576 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 174K | 1M | Nov 2013 – Apr 2026 |
| Flowers Brothers G-14-262331 | Winright Resources Operating,llc only | Roberts Co. (St. Louis) | Roberts | 1 | 173K | 14.7M | Dec 2010 – Aug 2022 |
| Lowe G-1-272340 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 172K | 839K | Jan 2014 – Apr 2026 |
| Lowe G-1-272349 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 171K | 867K | Jan 2014 – Apr 2026 |
| St. Charles Co. G-4-275311 | Hilcorp Energy Company only | St. Charles (Frio Cons., Lower) | Aransas | 1 | 169K | 4.17M | Jul 2014 – Feb 2025 |
| Garcia, I. Y. G-4-159139 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 153K | 6.45M | May 1996 – Apr 2026 |
| Lowe G-1-272736 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 149K | 823K | Jan 2014 – Apr 2026 |
| Flowers Brothers G-14-252019 | Mmgl Txph, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 148K | 11M | Dec 2008 – Apr 2026 |
| Tully, L. V. et Al G-3-126864 | Magnum Producing, LP only | Three J (Lower Frio) | Galveston | 1 | 145K | 1.02M | Jan 1993 – Mar 2001 |
| Raywood Investments G-3-227054 | Ballard Exploration Company,inc. only | Devers, NW. (Lower Cook Mtn. 1) | Liberty | 1 | 142K | 881K | Mar 2006 – Jul 2008 |
| Trull, R. B. et Al G-3-176426 | Deep Rock Resources, Inc. only | Ashby (Frio, Lower) | Matagorda | 1 | 136K | 4.67M | Feb 2000 – Oct 2013 |
| Village Creek SP GU G-3-265002 | Faulconer Energy, LLC only | Van Meter (Yegua, Lower) | Hardin | 1 | 134K | 6.77M | Dec 2011 – Apr 2026 |
| Lowe G-1-273561 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 134K | 1.12M | Jan 2014 – Apr 2026 |
| Lowe G-1-273564 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 132K | 654K | Nov 2013 – Apr 2026 |
| Black Stone Lowe a-444 Unit G-6-245969 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 132K | 672K | Jan 2009 – Apr 2026 |
| Lowe G-1-272582 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 129K | 923K | Jan 2014 – Apr 2026 |
| Flowers 'C' G-14-280701 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 128K | 1.32M | Feb 2016 – Apr 2026 |
| Lowe G-1-272115 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 126K | 911K | Jan 2014 – Feb 2026 |
| Yturria, L&C -B- G-4-128064 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 123K | 11.1M | Jan 1993 – Apr 2026 |
| Flowers 'A' G-14-278897 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 123K | 1.53M | Aug 2015 – Apr 2026 |
| Flowers 'B' G-14-281143 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 120K | 816K | Apr 2016 – Apr 2026 |
| Cosmonaut G-3-182253 | Cobra Oil & Gas Corporation only | Cosmonaut (Lower Vicksburg) | Fort Bend | 1 | 118K | 514K | Nov 2000 – May 2002 |
| Collins G-3-194198 | Eqv Operating LLC only | Sunflower (Upper Woodbine) | Polk | 1 | 117K | 11.1M | Jun 2003 – Jun 2025 |
| Flowers a 27 G-14-283835 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 114K | 1.53M | Jun 2017 – Apr 2026 |
| Yturria L&C -B- G-4-186123 | Mountain V Texas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 111K | 4.42M | Nov 2001 – Jul 2017 |
| Priday Unit G-4-164809 | Proline Energy Resources Inc only | Geronimo (Frio Lower) | San Patricio | 1 | 109K | 1.21M | Sep 1997 – Apr 2026 |
| Lowe 74 Unit G-10-292924 | Alchemist Energy, LLC only | Phantom (Wolfcamp) | Loving | 1 | 108K | 2.57M | Jan 2022 – Apr 2026 |
| Agro-Dynamics G-3-221506 | Ballard Exploration Company,inc. only | Devers, NW. (Lower Cook Mtn. 1) | Liberty | 1 | 107K | 2.42M | Nov 2005 – Dec 2008 |