| UL Fourmile 2140-17 G-10-293405 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 306K | 1.42M | Feb 2019 – Mar 2026 |
| UL Fourmile 2140-17 G-10-293498 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 294K | 1.3M | Feb 2019 – Mar 2026 |
| UL Fourmile 2140-17 G-10-293407 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 267K | 845K | Mar 2019 – Mar 2026 |
| Bloxsom et Al G-3-192899 | Western Energy Group, LLC only | Raywood (E. Cook Mtn. 12,140) | Liberty | 1 | 235K | 2.01M | Jan 2003 – Mar 2010 |
| UL Fourmile 2140-17 G-10-293406 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 224K | 791K | Mar 2019 – Mar 2026 |
| Davis Bintliff G-3-247540 | Davis Southern Operating Co LLC only | Somos Tres (Frio 14000) | Brazoria | 1 | 92.8K | 8.92M | Jan 2009 – Oct 2016 |
| Governor G-3-236973 | CML Exploration, LLC only | Devers (Yegua 11400) | Liberty | 1 | 87.5K | 1.98M | Feb 2008 – Oct 2015 |
| Barbara Lips Gas Unit G-4-151767 | Shell Western E&P Inc. only | Lopez Ranch (Vksbg 11400) | Brooks | 1 | 47.1K | 877K | Aug 1994 – Jan 1995 |
| Noble Gene 140 G-14-264799 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 32.8K | 1.76M | Jul 2011 – Apr 2026 |
| Daniel G-3-244803 | CML Exploration, LLC only | Devers (Yegua 11400) | Liberty | 1 | 29.5K | 1.12M | Nov 2008 – Nov 2015 |
| Lips, Barbaa "C" G-4-145429 | Shell Western E&P Inc. only | Lopez Ranch (Vksbg 11400) | Brooks | 1 | 26.5K | 529K | Apr 1993 – Aug 1993 |
| Welch G-3-121551 | Galloway Energy Co. only | Pinehurst, SW (Wilcox 11400) | Montgomery | 1 | 12.3K | 285K | Jan 1993 – Mar 2026 |
| Moreland et Al G-3-210789 | Oblaen Resources LLC only | Moreland Ranch (8140 Cook Mtn.) | Wharton | 1 | 10.9K | 1.75M | Mar 2005 – May 2016 |
| Jefferson Gas Unit G-1-186805 | Wagner Oil Company only | Devils Waterhole (8140) | McMullen | 1 | 6.08K | 130K | Aug 2001 – Feb 2004 |
| McLeod Gas Unit G-2-167425 | Allegro Investments, Inc. only | Edna, South (Frio 5140) | Jackson | 1 | 5.94K | 2.33M | Feb 1998 – Mar 2003 |
| Pope Gas Unit G-4-142488 | Sue-Ann Operating, L.C. only | Hidalgo (6140) | Hidalgo | 1 | 5.92K | 1.26M | Jan 1993 – Nov 2009 |
| Wiederkehr G-1-126362 | Wagner, Duer & Co. only | Devils Waterhole (8140) | McMullen | 1 | 5.68K | 549K | Jan 1993 – Sep 1997 |
| Pena G-4-172255 | EOG Resources, Inc. only | Lopez, SE. (8140) | Webb | 1 | 5.4K | 150K | Jan 1999 – Mar 2001 |
| Bloodworth 140 G-9-180982 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 4.92K | 127K | Jan 2001 – Apr 2026 |
| Kieler Heirs G-3-253419 | Choice Exploration, Inc. only | Moreland Ranch (8140 Cook Mtn.) | Wharton | 1 | 3.56K | 279K | Sep 2009 – Dec 2010 |
| Briscoe (5140) G-1-216202 | Flint Oak Energy, LLC only | Catarina, SW. (San Miguel-Gas) | Dimmit | 1 | 3.29K | 78.7K | Mar 2006 – Apr 2026 |
| Marjorie Ragsdale Pollard, et Al G-3-262237 | Gordy Oil Company only | Kendleton, N. (Wilcox 11400) | Fort Bend | 1 | 3.01K | 89.2K | Feb 2011 – Feb 2015 |
| Briscoe (5140) G-1-220367 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 2.6K | 436K | May 2006 – Apr 2026 |
| Briscoe (5140) G-1-221242 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 2.05K | 367K | Jun 2006 – Apr 2026 |
| Briscoe (5140) G-1-220232 | Energyquest II, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 1.58K | 116K | Apr 2006 – Feb 2009 |
| Briscoe (5140) G-1-232675 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 1.45K | 269K | Jul 2007 – Apr 2026 |
| Baker G-3-191423 | Galloway Energy Co. only | Pinehurst, SW (Wilcox 11400) | Montgomery | 1 | 1.45K | 40.5K | Jul 2000 – Mar 2026 |
| Briscoe (5140) G-1-232674 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 1.33K | 232K | Jul 2007 – Apr 2026 |
| Briscoe (5140) G-1-220888 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 1.04K | 26.9K | Jun 2006 – Jun 2016 |
| Briscoe (5140) G-1-232687 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 928 | 187K | Feb 2008 – Apr 2026 |
| Briscoe (5140) G-1-232741 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 890 | 754K | Feb 2008 – Apr 2026 |
| Briscoe (5140) G-1-232739 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 589 | 136K | Mar 2008 – Feb 2013 |
| Naumann G-1-158078 | Pace Production Co. only | Devils Waterhole (8140) | McMullen | 1 | 555 | 67.5K | Mar 1996 – Nov 1996 |
| Welch G-8-212969 | J-Tec Operating, LLC only | Mineral Wells,s.(congl 4140) | Palo Pinto | 1 | 551 | 79.6K | Nov 2005 – Apr 2026 |
| Savage Unit "A" G-4-159349 | Dewbre Petroleum Corporation only | Hidalgo (6140) | Hidalgo | 1 | 547 | 178K | Jun 1996 – Feb 2008 |
| Kelly, J. C., Unit G-4-10827 | Faulconer Energy, LLC only | Hidalgo (6140) | Hidalgo | 1 | 513 | 99.3K | Jan 1993 – Feb 1995 |
| McClure, Parker G-8-100261 | Hill Operating LLC only | Mineral Wells,s.(congl 4140) | Palo Pinto | 1 | 479 | 142K | Jan 1993 – Jan 2015 |
| Lundell State 140 G-4-202842 | Hilcorp Energy Company only | Lundell (Wilcox) | Duval | 1 | 477 | 52.7K | Nov 2003 – Mar 2018 |
| Briscoe (5140) G-1-232719 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 353 | 135K | Aug 2007 – Oct 2012 |
| Blackstone Minerals A-140 G-6-160761 | Union Pacific Resources Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 337 | 371 | Oct 1995 – Oct 1995 |
| Halff "67" G-9-73637 | Mosaic Texas LLC only | Noelke (1400) | Crockett | 1 | 309 | 146K | Jan 1993 – Jun 2019 |
| Pope 140 G-14-227780 | Spindletop Oil & Gas Company only | Horizon (Oswego) | Ochiltree | 1 | 266 | 17.3K | Jan 2007 – Dec 2024 |
| Bloodworth 140 G-9-60073 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 257 | 264K | Jan 1993 – Apr 2026 |
| Welder-Cliburn G-2-186840 | Cummins & Walker Oil Co., Inc. only | Kathryn W. Allen (5140 Frio) | Victoria | 1 | 250 | 233K | Oct 2001 – Sep 2003 |
| Bloodworth 140 G-9-248492 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 249 | 134K | Oct 2008 – Apr 2026 |
| Briscoe (5140) G-1-273158 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 213 | 62.1K | Jan 2013 – Apr 2026 |
| Pope 140 G-14-227443 | Spindletop Oil & Gas Company only | Lips (Mississippian) | Ochiltree | 1 | 201 | 138K | Jan 2007 – Dec 2024 |
| Hancock "O" G-2-95268 | Gruy Petroleum Management Co. only | Provident City (Wilcox 14000, W) | Lavaca | 1 | 158 | 3.16M | Jan 1993 – Jan 2002 |
| Briscoe (5140) G-1-224554 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 124 | 35.3K | Mar 2008 – Oct 2012 |
| Gruetzmacher, Alton A., et Al G-2-154503 | Tema Oil and Gas Company only | Celeste (Middle Wilcox 14000) | Goliad | 1 | 101 | 71.1K | Jan 1995 – Aug 1998 |