| MVP 'a-83' Gas Unit G-3-275836 | Southern Oil of Louisiana LLC only | Adams Ranch (Yegua EY) | Orange | 1 | 661K | 19.3M | Aug 2012 – Mar 2018 |
| Danielle 183 Unit G-10-287912 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Ward | 1 | 460K | 3.65M | May 2019 – Apr 2026 |
| Danielle 183 Unit G-10-288605 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Ward | 1 | 437K | 2.73M | Apr 2019 – Apr 2026 |
| N. Padre Island 883-L/899-L Unit G-4-181502 | Fieldwood Energy LLC only | Npi 883-L (MT-1A Sand) | N Padre IS-LB | 1 | 317K | 5.91M | Jun 2001 – Nov 2012 |
| Mustang Island Block 883-S G-4-178818 | Apache Corporation only | Mstg Isl BLK 883 (Marg Tex 1C) | Mustang IS-SB | 1 | 307K | 13.4M | Apr 2000 – Nov 2010 |
| Donner-Brown Unit A-83 G-6-185306 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 242K | 2.89M | Aug 2001 – Apr 2026 |
| UL Willow 383633-16 G-10-293516 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 241K | 416K | Aug 2019 – Jan 2026 |
| GA 256/294 (TX S/L M-95283) G-3-148518 | Trinity River Energy Oper, LLC only | Taylor Lake, East (Lox B) | Harris | 1 | 236K | 22.5M | Feb 1994 – Oct 2008 |
| Meridith 183 Unit G-10-287385 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Ward | 1 | 232K | 1.8M | Feb 2019 – Apr 2026 |
| N. Padre Island 883-L/889-L Unit G-4-180204 | Spinnaker Exploration Co.,l.l.c. only | Npi 883-L (MT-2 Sand) | N Padre IS-LB | 1 | 187K | 7.5M | Oct 2000 – Mar 2003 |
| UL Willow 383633-16 G-10-293501 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 180K | 428K | Aug 2019 – Dec 2022 |
| MVP 'A-183' G-3-276567 | Upstream Exploration LLC only | Adams Ranch (Yegua EY) | Orange | 1 | 131K | 3.96M | Feb 2014 – Jan 2018 |
| MVP 'A-183' G-3-278536 | Southern Oil of Louisiana LLC only | Adams Ranch (Yegua EY) | Orange | 1 | 125K | 2.87M | Jul 2013 – Apr 2026 |
| Arco Fee Sec. 83 G-3-126181 | Permian Natural Resources only | Buna, West (Wilcox) | Jasper | 1 | 121K | 807K | Jan 1993 – Dec 2024 |
| Oryx - Sun Fee G-3-164246 | Gcows Operating LLC only | Seabreeze (Frio 8300 #2) | Chambers | 1 | 99.8K | 1.67M | May 1997 – Aug 2024 |
| Danielle 183 Unit G-10-300150 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Ward | 1 | 89K | 581K | Jun 2025 – Apr 2026 |
| Arco Fee Section 83 G-3-185585 | Permian Natural Resources only | Buna, West (Wilcox) | Jasper | 1 | 82.2K | 738K | Sep 2001 – Dec 2024 |
| State Tract 882-S G-4-201334 | TR Offshore, LLC only | Mstg. Isl. BLK 883-S (11700) | Mustang IS-SB | 1 | 69K | 793K | Jan 2004 – May 2018 |
| Vaughan 83 G-9-170695 | Red Stag Operating, LLC only | Doc Buddy (Ellenburger) | Crockett | 1 | 67.5K | 2.26M | Oct 1998 – Dec 2018 |
| Meoc-Mellon-State Unit G-2-295806 | T-C Oil Company, LLC only | Mary Ellen O'Connor (8300) | Refugio | 1 | 63.1K | 168K | May 2023 – Apr 2026 |
| Gold Zapp-Mollnar Unit G-3-155698 | Cox & Perkins Exploration, Inc. only | Phase Four (8360 Yegua) | Wharton | 1 | 62.9K | 2.1M | Sep 1995 – Aug 2001 |
| Lutringer Gas Unit G-3-158695 | Cox & Perkins Exploration, Inc. only | Phase Four (8300 Yegua) | Wharton | 1 | 51K | 3.69M | Mar 1996 – Aug 2001 |
| Gray 683 G-14-268700 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 45.3K | 997K | Jan 2013 – Apr 2026 |
| N. Padre Island 883L/899L Unit G-4-180199 | Fieldwood Energy LLC only | Npi 883-L (Frio Sand) | N Padre IS-LB | 1 | 43.7K | 6.81M | Oct 2000 – Sep 2012 |
| Pawlik Godfrey Gas Unit #2 G-2-229452 | Kebo Oil & Gas, Inc. only | Houdman (Wilcox 8300) | Live Oak | 1 | 43.3K | 1.68M | Mar 2007 – Apr 2026 |
| 3J Zapata Meza Gas Unit G-4-208803 | Hilcorp Energy Company only | Roleta (7483) | Zapata | 1 | 39.3K | 6.04M | Feb 2005 – Apr 2026 |
| Williams 83 G-14-281286 | BE Anadarko II, LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 38.4K | 239K | May 2015 – Apr 2026 |
| Steffek Unit G-2-266064 | Mascot Oil Company only | Breslau (Wilcox 8395) | Lavaca | 1 | 38.3K | 1.36M | May 2012 – Feb 2016 |
| Cavasso Creek-A- G-4-226035 | T-C Oil Company, LLC only | Cavasso Creek (Frio 8300) | Aransas | 1 | 36.5K | 1.66M | Mar 2007 – Jul 2011 |
| Lubinski G-2-236289 | Kebo Oil & Gas, Inc. only | Houdman (Wilcox 8300) | Live Oak | 1 | 34.5K | 1.76M | Mar 2008 – Jun 2020 |
| TSL 32973/TR 55/ G-4-224433 | Sabco Operating Company only | Corpus Christi Bay, West (8300) | Nueces | 1 | 34.4K | 3.8M | Jan 2007 – May 2009 |
| Scanio/Shelton G-2-241967 | High Plains Gas Systems, Inc. only | Mission River (8300 Vksbg) | Refugio | 1 | 30.2K | 611K | Aug 2008 – Dec 2014 |
| BP Black Stone a-383 Unit G-3-261207 | Zarvona Energy LLC only | Magnolia Springs (Austin Chalk) | Newton | 1 | 27.4K | 2.33M | Oct 2010 – Nov 2020 |
| Cage Estate -G- G-4-51877 | Crimson Exploration Oper., Inc. only | Cage Ranch (8300 Vicksburg) | Brooks | 1 | 27.3K | 3.66M | Jan 1993 – Feb 2008 |
| Schultz 783 G-14-269467 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 25.7K | 1.3M | Oct 2012 – Apr 2026 |
| Braman -A- G-2-286087 | T-C Oil Company, LLC only | Braman (8300) | Refugio | 1 | 24.2K | 1.35M | Jun 2018 – Mar 2024 |
| Scott-North Unit G-3-159193 | Dynamic Production, Inc. only | Sublime, N. (Wilcox 8300) | Colorado | 1 | 24K | 879K | Jun 1996 – Jul 2004 |
| Mustang Island Block 883-S G-4-179803 | Fieldwood Energy LLC only | Mstg Isl BLK 883 (Marg Tex 1A) | Mustang IS-SB | 1 | 23K | 2.13M | Aug 2000 – May 2008 |
| Cranz Trust 834 G-3-217827 | Jamex, Inc. only | Rexville (Wilcox) | Austin | 1 | 22.6K | 2.26M | May 2006 – Mar 2026 |
| Adamcik G-3-271133 | Atlas Operating LLC only | Black Owl (Yegua 8300) | Wharton | 1 | 22.4K | 2.78M | Aug 2013 – Mar 2026 |
| State Tract 838 G-4-204361 | Mountain V Texas, LLC only | Zwebb (10350) | Webb | 1 | 21.6K | 1.34M | Aug 2004 – Apr 2026 |
| Ballard G-4-213311 | Dewbre Petroleum Corporation only | Calallen (8300 Sand) | Nueces | 1 | 21K | 894K | Aug 2005 – Dec 2008 |
| State Tract 833-S G-4-159850 | Forest Oil Corporation only | Clear, South (Frio 9200) | Matgrda IS-SB | 1 | 19.7K | 1.35M | Jul 1996 – Oct 2001 |
| Pawlik Godfrey Gas Unit No. 2 G-2-257927 | Kebo Oil & Gas, Inc. only | Houdman (Wilcox 8300) | Live Oak | 1 | 19.7K | 654K | Jul 2010 – Apr 2026 |
| Pawlik Godfrey Gas Unit No. 2 G-2-249409 | Kebo Oil & Gas, Inc. only | Houdman (Wilcox 8300) | Live Oak | 1 | 18.2K | 1M | Mar 2009 – Apr 2026 |
| Petroquest JV-Dorsogna G-4-248314 | Texron Operating, LLC only | Bishop, East (8350) | Nueces | 1 | 16.3K | 640K | Mar 2009 – Jan 2018 |
| Schultz 783 G-14-282143 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 16K | 381K | Nov 2016 – Apr 2026 |
| Cage Ranch G-4-194508 | Texron Operating, LLC only | Cage Ranch (8300 Vicksburg) | Brooks | 1 | 15.9K | 1.96M | Jan 2003 – Apr 2026 |
| KMF G-4-153255 | El Paso E & P Company, L. P. only | Rita, S.E. (L-83, III) | Kenedy | 1 | 15.7K | 3.66M | Jan 1995 – Apr 2008 |
| Vaughan 83 G-9-171874 | Red Stag Operating, LLC only | Doc Buddy (Ellenburger) | Crockett | 1 | 15.2K | 661K | Feb 1999 – Oct 2011 |