| Phoenix A G-1-295940 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 309K | 884K | Aug 2023 – Apr 2026 |
| Phoenix 56-2-31 Unit G-10-283364 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 302K | 1.26M | Jan 2018 – Apr 2026 |
| Phoenix Unit G-1-294738 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 222K | 481K | Jul 2021 – Apr 2026 |
| Phoenix Unit G-1-294737 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 213K | 538K | Jul 2021 – Apr 2026 |
| Phoenix Unit G-1-296555 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 198K | 534K | Aug 2023 – Apr 2026 |
| Phoenix Unit G-1-295969 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 196K | 525K | Aug 2023 – Apr 2026 |
| Briarcove Unit G-3-204707 | Phoenix Hydrocarbons Operating only | Ulrich (Yegua 3A) | Harris | 1 | 145K | 6.38M | Dec 2004 – Oct 2023 |
| Nixon Lake G-3-288368 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk, Gas) | Washington | 1 | 135K | 2.7M | Jul 2019 – Mar 2026 |
| Rampart Gas Unit 1 G-3-275350 | Phoenix Hydrocarbons Operating only | Crosby, West (Cabot Sand) | Harris | 1 | 111K | 4.74M | Jun 2013 – Apr 2023 |
| Nix 87 G-14-278611 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 96.5K | 418K | Feb 2015 – Apr 2026 |
| Nix 84 G-14-277917 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 76K | 310K | May 2014 – Apr 2026 |
| Nix 84 G-14-278206 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 67.2K | 581K | Aug 2014 – Apr 2025 |
| Nixon-Steinle G-1-64971 | Mobil Producing TX. & N.M. Inc. only | Jourdanton | Atascosa | 1 | 60.9K | 2.65M | by Jan 1993 – Jun 2000 |
| Nix 84 G-14-278153 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 57.5K | 555K | Aug 2014 – Apr 2026 |
| Nix 84 G-14-278029 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 51.3K | 179K | Sep 2014 – Nov 2020 |
| Nix 84 G-14-278136 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 48.4K | 240K | Aug 2014 – Feb 2023 |
| Nix 86 G-14-278572 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 46.9K | 325K | Feb 2015 – Apr 2026 |
| Murff, Billy G-3-246607 | Phoenix Hydrocarbons Operating only | Ulrich (Yegua 1D) | Harris | 1 | 42.8K | 987K | Dec 2008 – Dec 2023 |
| Nix '89' G-14-282896 | Mewbourne Oil Company only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 34.5K | 115K | Jun 2014 – Apr 2026 |
| Nix B G-14-279077 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 34.3K | 234K | Nov 2015 – Apr 2026 |
| Nix 88 G-14-281083 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 33.3K | 230K | Mar 2015 – Apr 2026 |
| Barnes, Leah G. G-5-126207 | Phoenix Hydrocarbons Operating only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 24.3K | 293K | by Jan 1993 – Apr 2003 |
| BP/Anadarko G-3-246885 | Phoenix Hydrocarbons Operating only | Esperson Dome | Liberty | 1 | 23.1K | 1.81M | Jan 2009 – May 2021 |
| Murff, Billy G-3-214757 | Phoenix Hydrocarbons Operating only | Ulrich (Cochran Sand) | Harris | 1 | 20.3K | 879K | Feb 2006 – Sep 2008 |
| Barnes, Leah G. G-5-124853 | Phoenix Hydrocarbons Operating only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 20.2K | 244K | by Jan 1993 – May 2003 |
| BP/Kerr-McGee G-3-219170 | Phoenix Hydrocarbons Operating only | Esperson Dome | Liberty | 1 | 15.7K | 1.08M | Aug 2006 – May 2022 |
| Estes G-10-244468 | Olsen Energy Inc. only | Phoenix (Silurian) | Crane | 1 | 15.6K | 579K | Nov 2008 – Apr 2026 |
| Nix, Billie G-6-222650 | Aeternum Energy, LLC only | Naconiche Creek (Cotton Valley) | Nacogdoches | 1 | 13.5K | 298K | Jun 2006 – Jan 2026 |
| Lakewood Gas Unit G-3-281268 | Phoenix Hydrocarbons Operating only | Crosby, West (Y-3) | Harris | 1 | 12.9K | 858K | Mar 2014 – Dec 2021 |
| Partlow G-3-246886 | Phoenix Hydrocarbons Operating only | Esperson Dome | Liberty | 1 | 11.6K | 1.31M | Jan 2009 – Jan 2022 |
| Nix, Billie G-6-214069 | Aeternum Energy, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 10.8K | 234K | Feb 2005 – May 2015 |
| Nix B G-14-280047 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 10.3K | 75.2K | Feb 2016 – Apr 2026 |
| Nixon G-3-154968 | Senora Resources, Inc. only | Giddings (Austin Chalk, Gas) | Washington | 1 | 8.98K | 491K | May 1995 – Oct 2009 |
| Nix 70 G-14-278471 | Revolution Operating Company,llc only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 8.87K | 97.7K | Oct 2013 – May 2018 |
| Phoenix Gas Unit G-4-193848 | BP America Production Company only | Donna (6700) | Hidalgo | 1 | 8.13K | 264K | Mar 2003 – Aug 2003 |
| Phoenix Gas Unit G-4-190708 | BP America Production Company only | Donna (Schuster) | Hidalgo | 1 | 7.57K | 1.62M | Sep 2002 – Jul 2003 |
| Nix G-14-191473 | United Oil & Shale LLC only | Canadian, NW (Douglas) | Hemphill | 1 | 6.32K | 1.02M | Nov 2002 – Jun 2014 |
| Nixon 177 G-9-209183 | Highmount Expl & Prod Texas LLC only | Sawyer (Strawn, North) | Schleicher | 1 | 5.74K | 1.02M | Sep 2004 – Dec 2012 |
| Esperson Moores Bluff G-3-155212 | Phoenix Hydrocarbons Operating only | Esperson Dome | Liberty | 1 | 5.08K | 115K | Aug 1995 – Oct 2004 |
| Dupont de Nemours, E. I. G-3-147734 | Rio Bravo Oil Company only | Phoenix Lake (Marg 7600) | Orange | 1 | 4.52K | 109K | Dec 1993 – Aug 1994 |
| Nix Unit G-13-224946 | XTO Energy Inc. only | Newark, East (Barnett Shale) | Hood | 1 | 3.7K | 504K | Aug 2006 – May 2015 |
| Phoenix Gas Unit G-4-196588 | BP America Production Company only | Donna (6600) | Hidalgo | 1 | 3.14K | 151K | Aug 2003 – Jul 2004 |
| Nix G-13-240615 | XTO Energy Inc. only | Newark, East (Barnett Shale) | Hood | 1 | 2.99K | 471K | Mar 2006 – May 2015 |
| Nix, E. M. G-13-28763 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 2.28K | 1.43M | by Jan 1993 – Apr 2026 |
| Nix, E. M. G-13-133588 | Devon Energy Production Co, L.P. only | Boonsville (Bend Congl., Gas) | Wise | 1 | 2.16K | 408K | by Jan 1993 – Aug 2017 |
| Nixon 177 G-9-18804 | Upp Operating, LLC only | Buckhorn (Strawn) | Schleicher | 1 | 1.96K | 328K | by Jan 1993 – May 2011 |
| Phoenix Gas Unit G-4-197687 | BP America Production Company only | Donna (6180) | Hidalgo | 1 | 1.87K | 99.5K | Oct 2003 – Nov 2003 |
| Nix G-14-189069 | United Oil & Shale LLC only | Canadian, NW (Douglas) | Hemphill | 1 | 1.86K | 507K | Jun 2002 – Feb 2011 |
| Phoenix Gas Unit G-4-202918 | BP America Production Company only | Donna (Swallow) | Hidalgo | 1 | 1.82K | 142K | Jul 2004 – Sep 2004 |
| Espersons Moore's Bluff G-3-186920 | Phoenix Hydrocarbons Operating only | Esperson Dome (Vicksburg) | Liberty | 1 | 1.8K | 49.3K | Nov 2001 – Mar 2002 |