| Enserch Processing Inc. #142-213-30789 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | ActiveGas | 8,836 | Nov 12, 2019 | 2 | Apr 2026 |
| Enserch Processing Inc. #242-213-30797 | United Oil & Shale LLC only | HendersonLake Trinidad (Rodessa) | ActiveOil | 8,960 | Dec 6, 2018 | 3 | Dec 2025 |
| Enserch Processing Inc. #642-213-30849 | United Oil & Shale LLC only | HendersonLake Trinidad (Rodessa) | ActiveOil | 9,400 | Dec 6, 2018 | 3 | Dec 2025 |
| Wareing #242-213-30825 | United Oil & Shale LLC only | HendersonLake Trinidad (Rodessa) | Temporarily abandonedGas | 8,501 | Aug 11, 2012 | 2 | Mar 2025 |
| Enserch Processing Inc. #542-213-30834 | United Oil & Shale LLC only | HendersonLake Trinidad (Rodessa) | Temporarily abandonedGas | 8,930 | Mar 26, 2012 | 3 | Nov 2022 |
| Warren #142-213-30366 | United Oil & Shale LLC only | HendersonLake Trinidad (Rodessa) | Temporarily abandonedGas | 8,219 | Jan 18, 2011 | 2 | Nov 2021 |
| Enserch Processing Inc. #1142-213-30887 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | ActiveGas | 8,500 | May 26, 2005 | 1 | Apr 2026 |
| Arnold #742-213-30889 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | ActiveGas | 8,500 | Apr 14, 2005 | 1 | Apr 2026 |
| Wareing #442-213-30888 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,501 | Apr 13, 2005 | 1 | Mar 2025 |
| Arnold #642-213-30872 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,500 | Feb 24, 2005 | 2 | Mar 2025 |
| Zoller Heirs #142-213-30904 | Perryman Exp. and Prod. LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,174 | Jan 10, 2005 | 3 | Feb 2009 |
| Enserch Processing Inc. #1042-213-30873 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,600 | Jun 23, 2004 | 1 | Mar 2025 |
| Norwood #242-213-30869 | Stroud Petroleum Inc. only | HendersonTrinidad S. E. (Travis Peak) | PluggedGas | 9,500 | Apr 23, 2004 | 1 | Nov 2006 |
| Yates #142-213-30863 | Stroud Petroleum Inc. only | HendersonTrinidad S. E. (Travis Peak) | PluggedGas | 8,600 | Feb 6, 2004 | 1 | Jun 2005 |
| Enserch Processing Inc. #942-213-30859 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | ActiveGas | 8,500 | Oct 14, 2003 | 2 | Apr 2026 |
| Arnold #542-213-30857 | Stroud Petroleum Inc. only | HendersonTrinidad S. E. (Travis Peak) | PluggedGas | 8,800 | Apr 4, 2003 | 1 | Mar 2010 |
| Enserch Processing Inc. #742-213-30840 | Weathers Exploration Inc. only | HendersonTrinidad S. E. (Travis Peak) | PluggedGas | 9,400 | Mar 31, 2003 | 2 | May 2013 |
| Norwood #142-213-30823 | Palmer Petroleum Inc. only | HendersonTrinidad S. E. (Travis Peak) | PluggedGas | 10,500 | Jan 28, 2003 | 3 | Jan 2006 |
| Enserch Processing Inc. #842-213-30850 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | ActiveGas | 9,400 | Jul 25, 2002 | 1 | Apr 2026 |
| Arnold #442-213-30848 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,500 | Jun 21, 2002 | 1 | Nov 2021 |
| Enserch Processing Inc. #442-213-30814 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 9,400 | Mar 18, 2002 | 2 | Dec 2025 |
| Linder #342-213-30846 | Cinron Energy LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 9,471 | Feb 25, 2002 | 2 | Jun 2008 |
| Txu-Airheart #142-213-30844 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,500 | Jan 7, 2002 | 1 | Aug 2022 |
| Arnold #342-213-30841 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,876 | Nov 26, 2001 | 1 | Jan 2021 |
| Linder #242-213-30837 | Cinron Energy LLC only | HendersonTrinidad S. E. (Travis Peak) | ActiveGas | 9,523 | Aug 9, 2001 | 3 | Dec 2005 |
| Enserch Processing Inc. #342-213-30801 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 9,382 | Jun 11, 2001 | 2 | Oct 2008 |
| Wareing #142-213-30811 | Weathers Exploration Inc. only | HendersonTrinidad S. E. (Travis Peak) | PluggedGas | 9,400 | Jun 11, 2001 | 2 | Oct 2013 |
| Arnold #242-213-30828 | Stroud Petroleum Inc. only | HendersonTrinidad S. E. (Travis Peak) | PluggedGas | 9,400 | Jun 6, 2001 | 1 | Jan 2009 |
| Linder #142-213-30833 | Cinron Energy LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 11,233 | May 31, 2001 | 3 | Mar 2019 |
| Texas Power & Light Company #642-213-30831 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,510 | May 25, 2001 | 1 | Mar 2025 |
| Texas Power & Light Company #542-213-30832 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | ActiveGas | 8,501 | May 25, 2001 | 1 | Apr 2026 |
| Txu #142-213-30820 | Stroud Petroleum Inc. only | HendersonTrinidad S. E. (Travis Peak) | PluggedGas | 9,400 | Jan 25, 2001 | 1 | Nov 2002 |
| Texas Power & Light Company #442-213-30818 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 9,400 | Jan 2, 2001 | 1 | Aug 2025 |
| Texas Power & Light Company #342-213-30815 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 9,399 | Nov 14, 2000 | 1 | Mar 2025 |
| Texas Power & Light Company #242-213-30805 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,012 | Jul 28, 2000 | 1 | Nov 2024 |
| Arnold #142-213-30803 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,012 | Jul 14, 2000 | 1 | Mar 2009 |
| Spi-SWD #142-213-30798 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 4,500 | Mar 28, 2000 | 1 | — |
| Texas Power & Light Company #142-213-30391 | United Oil & Shale LLC only | HendersonTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,295 | Nov 16, 1983 | 1 | Nov 2024 |