| Linder G-5-186462 | Cinron Energy, LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 10K | 651K | Dec 2001 – Mar 2019 |
| Txu-Airheart G-5-188998 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 5.36K | 674K | Apr 2002 – Aug 2022 |
| Norwood G-5-199344 | Palmer Petroleum Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 4.56K | 115K | Nov 2003 – Jan 2006 |
| Arnold G-5-185957 | Stroud Petroleum, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 2.54K | 1.31M | Oct 2001 – Jan 2009 |
| Warren G-5-105150 | Stroud Petroleum, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 1.56K | 516K | Jan 1993 – Oct 2010 |
| Enserch Processing, Inc. G-5-192975 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 1.56K | 799K | Nov 2002 – Apr 2026 |
| Arnold G-5-190914 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 1.5K | 873K | Aug 2002 – Nov 2021 |
| Linder G-5-188985 | Cinron Energy, LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 1.25K | 415K | May 2002 – Jun 2008 |
| Enserch Processing, Inc. G-5-199012 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 1.24K | 855K | Jan 2004 – Apr 2026 |
| Texas Power & Light Company G-5-187256 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 1.12K | 271K | Jan 2002 – Apr 2026 |
| Arnold G-5-196229 | Stroud Petroleum, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 1.07K | 457K | Jun 2003 – Mar 2010 |
| Arnold G-5-179798 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 800 | 804K | Oct 2000 – Mar 2009 |
| Arnold G-5-206399 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 789 | 790K | Sep 2004 – Mar 2025 |
| Enserch Processing, Inc. G-5-195583 | Weathers Exploration, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 760 | 1.02M | Feb 2003 – May 2013 |
| Wareing G-5-183824 | Weathers Exploration, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 747 | 808K | Jul 2001 – Oct 2013 |
| Texas Power & Light Company G-5-182147 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 680 | 314K | Apr 2001 – Mar 2025 |
| Enserch Processing Inc. G-5-216553 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 643 | 398K | Aug 2005 – Apr 2026 |
| Norwood G-5-204231 | Stroud Petroleum, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 632 | 26.2K | Aug 2004 – Nov 2006 |
| Enserch Processing, Inc. G-5-188569 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 614 | 784K | Apr 2002 – Dec 2025 |
| Texas Power & Light Company G-5-179984 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 606 | 347K | Oct 2000 – Nov 2024 |
| Texas Power & Light Company G-5-108812 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 504 | 309K | Jan 1993 – Nov 2024 |
| Linder G-5-188787 | Cinron Energy, LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 466 | 126K | May 2002 – Dec 2005 |
| Enserch Processing, Inc. G-5-196523 | Weathers Exploration, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 434 | 284K | Jun 2003 – Nov 2018 |
| Enserch Processing, Inc. G-5-183689 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 396 | 814K | Jul 2001 – Oct 2008 |
| Wareing G-5-187258 | Stroud Petroleum, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 388 | 228K | Jan 2002 – Apr 2008 |
| Arnold G-5-187687 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 333 | 694K | Feb 2002 – Jan 2021 |
| Enserch Processing, Inc G-5-189701 | Weathers Exploration, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 264 | 517K | Jun 2002 – Nov 2018 |
| Texas Power & Light Company G-5-182383 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 240 | 420K | Apr 2001 – Aug 2025 |
| Enserch Processing, Inc. G-5-204344 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 212 | 522K | Sep 2004 – Mar 2025 |
| Yates G-5-201786 | Stroud Petroleum, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 146 | 31K | Jun 2004 – Jun 2005 |
| Enserch Processing, Inc. G-5-197086 | Stroud Petroleum, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 111 | 450K | Jul 2003 – Apr 2011 |
| Enserch Processing, Inc. G-5-288534 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 101 | 37.3K | Nov 2019 – Apr 2026 |
| Texas Power & Light Company G-5-185476 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 99 | 436K | Oct 2001 – Mar 2025 |
| Arnold G-5-218870 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 66 | 103K | Apr 2006 – Apr 2026 |
| Wareing G-5-216555 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 51 | 191K | Sep 2005 – Mar 2025 |
| Txu G-5-184662 | Stroud Petroleum, Inc. only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 46 | 50.1K | Jul 2001 – Nov 2002 |
| Spi-SWD G-5-177753 | United Oil & Shale LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 0 | 0 | — |
| Zoller Heirs G-5-216865 | Perryman Exp. and Prod., LLC only | Trinidad, S. E. (Travis Peak) | Henderson | 1 | 0 | 38.6K | Jun 2005 – Feb 2009 |