| McWilliams Heirs A O-1-15060 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 8 | 484K | 3.4M | May 2009 – Apr 2026 |
| Kelfer O-1-16302 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 2 | 154K | 566K | Oct 2011 – Jan 2022 |
| Hoyle-Kothmann O-1-16512 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 101K | 261K | Apr 2012 – Jun 2023 |
| Little-Dukes Unit O-1-16272 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 91K | 415K | Mar 2012 – Apr 2026 |
| George R. Brown O-1-17666 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 2 | 87.4K | 851K | Mar 2014 – Apr 2026 |
| S Beever et Al O-1-16419 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 2 | 84.7K | 1.07M | Jan 2012 – Apr 2026 |
| O'Neill-Biel Unit O-1-17785 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 76.1K | 634K | Oct 2012 – Apr 2026 |
| Burleson O-1-17569 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 59.7K | 347K | Oct 2012 – Feb 2018 |
| E-F 1893 Unit O-1-16309 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 58.2K | 244K | Nov 2011 – Jan 2024 |
| Beever Farms Inc C O-1-17932 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 30.1K | 385K | Dec 2012 – Jul 2024 |
| Marrs McLean Unit G-1-261622 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 7.81K | 709K | Mar 2011 – Mar 2026 |
| Calvert, J. H. G-1-71635 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 4.91K | 1.19M | Jan 1993 – Apr 2026 |
| Marrs McLean Unit G-1-260006 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 4.52K | 581K | Nov 2010 – Jul 2024 |
| Marrs McLean Unit G-1-259992 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 4.36K | 431K | Nov 2010 – Feb 2025 |
| Marrs McLean Unit G-1-263312 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 4.22K | 775K | Apr 2011 – Aug 2024 |
| Harlan, R. K. G-1-137655 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 4.19K | 181K | Jan 1996 – Sep 2007 |
| Harlan, R. K. G-1-241711 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 3.12K | 612K | May 2008 – Jul 2024 |
| Harlan, R. K. G-1-69792 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 2.39K | 854K | Jan 1993 – Jul 2024 |
| Marrs McLean Unit G-1-271820 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 2.24K | 413K | Aug 2013 – Jul 2024 |
| Harlan, R. K. G-1-71146 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 2.1K | 459K | Jan 1993 – Jul 2024 |
| Harlan, R. K. G-1-238725 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 1.99K | 313K | Mar 2008 – Jul 2024 |
| Harlan, R. K. G-1-230132 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 1.91K | 396K | Jul 2007 – Jul 2024 |
| Harlan, R. K. G-1-254230 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 1.7K | 380K | Oct 2009 – Apr 2024 |
| Beever Farms Inc C G-1-260313 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 1.62K | 69.2K | Feb 2011 – Nov 2012 |
| Harlan, R. K. G-1-232696 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 1.53K | 257K | Nov 2007 – Jul 2024 |
| Harlan, R. K. G-1-247424 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 1.01K | 281K | Jan 2009 – Jul 2024 |
| Harlan, R. K. G-1-249809 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 1K | 235K | Apr 2009 – Jul 2024 |
| Carnes G-1-208914 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 981 | 329K | May 2005 – Apr 2026 |
| Harlan, R. K. G-1-194191 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 889 | 61.5K | Feb 2003 – Apr 2022 |
| Harlan, R. K. G-1-251165 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 886 | 581K | Apr 2009 – Apr 2026 |
| Marrs McLean Unit G-1-251760 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 883 | 199K | Jul 2009 – Sep 2021 |
| Carnes G-1-221329 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 730 | 1.11M | Aug 2006 – Apr 2026 |
| Harlan, R. K. G-1-71147 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 609 | 351K | Feb 1997 – Jul 2024 |
| Calvert, J. H. G-1-226045 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 444 | 109K | Feb 2007 – Nov 2023 |
| Talasek G-1-244792 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 385 | 273K | Dec 2008 – Oct 2024 |
| Harlan, R. K. G-1-244790 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 337 | 272K | Dec 2008 – Feb 2018 |
| Harlan, R. K. G-1-74309 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 257 | 293K | May 1995 – Apr 2009 |
| Harlan, R. K. G-1-225023 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 34 | 27.2K | Jan 2007 – Feb 2008 |
| Pechal-Sirny G-1-249817 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 12 | 359K | Mar 2009 – Jul 2024 |
| Marrs McLean Unit G-1-272178 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 10 | 12.4K | May 2013 – Oct 2013 |
| Harlan, R. K. G-1-69213 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 9 | 367K | Jan 1993 – May 2016 |
| Harlan, R. K. G-1-214724 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 2 | 133K | Feb 2006 – Mar 2024 |
| Marrs McLean Unit O-1-17490 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 0 | 0 | — |
| Harlan, R. K. G-1-191822 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 0 | 652K | Jan 2003 – Jul 2024 |
| Harlan, R. K. G-1-230600 | Virtex Petroleum Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 0 | 1.22K | Sep 2007 – Oct 2007 |
| McWilliams Heirs A G-1-249097 | Virtex Operating Company, Inc. only | Doering Ranch (Georgetown) | Frio | 1 | 0 | 1.23K | Feb 2009 – May 2009 |
| Harlan, R. K. G-1-194195 | Trailblazer Energy Resources,llc only | Doering Ranch (Georgetown) | Frio | 1 | 0 | 547K | Jan 2003 – Jul 2024 |