| Self Gas Unit G-1-167875 | Varas Energy Operating Company, | Hostetter (Wilcox A) | Duval | 1 | 56.1K | 3M | Mar 1998 – Aug 2026 |
| Atchison Estate G-4-237076 | Varas Energy Operating Company, | West Tiger (Wilcox Cons.) | Duval | 1 | 37.8K | 3.33M | Nov 2007 – Aug 2023 |
| Atchison Estate G-4-237445 | Varas Energy Operating Company, | West Tiger (Wilcox Cons.) | Duval | 1 | 35.9K | 2.06M | Apr 2008 – Aug 2023 |
| Gruy, Dagmar G-4-245001 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 31.5K | 1.27M | Jan 2009 – Aug 2026 |
| Gruy, Dagmar G-4-253002 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 28.2K | 2.16M | Oct 2009 – Aug 2026 |
| Gruy, Dagmar G-4-229012 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 27.5K | 3.07M | Jun 2007 – Aug 2026 |
| Gruy, Dagmar G-4-224738 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 24.5K | 1.67M | Dec 2006 – Aug 2026 |
| Gruy, Dagmar G-4-224748 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 23.2K | 1.74M | Jan 2007 – Aug 2026 |
| Gruy, Dagmar G-4-222674 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 22.5K | 2.32M | Oct 2006 – Jul 2026 |
| Gruy, Dagmar G-4-227774 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 22.3K | 1.12M | May 2007 – Aug 2026 |
| Gruy, Dagmar G-4-230962 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 21.4K | 2.28M | Sep 2007 – Aug 2026 |
| F. Gonzalez GU G-4-170246 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 19.2K | 2.65M | Aug 1998 – Aug 2026 |
| Gruy, Dagmar G-4-256725 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 18.2K | 791K | Apr 2010 – Aug 2026 |
| Gruy, Dagmar G-4-223209 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 18K | 1.42M | Oct 2006 – Jul 2026 |
| Gruy, Dagmar G-4-223959 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 17.6K | 1.24M | Dec 2006 – Aug 2026 |
| Gruy, Dagmar G-4-224747 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 17.4K | 1.53M | Jan 2007 – Aug 2026 |
| Gruy, Dagmar G-4-242975 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 16.1K | 710K | Sep 2008 – Aug 2026 |
| Gruy, Dagmar G-4-257164 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 14.7K | 655K | Jun 2010 – Aug 2026 |
| Gruy, Dagmar G-4-223750 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 14.7K | 1.36M | Nov 2006 – Aug 2026 |
| Gruy, Dagmar G-4-228945 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 14.4K | 1.06M | Jul 2007 – Aug 2026 |
| Gruy, Dagmar G-4-225178 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 14.1K | 923K | Feb 2007 – Aug 2026 |
| Gruy, Dagmar G-4-227977 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 12.5K | 972K | Feb 2007 – Jul 2026 |
| Gruy, Dagmar G-4-232682 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 11.8K | 1.45M | Nov 2007 – Aug 2026 |
| Gruy, Dagmar G-4-227114 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 10.3K | 682K | May 2007 – Aug 2026 |
| Gruy, Dagmar G-4-256531 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 9.94K | 753K | May 2010 – Aug 2026 |
| Peters A-724 G-4-256940 | Varas Energy Operating Company, | West Tiger (Wilcox Cons.) | Duval | 1 | 9.39K | 559K | Apr 2010 – Aug 2023 |
| Mozelle-Self Gas Unit G-1-240117 | Varas Energy Operating Company, | Hostetter (Wilcox 9400) | Duval | 1 | 8.42K | 813K | May 2007 – Apr 2026 |
| Gruy, Dagmar G-4-227456 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 8.08K | 688K | Apr 2007 – Aug 2026 |
| Gruy, Dagmar G-4-233196 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 7.93K | 248K | Dec 2007 – Jul 2026 |
| Gruy, Dagmar G-4-229698 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 7.42K | 629K | Aug 2007 – Mar 2023 |
| Atchison Estate G-4-242012 | Varas Energy Operating Company, | West Tiger (Wilcox Cons.) | Duval | 1 | 7.33K | 745K | Sep 2008 – Oct 2023 |
| Gruy, Dagmar G-4-234646 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 7.02K | 641K | Jan 2008 – Aug 2026 |
| Peters A-724 G-4-256682 | Varas Energy Operating Company, | West Tiger (Wilcox Cons.) | Duval | 1 | 6.09K | 354K | Jun 2010 – Oct 2023 |
| Gruy, Dagmar G-4-257129 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 6.07K | 731K | May 2010 – Aug 2026 |
| Atchison Estate G-4-242238 | Varas Energy Operating Company, | West Tiger (Wilcox Cons.) | Duval | 1 | 5.97K | 292K | Oct 2008 – Aug 2023 |
| Gruy, Dagmar G-4-233216 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 5.86K | 1.07M | Dec 2007 – Aug 2026 |
| F. Gonzales GU G-4-212170 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 4.88K | 882K | Jul 2005 – Aug 2026 |
| Gruy, Dagmar G-4-235499 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 3.91K | 558K | Mar 2008 – Aug 2026 |
| Atchison Estate G-4-242308 | Varas Energy Operating Company, | West Tiger (Wilcox Cons.) | Duval | 1 | 3.8K | 267K | Sep 2008 – Aug 2023 |
| Atchison Estate G-4-231153 | Varas Energy Operating Company, | West Tiger (Wilcox Cons.) | Duval | 1 | 3.4K | 364K | Sep 2007 – Jun 2023 |
| Atchison Estate G-4-244626 | Varas Energy Operating Company, | West Tiger (Wilcox Cons.) | Duval | 1 | 2.47K | 296K | Nov 2008 – Aug 2023 |
| Gonzalez, F. GU G-4-237402 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 2.07K | 273K | May 2008 – Jan 2017 |
| Gruy, Dagmar G-4-241765 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 2.07K | 282K | Jul 2008 – Aug 2026 |
| Gruy, Dagmar G-4-227120 | Varas Energy Operating Company, | Wildcat | Duval | 1 | 0 | 0 | — |
| Gruy, Dagmar G-4-249056 | Varas Energy Operating Company, | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 0 | — |
| Gruy, Dagmar G-4-227462 | Varas Energy Operating Company, | Wildcat | Duval | 1 | 0 | 0 | — |