| Gruy, Dagmar G-4-223750 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.36M | Nov 2006 – Jul 2026 |
| Gruy, Dagmar G-4-223959 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.24M | Dec 2006 – Jul 2026 |
| Gruy, Dagmar G-4-224738 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.67M | Dec 2006 – Jul 2026 |
| Gruy, Dagmar G-4-224747 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.53M | Jan 2007 – Jul 2026 |
| Gruy, Dagmar G-4-224748 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.74M | Jan 2007 – Jul 2026 |
| Gruy, Dagmar G-4-225178 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 923K | Feb 2007 – Jul 2026 |
| Gruy G-4-226975 | Dynamic Production, Inc. only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.39M | Apr 2007 – Jul 2026 |
| Gruy G-4-226976 | Dynamic Production, Inc. only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 619K | Mar 2007 – Jul 2026 |
| Gruy, Dagmar G-4-227114 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 680K | May 2007 – Jul 2026 |
| Gruy, Dagmar G-4-227456 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 688K | Apr 2007 – Jul 2026 |
| Gruy, Dagmar G-4-227774 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.12M | May 2007 – Jul 2026 |
| Gruy, Dagmar G-4-227977 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 972K | Feb 2007 – Jul 2026 |
| Gruy, Dagmar G-4-228945 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.06M | Jul 2007 – Jul 2026 |
| Gruy, Dagmar G-4-229012 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 3.07M | Jun 2007 – Jul 2026 |
| Peal Ranch G-4-229034 | Orx Resources, L.L.C. only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.59M | Oct 2006 – Jul 2026 |
| Gruy, Dagmar G-4-229698 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 629K | Aug 2007 – Jul 2026 |
| Frost Bank/Peal Ranch Unit G-4-230687 | Orx Resources, L.L.C. only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.15M | Sep 2007 – Jul 2026 |
| Gruy, Dagmar G-4-230962 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 2.27M | Sep 2007 – Jul 2026 |
| Gruy G-4-232259 | Dynamic Production, Inc. only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 583K | Jul 2007 – Jul 2026 |
| Gruy, Dagmar G-4-232682 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.45M | Nov 2007 – Jul 2026 |
| Gruy, Dagmar G-4-233196 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 247K | Dec 2007 – Jul 2026 |
| Gruy, Dagmar G-4-233216 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.07M | Dec 2007 – Jul 2026 |
| Gruy G-4-234306 | Dynamic Production, Inc. only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 449K | Aug 2007 – Apr 2017 |
| Killam Freer Ranch 196 G-4-234539 | Killam Oil Co., Ltd. only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 9.7K | Apr 2007 – Dec 2015 |
| Lopez G-4-234625 | Dynamic Production, Inc. only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 16.9K | Oct 2007 – Dec 2010 |
| Gruy, Dagmar G-4-234646 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 641K | Jan 2008 – Jul 2026 |
| Gruy, Dagmar G-4-235499 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 558K | Mar 2008 – Jul 2026 |
| Gonzalez, F. GU G-4-237402 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 273K | May 2008 – Jul 2026 |
| Gruy, Dagmar G-4-241765 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 282K | Jul 2008 – Jul 2026 |
| Gruy, Dagmar G-4-242975 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 702K | Sep 2008 – Jul 2026 |
| Gruy, Dagmar G-4-245001 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 1.27M | Jan 2009 – Jul 2026 |
| Gruy G-4-245551 | Dynamic Production, Inc. only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 48.8K | Feb 2008 – Apr 2017 |
| Gruy, Dagmar G-4-249056 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 0 | Jul 2007 – Jul 2026 |
| Gruy, Dagmar G-4-253002 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 2.15M | Oct 2009 – Jul 2026 |
| Gruy, Dagmar G-4-256531 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 752K | May 2010 – Jul 2026 |
| Gruy, Dagmar G-4-256725 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 789K | Apr 2010 – Jul 2026 |
| Gruy, Dagmar G-4-257129 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 731K | May 2010 – Jul 2026 |
| Gruy, Dagmar G-4-257164 | Varas Energy Operating Company, only | Lopez, SE. (Consolidated) | Duval | 1 | 0 | 655K | Jun 2010 – Jul 2026 |