| Palafox Exploration Co. 2292 G-4-53464 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 291K | Jan 1993 – Jul 2026 |
| Palafox Exploratton Co. 876 G-4-54010 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 0 | 344K | Jan 1993 – Jul 2026 |
| Palafox Exploration Company G-4-54011 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 211K | Jan 1993 – Jul 2017 |
| Palafox G-4-55629 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 202K | Jan 1993 – May 2019 |
| De Benavides,rosa V. Ralston J. G-4-55648 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 224K | Jan 1993 – Jul 2026 |
| Benevides-CNR G-4-55649 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 102K | Jan 1993 – Jul 2026 |
| De Benavides,rosa V. Ralston J. G-4-55650 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 166K | Jan 1993 – Jul 2026 |
| Benevides-CNR G-4-55651 | Peak Energy Corporation only | Las Tiendas (Olmos) | — | 1 | 0 | 63.8K | Jan 1993 – May 2010 |
| De Benavides,rosa V. Ralston J. G-4-55652 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 158K | Jan 1993 – Sep 2014 |
| Benevides-CNR G-4-55653 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 0 | 17K | Jan 1993 – Sep 2014 |
| De Benavides,rosa V. Ralston J. G-4-55654 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 92.8K | Jan 1993 – Mar 2019 |
| Benevides-CNR G-4-55655 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 0 | 170K | Jan 1993 – Jul 2026 |
| De Benavides,rosa V. Ralston J. G-4-55835 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 117K | Jan 1993 – Jul 2026 |
| De Benavides,rosa V. Ralston J. G-4-55836 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 40.2K | Jan 1993 – Jul 2026 |
| Benevides-CNR G-4-56269 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 0 | 74.8K | Jan 1993 – Aug 2017 |
| Benevides-CNR G-4-56270 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 0 | 387K | Jan 1993 – Jul 2026 |
| Benevides-CNR G-4-56271 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 0 | 209K | Jan 1993 – Jul 2026 |
| VT Triphene Middleton et al -B- G-4-57449 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 257K | Jan 1993 – Jul 2026 |
| Barreda, Maria G-4-57490 | Prime Operating Company only | Las Tiendas (Olmos) | — | 1 | 0 | 217K | Jan 1993 – Oct 2022 |
| Saunders, J.R. G-4-57560 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 605K | Jan 1993 – Jul 2026 |
| Benevides-CNR G-4-57588 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 0 | 27.1K | Jan 1993 – Sep 2014 |
| Palafox Exploration Co 2292 G-4-57646 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 186K | Jan 1993 – Jul 2026 |
| Middleton,triphene G-4-57775 | Middleton Oil Company only | Las Tiendas (Olmos) | — | 1 | 0 | 77.6K | Jan 1993 – Jul 2026 |
| Cox, B.H. & G.A. G-4-58518 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 290K | Jan 1993 – Jul 2026 |
| Martin, V.D. G-4-58519 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 261K | Jan 1993 – Jul 2026 |
| Beasley-Connevey Ranch-C- G-4-58700 | Hughes, Dan A. Company only | Las Tiendas (Olmos) | — | 1 | 0 | 0 | Jan 1993 – Sep 1994 |
| Cox, B.H. & G.A. G-4-58942 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 262K | Jan 1993 – Jul 2026 |
| Benevides-CNR G-4-58991 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 44.2K | Jan 1993 – Aug 2017 |
| Palafox G-4-59372 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 62.9K | Jan 1993 – Aug 2017 |
| Palafox -64- G-4-59760 | Tana Oil and Gas Corporation only | Las Tiendas (Olmos) | — | 1 | 0 | 0 | Jan 1993 – Mar 1993 |
| Palafox Exploration Co. G-4-59761 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 173K | Jan 1993 – Jul 2026 |
| Meador State G-4-61522 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 148K | Jan 1993 – Jul 2026 |
| Gonzalez -B- David et Al G-4-61523 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 0 | 131K | Jan 1993 – Jul 2002 |
| Saunders, J. R. G-4-61597 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 199K | Jan 1993 – Jul 2026 |
| Martin-Volz G-4-61719 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 47.8K | Jan 1993 – Aug 2017 |
| H.I. Palafox G-4-61810 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 200K | Jan 1993 – Aug 2015 |
| Palafox Exploration Company G-4-62145 | Tana Oil and Gas Corporation only | Las Tiendas (Olmos) | — | 1 | 0 | 0 | Jan 1993 – Mar 1993 |
| Beasley Connevey Ranch -C- G-4-64464 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 618K | Jan 1993 – Jul 2026 |
| H.I. Palafox G-4-64568 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 215K | Jan 1993 – Apr 2017 |
| H.I. Palafox G-4-64594 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 26.6K | Jan 1993 – Aug 2017 |
| H.I. Palafox G-4-64647 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 34.1K | Jan 1993 – Jul 2018 |
| Palafox Exploration Co. G-4-64792 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 233K | Jan 1993 – Oct 2013 |
| Palafox Exploration Co. G-4-64793 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 62.7K | Jan 1993 – May 2019 |
| Palafox Exploration G-4-64794 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 32.8K | Jan 1993 – Mar 2009 |
| Martin Estate G-4-65111 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 141K | Jan 1993 – Jul 2026 |
| H.I. Palafox G-4-65427 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 254K | Jan 1993 – Apr 2019 |
| Gonzalez, David et al -A- G-4-65952 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 232K | Jan 1993 – Aug 2011 |
| Palafox Exploration Co. -A- G-4-66120 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 69.9K | Jan 1993 – Sep 2016 |
| Palafox Exploration Co. G-4-66155 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 97K | Jan 1993 – Oct 2014 |
| Palafox Exploration Co. G-4-66156 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | — | 1 | 0 | 32K | Jan 1993 – Sep 2016 |