| Biediger O-1-18276 | Chicon Lake | Medina | 8 | 42.8K | 9.19K | Jan 2015 – Apr 2026 | this operator |
| K. Kohlleppel O-1-18764 | Chicon Lake | Medina | 3 | 10.2K | 17 | Mar 2017 – Apr 2026 | this operator |
| Medina -A- O-1-302 | Chicon Lake | Medina | 19 | 6.31K | 101 | Jan 2009 – Apr 2026 | this operator |
| King, J. H. O-1-301 | Chicon Lake | Medina | 10 | 4.39K | 101 | Jan 2009 – Apr 2026 | this operator |
| Chapal O-1-20083 | Chicon Lake | Medina | 1 | 3.06K | 18 | Feb 2018 – Apr 2026 | this operator |
| Ralph & Sons Farms, Inc O-1-19346 | Fairfield | Medina | 2 | 2.02K | 24 | Jun 2018 – Apr 2026 | this operator |
| Felisa Valdez O-1-18719 | Chicon Lake | Medina | 5 | 1.36K | 26 | Sep 2016 – Apr 2026 | this operator |
| Gene Palmieri O-1-18385 | Chicon Lake | Medina | 3 | 754 | 19 | Jun 2017 – Apr 2026 | this operator |
| Green, Noble J. O-1-10061 | Chicon Lake | Medina | 3 | 407 | 34 | Oct 2017 – Sep 2024 | this operator |
| Alamo Productions, Inc. O-1-18213 | Fairfield | Bexar | 2 | 515 | 23 | Jun 2015 – Sep 2020 | this operator |
| Lago O-4-13722 | Pedernal (Queen City) | Starr | 2 | 136K | 511K | Apr 2011 – Dec 2019 | Mortimer Production Company |
| Gutierrez No. 1 O-4-13246 | Pedernal (Queen City) | Starr | 3 | 102K | 133K | Apr 2009 – Dec 2019 | Mortimer Production Company |
| Ignacia Gutierrez O-4-13732 | Pedernal (Queen City) | Starr | 2 | 77.9K | 138K | Oct 2011 – Dec 2019 | Mortimer Production Company |
| La Liebre O-4-13349 | Pedernal (Queen City) | Starr | 1 | 76.1K | 53.3K | Apr 2009 – Dec 2019 | Mortimer Production Company |
| Garza Heirs O-4-13297 | Pedernal (Queen City) | Starr | 1 | 30.5K | 53.1K | Apr 2009 – Dec 2019 | Mortimer Production Company |
| El Paton G-4-246922 | T Patch (Reklaw Oso) | Zapata | 1 | 3.53K | 236K | Dec 2012 – Dec 2019 | Mortimer Production Company |
| Donnell Minerals G-4-229978 | T Patch (Reklaw Oso) | Zapata | 1 | 2.9K | 120K | Jul 2009 – Dec 2019 | Mortimer Production Company |
| Sue Fuller O-4-13942 | Pedernal (Crockett) | Starr | 1 | 2.35K | 86.5K | Jul 2012 – Dec 2019 | Mortimer Production Company |
| Bowers Trust G-4-252976 | T Patch (Reklaw Oso) | Zapata | 1 | 2.32K | 393K | Dec 2012 – Dec 2019 | Mortimer Production Company |
| Garza G-4-247278 | Roma, East (5650) | Starr | 1 | 1.98K | 363K | Jun 2008 – Dec 2019 | Mortimer Production Company |
| Bowers Trust G-4-251146 | T Patch (Reklaw Oso) | Zapata | 1 | 1.39K | 247K | Dec 2012 – Dec 2019 | Mortimer Production Company |
| Gutierrez G-4-234479 | T Patch (Reklaw Oso) | Starr | 1 | 1.33K | 205K | Jul 2009 – Dec 2019 | Mortimer Production Company |
| El Paton G-4-242315 | T Patch (Reklaw Oso) | Zapata | 1 | 781 | 150K | Dec 2012 – Dec 2019 | Mortimer Production Company |
| Guerra, R.R. G-4-219301 | Pedernal (Queen City) | Starr | 1 | 402 | 268K | Apr 2009 – Dec 2019 | Mortimer Production Company |
| Mauricio Gonzalez Unit G-4-233582 | T Patch (Reklaw Oso) | Starr | 1 | 284 | 252K | Jan 2010 – Dec 2019 | Mortimer Production Company |
| Garza Heirs Unit 2 G-4-275498 | T Patch (Reklaw Oso) | Starr | 1 | 284 | 167K | Mar 2012 – Dec 2019 | Mortimer Production Company |
| W. F. Green III G-3-258189 | Collegeport (2900) | Matagorda | 1 | 0 | 415K | May 2010 – Dec 2019 | Trinidad Resources, LLC |
| Lopez, J. G. G-4-270772 | Roadrunner (Basal Queen City) | Jim Hogg | 1 | 5.27K | 570K | Jun 2013 – Oct 2019 | Mortimer Production Company |
| Sue Fuller O-4-13911 | Pedernal (Queen City) | Starr | 1 | 88.1K | 43.1K | Mar 2014 – Sep 2019 | Mortimer Production Company |
| Guiterrez, J.M. Estate G-4-106783 | Roadrunner (Basal Queen City) | Jim Hogg | 1 | 1.48K | 136K | Dec 2012 – Apr 2019 | Mortimer Production Company |
| Guerra Mineral Trust G-4-218315 | T Patch (Reklaw Oso) | Starr | 1 | 347 | 135K | Apr 2011 – Dec 2018 | Mortimer Production Company |
| Simpson G-4-222290 | Samano (Fourth Massive) | Starr | 1 | 5 | 61K | Mar 2017 – Nov 2017 | this operator |
| Rodriguez-State G-4-245245 | T Patch (Reklaw Oso) | Zapata | 1 | 1.46K | 83K | Dec 2012 – Oct 2017 | Mortimer Production Company |
| Guerra Mineral Trust G-4-217404 | T Patch (Reklaw Oso) | Starr | 1 | 1.6K | 23.9K | Apr 2011 – Jul 2017 | Mortimer Production Company |
| Gutierrez G-4-235477 | T Patch (Reklaw Oso) | Starr | 1 | 97 | 69.1K | Jul 2009 – Jul 2017 | Mortimer Production Company |
| Guerra, R. R. O-4-13374 | Pedernal (Queen City) | Starr | 1 | 9.05K | 0 | Apr 2009 – Jun 2016 | Mortimer Production Company |
| Gutierrez G-4-233584 | T Patch (Reklaw Oso) | Starr | 1 | 1.19K | 162K | Jul 2009 – Jun 2016 | Mortimer Production Company |
| Brown, Olga O-1-298 | Chicon Lake | Medina | 12 | 6.13K | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Dryden, E. J. O-1-300 | Chicon Lake | Medina | 13 | 5.01K | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Rackley, Henry O-1-304 | Chicon Lake | Medina | 10 | 3.3K | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Montez-Dryden O-1-5644 | Chicon Lake | Medina | 5 | 2.41K | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Cobb Lease Unit #1-Stewart O-1-8649 | Chicon Lake | Medina | 4 | 1.85K | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Cobb Lease Unit #1-Carter O-1-5874 | Chicon Lake | Medina | 2 | 1.81K | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Cobb Lease Unit #1-Mendoza O-1-6489 | Chicon Lake | Medina | 3 | 1.57K | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Rackley, Henry Oil Unit O-1-11359 | Chicon Lake | Medina | 1 | 713 | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Grubbs & Holloway O-1-4742 | Fairfield | Medina | 13 | 592 | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Lowe, Sammy A. O-1-7749 | Chicon Lake | Medina | 7 | 590 | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Jacob de la O 14-A O-1-9861 | Chicon Lake | Medina | 2 | 506 | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Cobb Lease Unit #1-Obaya-Clark O-1-8619 | Chicon Lake | Medina | 2 | 392 | 82 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |
| Denny, Frank O-1-6941 | Chicon Lake | Medina | 2 | 300 | 81 | Jan 2009 – Oct 2015 | Rlu Oil & Gas, Inc. |