| Stewart Trust State G-4-249000 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 0 | 11.3K | Apr 2009 – Oct 2009 |
| Los Ojuelos Mineral Trust G-4-248013 | Evans, S. Lavon Jr. Oper. Co. only | Missy (Wilcox) | Webb | 1 | 0 | 0 | — |
| Johnson, Mary M. Trust G-4-244985 | El Paso E&P Zapata, L.P. only | La Perla (Lobo Cons.) | Zapata | 1 | 0 | 5.99K | Sep 2008 – Oct 2008 |
| Rowan Estate Trust (SA) G-13-272182 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 0 | 2.7M | Aug 2013 – Aug 2026 |
| Carter Trust Unit G-13-266518 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.13M | Sep 2012 – Nov 2021 |
| Boston Texas Land & Trust "A" G-4-244844 | Shell Western E&P only | Wildcat | Hidalgo | 1 | 0 | 0 | — |
| Fidelity Trust "21" G-10-192397 | Abraxas Petroleum Corporation only | Waha (Montoya) | Reeves | 1 | 0 | 0 | — |
| Bruni Mineral Trust "B" G-4-231777 | Chevron U. S. A. Inc. only | Glen Martin (Wilcox 6450) | Webb | 1 | 0 | 0 | — |
| Los Ojuelos Mineral Trust G-4-229370 | Evans, S. Lavon Jr. Oper. Co. only | Wildcat | Webb | 1 | 0 | 3 | Jun 2010 – Jun 2012 |
| Lau-Cole Trust 3 (SA) G-13-263934 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 4.82M | Nov 2011 – Aug 2026 |
| Marrs McLean Trust -A- G-4-228896 | BP America Production Company only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 0 | 4.01K | Feb 2006 – Feb 2006 |
| Benavides Trust G-4-228757 | Las Lomas Services, LLC only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 0 | 0 | — |
| Marrs McLean Trust -A- G-4-226981 | BP America Production Company only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 0 | 0 | — |
| Marrs McLean Trust -A- G-4-225826 | BP America Production Company only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 0 | 23.2K | Feb 2007 – Apr 2007 |
| Canales Family Trust G-4-223366 | EOG Resources, Inc. only | Wildcat | Starr | 1 | 0 | 0 | — |
| Gonzales Benavides Trust G-4-218019 | Chesapeake Operating, Inc. only | Lopeno, NE. (Wilcox 8400) | Zapata | 1 | 0 | 0 | — |
| Gonzales Benavides Trust G-4-218018 | Chesapeake Operating, Inc. only | Lopeno, NE. (8850) | Zapata | 1 | 0 | 0 | — |
| Cole Trusts 576 "A" G-13-255310 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 1.95M | Feb 2010 – Aug 2026 |
| Benavides Trust G-4-215158 | Pogo Producing Company LLC only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 0 | 0 | — |
| Carmody Trust G-4-211420 | Rincon Petroleum Corporation only | Plymouth (3900) | San Patricio | 1 | 0 | 30K | Jul 2005 – Nov 2005 |
| Carmody Trust "A" G-4-211419 | Rincon Petroleum Corporation only | Plymouth (3900) | San Patricio | 1 | 0 | 225K | Jul 2005 – Mar 2009 |
| Maryland Trust G-4-211223 | Kaler Energy Corp. only | Wildcat | San Patricio | 1 | 0 | 0 | — |
| Big Canyon Ranch G-10-204739 | OXY USA Inc. only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |
| Cole Trust Four-Porter (SA) G-13-255309 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 2.88M | Dec 2009 – Aug 2026 |
| Bruni Mineral Trust 15 G-4-209462 | Killam Oil Co., Ltd. only | Zwebb (10350) | Zapata | 1 | 0 | 1.4M | Jul 2004 – Apr 2011 |
| Dinn Mineral Trust G-4-208823 | Hughes, Dan A. Company, L.P. only | Dinn, Deep (11200) | Duval | 1 | 0 | 10.6K | Feb 2005 – Sep 2006 |
| Guerra, D.V. Trust G-4-208807 | Houston Exploration Company, The only | Wildcat | Hidalgo | 1 | 0 | 0 | — |
| Dinn Mineral Trust G-4-204102 | Metano Energy, LP only | Wildcat | Duval | 1 | 0 | 0 | — |
| Lopez Mineral Trust G-4-202727 | EOG Resources, Inc. only | Dinn Intermediate (Hinnant) | Duval | 1 | 0 | 227K | Jun 2004 – Nov 2004 |
| Randee Fawcett Trust G-9-272122 | Upp Operating, LLC only | Sawyer (Leonard) | Sutton | 1 | 0 | 0 | — |
| Mayo Trusts G-4-201676 | Penn Virginia Oil & Gas, L.P. only | Wildcat | Nueces | 1 | 0 | 0 | — |
| Theis Trust G-4-200321 | Peoples Energy Prod.-TX, L.P. only | Wildcat | Nueces | 1 | 0 | 0 | — |
| Los Ojuelos Mineral Trust GU G-4-200044 | LTS Oil & Gas A only | Wildcat | Webb | 1 | 0 | 0 | — |
| West State G-10-220706 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 86.8K | Nov 2005 – Apr 2024 |
| Carter Trust Unit G-13-252873 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 721K | Aug 2009 – Dec 2022 |
| Semmes Trust et al "906" G-4-199239 | Forest Oil Corporation only | Rincon (Vicksburg Cons.) | Starr | 1 | 0 | 1.33K | Dec 2003 – Jan 2004 |
| Cole Trust Four G-13-249259 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 3.52M | Jan 2009 – Aug 2026 |
| Bruni Mineral Trust "A" G-4-197719 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 0 | 24.2K | Sep 2003 – Jan 2005 |
| Bruni Mineral Trust Gas Unit G-4-197456 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 0 | 620K | Sep 2003 – Dec 2020 |
| Bruni Mineral Trust "D" G-4-196870 | Houston Exploration Company, The only | La Perla (Lobo Cons.) | Zapata | 1 | 0 | 0 | — |
| Semmes Trust , et al 906 G-4-196712 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon (93 Vicksburg 906) | Starr | 1 | 0 | 222K | Jan 2003 – Aug 2003 |
| Mann, E. E. Trust et Al G-4-196220 | EOG Resources, Inc. only | Los Mogotes (Lobo 1) | Zapata | 1 | 0 | 140K | Jun 2003 – Mar 2011 |
| Hein Trust D G-4-194468 | Conocophillips Company only | La Perla (Lobo Cons.) | Webb | 1 | 0 | 50.2K | Mar 2003 – Apr 2009 |
| Semmes Trust 906 G-4-193555 | Conocophillips Company only | Rincon (Vicksburg 80) | Starr | 1 | 0 | 0 | — |
| Scott Trust G-13-239675 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 621K | May 2008 – Nov 2023 |
| Lopez Mineral Trust G-4-187971 | EOG Resources, Inc. only | Dinn, Deep (Wilcox 14,900) | Duval | 1 | 0 | 24.4M | Feb 2002 – Sep 2007 |
| Longfellow 600 MD G-10-204971 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |
| Lopez Mineral Trust G-4-187079 | Newfield Exploration Company only | Dinn, Deep (11200) | Duval | 1 | 0 | 27.7K | Jun 2001 – Apr 2004 |
| Rose Children's Trust G-13-233063 | Formentera Operations LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 1.26M | Aug 2007 – Aug 2026 |
| Bruni Mineral Trust G-4-186861 | Calpine Natural Gas L.P. only | Wildcat | Zapata | 1 | 0 | 0 | — |