| Aldridge Trust Unit G-6-205646 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 1.08M | 8.95M | Sep 2004 – Nov 2020 |
| Mann Trust Unit G-6-199176 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 794K | 4.48M | Dec 2003 – Aug 2026 |
| Waller, C. J. Trust G-3-189033 | Hilcorp Energy Company only | Iowa Colony (9700 Vicksburg) | Brazoria | 1 | 611K | 10.5M | Apr 2002 – Feb 2013 |
| Bargmann Trust Unit B G-2-266766 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 586K | 2.74M | May 2012 – Aug 2026 |
| Bargmann Trust Unit B G-2-282423 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 559K | 2.4M | May 2017 – Aug 2026 |
| McFaddin Trust G-3-226691 | Square Mile Energy, L.L.C. only | Gum Island,n. (Hackberry 3-C) | Jefferson | 1 | 530K | 3.97M | Mar 2007 – Feb 2015 |
| Rancho Grande Trust Unit No. 1 G-2-294677 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 521K | 1.8M | Dec 2017 – Aug 2026 |
| Bargmann Trust Unit B G-2-282461 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 467K | 2.37M | May 2017 – Jul 2026 |
| Reed Trust 55-1-46 G-10-290565 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 451K | 1.31M | Jan 2015 – Aug 2026 |
| Wheat Trust 1-78 Lov Unit 1 G-10-289999 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 1 | 432K | 1.71M | Jun 2014 – Aug 2026 |
| Bargmann Trust Unit B G-2-282867 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 419K | 2.06M | May 2017 – Sep 2024 |
| Bargmann Trust Unit B G-2-282675 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 417K | 1.8M | May 2017 – Aug 2026 |
| Wheat Trust 1-78 Lov Unit 1 G-10-287525 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 1 | 408K | 1.53M | Jul 2014 – Aug 2026 |
| Wheat Trust 1-78 Lov Unit 2 G-10-289998 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 1 | 381K | 1.45M | May 2014 – Jun 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294463 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 364K | 1.76M | Dec 2017 – Aug 2026 |
| Bargmann Trust Unit B G-2-282894 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 360K | 1.58M | May 2017 – Aug 2026 |
| Wheat Trust 1-78 Lov Unit 2 G-10-287523 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 1 | 351K | 1.19M | May 2014 – Aug 2026 |
| Hamilton Trust A-405 G-2-277905 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 341K | 1.4M | May 2015 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294461 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 334K | 1.25M | Feb 2017 – Aug 2026 |
| Perryman Trust G-3-209600 | Ballard Exploration Company,inc. only | Fairchilds (Yegua Nod Mex 1 SD) | Liberty | 1 | 332K | 3.58M | Jan 2005 – Jul 2018 |
| Sieber Trust G-10-284379 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 327K | 2.05M | Feb 2018 – Aug 2026 |
| Wheat Minerals Trust G-6-207709 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 313K | 1.28M | Jan 2005 – Aug 2026 |
| Hamilton Trust Unit C G-2-272310 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 307K | 1.75M | Jan 2014 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 G-2-261448 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 305K | 910K | Jun 2010 – Aug 2014 |
| Boston Texas Land & Trust G-4-189963 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 303K | 9.05M | Jun 2002 – Nov 2015 |
| Haveman Trust 01 - H01 E G-2-292716 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 297K | 3.4M | May 2022 – Aug 2026 |
| Hamilton Trust A-405 G-2-270246 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 295K | 1.11M | Jul 2013 – May 2026 |
| Hamilton Trust A-405 G-2-259352 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 294K | 1.08M | Aug 2010 – Jan 2016 |
| Tubb Trust Unit G-6-255010 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 291K | 1.06M | Sep 2009 – Aug 2026 |
| Howell Realty Trust Unit G-6-245014 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 289K | 4.98M | Oct 2008 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294412 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 283K | 944K | Feb 2017 – Aug 2026 |
| RVW Trust Unit G-3-291723 | EOG Resources, Inc. only | Lomita (Wilcox 8200 Sd.) | Colorado | 1 | 282K | 6.98M | Feb 2021 – Aug 2026 |
| Hamilton Trust A-405 G-2-277912 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 278K | 1.19M | May 2015 – Jun 2026 |
| Hamilton Trust a 405 G-2-276972 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 276K | 1.13M | Nov 2014 – Aug 2026 |
| Haveman Trust 01 G-2-268234 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 276K | 1.72M | Mar 2012 – Feb 2023 |
| Nelson Trust G-3-152795 | TC Oil and Gas, LLC only | Lost Ranch (LY-4 Yegua) | Liberty | 1 | 274K | 1.43M | Dec 1994 – May 2007 |
| McFaddin Trust G-3-233985 | Square Mile Energy, L.L.C. only | Gum Island,n. (Hackberry 3-C) | Jefferson | 1 | 272K | 1.95M | Aug 2007 – Sep 2012 |
| Hamilton Trust A-405 G-2-277480 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 271K | 1.18M | May 2015 – Aug 2026 |
| Bargmann Trust Unit B G-2-282438 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 269K | 1.25M | May 2017 – Aug 2026 |
| Speary Family Trust Unit A G-2-268979 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 269K | 1.03M | Apr 2013 – Aug 2026 |
| Brown Trust G-1-291323 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 269K | 331K | Jun 2016 – Aug 2026 |
| Hamilton Trust A-405 G-2-277910 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 268K | 1.14M | May 2015 – Jun 2026 |
| Haveman Trust 01 - H01 D G-2-292696 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 263K | 3.15M | May 2022 – Aug 2026 |
| Maltsberger-DB Trust G-1-297318 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 262K | 1.07M | Oct 2018 – Aug 2026 |
| Guaranty Title & Trust G-4-186953 | Pine Island Operating, L.L.C. only | Corpus Christi, W (Consolidated) | Nueces | 1 | 259K | 5.78M | Oct 2001 – Aug 2026 |
| Boston Texas Land & Trust G-4-193892 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 258K | 7.97M | Mar 2003 – Aug 2026 |
| Howell Realty Trust Unit G-6-225033 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 254K | 4.69M | Nov 2006 – Jul 2017 |
| Hamilton Trust A-405 G-2-277479 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 250K | 1.08M | May 2015 – Jun 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294460 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 248K | 1.02M | Feb 2017 – Aug 2026 |
| Haveman Trust 01 G-2-289836 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 247K | 2.76M | Mar 2020 – Aug 2026 |