| West Ranch G-10-250919 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4.48K | 3.17M | Mar 2009 – Mar 2024 |
| Black Trust 49 G-14-290647 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 4.47K | 79.8K | Mar 2021 – May 2025 |
| Kincaid, A. R. Trust 'D' G-9-152100 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.44K | 282K | Dec 1994 – Aug 2026 |
| Frost Trust G-4-155104 | McRae & Henry, Ltd only | Shockacon (Wilcox 6700) | Webb | 1 | 4.44K | 687K | Jul 1995 – Jun 2006 |
| Kincaid, A. R. Trust "D" G-9-213319 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.42K | 359K | Sep 2005 – Aug 2026 |
| C-Bruni Mineral Trust G-4-155604 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 4.42K | 481K | Jul 1995 – Aug 2026 |
| Wylie Trust G-6-289946 | Buckhorn Operating LLC only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 4.38K | 773K | Feb 2020 – Aug 2026 |
| CNB Trustees 360 G-14-252497 | Highmark Energy Operating, LLC only | Lipscomb (Atoka) | Lipscomb | 1 | 4.38K | 1.29M | Jun 2009 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-165455 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.36K | 338K | Oct 1997 – Aug 2026 |
| Red Crest Trust G-2-165140 | First Rock, Inc. only | Roehl (Edwards) | De Witt | 1 | 4.35K | 751K | Aug 1997 – Dec 2006 |
| Frey Trust Gas Unit G-3-197611 | Neumin Production Company only | Hinkle (Cockfield 5800) | Harris | 1 | 4.33K | 516K | Aug 2003 – Feb 2005 |
| Riley Trust G-6-221171 | TGNR East Texas II LLC only | Waskom (Cotton Valley) | Harrison | 1 | 4.32K | 514K | May 2006 – Aug 2026 |
| West Ranch G-10-215373 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4.32K | 573K | Nov 2005 – Jan 2026 |
| Kincaid, A. R. Trust "B" G-9-164891 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.3K | 339K | Sep 1997 – Aug 2026 |
| C-Bruni Mineral Trust G-4-63691 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 4.3K | 803K | by Jan 1993 – Aug 2026 |
| Garza Zamora Energy Trust G-4-224080 | Merit Energy Company only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 4.3K | 430K | Nov 2006 – Aug 2012 |
| Begert Trust 32 G-14-254167 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 4.28K | 358K | Sep 2009 – Jul 2014 |
| Bruni Mineral Trust G-4-173048 | Hilcorp Energy Company only | Liz (9200) | Webb | 1 | 4.24K | 6.07M | May 1999 – Aug 2026 |
| Bruni Mineral Trust North TR "A" G-4-174751 | Lakeshore Operating, LLC only | Valley (Navarro) | Webb | 1 | 4.23K | 3.19M | Oct 1999 – Aug 2026 |
| Bailey, James Trustee G-3-158692 | Neg Operating LLC only | Paul (LW-13) | Colorado | 1 | 4.22K | 281K | May 1996 – Jul 2002 |
| Craft Trust G-13-132806 | G & F Oil, Inc. only | Gilley (Caddo Lime) | Jack | 1 | 4.22K | 174K | by Jan 1993 – Jul 2026 |
| Marshall Brothers Trust GU #1 G-3-211585 | Galloway Lone Star, L.L.C. only | Tomball, SE. (12,250) | Harris | 1 | 4.21K | 332K | Aug 2005 – Aug 2026 |
| Begert Trust 4 G-14-251737 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 4.2K | 340K | Feb 2009 – Aug 2026 |
| Henderson Trust G-9-144781 | Apache Corporation only | Howards Creek (Canyon) | Crockett | 1 | 4.2K | 491K | Mar 1993 – Aug 2026 |
| Kincaid, A. R. Trust 'C' G-9-179925 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.2K | 213K | Oct 2000 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-34348 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.19K | 293K | by Jan 1993 – Aug 2026 |
| Begert Trust 3 G-14-246503 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 4.18K | 686K | Nov 2008 – Aug 2026 |
| Yarbrough Trust G-5-179516 | Lodestone Operating, Inc. only | Oletha (Travis Peak) | Limestone | 1 | 4.17K | 2.6M | Oct 2000 – Aug 2026 |
| Rhodes Trust G-2-209648 | Falcon Production LLC only | Kawitt (Edwards) | Karnes | 1 | 4.16K | 1.5M | Oct 2004 – Aug 2011 |
| McCarthy Family Trust 97 G-3-218419 | Tempest Energy Resources, LP only | Seabreeze, N. (Nodosaria Taylor) | Chambers | 1 | 4.15K | 1.32M | May 2006 – Oct 2009 |
| Kincaid, A. R. Trust "D" G-9-225697 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.15K | 233K | Jan 2007 – Aug 2026 |
| Marshall Trusts G-4-148170 | Varas Energy Operating Company, only | Cuba Libre (Wilcox Cons.) | Webb | 1 | 4.13K | 457K | Jan 1994 – Oct 2014 |
| Kincaid, A. R. Trust "D" G-9-262953 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.1K | 378K | May 2008 – Aug 2026 |
| University #36-2 G-9-156553 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 4.08K | 569K | Sep 1995 – Jul 2002 |
| Wilson Trust G-3-202085 | Brigham Oil & Gas, L.P. only | Pheasant, South ( 9,200 Frio) | Matagorda | 1 | 4.07K | 189K | May 2004 – Apr 2005 |
| Kincaid, A. R. Trust "B" G-9-173463 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.05K | 315K | Jun 1999 – Aug 2026 |
| Boston Texas Land & Trust G-4-254692 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 4.04K | 357K | Jan 2010 – Sep 2021 |
| Kincaid, A. R. Trust "B" G-9-164851 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.04K | 407K | Sep 1997 – Aug 2026 |
| Nobles Charitable Trust G-13-209345 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 4.03K | 1.41M | Mar 2005 – May 2024 |
| Kincaid, A. R. Trust -D- G-9-50531 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.03K | 230K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust -D- G-9-50213 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 3.99K | 350K | by Jan 1993 – Aug 2026 |
| Yarbrough Trust G-5-184446 | Encrescent, LLC only | Oletha (Travis Peak) | Limestone | 1 | 3.98K | 2.24M | Aug 2001 – Aug 2026 |
| Bailey, James Trustee G-3-138329 | American Exploration Company only | Paul (LW-50) | Colorado | 1 | 3.97K | 164K | by Jan 1993 – Apr 1994 |
| Begert Trust 32 G-14-251478 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 3.97K | 351K | Mar 2008 – Aug 2026 |
| Kincaid, A. R. Trust "D" G-9-205919 | Chevron U. S. A. Inc. only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 3.97K | 490K | Jun 2004 – Jun 2014 |
| Kincaid, A.R. Trust 'D' G-9-149671 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 3.96K | 112K | May 1994 – Aug 2026 |
| McCarthy Family Trust 97 G-3-257295 | C & E Operating, Inc. only | Seabreeze (9700) | Chambers | 1 | 3.95K | 365K | Dec 2009 – Jul 2011 |
| Bego Trust G-2-162278 | Falcon Production LLC only | Kawitt (Edwards) | Karnes | 1 | 3.95K | 2.54M | Nov 1996 – Nov 2022 |
| University 36-3 G-9-264739 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 3.94K | 424K | Aug 2011 – Aug 2026 |
| Trust G-14-172171 | Unit Petroleum Company only | Sixty Six (Morrow, Upper) | Hemphill | 1 | 3.94K | 537K | Dec 1998 – Apr 2007 |