| Haynes Mineral Trust G-4-193849 | Hilcorp Energy Company only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 246 | 3.94M | Jan 2003 – Aug 2026 |
| Cole Trust Four G-13-249493 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 246 | 2.24M | Jan 2009 – Aug 2026 |
| Longfellow State "600" G-10-220459 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 246 | 1.11M | Jan 2006 – Aug 2026 |
| Longfellow G-10-190678 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 245 | 633K | Sep 2002 – Mar 2026 |
| West Ranch G-10-201767 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 244 | 773K | Mar 2004 – Aug 2026 |
| Benavides Trust G-4-251692 | Merit Energy Company only | Hundido (Lobo) | Zapata | 1 | 242 | 1.32M | Jan 2007 – Aug 2026 |
| Loving O-13-28497 | Brightman Family Trust only | Jack County Regular | Jack | 1 | 242 | 18 | Feb 1993 – Mar 1996 |
| Marrs McLean Trust G-4-150050 | Columbus Energy, LLC only | Thompsonville, NE. (12500 FB-C) | Jim Hogg | 1 | 242 | 12M | May 1994 – Aug 2026 |
| Boston Texas Land Trust #3 G-4-153802 | Legacy Corporation, The only | Amore (Vicksburg 5750) | Starr | 1 | 241 | 19.7K | Mar 1995 – Aug 1995 |
| West Ranch G-10-237081 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 240 | 6.67K | Dec 2007 – Oct 2024 |
| Longfellow State 600 G-10-248855 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 239 | 58.3K | Feb 2008 – Aug 2026 |
| Andrews, Selma E. O-11-64210 | Szymanski, Richard Alan Trust I only | Robertson, N. (Clear Fork 7100) | Gaines | 1 | 239 | 4 | Feb 1993 – Feb 1996 |
| West Ranch G-10-248756 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 236 | 3.24M | Dec 2008 – Apr 2024 |
| Trust "H. T. & B." Unit G-8-156260 | Van Operating, Ltd. only | Alongside (Miss.) | Shackelford | 1 | 236 | 185K | Oct 1995 – Mar 1998 |
| University "36" O-10-35433 | Rust Oil Corp. only | Three Bar (Devonian) | Andrews | 1 | 235 | 11K | Jun 1997 – Oct 1998 |
| Bruni Mineral Trust "A" G-4-80718 | Hilcorp Energy Company only | Juanita (Lobo) | Webb | 1 | 234 | 489K | by Jan 1993 – Jun 2012 |
| Longfellow G-10-188929 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 232 | 220K | Apr 2002 – Jul 2026 |
| Longfellow G-10-251418 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 231 | 4.51M | Aug 2007 – Apr 2026 |
| West Ranch G-10-259455 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 230 | 836K | Apr 2010 – Aug 2026 |
| Cameron Minerals Trust G-3-281155 | Garrison Operating, L.L.C. only | Glendale, East (Wilcox) | Trinity | 1 | 228 | 17.5K | Jun 2015 – Aug 2017 |
| Frederick -A- O-7-8436 | Long Trusts, The only | East Texas | Rusk | 6 | 227 | 9 | May 1993 – Jan 1994 |
| West Ranch G-10-227106 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 226 | 3.83M | Jan 2007 – Mar 2024 |
| West Ranch G-10-230388 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 226 | 3.21M | Mar 2007 – Mar 2026 |
| Camp Trust O-1-9345 | More Texas Oil only | C.J.P. (Reef) | Atascosa | 2 | 226 | 0 | Nov 1996 – Nov 2007 |
| West Ranch G-10-248449 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 225 | 1.22M | Dec 2008 – Apr 2024 |
| West Ranch G-10-196300 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 223 | 2.09M | May 2003 – Aug 2026 |
| West Ranch G-10-239862 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 220 | 478K | May 2008 – Aug 2026 |
| Henderson Trust "BB" G-9-142865 | Red Stag Operating, LLC only | Ozona, SW. (Strawn) | Crockett | 1 | 219 | 684K | by Jan 1993 – Aug 2026 |
| West Ranch G-10-171854 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 218 | 982K | Apr 1999 – Aug 2026 |
| Allison G-10-252125 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 218 | 675K | Feb 2009 – Apr 2024 |
| Longfellow G-10-252040 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 217 | 1.23M | Nov 2008 – Aug 2026 |
| Lopez, Lauro Mineral Trust G-4-174542 | Hilcorp Energy Company only | EN Seguido (Wilcox) | Zapata | 1 | 217 | 11.7M | Aug 1999 – May 2010 |
| Yarbrough Trust G-5-172824 | Lodestone Operating, Inc. only | Oletha (Travis Peak) | Limestone | 1 | 216 | 490K | Mar 1999 – Aug 2026 |
| Brooks G-8-148745 | Trust Oil Co. only | Akin (Lauderdale) | Stephens | 1 | 214 | 216K | Mar 1994 – May 2015 |
| Longfellow G-10-188447 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 213 | 381K | Feb 2002 – Aug 2026 |
| Longfellow G-10-236118 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 213 | 377K | Aug 2007 – Aug 2026 |
| Randee Fawcett Trust G-9-185309 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 212 | 233K | Jul 2001 – Jul 2026 |
| Benavides Mineral Trust G-4-147855 | EOG Resources, Inc. only | Lopeno, NE. (9400) | Zapata | 1 | 211 | 1.75M | Dec 1993 – Jun 1996 |
| West Ranch G-10-224602 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 211 | 3.36M | Aug 2006 – Mar 2024 |
| Maryland Trust Co. -A- O-4-7683 | Synergy Oil & Gas, Inc. (A) only | McCampbell (Q Sand) | San Patricio | 1 | 211 | 946 | Feb 1993 – Jan 1994 |
| VT James Trust 1355 G-4-205954 | Lewis Petro Properties, Inc. only | Tom Walsh (Olmos) | Webb | 1 | 210 | 229K | Nov 2004 – Aug 2026 |
| Lincecum, M. Trust G-5-216836 | Diversified Production LLC only | Bear Grass (Cotton Valley Cons) | Robertson | 1 | 210 | 274K | Apr 2005 – Nov 2014 |
| West Ranch G-10-243886 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 210 | 2.04M | Oct 2007 – Feb 2025 |
| Longfellow G-10-239852 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 208 | 723K | Apr 2008 – Jan 2024 |
| West Ranch G-10-223167 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 208 | 269K | Jun 2006 – Aug 2026 |
| West Ranch G-10-253745 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 207 | 1.29M | Aug 2009 – Apr 2024 |
| Dinn Mineral Trusts, The G-4-128993 | Cliffwood Production Co. only | Guerra (10900) | Webb | 1 | 206 | 1.77M | by Jan 1993 – Jan 2000 |
| Longfellow G-10-236243 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 206 | 1.11M | Sep 2007 – Feb 2025 |
| Reiffert Bros. Trust -D- G-2-141364 | Maguire Oil Company only | Reiffert (Wilccox 12,900) | De Witt | 1 | 205 | 2.69K | Feb 1993 – Jun 1995 |
| Bruni Mineral Trust North TR "A" G-4-171972 | Lakeshore Operating, LLC only | Valley (Navarro) | Webb | 1 | 205 | 1.86M | Dec 1998 – Sep 2023 |