| Allison G-10-215432 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 153 | 856K | Jan 2006 – Mar 2024 |
| Henderson Trust "BB" G-9-153688 | Red Stag Operating, LLC only | Ozona, SW. (Strawn) | Crockett | 1 | 152 | 716K | Feb 1995 – Aug 2026 |
| Longfellow State "C" G-10-229058 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 152 | 291K | Jun 2007 – Aug 2026 |
| West Ranch G-10-243255 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 150 | 427K | Aug 2008 – Apr 2024 |
| Henderson Trust X G-9-147205 | Bob Hughes Oil Company, LLC only | Ozona, SW. (Strawn) | Crockett | 1 | 150 | 827K | Oct 1993 – Jul 2026 |
| Allison G-10-263287 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 150 | 974K | May 2010 – Apr 2024 |
| Longfellow G-10-249916 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 150 | 4.32M | Jun 2008 – Apr 2024 |
| McClung, Anna 1 G-9-155631 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 150 | 71.6K | Mar 1995 – May 1998 |
| West Ranch G-10-205776 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 148 | 111K | Aug 2004 – Aug 2026 |
| West Ranch G-10-249804 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 147 | 389K | Feb 2008 – Apr 2024 |
| West Ranch G-10-256559 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 147 | 984K | Oct 2009 – Aug 2026 |
| VT James Trust 1355 G-4-203558 | Lewis Petro Properties, Inc. only | Tom Walsh (Olmos) | Webb | 1 | 147 | 221K | Aug 2004 – Aug 2026 |
| Doolin Trust G-13-184912 | WY Woodland Operating, LLC only | Jupiter (Conglomerate Lower) | Jack | 1 | 147 | 277K | Oct 2001 – Oct 2022 |
| West Ranch G-10-226683 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 147 | 499K | Dec 2006 – Aug 2026 |
| Cuellar Trust G-4-172933 | XTO Energy Inc. only | Las Lomas (Wilcox 7800) | Zapata | 1 | 146 | 1.56M | Apr 1999 – Jan 2008 |
| Randee Fawcett Trust G-9-260074 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 145 | 79.3K | Jul 2010 – Jul 2026 |
| West Ranch G-10-223109 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 145 | 3.81M | Apr 2006 – Feb 2024 |
| Silva-Coates Energy Trust G-4-141422 | Oryx Energy Company only | Kelsey, South (7410 Vicksburg) | Starr | 1 | 145 | 32.2K | by Jan 1993 – Mar 1995 |
| Henderson Trust O G-9-115545 | Apache Corporation only | Howards Creek (Penn.) | Crockett | 1 | 145 | 458K | by Jan 1993 – Aug 2006 |
| West Ranch G-10-216198 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 144 | 1.43M | Mar 2006 – Jul 2026 |
| West Ranch G-10-226694 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 144 | 3.24M | Dec 2006 – Feb 2024 |
| Harrison Trust #2 O-13-25726 | J.E.T. Oils only | Young County Regular | Young | 1 | 144 | 4 | by Jan 1993 – Jul 1993 |
| Stiles Trust G-6-245691 | Sojourner Drilling Corporation only | Clinton Lake (Cotton Valley) | Marion | 1 | 144 | 1.85K | Oct 2008 – Feb 2021 |
| El Peyote Mineral Trust G-4-136752 | Energy Development Corp. only | Loma Vieja (Wilcox) | Zapata | 1 | 144 | 2.13M | by Jan 1993 – May 1995 |
| Longfellow G-10-238322 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 142 | 743K | Jan 2008 – Jul 2026 |
| West Ranch G-10-238772 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 142 | 3.8M | Mar 2008 – Mar 2024 |
| Cartwright Trust G-2-174446 | C & E Operating, Inc. only | Berclair, E. (Frio Middle) | Goliad | 1 | 142 | 862K | Jul 1999 – Oct 2012 |
| Alliance Trust G-5-148810 | Devon Energy Production Co, L.P. only | Pokey (Travis Peak Lower) | Limestone | 1 | 142 | 535K | Feb 1994 – Sep 1998 |
| West Ranch South G-10-230391 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 142 | 1.44M | Jun 2007 – Aug 2026 |
| Alamo National Bank Trustee G-1-82923 | Liquid Petroleum Resources, Inc. only | Green Branch (Wilcox 2-D) | McMullen | 1 | 141 | 59.6K | May 1998 – Jan 2011 |
| Dickinson, Charles B. Trust G-4-132507 | Valence Operating Company only | Picoso (Carrizo 7800) | Webb | 1 | 140 | 31.4K | by Jan 1993 – Jul 2008 |
| Wood Family Memorial Trust G-2-198420 | M. J. G., Inc. only | Wood High (Elsie) | Victoria | 1 | 139 | 82.8K | May 2003 – Mar 2005 |
| Stewart Trust G-1-277202 | EOG Resources, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 139 | 5.58M | Nov 2014 – Aug 2026 |
| Allison G-10-237765 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 139 | 3.45M | Nov 2007 – Apr 2024 |
| Trustee #1 G-4-164993 | Star of Texas Energy Srvs, Inc. only | Amore (Vicksburg 5500) | Starr | 1 | 139 | 21.7K | Oct 1997 – Jan 1998 |
| Haynes Mineral Trust G-4-129190 | Hilcorp Energy Company only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 138 | 2.21M | by Jan 1993 – Jun 2015 |
| Randee Fawcett Trust G-9-216668 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 138 | 209K | Sep 2005 – Jul 2026 |
| Marrs McLean Trust G-4-195634 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 137 | 2.75M | Jun 2003 – Aug 2026 |
| West Ranch G-10-203855 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 137 | 328K | Mar 2004 – Aug 2026 |
| West Ranch G-10-240097 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 137 | 374K | May 2008 – Jun 2025 |
| West Ranch G-10-242443 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 137 | 383K | Aug 2008 – Dec 2025 |
| West Ranch G-10-239101 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 136 | 232K | Mar 2008 – Jul 2026 |
| Benavides Trust G-4-226978 | Merit Energy Company only | Hundido (Lobo) | Zapata | 1 | 136 | 568K | Apr 2007 – Aug 2026 |
| Parker Trust -20- O-10-27988 | Bellwether Exploration Company only | Monahans Draw (Canyon 8388) | Ector | 1 | 136 | 1.02K | by Jan 1993 – Nov 1993 |
| West Ranch G-10-234812 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 136 | 115K | Aug 2007 – Aug 2025 |
| Cuellar Trust GU G-4-122180 | Bordertown Energy Resources, LLC only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 136 | 928K | by Jan 1993 – Mar 2025 |
| McLean, Marrs Trust G-4-181431 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 136 | 5.83M | Feb 2001 – Aug 2026 |
| West Ranch G-10-244037 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 135 | 68.1K | Sep 2008 – Sep 2025 |
| Longfellow G-10-249753 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 134 | 521K | Jan 2008 – Aug 2026 |
| Clark Trustee O-3-13487 | Clipper Operating Co., Inc. only | Big Creek | Fort Bend | 2 | 134 | 25 | by Jan 1993 – Jan 1995 |