| Scurlock Trust "A" G-3-167413 | High Bluff Operating, LLC only | Clinton, N. (Yegua 8400) | Harris | 1 | 6.04K | 312K | Feb 1998 – Apr 2016 |
| Matthews Trust G-4-256683 | Republic Resources, LLC. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 6.03K | 307K | May 2010 – Jul 2012 |
| Kincaid, A. R. Trust "B" G-9-86513 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.03K | 639K | by Jan 1993 – Aug 2026 |
| Begert Trust 44 G-14-247894 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 6.01K | 505K | Jan 2009 – Aug 2026 |
| Kincaid, A. R. Trust G-9-86155 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.01K | 611K | by Jan 1993 – Aug 2026 |
| Frost Trust 47 G-4-185491 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 6K | 86.1K | Sep 2001 – Aug 2026 |
| C-Bruni Mineral Trust G-4-138312 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 5.97K | 643K | by Jan 1993 – Aug 2026 |
| Goff Mineral Trust G-2-184459 | Camoil, Inc. only | Goldenrod Creek (Goff) | Jackson | 1 | 5.96K | 949K | Aug 2001 – Jun 2005 |
| Frost Trust 15 G-4-185559 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 5.95K | 624K | Sep 2001 – Aug 2026 |
| Downie Ranch -6- G-10-129838 | Sandridge Expl. and Prod., LLC only | Thistle (Overthrust) | Pecos | 1 | 5.94K | 303K | by Jan 1993 – Nov 2014 |
| Kincaid, A. R. Trust 'C' G-9-50674 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.93K | 310K | by Jan 1993 – Aug 2026 |
| 6ENDERSON Trust "BB" G-9-241611 | Red Stag Operating, LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.92K | 170K | Aug 2008 – Aug 2026 |
| Cole Trust Stony G-13-188537 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 5.92K | 386K | Mar 2002 – Aug 2026 |
| Kincaid, A.R. Trust 'D' G-9-149669 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.92K | 466K | May 1994 – Aug 2026 |
| Marwill, N. L. G-6-207687 | Long Trusts, The only | Oak Hill (Cotton Valley) | Rusk | 1 | 5.9K | 766K | Feb 2005 – Jul 2026 |
| Bruni Mineral Trust G-4-135275 | Hilcorp Energy Company only | Liz (9200) | Webb | 1 | 5.88K | 2.33M | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust G-9-86363 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.86K | 690K | by Jan 1993 – Aug 2026 |
| Buckler, J. Trust G-8-187480 | Dale Operating Company only | Caddo (3440) | Stephens | 1 | 5.85K | 762K | Jan 2002 – Jan 2025 |
| West Ranch G-10-230587 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.82K | 731K | Aug 2007 – Aug 2026 |
| Stewart Trust 1523 G-4-273190 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 5.81K | 3.04M | Nov 2013 – Aug 2026 |
| Lyne Trust G-2-168311 | Edge Petroleum Oper. Co., Inc. only | Max, W. (Hockley 4300) | Live Oak | 1 | 5.77K | 189K | Dec 1997 – Nov 1999 |
| West Ranch G-10-200347 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.76K | 996K | Feb 2004 – Aug 2026 |
| Kincaid, A. R. Trust -D- G-9-50242 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.69K | 387K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust G-9-34890 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.65K | 363K | by Jan 1993 – Aug 2026 |
| West Ranch G-10-230315 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.63K | 1.88M | Sep 2007 – Mar 2026 |
| Mitchell 8 G-9-198792 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 5.62K | 1.6M | Jul 2003 – Aug 2026 |
| Begert Trust 44 G-14-247224 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 5.55K | 441K | Dec 2008 – Aug 2026 |
| Danville Gas Unit G-6-127812 | Long Trusts, The only | Danville (TP-CV Cons.) | Gregg | 1 | 5.55K | 217K | by Jan 1993 – Dec 2000 |
| Flowers Trust "A" G-14-82359 | Blackbeard Operating, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 5.54K | 292K | by Jan 1993 – Jun 2010 |
| Fleetwood Trust 16 G-14-228649 | Mmgl Txph, LLC only | West Park (Granite Wash) | Wheeler | 1 | 5.51K | 422K | May 2007 – Aug 2026 |
| University 36-3 G-9-156557 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 5.47K | 304K | Aug 1995 – Aug 2026 |
| West Ranch G-10-248751 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.44K | 611K | Feb 2008 – Jan 2026 |
| Kincaid, A. R. Trust "B" G-9-118076 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.44K | 486K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust G-9-48037 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.42K | 444K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust 'D' G-9-144125 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 5.42K | 1.34M | by Jan 1993 – Jan 2001 |
| Kincaid, A. R. Trust G-9-179799 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.4K | 572K | Aug 2000 – Dec 2024 |
| Thompson Trustee Unit G-3-110273 | Hilcorp Energy Company only | Hitchcock, NE. (Frio 9100) | Galveston | 1 | 5.39K | 183K | by Jan 1993 – Apr 1995 |
| Kincaid, A. R. Trust "B" G-9-146068 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.39K | 315K | Jul 1993 – Aug 2026 |
| Cameron Minerals Trust G-3-227980 | Garrison Operating, L.L.C. only | Glendale (Woodbine 9900) | Trinity | 1 | 5.38K | 688K | Jun 2007 – Apr 2012 |
| Begert Trust 4 G-14-251019 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 5.38K | 476K | Mar 2009 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-50465 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.36K | 478K | by Jan 1993 – Aug 2026 |
| Flowers Trust "B" G-14-174566 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 5.34K | 703K | Jul 1999 – Aug 2026 |
| West Ranch G-10-237763 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.31K | 354K | Oct 2007 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-118519 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.3K | 567K | by Jan 1993 – Aug 2026 |
| West Ranch G-10-224639 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.3K | 1.15M | Oct 2006 – Jan 2026 |
| Bruni Mineral Trust "B" G-4-209818 | Hilcorp Energy Company only | Hubberd (Lobo) | Webb | 1 | 5.3K | 2.16M | Mar 2005 – Aug 2026 |
| Kincaid, A. R. Trust "D" G-9-81005 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.29K | 555K | by Jan 1993 – Aug 2026 |
| Guerra Mineral Trust G-4-218315 | Mortimer Production Company only | T Patch (Reklaw Oso) | Starr | 1 | 5.24K | 703K | Mar 2006 – Apr 2021 |
| Buckler Trust G-8-137863 | Karper Oil & Gas Corporation only | Walker-Davis (Duffer Lime) | Stephens | 1 | 5.24K | 217K | by Jan 1993 – Apr 2009 |
| West Ranch G-10-239346 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.19K | 1.22M | Mar 2008 – Apr 2024 |