| Marwill, N. L. G-6-193350 | Long Trusts, The only | Oak Hill (Cotton Valley) | Rusk | 1 | 9.65K | 1.6M | Apr 2003 – Jul 2026 |
| Henderson Trust "NN" G-9-158869 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 9.64K | 530K | Jun 1995 – Aug 2026 |
| Tompkins Trust Gas Unit G-6-222710 | XTO Energy Inc. only | Beckville (Cotton Valley) | Panola | 1 | 9.59K | 869K | Sep 2006 – Aug 2026 |
| Guaranty Title & Trust G-4-132463 | Pine Island Operating, L.L.C. only | Saxet, Deep (7400) | Nueces | 1 | 9.49K | 401K | by Jan 1993 – Jan 2011 |
| Kincaid, A. R. Trust G-9-183051 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 9.47K | 255K | May 2001 – Aug 2026 |
| Tuttle Trust Gas Unit G-2-230402 | PA Prospect LLC only | Tom Long (Lower Wilcox) | Lavaca | 1 | 9.45K | 447K | Aug 2007 – Feb 2009 |
| Watkins Scholarship Trust G-6-231773 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 9.42K | 633K | Aug 2007 – Aug 2026 |
| Mitchell 4 G-9-166624 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 9.39K | 1.32M | Aug 1997 – Aug 2026 |
| USA Trust G-13-243927 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 9.38K | 1.04M | Apr 2009 – Aug 2026 |
| Kincaid, A.R. Trust 'D' G-9-147559 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 9.38K | 619K | Dec 1993 – Aug 2026 |
| West Ranch G-10-179748 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 9.33K | 9.19M | Oct 2000 – Jul 2026 |
| Legacy Trust A-170 G-2-221117 | Hunt Oil Company only | Giv'n Take (WX 12150 Sand) | Lavaca | 1 | 9.32K | 3.6M | Jun 2006 – Dec 2010 |
| Anderson Trust "A" G-5-184927 | Corsa Resources, LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 9.32K | 2.28M | Jul 2001 – Aug 2026 |
| Rust, L.G. G-6-123249 | Rock Bottom Oil, GP, L.L.C. only | Mound Prairie (Pettit) | Anderson | 1 | 9.28K | 684K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust G-9-142462 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 9.2K | 742K | by Jan 1993 – Aug 2026 |
| Smith Family Trust Gas Unit G-6-236057 | Tab Operating, Inc. only | Naconiche Creek (Rod.-TP Cons.) | Rusk | 1 | 9.16K | 773K | Feb 2008 – Jul 2026 |
| Longfellow G-10-104146 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 9.1K | 24.6M | by Jan 1993 – Apr 2024 |
| Henderson Trust "NN" G-9-154253 | Red Stag Operating, LLC only | Ozona, SW. (Strawn) | Crockett | 1 | 9.07K | 907K | Mar 1995 – Aug 2026 |
| Cole Trust Stony G-13-189109 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 9.06K | 569K | May 2002 – Aug 2026 |
| Begert Trust 6 G-14-246515 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 8.99K | 818K | Nov 2008 – Aug 2026 |
| Jones Trust 359 G-14-289746 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 8.96K | 75.4K | Mar 2020 – Aug 2026 |
| Anderson Trust Unit G-13-273312 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 8.95K | 547K | Nov 2010 – Aug 2026 |
| Kincaid, A. R. Trust G-9-153289 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 8.92K | 756K | Jan 1995 – Aug 2026 |
| Lopez Mineral Trust G.U. G-4-168453 | Devon Louisiana Corporation only | El Mesquitito (L 2-7) | Zapata | 1 | 8.9K | 797K | Mar 1998 – Jan 1999 |
| West Ranch G-10-143351 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 8.88K | 9.71M | Sep 1993 – Dec 2009 |
| Kincaid, A. R. Trust 'C' G-9-133056 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 8.86K | 428K | by Jan 1993 – Aug 2026 |
| C-Bruni Mineral Trust G-4-74664 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 8.77K | 1.52M | by Jan 1993 – Aug 2026 |
| Mitchell 3 G-9-194800 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 8.72K | 960K | Dec 2002 – Aug 2026 |
| Beggs, G. Trust G-6-245855 | Barrow-Shaver Resources Co. only | Overton (Cotton Valley Sand) | Rusk | 1 | 8.71K | 905K | Nov 2008 – Aug 2026 |
| Thagard, George F., et Al G-10-38576 | Thagard Trust only | Coyanosa (Devonian) | Pecos | 1 | 8.71K | 12.8M | by Jan 1993 – Mar 2026 |
| Kincaid, A. R. Trust "B" G-9-142946 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 8.69K | 591K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-147347 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 8.65K | 412K | Nov 1993 – Aug 2026 |
| Longfellow G-10-169410 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 8.6K | 5.81M | May 1998 – Mar 2024 |
| Marshall Brothers Trusts -C- GU G-3-129526 | Galloway Lone Star, L.L.C. only | Tomball, SE. (10650) | Harris | 1 | 8.57K | 413K | by Jan 1993 – Sep 2002 |
| Harris Trust G-6-206040 | TGNR East Texas II LLC only | Woodlawn (Cotton Valley) | Harrison | 1 | 8.5K | 677K | Sep 2004 – Aug 2019 |
| Broussard Trust G-3-162242 | Milestone Operating, Inc. only | Lovells Lake (Marg. 7500) | Jefferson | 1 | 8.5K | 965K | Feb 1997 – Aug 2026 |
| Tompkins Trust G-6-189191 | XTO Energy Inc. only | Beckville (Cotton Valley) | Panola | 1 | 8.41K | 760K | May 2002 – Aug 2026 |
| Smith Family Trust Gas Unit G-6-234504 | Tab Operating, Inc. only | Naconiche Creek (Rod.-TP Cons.) | Rusk | 1 | 8.41K | 696K | Nov 2007 – Jul 2026 |
| Pryor Trust "B" G-3-182408 | Ascent Operating, LP only | New Taiton (Cook Mtn.) | Wharton | 1 | 8.38K | 1.89M | Mar 2001 – Jan 2004 |
| Martin Trust C G-14-252779 | Presidio Petroleum LLC only | Clark Martin (Granite Wash) | Roberts | 1 | 8.38K | 483K | Aug 2008 – Aug 2026 |
| James Trust G-6-195764 | Armor Resources LLC only | Concord Dome (Rodessa) | Anderson | 1 | 8.34K | 197K | May 2003 – Jul 2016 |
| Kincaid, A.R. Trust 'D' G-9-146430 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 8.33K | 450K | Aug 1993 – Aug 2026 |
| Edwards, C.W. et al Trust "D" G-10-127733 | Chevron U. S. A. Inc. only | Janelle, SE. (Tubb) | Ward | 1 | 8.32K | 216K | by Jan 1993 – Jan 1996 |
| Kincaid, A.R. Trust "D" G-9-132960 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 8.31K | 952K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust G-9-87192 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 8.3K | 760K | by Jan 1993 – Aug 2026 |
| Miller Trust G-6-246167 | Sydri Operating, LLC only | Waterman (Travis Peak) | Nacogdoches | 1 | 8.28K | 2.4M | Feb 2009 – Aug 2026 |
| SMB Trust G-10-131506 | Apache Corporation only | Sweetie Peck (Wolfcamp, Lo.) | Midland | 1 | 8.17K | 157K | by Jan 1993 – Feb 2024 |
| Boring, George W. Trustee GU G-13-247554 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 8.14K | 1.09M | Aug 2008 – Aug 2026 |
| Fidelity Trust "21" G-10-188767 | Abraxas Petroleum Corporation only | Waha (Kinderhook) | Reeves | 1 | 8.13K | 4.92M | Dec 2001 – Aug 2026 |
| Flowers Trust G-14-255022 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 8.13K | 586K | Feb 2010 – Aug 2026 |