| 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 |
| Iowa Realty Trust O-10-4716 | Molder, Tom only | Pecos Valley (High Gravity) | Pecos | 3 | 9.02K | 21 | by Jan 1993 – Apr 2013 |
| 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 |
| First National Trust O-14-4495 | Courson Oil & Gas, Inc. only | Ellis Ranch (Cleveland, UP) | Ochiltree | 2 | 8.95K | 229K | by Jan 1993 – Aug 2017 |
| Anderson Trust Unit G-13-273312 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 8.95K | 547K | Nov 2010 – Aug 2026 |
| Iowa Realty Trust 123 "B" O-10-23886 | Last Mile Production, LLC only | Brooklaw (Clear Fork, Lower) | Pecos | 2 | 8.94K | 3.81K | by Jan 1993 – Dec 2010 |
| 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 |
| Barcus, W. S. O-13-2207 | Bayer, Frances E. Rev Liv Trust only | Cooke County Regular | Cooke | 4 | 8.9K | 20 | by Jan 1993 – Jan 2016 |
| West Ranch G-10-143351 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 8.88K | 9.71M | Sep 1993 – Dec 2009 |
| Alliance Trust O-13-21612 | Gen-Sher L.L.P. only | Henrietta, SE. (Congl.) | Clay | 1 | 8.88K | 22 | by Jan 1993 – Jan 2016 |
| 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 |
| Rust Estate O-9-8225 | Pearl, Bill H. Productions, Inc. only | Bald Eagle (Ellen) | Tom Green | 1 | 8.75K | 340 | by Jan 1993 – Mar 1998 |
| Downie Ranch -6- O-10-39179 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 3 | 8.74K | 10.8K | May 2008 – 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 |
| Oldham Trust 27 O-10-45575 | Highpeak Energy Holdings, LLC only | Big Spring (Strawn) | Howard | 1 | 8.69K | 37.5K | May 2014 – Jan 2020 |
| Jones, Ray O-8-22735 | Trustar Operating Company Inc. only | Brown County Regular | Brown | 14 | 8.67K | 9.25K | by Jan 1993 – Sep 2019 |
| Wilson Trust O-3-22986 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou (Frio, First) | Brazoria | 1 | 8.65K | 0 | Jun 1996 – May 1997 |
| 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 |
| Worth O-13-3356 | Beisch, Rusty only | Jack County Regular | Jack | 27 | 8.65K | 106 | by Jan 1993 – May 2006 |
| Downie Ranch -5- O-10-39177 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 3 | 8.61K | 3.03K | May 2008 – May 2023 |
| Longfellow G-10-169410 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 8.6K | 5.81M | May 1998 – Mar 2024 |
| Andrews, Robert O. Trust O-13-24331 | Gerry-Mac Oil, Inc. only | Young County Regular | Young | 6 | 8.59K | 35 | by Jan 1993 – Aug 2026 |
| 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 |
| Midland National Bank Trustee O-10-23642 | Texas Investments only | Spraberry (Trend Area) | Glasscock | 1 | 8.56K | 845 | by Jan 1993 – Nov 2004 |
| Semmes Trust, et al "906" O-4-13069 | Conoco Inc. only | Rincon (90 Vicksburg 906-4) | Starr | 1 | 8.52K | 108K | Aug 2001 – Nov 2001 |
| 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 |
| Amacker-Trust 37 O-9-5728 | Apv McCamey LLC only | Tippett (Leonard, Lower) | Crockett | 1 | 8.48K | 123K | by Jan 1993 – Jan 2013 |
| 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 |
| Tompkins Trust G-6-189191 | XTO Energy Inc. only | Beckville (Cotton Valley) | Panola | 1 | 8.41K | 760K | May 2002 – Aug 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 |
| Wilson, John H. Trustee -D- O-10-25385 | Sanco Operating Company only | Rhoda Walker (Canyon 5900) | Ward | 5 | 8.38K | 1.39K | by Jan 1993 – Oct 2005 |
| Sackett, S. "A" O-8-15154 | Family Trust B, The only | Coleman County Regular | Coleman | 2 | 8.38K | 24.6K | by Jan 1993 – May 2017 |
| 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 |
| Ikard Trust O-13-31541 | Rogers Drilling Co., Inc. only | Archer County Regular | Archer | 1 | 8.23K | 0 | Jan 2010 – Oct 2017 |
| SMB Trust G-10-131506 | Apache Corporation only | Sweetie Peck (Wolfcamp, Lo.) | Midland | 1 | 8.17K | 157K | by Jan 1993 – Feb 2024 |
| Cowden "19" O-10-31579 | Rust Oil Corp. only | Cowden (Cisco) | Ector | 1 | 8.16K | 21 | by Jan 1993 – Feb 2019 |