| Baker Trust O-10-38830 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 22.4K | 27.6K | May 2008 – Aug 2022 |
| Millhollen Trust "9" O-10-39375 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 22.4K | 22.6K | Feb 2009 – Jun 2022 |
| Saunders, G. H. Trust No. 5 O-14-7200 | Large Operating LLC only | Panhandle Gray County Field | Gray | 1 | 22.4K | 2.76K | May 1997 – Jul 2026 |
| Tyrrell, W. C. Trust G-10-155385 | Chevron U. S. A. Inc. only | Gomez, NW. (Wolfcamp) | Pecos | 1 | 22.3K | 848K | Jul 1995 – Aug 2026 |
| Boston Texas Land & Trust G-4-286359 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 22.3K | 2.13M | Apr 2019 – Aug 2026 |
| Field & Bowers "B" O-13-28458 | Bayer, Frances E. Rev Liv Trust only | Cooke County Regular | Cooke | 2 | 22.2K | 22 | by Jan 1993 – Jan 2016 |
| Bruni Mineral Trust G-4-183083 | Hilcorp Energy Company only | Liz (9200) | Webb | 1 | 22.2K | 2.69M | May 2001 – Aug 2026 |
| McCampbell Trust Gas Unit O-4-12816 | Esenjay Exploration, Inc only | Harvey, S. (Stark) | San Patricio | 1 | 22.2K | 20.4K | Mar 1998 – Dec 2001 |
| Flowers Trust "A" O-14-6329 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 22.1K | 1.19M | by Jan 1993 – Aug 2026 |
| C-Bruni Mineral Trust G-4-147615 | Hilcorp Energy Company only | La Perla (Lobo Cons.) | Webb | 1 | 22.1K | 7.67M | Nov 1993 – Aug 2026 |
| Moe, Barbara Trustee O-5-3433 | Kilmarnock Oil Company, Inc. only | Corsicana (Woodbine) | Navarro | 3 | 22.1K | 21 | by Jan 1993 – Sep 1998 |
| Kentucky Trust O-8-4733 | Harvick, George R. only | Throckmorton County Regular | Throckmorton | 1 | 22K | 134K | by Jan 1993 – Apr 2025 |
| University 32 G-9-163548 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 21.9K | 1.17M | Nov 1996 – Aug 2026 |
| Henderson Trust "NN" G-9-144200 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 21.9K | 890K | by Jan 1993 – Aug 2026 |
| Flowers Trust "A" G-14-254317 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 21.7K | 609K | Nov 2009 – Aug 2026 |
| Cole Trust Stony G-13-263966 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 21.7K | 2.05M | Aug 2011 – Aug 2026 |
| Schreiner Ranch Trust II G-2-234406 | Sandel Operating Company only | Oakville (Wilcox Cons.) | Live Oak | 1 | 21.7K | 566K | Apr 2008 – Aug 2026 |
| Walker Buckler Trust Tr. 20 O-8-18404 | Keating Energy, Inc. only | Gem, Northeast (Caddo) | Shackelford | 1 | 21.6K | 407K | by Jan 1993 – Aug 2026 |
| Laird, Mack Oil Unit #3 O-6-12365 | Long Trusts, The only | Wright Mountain (Pettit, Lower) | Smith | 1 | 21.6K | 21 | by Jan 1993 – Jul 2026 |
| Dusek, F. J. Trust G-4-173860 | Merit Energy Company only | Jeffress, NE. (T, Lo.-Fb,a) | Hidalgo | 1 | 21.6K | 1.36M | Jun 1999 – Aug 2026 |
| Treadwell Trust -19-A O-9-17128 | BRP Energy, LLC only | Fort McKavitt, N. (Canyon) | Schleicher | 1 | 21.5K | 131K | Apr 2010 – Jun 2026 |
| Boring, G W Trustee GU 6 (AW) G-13-300513 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 21.5K | 1.78M | Jun 2025 – Aug 2026 |
| Marshall Brothers Trust GU G-3-162216 | Galloway Lone Star, L.L.C. only | Tomball, SE. (11700) | Harris | 1 | 21.4K | 1.47M | Jan 1997 – Aug 2026 |
| Anderson Trust a Unit G-13-270698 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 21.3K | 807K | Nov 2010 – Aug 2026 |
| Tuttle Trust Gas Unit G-2-229494 | PA Prospect LLC only | Tom Long (Lower Wilcox) | Lavaca | 1 | 21.2K | 769K | Jul 2007 – Nov 2012 |
| Cloud O-13-8664 | Bunch Family Oil Trust only | Goree, S. (Tannehill) | Knox | 7 | 21.2K | 0 | Jul 2004 – Mar 2017 |
| Young Trust G-14-265606 | Mmgl Txph, LLC only | Allison Parks (Granite Wash) | Hemphill | 1 | 21.2K | 3.03M | Feb 2012 – Aug 2026 |
| Marston, Edgar J. Jr. Trust.-B- O-10-25355 | Nesitor West Texas LLC only | Rhoda Walker (Canyon 5900) | Ward | 2 | 21.1K | 95.3K | by Jan 1993 – Jul 2004 |
| Treadwell Trust -19- O-9-16979 | Boaz Energy II Operating, LLC only | Fort McKavitt, N. (Canyon) | Schleicher | 3 | 21.1K | 172K | Jul 2009 – Aug 2022 |
| James Trust G-1-279208 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 21K | 3.51M | Jun 2015 – Aug 2026 |
| Boston Texas Land & Trust G-4-237125 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 21K | 3.26M | Mar 2008 – Aug 2026 |
| Henderson Trust "NN" G-9-159757 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 21K | 555K | Aug 1996 – Aug 2026 |
| Halfmann Trust Unit O-10-41534 | Crescent Energy Operating, LLC only | Garden City, S. (Wolfcamp) | Glasscock | 1 | 20.8K | 215K | Feb 2011 – Feb 2021 |
| Amacker Trust 36 G-9-207336 | R2Q Operating LLC only | Tippett (Leonard, Lower) | Crockett | 1 | 20.8K | 314K | Oct 2004 – Aug 2026 |
| Trust Clifton Unit O-8-27663 | Van Operating, Ltd. only | Clifton (Miss.) | Shackelford | 1 | 20.8K | 45.5K | Jun 1995 – Jun 2001 |
| Black Trust 49 G-14-270376 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 20.8K | 4.88M | Jul 2013 – Aug 2026 |
| Mitchell State 10 G-9-169897 | BRP Energy, LLC only | Pakenham (Thrusted) | Terrell | 1 | 20.7K | 1.01M | May 1998 – Jul 2001 |
| Oldham Trust 26 O-10-47055 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 20.7K | 15.7K | Jan 2015 – Feb 2019 |
| Lane Trust -B- O-10-49971 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 2 | 20.7K | 73.1K | Apr 2018 – Jun 2026 |
| Boston Texas Land & Trust G-4-272981 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 20.7K | 1.67M | Jun 2014 – Feb 2022 |
| Boston Texas Land & Trust G-4-241531 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 20.4K | 2.09M | Jan 2008 – Aug 2026 |
| Seale, F. L., Trust O-8-10738 | CDJ Oil Company, LLC only | Callahan County Regular | Callahan | 14 | 20.4K | 142 | by Jan 1993 – Aug 2026 |
| Flowers Trust G-14-228145 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 20.3K | 1.35M | Mar 2007 – Aug 2026 |
| Susan Davis Trust O-13-26974 | Kathy Ann Oil Operations, LLC only | Young County Regular | Young | 2 | 20.2K | 21 | by Jan 1993 – Apr 2017 |
| JBG Childrens 1991 Trust "D" O-3-25109 | Iron Jaw Operating LLC only | Brookshire | Waller | 1 | 20.1K | 0 | Apr 2007 – Mar 2025 |
| Vollmert Trust SL G-14-246766 | Bracken Operating, L.L.C. only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 20K | 1.69M | Jan 2009 – Aug 2026 |
| Smith Trust O-6-15417 | Rose City Resources, LLC only | Whelan (Pettit) | Harrison | 1 | 19.9K | 0 | Dec 2014 – Aug 2026 |
| Flache Trust O-8-27773 | Bell, Johnny Inc. only | Truby (Palo Pinto) | Jones | 1 | 19.9K | 11.8K | Jan 1996 – Oct 2006 |
| Cowden Ranch -6- O-10-32583 | Rust Oil Corp. only | Cowden (Penn Detrital) | Ector | 1 | 19.8K | 21.6K | by Jan 1993 – Dec 2013 |
| Trainer Trust 16 O-10-38309 | Whiting Oil and Gas Corporation only | Athey (Wolfcamp 10900) | Pecos | 1 | 19.7K | 40.1K | Dec 2006 – Apr 2011 |