| Newman Brown Trust Unit G-1-298242 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 113K | 288K | Jun 2023 – Aug 2026 |
| R P Jones Trust 189 G-14-277152 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 113K | 862K | Apr 2013 – Aug 2026 |
| Holdsworth Nelson Trust Zav O-1-16889 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 113K | 89.8K | May 2013 – Aug 2026 |
| Brown-Trusts G-1-278605 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 113K | 2.68M | Dec 2015 – Aug 2026 |
| Cowden Ranch "56" O-10-35598 | Rust Oil Corp. only | Cowden (Cisco) | Ector | 3 | 112K | 321K | Nov 1997 – Jul 2000 |
| Bouldin Trust-Tinsley O-1-18000 | Auterra Operating, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 112K | 64.3K | Dec 2013 – Aug 2026 |
| Boston Texas Land & Trust G-4-214125 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 112K | 4.14M | Nov 2005 – Aug 2026 |
| Guitar Trust Estate -D- O-10-8858 | Americo Energy Resources, LLC only | Varel (San Andres) | Howard | 16 | 112K | 32 | by Jan 1993 – Aug 2026 |
| Brown-Trusts G-1-271183 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 112K | 2.06M | Jul 2013 – Aug 2026 |
| Amacker Trust 18 O-9-5894 | R2Q Operating LLC only | Tippett (Leonard, Lower) | Crockett | 2 | 112K | 415K | by Jan 1993 – Aug 2026 |
| Security Bank & Trust Co. O-3-2610 | McGowan Working Partners, Inc. only | Lane City | Wharton | 5 | 111K | 53.5K | by Jan 1993 – Jan 2015 |
| Broussard Trust O-3-9044 | Milestone Operating, Inc. only | Lovells Lake (Frio 1) | Jefferson | 5 | 110K | 127K | Jul 2001 – Jun 2022 |
| Schulz Trust 01 G-2-269686 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 110K | 1.15M | Mar 2013 – Aug 2026 |
| Kolo-Neller-Rhodes Trust G-2-280936 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 110K | 1.25M | Jun 2016 – Aug 2026 |
| Boston Texas Land & Trust G-4-205913 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 110K | 2.82M | Sep 2004 – Aug 2026 |
| Semmes Trust, et al "906" O-4-13136 | Hilcorp Energy Company only | Rincon (Vicksburg 80) | Starr | 2 | 109K | 125K | Dec 2002 – Jan 2004 |
| Brown-Trusts G-1-257681 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 108K | 2.28M | May 2010 – Aug 2026 |
| Schreiner Ranch Trust II G-2-142817 | Forney Oil Corporation only | Limes (Wilcox F-1) | Live Oak | 1 | 108K | 3.37M | by Jan 1993 – Oct 1995 |
| University 36-3 G-9-169854 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 106K | 7.77M | May 1998 – Aug 2026 |
| Colter Trust G-9-180829 | BCP Resources, LLC only | Bloxom (Devonian) | Upton | 1 | 106K | 2.13M | Dec 2000 – Jun 2026 |
| Davis-McCrary Property Trust O-1-15414 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 106K | 60.4K | Apr 2011 – Jun 2025 |
| Alliance Trust Unit O-5-3471 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-5) | Robertson | 1 | 106K | 44.9K | Nov 1993 – Aug 1994 |
| Mitchell-State 10 G-9-152116 | BRP Energy, LLC only | Pakenham (Thrusted) | Terrell | 1 | 105K | 5.26M | Nov 1994 – Jul 2024 |
| Newman Brown Trust Unit G-1-298216 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 105K | 266K | Jun 2023 – Aug 2026 |
| Hooker Trust O-8-25114 | Sojourner Drilling Corporation only | Noodle-Central | Jones | 3 | 105K | 33.7K | by Jan 1993 – Jul 2026 |
| Douglas Mineral Trust -K- O-13-15324 | R2Q Operating LLC only | Cash (Strawn 3820) | Wichita | 6 | 105K | 46 | by Jan 1993 – Aug 2026 |
| Brown-Trusts G-1-255434 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 105K | 3.53M | Mar 2009 – Aug 2026 |
| RP Jones Trust 189 O-14-9069 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 105K | 451K | Oct 2012 – May 2026 |
| Norris O-6-12745 | Long Trusts, The only | R.C.R. (Pettit -A-) | Gregg | 2 | 104K | 174K | by Jan 1993 – Jul 2026 |
| Jones Trust G-14-276533 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 104K | 577K | Oct 2014 – Aug 2026 |
| Reiman Family Trust Unit A O-2-10143 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 1 | 104K | 313K | Sep 2011 – Nov 2015 |
| Boston Texas Land & Trust G-4-61012 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 104K | 5.03M | by Jan 1993 – Aug 2026 |
| Hamilton Trust Unit D G-2-270249 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 103K | 630K | Jul 2013 – Jul 2026 |
| Quintanilla, Leo Trustee O-1-13970 | Awp Operating Company only | A.W.P. (Olmos) | McMullen | 2 | 103K | 9.07K | Apr 1995 – Jul 2026 |
| Douglas Mineral Trust O-13-22807 | R2Q Operating LLC only | Cash (Strawn 3820) | Wichita | 2 | 102K | 21 | by Jan 1993 – Aug 2026 |
| Maltsberger-DB Trust G-1-297307 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 100K | 511K | Apr 2021 – Aug 2026 |
| McClung, Anna 1 G-9-152491 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 100K | 6.82M | Nov 1994 – Aug 2026 |
| Kiser Trust 46 O-10-40149 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 1 | 99.6K | 173K | May 2010 – Dec 2025 |
| Baker Family Trust G-2-245465 | Burlington Resources O & G Co LP only | Sugarkane (Austin Chalk) | Live Oak | 1 | 98.6K | 1.07M | Apr 2008 – Dec 2019 |
| Blackwell Trust Gas Unit G-2-217905 | Mosley Oil &gas Inc only | Friar Ranch, S. (Consolidated) | De Witt | 1 | 98.6K | 2.58M | Nov 2005 – Mar 2019 |
| Howard Trust O-11-68161 | QP, Inc. only | Condor (Abo Detrital) | Hockley | 1 | 98.2K | 95.7K | Dec 1999 – Apr 2015 |
| Downie Ranch O-10-39178 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 7 | 97.2K | 27.9K | May 2008 – Aug 2026 |
| Black Trust 49 O-14-8647 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 2 | 96.9K | 1.28M | May 2011 – Feb 2021 |
| Cook-Manford Trust O-1-17804 | Auterra Operating, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 96.8K | 42.5K | Nov 2013 – Nov 2025 |
| Phillips Trust 19 O-10-44937 | New Height Energy, LLC only | Spraberry (Trend Area) | Howard | 2 | 96.7K | 371K | Apr 2014 – Jun 2026 |
| Wilson Trust "145" O-10-38569 | Callon Petroleum Operating Co only | War-Wink, W. (Wolfcamp) | Ward | 2 | 96.3K | 91.5K | Aug 2007 – Jul 2020 |
| Broughton Trust 43 O-10-44045 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 4 | 95.2K | 558K | Apr 2013 – Aug 2026 |
| Cowden Ranch 656 (Cisco)unit O-10-36439 | Rust Oil Corp. only | Cowden (Cisco) | Ector | 5 | 94.1K | 301K | Sep 2000 – Jul 2018 |
| Cowden Ranch '9' O-10-47568 | Rust Oil Corp. only | Cowden (Cisco) | Ector | 2 | 93.8K | 0 | Dec 2014 – Aug 2026 |
| Kolo-Neller-Rhodes Trust G-2-280934 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 93.4K | 950K | Jun 2016 – Sep 2024 |