| Haveman Trust 01 - H01 C G-2-292717 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 244K | 2.89M | May 2022 – Aug 2026 |
| Boston Texas Land & Trust G-4-192177 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 241K | 5.91M | Dec 2002 – Aug 2012 |
| Rancho Grande Trust-Kowalik SA G-2-295047 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 238K | 1.03M | Jun 2023 – Aug 2026 |
| Hamilton Trust Unit C G-2-270903 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 238K | 1.46M | Jan 2014 – Aug 2026 |
| Eyhorn-Bego Trust (SA) G-2-272590 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 236K | 2.23M | Feb 2014 – Aug 2026 |
| Boyd Family Trust 01 G-2-270126 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 236K | 1.93M | Apr 2013 – Aug 2026 |
| Haveman Trust 01 G-2-288863 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 235K | 3.02M | Mar 2020 – Aug 2026 |
| Baker Family Trust G-2-288729 | Burlington Resources O & G Co LP only | Sugarkane (Austin Chalk) | Live Oak | 1 | 233K | 2.31M | Mar 2020 – Aug 2026 |
| Boyd Family Trust 01 G-2-264351 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 232K | 1.68M | Jun 2011 – Aug 2026 |
| Baker Family Trust G-2-288887 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 228K | 2.09M | Mar 2020 – Aug 2026 |
| Haveman Trust 01 G-2-271495 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 219K | 1.63M | Oct 2013 – Aug 2026 |
| Brown-Trusts G-1-277931 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 216K | 3.74M | Dec 2015 – Aug 2026 |
| Haveman Trust 01 G-2-289824 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 214K | 2.61M | Mar 2020 – Aug 2026 |
| Brown Trust G-1-291303 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 213K | 327K | Feb 2020 – Aug 2026 |
| Boston Texas Land & Trust G-4-191126 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 212K | 7.91M | Sep 2002 – Aug 2026 |
| Newman Brown Trust A G-1-298302 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 212K | 428K | Jun 2023 – Aug 2026 |
| Wheat Trust 1-73 Lov Unit 1 G-10-287559 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 1 | 211K | 606K | Oct 2014 – Jan 2026 |
| Boyd Family Trust 01 G-2-270127 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 205K | 1.71M | Apr 2013 – Jul 2026 |
| Brown Trust G-1-291262 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 201K | 316K | Jun 2019 – Aug 2026 |
| Brown Trust G-1-291302 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 200K | 317K | Feb 2020 – Aug 2026 |
| Speary Family Trust Unit A G-2-277728 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 199K | 1.05M | Mar 2015 – Aug 2026 |
| Humphreys Trust G-14-291308 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 198K | 5.06M | Feb 2015 – Aug 2026 |
| Baker Family Trust G-2-288785 | Burlington Resources O & G Co LP only | Sugarkane (Austin Chalk) | Live Oak | 1 | 197K | 2.6M | Mar 2020 – Aug 2026 |
| Brown Trust G-1-291263 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 197K | 304K | Jun 2019 – Aug 2026 |
| Boyd Family Trust 01 G-2-269407 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 197K | 1.65M | Apr 2013 – Aug 2026 |
| Baker Family Trust G-2-271610 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 192K | 3.08M | Dec 2013 – Dec 2024 |
| Speary Family Trust Unit A G-2-277540 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 192K | 1.16M | Mar 2015 – Aug 2026 |
| Talbutt Trust C G-1-290893 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 191K | 1.11M | Jun 2014 – Aug 2026 |
| Boston Texas Land & Trust G-4-202736 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 190K | 6.31M | Jun 2004 – Aug 2026 |
| Hamilton Trust Unit C G-2-261182 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 190K | 1.18M | May 2011 – Aug 2026 |
| Boston Texas Land & Trust G-4-176539 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 190K | 5.09M | Jan 2000 – Aug 2026 |
| Brown Trust G-1-291297 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 189K | 274K | Feb 2020 – Aug 2026 |
| Hamilton Trust Unit B G-2-260706 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 189K | 1.01M | Oct 2010 – Aug 2026 |
| Baker Family Trust G-2-255736 | Burlington Resources O & G Co LP only | Sugarkane (Austin Chalk) | Live Oak | 1 | 188K | 1.63M | Sep 2009 – Apr 2019 |
| Newman Brown Trust Unit G-1-298243 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 185K | 355K | Jun 2023 – Aug 2026 |
| Kolo-Neller_rhodes Trust (SA) B2 G-2-284426 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 184K | 2.48M | Feb 2018 – Jul 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294411 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 183K | 818K | Feb 2017 – Aug 2026 |
| Brown-Trusts G-1-277882 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 183K | 3.08M | Dec 2015 – Aug 2026 |
| Maltsberger-DB Trust Allo A G-1-297256 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 179K | 1.1M | Mar 2021 – Aug 2026 |
| Eyhorn-Bego Trust (SA) G-2-276944 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 175K | 1.92M | Nov 2014 – Aug 2026 |
| Hamilton Trust Unit C G-2-270930 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 174K | 1.03M | Jan 2014 – Apr 2026 |
| Brown-Trusts G-1-277881 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 172K | 3.14M | Dec 2015 – Aug 2026 |
| Lasca Butler Searcy Trust G-2-254301 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 169K | 672K | May 2009 – Mar 2017 |
| Baker Family Trust G-2-288830 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 169K | 1.91M | Mar 2020 – Aug 2026 |
| Hamilton Trust Unit D G-2-276976 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 167K | 1.25M | Nov 2014 – Aug 2026 |
| Maltsberger-DB Trust Allo G-1-297319 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 158K | 744K | Nov 2020 – Aug 2026 |
| McFaddin Trust G-3-216508 | Square Mile Energy, L.L.C. only | Gum Island,n. (Hackberry 3-C) | Jefferson | 1 | 156K | 1.63M | Mar 2006 – Aug 2007 |
| Brown-Trusts 3H G-1-258271 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 155K | 6.04M | Oct 2010 – Apr 2026 |
| Speary Family Trust Unit A G-2-277547 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 153K | 607K | Mar 2015 – Aug 2026 |
| Boston Texas Land & Trust G-4-190253 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 153K | 4.05M | Aug 2002 – Sep 2025 |