| Bargmann Trust Unit A O-2-9718 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 8 | 3.48M | 4.37M | Nov 2011 – Aug 2026 |
| Red Crest Trust Unit O-2-10384 | Repsol Oil & Gas USA, LLC only | Eagleville (Eagle Ford-2) | Karnes | 8 | 1.47M | 2.18M | Jul 2013 – Aug 2026 |
| Ruckman Trust Unit D O-2-9777 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 5 | 1.25M | 1.55M | Aug 2011 – Aug 2026 |
| Ruckman Trust Unit A O-2-9911 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 3 | 1.25M | 2.53M | Jul 2011 – Aug 2026 |
| Ruckman Trust Unit C O-2-9695 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 4 | 1.1M | 1.62M | May 2011 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 O-2-11207 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 12 | 998K | 3.57M | Sep 2014 – Aug 2026 |
| Carmody Trust "A" O-2-9622 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 8 | 692K | 1.01M | Jul 2011 – Aug 2026 |
| Bargmann Trust a Enervest JV A O-2-11369 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 1 | 680K | 1.12M | Oct 2017 – Jun 2026 |
| Ruckman Trust Unit B O-2-9693 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 2 | 639K | 1.2M | Mar 2011 – Jul 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294677 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 521K | 1.8M | Dec 2017 – Aug 2026 |
| Bargmann Trust a Enervest JV B O-2-11373 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 1 | 496K | 763K | Sep 2017 – Jul 2026 |
| Ruckman Trust Unit E O-2-9785 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 2 | 434K | 685K | Aug 2011 – Aug 2026 |
| Carmody Trust AC A O-2-12707 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 1 | 374K | 632K | Oct 2023 – Aug 2026 |
| Carmody Trust "B" O-2-9853 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 3 | 369K | 497K | Apr 2012 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294463 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 364K | 1.76M | Dec 2017 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294461 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 334K | 1.25M | Feb 2017 – Aug 2026 |
| Carmody Trust AC B O-2-12716 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 1 | 333K | 375K | Oct 2023 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 G-2-261448 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 305K | 910K | Jun 2010 – Aug 2014 |
| Haveman Trust 01 - H01 E G-2-292716 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 297K | 3.4M | May 2022 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294412 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 283K | 944K | Feb 2017 – Aug 2026 |
| Haveman Trust 01 G-2-268234 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 276K | 1.72M | Mar 2012 – Feb 2023 |
| Speary Family Trust Unit A G-2-268979 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 269K | 1.03M | Apr 2013 – Aug 2026 |
| Haveman Trust 01 - H01 D G-2-292696 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 263K | 3.15M | May 2022 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 G-2-294460 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 248K | 1.02M | Feb 2017 – Aug 2026 |
| Haveman Trust 01 G-2-289836 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 247K | 2.76M | Mar 2020 – Aug 2026 |
| 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 |
| Carmody Trust BD A O-2-12514 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 1 | 244K | 318K | Nov 2022 – Aug 2026 |
| 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 |
| 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 |
| Haveman Trust 01 G-2-288863 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 235K | 3.02M | Mar 2020 – Aug 2026 |
| Carmody Trust BD B O-2-12522 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 1 | 226K | 249K | Nov 2022 – 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 |
| Haveman Trust 01 G-2-289824 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 214K | 2.61M | Mar 2020 – Aug 2026 |
| Carmody Trust "D" O-2-9856 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 2 | 213K | 179K | Apr 2012 – Jun 2025 |
| Reiman Family Trust Unit A O-2-11360 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 213K | 821K | Jan 2016 – May 2022 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Slaughter-Rhodes Trust G-2-280732 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 152K | 1.62M | Mar 2016 – Aug 2026 |
| Eyhorn-Bego Trust (SA) G-2-276384 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 149K | 1.55M | Dec 2014 – Feb 2024 |
| Speary Family Trust Unit A G-2-277538 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 147K | 593K | Mar 2015 – Aug 2026 |
| Eyhorn-Bego Trust (SA) G-2-276733 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 139K | 1.57M | Nov 2014 – Aug 2026 |
| Ricks Living Trust GU2 G-2-294971 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 138K | 1.67M | Sep 2022 – May 2026 |
| Ricks Living Trust GU2 G-2-268702 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 134K | 1.71M | Aug 2012 – Aug 2026 |
| Kolo-Neller-Rhodes Trust (SA) B3 G-2-284344 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 132K | 1.95M | Feb 2018 – May 2026 |
| Regmund Family Trust Gas Unit 1 G-2-285836 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 129K | 4.1M | Apr 2015 – Aug 2026 |
| Neller-Rhodes Trust (SA) G-2-273126 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 126K | 1.49M | Sep 2013 – Aug 2026 |