| Marrs McLean Trust -C- G-4-155807 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 1.11K | 9.74M | Jun 1995 – Aug 2026 |
| McLean, Marrs, Trust -A- G-4-14629 | Columbus Energy, LLC only | Thompsonville, NE (Wilcox 9500) | Jim Hogg | 1 | 647 | 4.4M | by Jan 1993 – Aug 2026 |
| Marrs McLean Trust -A- G-4-211212 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 357 | 1.64M | Jun 2005 – Dec 2017 |
| Marrs McLean Trust -A- G-4-171363 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 348 | 7.91M | Sep 1998 – Aug 2026 |
| McLean, Marrs Trust G-4-182753 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 263 | 4.17M | May 2001 – Aug 2026 |
| Marrs McLean Trust G-4-184921 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 261 | 7.36M | Sep 2001 – Aug 2026 |
| Marrs McLean Trust G-4-150050 | Columbus Energy, LLC only | Thompsonville, NE. (12500 FB-C) | Jim Hogg | 1 | 242 | 12M | May 1994 – Aug 2026 |
| Marrs McLean Trust -A- G-4-191795 | Columbus Energy, LLC only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 196 | 5.4M | Nov 2002 – Aug 2026 |
| Marrs McLean Trust G-4-195634 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 137 | 2.75M | Jun 2003 – Aug 2026 |
| McLean, Marrs Trust G-4-181431 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 136 | 5.83M | Feb 2001 – Aug 2026 |
| Marrs McLean Trust G-4-163877 | Columbus Energy, LLC only | Thompsonville, NE. (12500 FB-C) | Jim Hogg | 1 | 125 | 10.3M | Jul 1997 – Jul 2022 |
| Marrs McLean Trust G-4-178020 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 125 | 5.36M | Jul 2000 – Aug 2026 |
| Marrs McLean Trust -A- G-4-230403 | Columbus Energy, LLC only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 115 | 821K | May 2006 – Apr 2017 |
| Holbein Trust G-4-176745 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 110 | 3.48M | Mar 2000 – Aug 2026 |
| Holbein Trust G-4-180049 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 101 | 267K | Nov 2000 – Jun 2016 |
| Marrs McLean Trust C G-4-245778 | Columbus Energy, LLC only | Thompsonville, NE. (11,300) | Jim Hogg | 1 | 61 | 202K | Nov 2008 – Aug 2026 |
| Marrs McLean Trust G-4-176678 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 45 | 2.35M | Apr 2000 – Feb 2016 |
| Marrs McLean Trust -C- G-4-210492 | BP America Production Company only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 36 | 14.2K | May 2005 – Apr 2006 |
| Marrs McLean Trust G-4-166952 | Columbus Energy, LLC only | Thompsonville, NE. (12500 FB-C) | Jim Hogg | 1 | 28 | 1.16M | Feb 1998 – Jun 2018 |
| Marrs McLean Trust G-4-177420 | Columbus Energy, LLC only | Thompsonville, NE. (12500 FB-C) | Jim Hogg | 1 | 19 | 2.32M | May 2000 – May 2014 |
| Marrs McLean Trust A G-4-290631 | Columbus Energy, LLC only | Thompsonville, NE (Wilcox 9500) | Jim Hogg | 1 | 0 | 0 | — |
| Holbein Trust G-4-243315 | Columbus Energy, LLC only | Thompsonville, NE (Wilcox 9500) | Jim Hogg | 1 | 0 | 0 | — |
| Gutierrez, Daniel et Al G-4-85962 | Coates Energy Trust only | El Peyote (1600) | Jim Hogg | 1 | 0 | 0 | — |
| Marrs McLean Trust -A G-4-175454 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 0 | 2.18M | Jan 2000 – Mar 2009 |
| McLean, Marrs Trust G-4-42233 | Vastar Resources, Inc. only | Thompsonville, NE. (10,000) | Jim Hogg | 1 | 0 | 0 | — |
| Marrs McLean Trust -C- G-4-155702 | Vastar Resources, Inc. only | Thompsonville, NE. (13700) | Jim Hogg | 1 | 0 | 7.02K | Apr 1995 – May 1995 |
| Silver Lake Ranches, Inc. G-4-10242 | Coates Energy Trust only | El Sordo (Pettus, Lower) | Jim Hogg | 1 | 0 | 0 | — |
| Holbein Trust G-4-177106 | BP America Production Company only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 0 | 0 | — |
| Marrs McLean Trust -A- G-4-225826 | BP America Production Company only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 0 | 23.2K | Feb 2007 – Apr 2007 |
| Marrs McLean Trust -A- G-4-226981 | BP America Production Company only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 0 | 0 | — |
| Marrs McLean Trust -A- G-4-228896 | BP America Production Company only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 0 | 4.01K | Feb 2006 – Feb 2006 |
| Gutierrez, Daniel O-4-9197 | Coates Energy Trust only | Wildcat | Jim Hogg | 1 | 0 | 0 | — |
| Marrs McLean Trust -C- G-4-151753 | Vastar Resources, Inc. only | Thompsonville, NE. (12500 FB-A) | Jim Hogg | 1 | 0 | 267K | Sep 1994 – Dec 1996 |
| Gutierrez, Daniel, et Al G-4-10222 | Coates Energy Trust only | El Peyote (3100) | Jim Hogg | 1 | 0 | 0 | — |
| Marrs McLean Trust -C- G-4-148843 | BP America Production Company only | Thompsonville, NE. (13700 FB-A) | Jim Hogg | 1 | 0 | 104K | Mar 1994 – Aug 1994 |
| Marrs McLean Trust G-4-134248 | Vastar Resources, Inc. only | Thompsonville, NE. (Wilcox 9900) | Jim Hogg | 1 | 0 | 0 | — |
| McLean, Marrs Trust "C" G-4-114468 | Vastar Resources, Inc. only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 0 | 0 | — |
| Marrs McLean Trust -A- G-4-181993 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 0 | 1.53M | Apr 2001 – Nov 2002 |