| Henderson, Catherine "a" Unit G-3-260045 | Western Energy Group, LLC only | Willis Marsh (13200) | Liberty | 1 | 519K | 9.36M | Sep 2010 – Dec 2019 |
| Catherine Henderson "a" Unit G-3-242695 | Titus Liberty Multi Well 2, LLC only | Willis Marsh (13200) | Liberty | 1 | 449K | 11.6M | Jun 2008 – Oct 2023 |
| Willis Unit G-2-291249 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | De Witt | 1 | 260K | 818K | Apr 2016 – Aug 2026 |
| Willis, Luther 9 G-14-272255 | Mmgl Txph, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 235K | 1.16M | Nov 2012 – Aug 2026 |
| Willis Unit G-2-291221 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 223K | 690K | Apr 2014 – Sep 2023 |
| Henderson, Catherine -a- Unit G-3-203285 | Amrwr, LLC only | Willis Marsh (11,900 Yegua) | Liberty | 1 | 197K | 2.63M | Aug 2004 – Oct 2010 |
| Willis Ranch G-3-263577 | Costa Energy, LLC only | Cottonwood, N. (14,270) | Liberty | 1 | 188K | 12.8M | Sep 2011 – Oct 2020 |
| Henderson, Catherine -a- Unit G-3-200478 | Western Energy Group, LLC only | Willis Marsh (11,900 Yegua) | Liberty | 1 | 188K | 1.85M | Dec 2003 – Nov 2007 |
| Willis Unit G-2-291222 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 180K | 772K | Apr 2016 – Aug 2026 |
| Willis Estate G-3-202098 | Urban Oil & Gas Group, LLC only | Felicia (Yegua) | Liberty | 1 | 172K | 4.68M | Apr 2004 – Aug 2021 |
| Willis Unit G-2-291248 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 143K | 613K | Apr 2016 – Aug 2026 |
| Willis Estate G-3-204035 | Urban Oil & Gas Group, LLC only | Felicia (Yegua) | Liberty | 1 | 142K | 4.04M | Aug 2004 – Apr 2016 |
| Liberty Farms Unit G-3-204054 | Amrwr, LLC only | Willis Marsh (13200) | Liberty | 1 | 120K | 2.72M | Jun 2004 – Apr 2006 |
| Luther Willis 9 G-14-272245 | Mmgl Txph, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 118K | 771K | Aug 2013 – Aug 2026 |
| Henderson Ranch G-3-258027 | Avalanche Oil & Gas LLC only | Willis Marsh (13200) | Liberty | 1 | 115K | 1.88M | Jul 2010 – Mar 2026 |
| Luther Willis G-14-264930 | Presidio Petroleum LLC only | Wheeler N.E. (Granite Wash) | Wheeler | 1 | 111K | 4.44M | Aug 2011 – Aug 2026 |
| Henderson, Catherine -a- Unit G-3-213204 | Sideline Oil & Gas, L.P. only | Willis Marsh (11,900 Yegua) | Liberty | 1 | 110K | 1.45M | Nov 2005 – Feb 2020 |
| Luther Willis SL G-14-256457 | Presidio Petroleum LLC only | Wheeler N.E. (Granite Wash) | Wheeler | 1 | 109K | 2.67M | Nov 2009 – Aug 2011 |
| Henderson, Catherine -B- G-3-198256 | Titus Liberty Multi Well 2, LLC only | Willis Marsh (11,900 Yegua) | Liberty | 1 | 104K | 2.52M | Sep 2003 – Dec 2019 |
| Luther Willis G-14-264929 | Presidio Petroleum LLC only | Wheeler N.E. (Granite Wash) | Wheeler | 1 | 95.1K | 3.91M | Aug 2011 – Aug 2026 |
| Liberty Farms Unit G-3-215907 | Amrwr, LLC only | Willis Marsh (13200) | Liberty | 1 | 92.2K | 2.14M | Jan 2006 – Dec 2013 |
| Willis Estate G-3-202957 | Urban Oil & Gas Group, LLC only | Felicia (Yegua) | Liberty | 1 | 90K | 2.54M | May 2004 – Nov 2020 |
| Henderson, Catherine -C- G-3-201186 | Western Energy Group, LLC only | Willis Marsh (11,900 Yegua) | Liberty | 1 | 87.2K | 1.66M | Apr 2004 – May 2017 |
| Price, Willis D. G-14-267668 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 85K | 719K | Apr 2012 – Aug 2026 |
| Price, Willis D G-14-281303 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 81.8K | 457K | May 2016 – Aug 2026 |
| Willis Unit G-2-294028 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Gonzales | 1 | 81.6K | 309K | Dec 2022 – Aug 2026 |
| Price, Willis D. G-14-281205 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 78.6K | 1.3M | Oct 2015 – Aug 2026 |
| Doc G-3-210190 | Western Energy Group, LLC only | Willis Marsh (13200) | Liberty | 1 | 71.5K | 1.85M | Jun 2005 – Mar 2010 |
| Luther Willis SL G-14-256459 | Presidio Petroleum LLC only | Wheeler N.E. (Granite Wash) | Wheeler | 1 | 70.4K | 2.93M | Mar 2010 – Aug 2011 |
| Willis Estate G-3-241263 | Wagner Oil Company only | Felicia (Yegua) | Liberty | 1 | 67.2K | 2.22M | Nov 2007 – Jul 2014 |
| Price, Willis D G-14-283265 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 65.3K | 565K | Feb 2017 – Aug 2026 |
| Price, Willis D G-14-283373 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 60.4K | 861K | Feb 2017 – Aug 2026 |
| Henderson, Catherine "a" Unit G-3-256753 | Crimson Exploration Oper., Inc. only | Willis Marsh (13200) | Liberty | 1 | 57.6K | 1.19M | Jun 2010 – Mar 2012 |
| Willis Estate G-3-203704 | Apache Corporation only | Felicia (Yegua) | Liberty | 1 | 56.4K | 1.22M | Jul 2004 – Jan 2007 |
| Price, Willis D. G-14-281304 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 55.2K | 738K | Sep 2015 – Aug 2026 |
| Price, Willis D. G-14-265459 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 54.8K | 646K | Jan 2011 – Nov 2017 |
| Price, Willis D G-14-280971 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 45.8K | 1.24M | Jul 2015 – Aug 2026 |
| Price, Willis D G-14-280970 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 42.4K | 973K | Jul 2015 – Aug 2026 |
| Henderson, Catherine 'a' Unit G-3-271204 | Titus Liberty Multi Well 2, LLC only | Willis Marsh (11,900 Yegua) | Liberty | 1 | 41.9K | 582K | Jul 2014 – Aug 2024 |
| Henderson, Catherine 'A' G-3-262547 | Western Energy Group, LLC only | Willis Marsh (13200) | Liberty | 1 | 41.7K | 681K | Mar 2011 – Feb 2020 |
| Price, Willis D G-14-281129 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 40.2K | 711K | Jul 2015 – Aug 2026 |
| Boyt Heirs G-3-271069 | Talos Gulf Coast Onshore LLC only | Willis Marsh (13200) | Liberty | 1 | 38.9K | 153K | Dec 2012 – Jul 2013 |
| Price, Willis D. G-14-266379 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 37K | 260K | Nov 2011 – Jul 2026 |
| Henderson, Catherine 'B' G-3-265077 | Titus Liberty Multi Well 2, LLC only | Willis Marsh (13200) | Liberty | 1 | 33.7K | 843K | Jun 2011 – Sep 2023 |
| Price, Willis D G-14-280736 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 30.7K | 954K | Jul 2015 – Nov 2022 |
| Price, Willis D G-14-281305 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 29.3K | 494K | Aug 2015 – Aug 2026 |
| Pickett G-3-200963 | Choice Exploration, Inc. only | Willis Marsh (11,900 Yegua) | Liberty | 1 | 28.9K | 496K | Feb 2004 – Sep 2006 |
| Price, Willis D. G-14-266376 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 26.6K | 407K | Jul 2011 – Jun 2024 |
| Henderson Ranch G-3-260489 | Avalanche Oil & Gas LLC only | Willis Marsh (13200) | Liberty | 1 | 26.6K | 365K | Oct 2010 – Jun 2026 |
| Price, Willis D. G-14-224728 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 26.1K | 468K | Nov 2006 – May 2012 |