| H.B. Morrison G-10-290757 | Diamondback E&P LLC only | Phantom (Wolfcamp) | Ward | 1 | 1.22M | 3.61M | Feb 2017 – Apr 2026 |
| Morrison G-14-263497 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 137K | 1.21M | Jul 2011 – Apr 2026 |
| Morris -A- G-14-280509 | Latigo Petroleum, LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 126K | 1.73M | Nov 2015 – Mar 2026 |
| Morris, Thelma G-3-125472 | Parten Operating Inc. only | Ft. Trinidad, E. (Glen Rose D) | Houston | 1 | 80.8K | 4.68M | Jan 1993 – Apr 2026 |
| Merydith, Morris R. -E- G-14-269707 | Mewbourne Oil Company only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 71.4K | 822K | May 2013 – Apr 2026 |
| Morris Estate 848 G-14-278945 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 68.5K | 728K | Oct 2015 – Apr 2026 |
| State Tract 25 G-4-110766 | Sulphur River Exploration, Inc. only | Portland, S. (Morris) | San Patricio | 1 | 67.8K | 967K | Jan 1993 – Jan 2010 |
| H.B. Morrison G-10-290772 | Diamondback E&P LLC only | Phantom (Wolfcamp) | Ward | 1 | 66.5K | 257K | Mar 2021 – Apr 2026 |
| Merydith, Morris R. -E- G-14-266618 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 66.4K | 589K | Dec 2011 – Apr 2026 |
| H.B. Morrison G-10-290771 | Diamondback E&P LLC only | Phantom (Wolfcamp) | Ward | 1 | 59.6K | 332K | Mar 2021 – Apr 2026 |
| H.B. Morrison G-10-290794 | Diamondback E&P LLC only | Phantom (Wolfcamp) | Ward | 1 | 57.3K | 346K | Mar 2021 – Apr 2026 |
| Morris -A- G-14-280610 | Latigo Petroleum, LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 53.3K | 1.09M | Jan 2016 – Mar 2026 |
| Morris C Unit G-13-273871 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 49.1K | 968K | May 2011 – Apr 2026 |
| Morris, E. G-3-177513 | Amrwr, LLC only | Raywood (Cook Mtn. 10,850) | Liberty | 1 | 48.6K | 5.33M | Feb 2000 – Feb 2020 |
| Zapalac, Morris F. G-3-162545 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 47.9K | 1.18M | Jan 1997 – Apr 2026 |
| Merydith, Morris R. -E- G-14-276163 | Mewbourne Oil Company only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 46K | 418K | Jun 2014 – Apr 2026 |
| Carrie G-14-166493 | Natural Gas Anadarko Company only | Morrison Ranch (Morrow Lo.) | Roberts | 1 | 45.1K | 3.31M | Feb 1998 – Apr 2026 |
| Hynson, Charlotte Morris G.U. G-6-264740 | Merit Energy Company only | Woodlawn (Cotton Valley) | Harrison | 1 | 42.3K | 3.08M | Jun 2011 – Apr 2026 |
| Morris G-5-143035 | Palmer Petroleum Inc. only | Aventura Ranch (James Lime) | Van Zandt | 1 | 36.3K | 1.12M | Jan 1993 – Jan 2012 |
| State Tract No. 26 G-4-97091 | Samson Lone Star, LLC only | Portland, S. (Morris) | San Patricio | 1 | 34.5K | 368K | Jan 1993 – Jun 2007 |
| Chambers-State G-14-146816 | Mewbourne Oil Company only | Morrison Ranch (Morrow Lo.) | Roberts | 1 | 31K | 1.69M | Aug 1993 – Feb 2004 |
| Morrison, Lavine O. G-3-75077 | Middleton Oil Company only | Rock Island, W. (Wilcox 9700) | Colorado | 1 | 24.3K | 2.39M | Jan 1993 – Apr 2026 |
| Morris G-14-260455 | Mewbourne Oil Company only | Northrup (Cleveland) | Ochiltree | 1 | 22.6K | 777K | Jan 2011 – Apr 2026 |
| Hynson, Charlotte Morris G.U. G-6-277054 | Merit Energy Company only | Woodlawn (Cotton Valley) | Harrison | 1 | 22.1K | 2.2M | Aug 2013 – Apr 2026 |
| Morrison G-14-235819 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 21.2K | 1.2M | Feb 2008 – Apr 2026 |
| Morris -B- G-14-184652 | Complete Oil & Gas Services, LLC only | Kiowa Creek (Morrow, Upper) | Ochiltree | 1 | 20.9K | 1.47M | Jun 2001 – May 2004 |
| Conrad G-14-210639 | Unbridled Resources, LLC only | Morrison Ranch (Morrow Up.) | Roberts | 1 | 19.5K | 4.12M | Jul 2005 – Dec 2024 |
| Killebrew G-14-153788 | Davis Operating Company, Inc. only | Morrison Ranch (Morrow Lo.) | Roberts | 1 | 18.2K | 1.27M | Apr 1995 – Apr 2017 |
| Conrad G-14-157912 | Unbridled Resources, LLC only | Morrison Ranch (Morrow Lo.) | Roberts | 1 | 17.5K | 2.24M | Jan 1996 – Apr 2026 |
| Morrison G-13-261781 | Scout Energy Management LLC only | Newark, East (Barnett Shale) | Wise | 1 | 17.2K | 1.65M | Jun 2011 – Apr 2026 |
| Morrison, Mary T. -E- G-14-185520 | Bce-Mach III LLC only | Morrison Ranch (Morrow Up.) | Roberts | 1 | 16.6K | 3.99M | Jun 2001 – Jun 2010 |
| Geistman GU G-4-192214 | EOG Resources, Inc. only | Airport (Morris) | Nueces | 1 | 15.4K | 471K | Dec 2002 – Dec 2004 |
| Morrison G-14-222905 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 15.1K | 842K | Oct 2006 – Feb 2026 |
| Morris a Unit G-13-273869 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 15K | 806K | May 2011 – Apr 2026 |
| Morris B Unit G-13-273914 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 14.2K | 609K | May 2011 – Apr 2026 |
| Morris -B- G-6-29988 | Eqv Operating LLC only | Carthage (Pettit, Lower Gas) | Panola | 1 | 13.8K | 2.17M | Jan 1993 – Apr 2026 |
| Morrison G-3-193085 | Dewbre Petroleum Corporation only | Bernard, W. (7850) | Wharton | 1 | 13.7K | 796K | Nov 2002 – Jul 2008 |
| Morris, Elizabeth, Mrs., et Al G-3-8070 | Western Energy Group, LLC only | Raywood (Cook Mtn.) | Liberty | 1 | 13.2K | 1.63M | Jan 1993 – Apr 2004 |
| City H & F Properties G-4-255130 | Firstrike Energy Corporation only | Airport (Morris) | Nueces | 1 | 12.7K | 714K | Feb 2010 – Jul 2015 |
| Stevens, Morris G-2-132200 | Pure Resources, L.P. only | Inez (Yegua 9260) | Victoria | 1 | 12.6K | 2.37M | Jan 1993 – Aug 1995 |
| Morris G-2-249298 | Mohican Operating, L.L.C. only | Tuleta | Bee | 1 | 12.4K | 8.86K | Dec 2008 – Aug 2011 |
| Morrison G-14-256472 | Davis Operating Company, Inc. only | Morrison Ranch (Morrow Up.) | Roberts | 1 | 12.2K | 1.88M | Jul 2009 – Nov 2025 |
| Morrison G-13-261994 | Scout Energy Management LLC only | Newark, East (Barnett Shale) | Wise | 1 | 12.2K | 140K | Jun 2011 – Jun 2018 |
| Morrison, H. B. G-10-42648 | Diamondback E&P LLC only | Lockridge (Ellenburger 18600) | Ward | 1 | 11.5K | 10.7M | Jan 1993 – Apr 2026 |
| Lawrence, C. A. Unit "F" G-13-150200 | Scout Energy Management LLC only | Morris (Consolidated Congl.) | Wise | 1 | 11.3K | 320K | Jul 1994 – Apr 2026 |
| Flowers-Bilberry Unit 1 G-13-134291 | Scout Energy Management LLC only | Morris (Consolidated Congl.) | Wise | 1 | 10.9K | 373K | Jan 1993 – Jun 2023 |
| Orr, William Unit G-13-188251 | Upham Oil & Gas Company only | Morris (Consolidated Congl.) | Wise | 1 | 10.8K | 176K | Feb 2002 – Apr 2026 |
| Morris, E., Mrs., et Al G-3-8069 | Crimson Exploration Oper., Inc. only | Raywood (Cook Mtn.) | Liberty | 1 | 10.5K | 2.24M | Jan 1993 – Mar 2003 |
| Morrison G-14-261512 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 10.4K | 4.17M | Jul 2010 – Apr 2026 |
| Killebrew, C. P. et al -A- G-14-124880 | Latigo Petroleum, LLC only | Morrison Ranch (Morrow Lo.) | Roberts | 1 | 9.9K | 1.03M | Jan 1993 – Nov 2012 |