| Duke, Basil Jr. O-14-7157 | BP America Production Company only | Ellis Ranch (Cleveland) | Ochiltree | 1 | 3.51K | 112K | Aug 1996 – Jul 2004 |
| Duke Ranch -2- O-2-9098 | T - C Oil Company only | Live Oak Lake (Consolidated) | Goliad | 1 | 3.45K | 146K | Mar 2006 – Apr 2007 |
| Duke, C. C. O-14-3739 | Phillips Petroleum Company only | Bradford, NW. (Tonkawa) | Lipscomb | 1 | 3.15K | 92.6K | Jan 1993 – Jul 1999 |
| Duke Ranch -M- O-2-9131 | T - C Oil Company only | Tejas (Frio 5400) | Goliad | 1 | 3.08K | 149K | Mar 2007 – Jun 2009 |
| Duke, Basil Jr. G-14-204323 | Latigo Petroleum, LLC only | Peery (Marmaton) | Ochiltree | 1 | 3.01K | 55.2K | Jul 2004 – Mar 2026 |
| Duke, Basil G-14-158303 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 2.68K | 470K | Apr 1996 – Mar 2026 |
| Duke, C. C. "A" O-14-7367 | Amoco Production Company only | Bradford (Tonkawa) | Lipscomb | 1 | 2.28K | 6.42K | Jul 2000 – Mar 2001 |
| Miller O-14-5358 | McGee, Tom Corporation only | Duke-May (Tonkawa) | Lipscomb | 1 | 2.23K | 40 | Jan 1993 – May 1996 |
| Duke Ranch -K- G-2-217666 | T - C Oil Company only | Tejas (Frio 4500) | Goliad | 1 | 2.17K | 2.53M | Nov 2005 – Aug 2010 |
| Cargill Gas Unit G-6-174985 | Diversified Production LLC only | Waskom (Duke) | Harrison | 1 | 2.16K | 887K | Sep 1999 – Jan 2026 |
| Duke Ranch -F- G-2-212605 | T-C Oil Company, LLC only | Tejas (Frio 4800) | Refugio | 1 | 2.02K | 1.55M | Jul 2005 – May 2008 |
| Duke, C. C. -B- G-14-146367 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 1.93K | 1.03M | Aug 1993 – Mar 2026 |
| Duke G-14-71789 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 1.81K | 954K | Jan 1993 – Mar 2026 |
| Duke Ranch -1- G-2-220101 | T - C Oil Company only | Live Oak Lake (Consolidated) | Goliad | 1 | 1.77K | 604K | Feb 2006 – Aug 2009 |
| Duke Ranch-5- G-2-220055 | T - C Oil Company only | Tejas (Frio 5100) | Goliad | 1 | 1.7K | 1.1M | Mar 2006 – Jan 2010 |
| Duke, C. C. -D- G-14-121111 | BP America Production Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 1.66K | 150K | Jan 1993 – Jun 2003 |
| Duke Ranch -L- G-2-254684 | T - C Oil Company only | Tejas (Frio 5400) | Refugio | 1 | 1.65K | 473K | Jan 2007 – Sep 2007 |
| Duke Wilson 188 G-9-204494 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 1.64K | 425K | May 2003 – Oct 2022 |
| Duke Ranch -K- G-2-220799 | T-C Oil Company, LLC only | Tejas (Frio 5100) | Goliad | 1 | 1.6K | 913K | May 2006 – May 2008 |
| Duke Ranch -B- G-2-208555 | T - C Oil Company only | Sarco Creek (5000) | Goliad | 1 | 1.56K | 1.8M | Apr 2005 – Mar 2008 |
| Duke Ranch -M- G-2-210149 | T - C Oil Company only | Tejas (Frio 5100) | Goliad | 1 | 1.54K | 1.11M | Jun 2005 – Mar 2008 |
| Duke, C. C., -A- O-14-3493 | Crescendo Resources, L.P. only | Bradford, NW. (Tonkawa) | Lipscomb | 2 | 1.52K | 72.5K | Jan 1993 – Nov 1997 |
| Bar M Ranch G-3-177905 | Geopetra Partners, LLC only | Edny Duke (Wilcox 10,500) | Polk | 1 | 1.5K | 134K | May 2000 – Jun 2007 |
| Duke Ranch -C- G-2-212611 | T - C Oil Company only | Live Oak Lake (Consolidated) | Goliad | 1 | 1.46K | 1.35M | Jul 2005 – Dec 2007 |
| Duke, C.C. G-14-205184 | BP America Production Company only | Bradford, NW. (Tonkawa) | Lipscomb | 1 | 1.46K | 79.9K | Jun 2004 – Mar 2010 |
| Dukes, L. B. Etal O-1-1231 | Little River Operating Corp. only | Minerva-Rockdale | Milam | 4 | 1.42K | 21 | Jan 1993 – Nov 1999 |
| Duke Ranch -S- G-2-220279 | T-C Oil Company, LLC only | Tejas (Frio 5100) | Goliad | 1 | 1.39K | 1.05M | Feb 2006 – Jan 2012 |
| Babitzke O-14-5241 | Samson Hydrocarbons Company only | Duke-May (Tonkawa) | Lipscomb | 1 | 1.36K | 1.02K | Jan 1993 – Sep 1993 |
| Duke Ranch -10- G-2-220567 | T-C Oil Company, LLC only | Tejas (Frio 5100) | Goliad | 1 | 1.34K | 920K | Apr 2006 – May 2008 |
| Duke, Frances G-13-138887 | Devon Energy Production Co, L.P. only | Boonsville (Bend Congl., Gas) | Wise | 1 | 1.28K | 256K | Jan 1993 – Sep 2013 |
| Duke Ranch -J- G-2-216543 | T-C Oil Company, LLC only | Tejas (Frio 4600) | Refugio | 1 | 1.27K | 1.86M | Nov 2005 – Feb 2010 |
| Duke, C. C. "B" G-14-159569 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 1.25K | 824K | Jul 1996 – Mar 2026 |
| Duke C.C. G-14-204918 | Complete Oil & Gas Services, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 1.24K | 622K | Apr 2004 – Jan 2010 |
| Duke Ranch -8- G-2-220543 | T - C Oil Company only | Tejas (Frio 5100) | Goliad | 1 | 1.22K | 858K | Apr 2006 – Apr 2008 |
| Duke Ranch -A- G-2-211159 | T - C Oil Company only | Sarco Creek (4500) | Goliad | 1 | 1.22K | 845K | Apr 2005 – Jan 2007 |
| Duke G-14-142698 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 1.16K | 589K | Jan 1993 – Mar 2026 |
| Wilson, Duke 172 G-9-210079 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 1.09K | 1.14M | Sep 2004 – Apr 2026 |
| Wilson, Duke 171 G-9-209502 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 1.03K | 269K | Jul 2004 – Apr 2026 |
| Duke O-8-31946 | Bluff Creek Petroleum, LLC only | Lewis Steffens | Jones | 1 | 1K | 0 | Mar 2016 – Sep 2019 |
| Swanson G-3-283644 | Atlas Operating LLC only | Duke (6200) | Wharton | 1 | 986 | 203K | Nov 2016 – Feb 2020 |
| Duke G-14-186901 | Courson Oil & Gas, Inc. only | Lipscomb (Cleveland) | Lipscomb | 1 | 983 | 764K | Jan 2002 – Apr 2026 |
| Duke G-14-142735 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 972 | 518K | Jan 1993 – Mar 2026 |
| Duke, C. C. G-14-160475 | Complete Oil & Gas Services, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 842 | 558K | Aug 1996 – Dec 2025 |
| Duke, C. C. -A- G-14-168861 | Amoco Production Company only | Bradford (Cleveland) | Lipscomb | 1 | 807 | 80.9K | Mar 1998 – Jul 2000 |
| Duke O-3-24681 | HK Energy Operating, LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 802 | 0 | Apr 2005 – Oct 2007 |
| Wilson, Duke 171 G-9-262526 | Upp Operating, LLC only | Fawcett (Wolfcamp) | Sutton | 1 | 789 | 39.8K | Jan 2011 – Apr 2026 |
| Duke, C. C. -A- G-14-119354 | BP America Production Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 772 | 357K | Jan 1993 – Aug 2013 |
| Duke 767 G-14-196360 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 758 | 451K | Jan 2003 – May 2019 |
| Duke Wilson 187 G-9-214003 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 746 | 49.1K | Aug 2005 – Oct 2024 |
| Duke, Basil G-14-143234 | Complete Oil & Gas Services, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 716 | 188K | Jan 1993 – Feb 2023 |