| Dukes 7 G-14-276812 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 25.4K | 1M | Apr 2014 – Jul 2025 |
| Duke Unit O-3-21747 | B.W.O.C., Inc. only | Kurten (Buda) | Brazos | 1 | 24.3K | 17.6K | Jan 1993 – Mar 2005 |
| Duke, C. C. "A" O-14-8292 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 3 | 23.7K | 776K | May 2011 – Mar 2026 |
| Duke G-14-141693 | King Operating Corporation only | Second Creek (Morrow Upper) | Lipscomb | 1 | 23.2K | 3.88M | Jan 1993 – Apr 2026 |
| Kuretsch, Raymond O-2-8428 | Whittington Operating Company only | Ganado, West (5500 Duke -A-) | Jackson | 1 | 21.8K | 0 | Feb 1999 – May 2000 |
| Duke '781' G-14-267222 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 21.7K | 706K | Mar 2012 – Apr 2026 |
| Duke O-9-8892 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Reagan | 1 | 21.7K | 141K | Jan 1993 – Aug 2012 |
| Duke Ranch -18- O-2-12984 | T-C Oil Company, LLC only | Tejas (Frio 5400) | Goliad | 1 | 21.6K | 3.41K | Jun 2025 – Apr 2026 |
| Kirschman O-14-5394 | McGee, Tom Corporation only | Duke-May (Tonkawa) | Lipscomb | 2 | 21.2K | 41.6K | Jan 1993 – Feb 2004 |
| Duke, C. C. "A" O-14-7387 | BP America Production Company only | Bradford (Cleveland) | Lipscomb | 3 | 19.9K | 751K | Apr 2001 – Apr 2011 |
| Duke G-6-294039 | New Century Exploration, Inc. only | Woodlawn (Cotton Valley) | Harrison | 1 | 19.6K | 1.71M | Nov 2022 – Mar 2026 |
| Duke, C. C. G-14-165001 | BP America Production Company only | Bradford, NW. (Tonkawa) | Lipscomb | 1 | 18.4K | 398K | Aug 1997 – Jan 2002 |
| Cargill Gas Unit G-6-148700 | Diversified Production LLC only | Waskom (Duke) | Harrison | 1 | 17.4K | 1.4M | Jan 1994 – Aug 2020 |
| Duke 31 O-10-39662 | Kneupper Oil, LLC only | Crossett, West (Clear Fork, Up.) | Crane | 2 | 15.8K | 71.8K | Sep 2009 – Apr 2026 |
| Duke, E. L. "B" O-13-25557 | Devon Energy Production Co, L.P. only | Morris (Consolidated Congl.) | Wise | 1 | 14.8K | 247K | Jan 1993 – Dec 2008 |
| Duke "850" G-14-244476 | Mewbourne Oil Company only | Kiowa Creek (Cleveland) | Ochiltree | 1 | 14.6K | 506K | Nov 2008 – Apr 2026 |
| Duke O-1-11542 | Castillo Oil Company LLC only | Tenney Creek | Caldwell | 2 | 13.8K | 188 | Jun 1993 – Feb 2026 |
| Little Duke O-11-70621 | Parallel Petroleum LLC only | Harris (San Andres) | Gaines | 1 | 13.7K | 6.62K | Jul 2017 – Apr 2026 |
| Dukes, Joe 4 G-14-239301 | Mmgl Txph, LLC only | Allison Parks (Granite Wash) | Hemphill | 1 | 13.1K | 736K | Apr 2008 – Apr 2026 |
| Laduke, A.C. O-1-12527 | Cox & Cox Production Co. only | Pearsall (Austin Chalk) | La Salle | 1 | 12.4K | 4.76K | Jan 1993 – Jan 1999 |
| Duke, C. C. -A- G-14-168851 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 11.8K | 982K | Dec 1997 – Mar 2026 |
| Duke 728 O-14-7528 | EOG Resources, Inc. only | Bradford (Cleveland) | Lipscomb | 2 | 11.1K | 507K | Jun 2004 – Mar 2006 |
| Duke 'B' O-8-31972 | Production Operators of TX, LLC only | Dixon-Lawlis (Canyon) | Fisher | 1 | 10.8K | 12.5K | Nov 2015 – Apr 2026 |
| Dukes 7A G-14-246184 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 10.4K | 423K | Sep 2008 – Aug 2024 |
| Duke Ranch -9- G-2-220564 | T - C Oil Company only | Tejas (Frio 5100) | Goliad | 1 | 10.1K | 1.04M | Apr 2006 – Apr 2009 |
| Duke "781" O-14-5913 | Mewbourne Oil Company only | Skunk Creek (Cleveland) | Lipscomb | 1 | 9.84K | 637K | Jan 1993 – Apr 2011 |
| Dukes 7 G-14-238565 | Unbridled Resources, LLC only | Dyco (Granite Wash) | Wheeler | 1 | 9.55K | 351K | Apr 2008 – Jun 2024 |
| Duke Ranch -16- O-2-12971 | T-C Oil Company, LLC only | Tejas (Frio 5200) | Goliad | 1 | 9.49K | 30.1K | Apr 2025 – Apr 2026 |
| Wiese, Della O-2-7509 | Penn Virginia Oil & Gas Corp. only | Ganado, West (5500 Duke -A-) | Jackson | 1 | 9.36K | 6.88K | Jan 1993 – Jan 1995 |
| Duke, Basil Jr. G-14-247751 | Mewbourne Oil Company only | Kiowa Creek (Cleveland) | Ochiltree | 1 | 8.3K | 399K | Jan 2009 – Apr 2026 |
| Duke 767 G-14-204919 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 8.29K | 626K | Sep 2004 – Dec 2025 |
| Dukes 7 G-14-225507 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 7.82K | 306K | Dec 2006 – Jun 2019 |
| Dukes 7B G-14-247169 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 6.9K | 331K | Nov 2008 – Mar 2025 |
| Duke Ranch -9- O-2-9314 | T-C Oil Company, LLC only | Tejas (Frio 5100) | Goliad | 1 | 6.88K | 148K | May 2009 – Jan 2012 |
| Duke, Charles O-1-11094 | Thomas Exploration & Devel., Inc only | Somerset | Bexar | 15 | 6.35K | 90 | Jan 1993 – Apr 1999 |
| Duke O-8-18765 | D. W. R. Oil Co., Inc. only | Dixon-Lawlis (Canyon) | Fisher | 2 | 6.33K | 20 | Jan 1993 – Oct 2011 |
| Duke O-10-31720 | Eng, George E. only | G. P. M. (Glorieta) | Winkler | 1 | 5.86K | 10.1K | Jan 1993 – Mar 2001 |
| Duke G-14-170080 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 5.58K | 1.1M | Mar 1998 – Mar 2026 |
| Duke, Basil G-14-44663 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 5.54K | 693K | Jan 1993 – Mar 2026 |
| Duke-Gasperson OU O-13-27065 | Devon Energy Production Co, L.P. only | Morris (Consolidated Congl.) | Wise | 1 | 5.51K | 107K | Jan 1993 – Jun 2009 |
| Duke, E. L. G-13-280447 | Scout Energy Management LLC only | Morris (Consolidated Congl.) | Wise | 1 | 5.49K | 74K | May 2016 – Apr 2026 |
| Longhofer O-14-5350 | McGee, Tom Corporation only | Duke-May (Tonkawa) | Lipscomb | 2 | 5.47K | 28.6K | Jan 1993 – May 1996 |
| Duke Ranch -D- O-2-9056 | T - C Oil Company only | Live Oak Lake (5200) | Goliad | 1 | 5.43K | 7.03K | Mar 2006 – Oct 2006 |
| Duke, Basil G-14-142733 | BP America Production Company only | Bradford (Cleveland) | Lipscomb | 1 | 5.06K | 138K | Jan 1993 – Jul 2003 |
| Duke, C. C. "B" G-14-164697 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 4.56K | 465K | Aug 1997 – Mar 2026 |
| Duke, C.C. "D" G-14-159517 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 4.46K | 712K | Jun 1996 – Mar 2026 |
| Swanson G-3-195505 | Midas Resources, Inc. only | Duke (6200) | Wharton | 1 | 4.33K | 74.4K | Aug 2003 – May 2004 |
| Duke Ranch O-2-8315 | Gilster, Ralph R. III only | Gaffney, SW. (5300) | Goliad | 1 | 4.16K | 142K | Nov 1997 – Mar 1999 |
| Keller, Eula Burt O-11-8574 | Duke, M. L. only | Kelly-Snyder | Scurry | 1 | 3.94K | 444 | Jan 1993 – Jan 2000 |
| Duke Ranch -T- G-2-212604 | T-C Oil Company, LLC only | Tejas (Frio 5100) | Goliad | 1 | 3.9K | 2.84M | Jul 2005 – Apr 2026 |