| Sealy Smith Foundation -I- G-10-120656 | Ring Energy, Inc. only | Halley (Devonian) | Winkler | 1 | 30.7K | 2.1M | Jan 1993 – Aug 2023 |
| Stanolind-B,hill,m.f.-Mitchell G G-10-204142 | Hilcorp Energy Company only | Halley (McKee) | Winkler | 1 | 26.1K | 1.83M | Jun 2004 – Jun 2025 |
| Halley, S. G-10-272621 | Basin Oil & Gas Operating, LLC only | Emperor (Miss.) | Winkler | 1 | 24.6K | 2.68M | Aug 2013 – Nov 2025 |
| Halley, S. M. G-10-180876 | Permex Petroleum Corporation only | Emperor (Simpson) | Winkler | 1 | 14.8K | 2.3M | Oct 2000 – Sep 2023 |
| Halley, S. M. G-10-160988 | Team Operating, L.L.C. only | Kermit (Yates) | Winkler | 1 | 11.5K | 164K | Oct 1996 – Mar 2020 |
| Pan AM B Hill Mitchell TR 2 G-10-202872 | XTO Energy Inc. only | Halley, West (McKee) | Winkler | 1 | 10.8K | 918K | Feb 2004 – Mar 2011 |
| Halley, S. M. G-10-183097 | Permex Petroleum Corporation only | Emperor (Simpson) | Winkler | 1 | 10.4K | 945K | Dec 2000 – Nov 2025 |
| Hill, M. J. Acct 3 G-10-199675 | Hilcorp Energy Company only | Halley (McKee) | Winkler | 1 | 8.28K | 1.37M | Sep 2003 – Aug 2020 |
| Halley, S. G-10-172725 | Permex Petroleum Corporation only | Emperor (Simpson) | Winkler | 1 | 8.1K | 2.13M | Mar 1999 – Nov 2025 |
| Halley, S. M. G-10-186673 | Permex Petroleum Corporation only | Emperor (Simpson) | Winkler | 1 | 7.99K | 2.1M | Feb 2001 – Nov 2025 |
| Hill, Mrs. M. J. G-10-205188 | Hilcorp Energy Company only | Halley (McKee) | Winkler | 1 | 6.83K | 1.18M | Aug 2004 – Jul 2024 |
| Halley, S. G-10-166715 | Permex Petroleum Corporation only | Emperor (Simpson) | Winkler | 1 | 6.26K | 1.97M | Sep 1997 – Oct 2023 |
| Hill 23 Unit G-10-77697 | Bass Enterprises Production Co. only | Halley (Devonian) | Winkler | 1 | 6.13K | 2.47M | Jan 1993 – Sep 2002 |
| Halley, S. M. G-10-19806 | Chevron U. S. A. Inc. only | Emperor (Simpson) | Winkler | 1 | 5.76K | 933K | Jan 1993 – Jan 2006 |
| Hill, M. J. Mrs. Acc. #6 G-10-114488 | Hilcorp Energy Company only | Halley, West (McKee) | Winkler | 1 | 3.45K | 277K | Jan 1993 – Jul 2019 |
| Hill 23 Unit G-10-44084 | Bass Enterprises Production Co. only | Halley (Devonian) | Winkler | 1 | 2.27K | 1.49M | Jan 1993 – Nov 1996 |
| Halley, S. M. G-10-223158 | Chevron U. S. A. Inc. only | Emperor (Simpson) | Winkler | 1 | 1.75K | 1.89M | Feb 2006 – Dec 2014 |
| Sealy & Smith Unit G-10-44095 | Anadarko Petroleum Corporation only | Halley (Devonian) | Winkler | 1 | 1.51K | 895K | Jan 1993 – Nov 2000 |
| Halley, S. M. G-10-19783 | Chevron U. S. A. Inc. only | Emperor (Devonian) | Winkler | 1 | 1.27K | 70.9K | Jan 1993 – Jul 2005 |
| Halley, S. M. G-10-178574 | Team Operating, L.L.C. only | Kermit (Yates) | Winkler | 1 | 938 | 101K | May 2000 – Jun 2012 |
| Sealy & Smith Unit G-10-44094 | Basin Oil & Gas Operating, LLC only | Halley (Devonian) | Winkler | 1 | 901 | 1.06M | Jan 1993 – Oct 2003 |
| Sealy & Smith Unit G-10-89224 | Anadarko Petroleum Corporation only | Halley (Devonian) | Winkler | 1 | 875 | 313K | Jan 1993 – Feb 1999 |
| Halley, S. M. G-10-34961 | Permex Petroleum Corporation only | Halley (Devonian) | Winkler | 1 | 795 | 505K | Jan 1993 – Jun 2022 |
| Halley, S. M. "B" G-10-204877 | Shell Western E&P only | Emperor (Wolfcamp) | Winkler | 1 | 792 | 31.8K | Jul 2004 – Jan 2010 |
| Halley, S. M. -B- G-10-19785 | Shell Western E&P only | Emperor (Devonian) | Winkler | 1 | 685 | 11.2M | Jan 1993 – Dec 2006 |
| Halley, S. M. G-10-179476 | Team Operating, L.L.C. only | Kermit (Yates) | Winkler | 1 | 680 | 115K | Aug 2000 – Feb 2008 |
| East 22 Unit G-10-44083 | Bass Enterprises Production Co. only | Halley (Devonian) | Winkler | 1 | 674 | 805K | Jan 1993 – Oct 1997 |
| Sealy & Smith Unit G-10-44093 | Basin Oil & Gas Operating, LLC only | Halley (Devonian) | Winkler | 1 | 636 | 1.29M | Jan 1993 – May 2004 |
| Halley, S. M. G-10-169026 | Team Operating, L.L.C. only | Kermit (Yates) | Winkler | 1 | 634 | 57.8K | Feb 1998 – Apr 2007 |
| Sun-Halley G-10-21052 | Fueled Resources Inc only | Weiner (Yates, Upper) | Winkler | 1 | 569 | 25.2K | Aug 2000 – Sep 2021 |
| Mitchell G-10-142680 | G P II Energy, Inc. only | Halley, East (Strawn) | Winkler | 1 | 553 | 80.2K | Jan 1993 – May 2002 |
| Halley, S. M. G-10-34648 | Permex Petroleum Corporation only | Halley (Devonian) | Winkler | 1 | 540 | 2.76M | Jan 1993 – Sep 2023 |
| Halley, S. M. G-10-176861 | Team Operating, L.L.C. only | Kermit (Yates) | Winkler | 1 | 460 | 116K | Jan 2000 – Sep 2001 |
| Halley, S. M. -B- G-10-71103 | Oryx Energy Company only | Emperor (Devonian) | Winkler | 1 | 452 | 3.93M | Jan 1993 – Mar 1997 |
| Hill, M. J. -23- G-10-44102 | Basin Oil & Gas Operating, LLC only | Halley (Devonian) | Winkler | 1 | 419 | 2.5M | Jan 1993 – Jun 2019 |
| East 22 Unit G-10-44082 | Hilcorp Energy Company only | Halley (Devonian) | Winkler | 1 | 412 | 453 | Apr 2011 – Apr 2011 |
| Halley, S. M. G-10-19781 | Basin Oil & Gas Operating, LLC only | Emperor (Devonian) | Winkler | 1 | 405 | 7.41M | Jan 1993 – Nov 2025 |
| Despain-Halley G-10-174721 | Black Arrow Operating, LLC only | Halley | Winkler | 1 | 219 | 22.6K | Sep 1999 – May 2007 |
| Halley, S. M. G-10-168820 | Team Operating, L.L.C. only | Kermit (Yates) | Winkler | 1 | 216 | 414K | Feb 1998 – Nov 2004 |
| Halley, S. M. -B- G-10-285348 | Basin Oil & Gas Operating, LLC only | Emperor (Simpson) | Winkler | 1 | 173 | 46K | May 2018 – May 2021 |
| Halley, S. M. -B- G-10-163252 | Basin Oil & Gas Operating, LLC only | Emperor (Devonian) | Winkler | 1 | 122 | 9.35M | May 1997 – Apr 2026 |
| Stanolind-B,hill,m.f.-Mitchell,g G-10-79967 | Bass Enterprises Production Co. only | Halley (Montoya) | Winkler | 1 | 119 | 1.39K | Sep 1999 – Dec 2000 |
| Halley, S. M. G-10-179475 | Team Operating, L.L.C. only | Kermit (Yates) | Winkler | 1 | 86 | 25.9K | Aug 2000 – May 2019 |
| Halley, S. G-10-19788 | Chevron U. S. A. Inc. only | Emperor (Devonian) | Winkler | 1 | 64 | 895K | Jan 1993 – Dec 2008 |
| Halley, S. M. G-10-170541 | Team Operating, L.L.C. only | Kermit (Yates) | Winkler | 1 | 60 | 464K | Jun 1998 – Mar 2020 |
| Hill, M. J. -23-A G-10-44103 | Chesapeake Operating, Inc. only | Halley (Devonian) | Winkler | 1 | 54 | 1.34K | Jan 1993 – Dec 1999 |
| Hill, M. J. G-10-19949 | Chesapeake Operating, Inc. only | Halley (Devonian) | Winkler | 1 | 37 | 147K | Jan 1993 – Jun 1995 |
| West 22 Unit G-10-44088 | XTO Energy Inc. only | Halley (Devonian) | Winkler | 1 | 26 | 4.1M | Jan 1993 – Sep 2015 |
| Hill, M. J. Mrs. G-10-90210 | Bass Enterprises Production Co. only | Halley (Penn.) | Winkler | 1 | 3 | 253K | Jan 1993 – Dec 2006 |
| Halley, S. M. G-10-168819 | Team Operating, L.L.C. only | Kermit (Yates) | Winkler | 1 | 0 | 268K | Jan 1998 – Jul 2006 |