| Wolf Heirs O-6-14179 | Tsar Energy, LLC only | Rawlins (1020 Wilcox) | Anderson | 1 | 3.69K | 0 | Sep 2001 – Oct 2021 |
| Crawford, Oran O-6-3733 | HD Operating Co, LLC only | Slocum | Anderson | 29 | 3.66K | 53 | by Jan 1993 – Jun 2026 |
| Valentine, C. H. O-6-14344 | Rock Bottom Oil, GP, L.L.C. only | Mound Prairie, W. (Rodessa) | Anderson | 1 | 3.57K | 450 | Sep 2004 – Dec 2024 |
| Wortham, V.C. et al Gas Unit G-6-186858 | McGowan Working Partners, Inc. only | Cayuga (CV-TP Cons.) | Anderson | 1 | 3.57K | 433K | Sep 2001 – Dec 2018 |
| Loper, R. F. G-6-166636 | Kaiser-Francis Oil Company only | Cayuga (CV-TP Cons.) | Anderson | 1 | 3.54K | 516K | Oct 1997 – Feb 2003 |
| Mays, G. C. 'A' O-6-13332 | Basa Resources, Inc. only | Days Chapel (Carrizo) | Anderson | 1 | 3.53K | 54 | Feb 1993 – Sep 2008 |
| Woolverton G-6-181829 | Ventex Operating Corp. only | Bethel Dome, East (Pettit Gas) | Anderson | 1 | 3.48K | 1.18M | Mar 2001 – Aug 2014 |
| Elrod, G. O., Estate O-6-5161 | Rose City Resources, LLC only | Purt, W. (Rodessa 10,050) | Anderson | 1 | 3.47K | 3.27K | by Jan 1993 – Feb 2014 |
| Terrell O-6-10871 | Buffco Production Inc. only | Purt,w. (Rodessa 10,200) | Anderson | 1 | 3.47K | 53.1K | by Jan 1993 – May 1997 |
| Wortham, V.C. et al Gas Unit G-6-174513 | McGowan Working Partners, Inc. only | Cayuga (Pettit) | Anderson | 1 | 3.4K | 1.14M | Sep 1999 – Aug 2026 |
| Johnston, Hoyt et Al O-6-15371 | Tower Resources Inc only | Slocum, S. (Sub-Clarksville) | Anderson | 1 | 3.37K | 0 | Jun 2014 – Nov 2019 |
| Royall, John G-6-172093 | Ross-Rippy only | Jarvis Dome (Woodbine "A") | Anderson | 1 | 3.35K | 18K | Jan 1999 – Oct 1999 |
| Rampy, H. R. G-6-198427 | McGowan Working Partners, Inc. only | Cayuga (Trinity) | Anderson | 1 | 3.34K | 468K | Nov 2003 – Aug 2017 |
| Rampy, H.R. G-6-180211 | McGowan Working Partners, Inc. only | Cayuga (Pettit) | Anderson | 1 | 3.32K | 802K | Nov 2000 – Nov 2020 |
| Rampy, H. R. G-6-35825 | McGowan Working Partners, Inc. only | Cayuga (Pettit) | Anderson | 1 | 3.21K | 812K | by Jan 1993 – Jul 2007 |
| Cook Gas Unit O/A G-6-81999 | Trinity Gas Storage, LLC only | Bethel (Rodessa) | Anderson | 1 | 3.2K | 4.07M | by Jan 1993 – Jul 2024 |
| Smith, Ruby G-6-123709 | Goldston Oil Corporation only | Bethel (Rodessa) | Anderson | 1 | 3.14K | 1.1M | by Jan 1993 – Jul 1999 |
| Royall & Cone -D- G-6-15909 | Eqv Operating LLC only | Cayuga (Trinity) | Anderson | 1 | 3.13K | 765K | by Jan 1993 – Aug 2026 |
| Cady-State of Texas, Unit No. 1 G-6-119838 | Green River Resources Inc. only | Beto (Rodessa) | Anderson | 1 | 3.07K | 126K | Mar 1994 – Aug 2026 |
| Huddleston G-6-143687 | Card Operating Company, Inc. only | Slocum, West (Woodbine) | Anderson | 1 | 2.96K | 6.79K | by Jan 1993 – Mar 1994 |
| Covington G-6-229031 | Weathers Exploration, Inc. only | Elkhart (Pettit) | Anderson | 1 | 2.92K | 583K | Jun 2007 – Aug 2026 |
| Wolf, C. C. O-6-10957 | Petroreal Inc. only | Slocum, NW (Woodbine Wolf) | Anderson | 1 | 2.83K | 140 | by Jan 1993 – Jan 1996 |
| Stanley, C. H. G-6-166463 | Encrescent, LLC only | Cayuga (CV-TP Cons.) | Anderson | 1 | 2.63K | 1.69M | Nov 1997 – Aug 2026 |
| Wills, N. N. -E- Unit G-6-15912 | Texaco E & P Inc. only | Cayuga (Trinity) | Anderson | 1 | 2.58K | 197K | by Jan 1993 – Apr 1995 |
| Nickelson, B. W. O-6-12303 | Browning, Landon only | Muse Church (Woodbine) | Anderson | 1 | 2.54K | 38 | by Jan 1993 – Feb 1996 |
| Nolley G.U. G-6-221984 | Ventex Operating Corp. only | Bethel Dome, East (Pettit Gas) | Anderson | 1 | 2.48K | 230K | Oct 2006 – Jul 2017 |
| Williams, Paul O-6-12253 | Haupt, Inc. only | Bois D'arc (Rodessa) | Anderson | 1 | 2.41K | 198 | Sep 1993 – Nov 1997 |
| Wortham G-6-159634 | McGowan Working Partners, Inc. only | Cayuga (CV-TP Cons.) | Anderson | 1 | 2.41K | 272K | Jul 1996 – Mar 2018 |
| Crawford, Norris O-6-12049 | Iron Jaw Operating LLC only | Slocum | Anderson | 5 | 2.33K | 163 | by Jan 1993 – Dec 2019 |
| Wills, N. N. "A" G-6-180371 | McGowan Working Partners, Inc. only | Cayuga (CV-TP Cons.) | Anderson | 1 | 2.31K | 1.05M | Nov 2000 – Aug 2026 |
| Wills, N.N. G-6-198928 | McGowan Working Partners, Inc. only | Cayuga (Trinity) | Anderson | 1 | 2.27K | 401K | Nov 2003 – Aug 2026 |
| Ray O-6-14137 | Tsar Energy, LLC only | Rawlins (900 Wilcox) | Anderson | 1 | 2.21K | 0 | Sep 2002 – Jun 2023 |
| Robertson, Byrdie G-6-183207 | Texas, Les & Co. only | Wolf Creek (Pettit) | Anderson | 1 | 2.16K | 131K | Apr 2001 – Jul 2016 |
| Wortham, V.C. et al Gas Unit G-6-160225 | McGowan Working Partners, Inc. only | Cayuga (CV-TP Cons.) | Anderson | 1 | 2.12K | 1.12M | Aug 1996 – May 2020 |
| Crawford O-6-14228 | Wilson, Don H., Inc. only | Slocum, NW (Woodbine D) | Anderson | 1 | 2.11K | 0 | Jun 2003 – Apr 2007 |
| Covington G-6-232103 | Browning Oil Company, Inc. only | Elkhart (Pettit) | Anderson | 1 | 2.11K | 246K | Mar 2007 – Jul 2010 |
| Robertson, Byrdie O-6-11248 | Omega Energy Corp. only | Wolf Creek (Pettit) | Anderson | 1 | 2.05K | 72.5K | by Jan 1993 – Mar 2001 |
| Wortham, V.C. et al Gas Unit G-6-172873 | McGowan Working Partners, Inc. only | Cayuga (CV-TP Cons.) | Anderson | 1 | 2.05K | 1.33M | Apr 1999 – Aug 2026 |
| Johnson, Ned O-6-12121 | Allison/Hobbs Inc. only | Beaver (Rodessa) | Anderson | 1 | 1.95K | 104K | by Jan 1993 – Jul 2001 |
| Monnig "B" G-6-143625 | Linder, John Operating Co., LLC only | Long Lake (Pettit 9515) | Anderson | 1 | 1.94K | 1.01M | by Jan 1993 – Aug 2026 |
| Crawford G-6-190990 | Roosth Production Co. only | Slocum, NW (Woodbine D) | Anderson | 1 | 1.93K | 13K | Aug 2002 – May 2003 |
| Wills, N. N. "A" G-6-181561 | Chevron U. S. A. Inc. only | Cayuga (CV-TP Cons.) | Anderson | 1 | 1.83K | 715K | Feb 2001 – Mar 2009 |
| Whitley Estate G-6-140949 | Calto Operating Company, Inc. only | Elkhart (Woodbine) | Anderson | 1 | 1.8K | 726K | by Jan 1993 – Jan 1995 |
| Shultz O-6-14535 | Palmer Petroleum Inc. only | Salmon (Sub-Clarksville) | Anderson | 1 | 1.79K | 0 | Jun 2006 – Sep 2007 |
| Covington G-6-224062 | Weathers Exploration, Inc. only | Elkhart (Woodbine) | Anderson | 1 | 1.73K | 974K | Jun 2006 – Dec 2009 |
| Edens Gas Unit #2 G-6-169027 | Chevron U. S. A. Inc. only | Cayuga (CV-TP Cons.) | Anderson | 1 | 1.72K | 238K | May 1998 – Jul 2002 |
| Wortham, V.C. et al Gas Unit G-6-177203 | McGowan Working Partners, Inc. only | Cayuga (CV-TP Cons.) | Anderson | 1 | 1.72K | 1.35M | Mar 2000 – Jan 2025 |
| Ware, G. W. G-6-186687 | McGowan Working Partners, Inc. only | Cayuga (CV-TP Cons.) | Anderson | 1 | 1.69K | 489K | Dec 2001 – Nov 2018 |
| Henry G-6-142344 | Can-Tex Energy Corp. only | Blackfoot, S.W. (Travis Peak) | Anderson | 1 | 1.68K | 8.02K | by Jan 1993 – Aug 1995 |
| May O-6-14831 | Upstream Resource Partners, LLC only | Rawlins (1020 Wilcox) | Anderson | 2 | 1.62K | 0 | Oct 2008 – Jun 2026 |