| Miller "B" G-4-144766 | Silver Fox Oil & Gas LLC only | Riverside, East (5500 Frio M) | Nueces | 1 | 2.18K | 65.3K | Apr 1996 – Sep 1998 |
| Palafox 1029 G-1-269117 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 2.1K | 2.54M | Oct 2012 – Aug 2026 |
| Fox, W. J. O-2-9180 | Hilcorp Energy Company only | Refugio-Fox (6550) | Refugio | 1 | 2.06K | 11.2K | Feb 2008 – Apr 2011 |
| Palafox Unit G-4-170368 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 2.01K | 889K | Jun 1998 – Mar 2025 |
| Palafox Unit G-4-170365 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 1.89K | 1.31M | Dec 1997 – Apr 2025 |
| Fox, C.P. G-2-151058 | Acock Engineering & Assoc., Inc. only | Refugio-Fox (3500) | Refugio | 1 | 1.8K | 249K | Aug 1994 – Jan 2002 |
| Fox, Jeff S. "A" G-13-212692 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.74K | 1.9M | Jul 2005 – Aug 2026 |
| Fox, W. J. "A" G-2-217699 | Hilcorp Energy Company only | Hynes Ranch (FE-95) | Refugio | 1 | 1.71K | 226K | Nov 2005 – Nov 2006 |
| Fox, J.B. O-3-18871 | Anadarko Austin Chalk Company only | Giddings (Buda) | Lee | 1 | 1.59K | 9.22K | by Jan 1993 – Mar 1996 |
| Fox G-13-202962 | Hawkbend LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.58K | 114K | Jul 2004 – Oct 2009 |
| Saenz G-4-262255 | Everest Resource Company only | Miller & Fox (Hockley 4875) | Jim Wells | 1 | 1.52K | 404K | Jun 2011 – Oct 2018 |
| Scanio, Miguelita O-2-8630 | Acock/Anaqua Operating Co., LP only | Refugio-Fox (5800) | Refugio | 1 | 1.5K | 607 | Jun 2001 – Feb 2002 |
| Hynes, Jamie G-2-137068 | Dinero Oil Corporation only | Refugio-Fox (Kwa Sand) | Refugio | 1 | 1.49K | 122K | by Jan 1993 – Jul 1996 |
| Wright, Pink Unit G-6-142250 | Fair Oil, LC only | Green Fox (Travis Peak-Braden | Marion | 1 | 1.47K | 236K | Apr 1993 – Aug 1996 |
| Palafox 1029 G-1-273174 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 1.46K | 8.97M | Aug 2013 – Aug 2026 |
| Fox, W. J. 'A' G-2-269058 | Hilcorp Energy Company only | Hynes Ranch (F- 4) | Refugio | 1 | 1.43K | 61.4K | Jul 2012 – May 2013 |
| Palafox Unit G-4-170360 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 1.42K | 1.34M | Aug 1998 – Feb 2016 |
| Fox, Sallie G-9-85946 | King Energy Resources only | Sallie (Cisco) | Reagan | 1 | 1.39K | 991K | by Jan 1993 – Aug 2026 |
| Scanio, Miguelita G-2-280122 | Digital Operating Company LLC only | Refugio-Fox (6300 A) | Refugio | 1 | 1.32K | 81.9K | Nov 2015 – May 2020 |
| Thompson, J. A. G-4-45556 | Silver Fox Oil & Gas LLC only | Riverside (5200) | Nueces | 1 | 1.32K | 526K | by Jan 1993 – Oct 2016 |
| Palafox 39 H G-4-249442 | Lewis Petro Properties, Inc. only | Big Reef (Edwards) | Webb | 1 | 1.29K | 3.08M | Mar 2009 – Aug 2026 |
| Palafox 2182 8E G-4-181712 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 1.29K | 697K | Mar 2001 – Nov 2024 |
| Fox, W.J. G-2-162939 | Hilcorp Energy Company only | Refugio-Fox (4700) | Refugio | 1 | 1.26K | 134K | Feb 1997 – Jan 2007 |
| Lambert, M. F. G-2-159376 | Hilcorp Energy Company only | Refugio-Fox (5500) | Refugio | 1 | 1.25K | 474K | Jun 1996 – Jul 2004 |
| Miller "B" G-4-144765 | Silver Fox Oil & Gas LLC only | Riverside, East (7000 Frio) | Nueces | 1 | 1.23K | 19.4K | May 1993 – Jan 1994 |
| Miller G-4-180334 | Silver Fox Oil & Gas LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 1.21K | 46.2K | Jan 2001 – Jun 2001 |
| Thompson, J.A. G-4-132275 | Silver Fox Oil & Gas LLC only | Riverside, East (5200) | Nueces | 1 | 1.14K | 15K | by Jan 1993 – Jul 2014 |
| Palafox Exploration Co. -17- G-4-170545 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 1.12K | 971K | Sep 1998 – Jan 2026 |
| Palafox Unit G-4-181787 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 1.11K | 913K | Jan 2001 – Apr 2025 |
| Scanio, Miguelita G-2-200166 | Digital Operating Company LLC only | Refugio-Fox (6100) | Refugio | 1 | 1.05K | 233K | Nov 2003 – Dec 2025 |
| Foxall, Annie G-13-102861 | Eagleridge Operating, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 1.02K | 306K | by Jan 1993 – Nov 2023 |
| Palafox Exploration Co. -17- G-4-171674 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 1K | 1.23M | Dec 1998 – Feb 2026 |
| Fox Jeff-Fox Zina (SA) G-13-258405 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 993 | 2.15M | Nov 2010 – Aug 2026 |
| Palafox Unit G-4-174358 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 969 | 1.02M | Nov 1998 – Apr 2025 |
| Foxall, T. H. Unit G-13-76064 | Devon Energy Production Co, L.P. only | Boonsville (Bend Congl., Gas) | Wise | 1 | 942 | 211K | by Jan 1993 – Jun 2004 |
| Palafox 1335 G-1-269442 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 933 | 2.05M | Mar 2012 – Aug 2026 |
| Manuel, Rosalie O-6-13722 | Samedan Oil Corporation only | Green Fox, E. (Travis Peak) | Marion | 1 | 923 | 13K | Aug 1997 – Dec 1997 |
| Palafox State A2757 G-1-269731 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 897 | 3.57M | Jun 2012 – Aug 2026 |
| Palafox 2182 - 8 E G-4-170359 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 886 | 980K | Jul 1998 – Apr 2025 |
| Palafox Exploration Co. 2292 G-4-235897 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 861 | 459K | Jan 2008 – Mar 2025 |
| Fox G-13-249698 | Hawkbend LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 835 | 209K | Jun 2009 – Aug 2024 |
| Palafox-Unit G-4-170363 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 818 | 1.04M | Feb 1998 – Apr 2025 |
| Palafox Unit G-4-181786 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 812 | 860K | Dec 2000 – Mar 2025 |
| Palafox Explor. Co. -22- G-4-47596 | Fasken Oil and Ranch, Ltd. only | Gold River, North (Olmos) | Webb | 1 | 730 | 1.24M | by Jan 1993 – Aug 2026 |
| Palafox Exploration Co. 2292 G-4-247388 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 723 | 522K | Dec 2008 – May 2024 |
| Luby G-4-298113 | Cimarron Engineering, LLC only | Miller & Fox (Hockley 4875) | Jim Wells | 1 | 709 | 93.8K | Jun 2024 – Aug 2025 |
| Palafox Exploration Co. 110 G-4-235040 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 699 | 442K | Dec 2007 – May 2026 |
| Palafox Exploration Co. 2292 G-4-241740 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 688 | 356K | May 2008 – Mar 2025 |
| O'Connor, M V Est G-2-200495 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (5500) | Refugio | 1 | 688 | 220K | Dec 2003 – Jun 2010 |
| O'Brien-Harkins G-2-213467 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (6300) | Refugio | 1 | 680 | 96.1K | Sep 2005 – Aug 2006 |