| Scanio, Miguelita G-2-233636 | Digital Operating Company LLC only | Refugio-Fox (6750) | Refugio | 1 | 180K | 552K | Mar 2007 – Feb 2022 |
| Shelton G-2-208006 | Neumin Production Company only | Refugio-Fox (5500) | Refugio | 1 | 78.4K | 144K | Dec 2004 – Oct 2009 |
| Miguelita Scanio G-2-244399 | Acock/Anaqua Operating Co., LP only | Refugio-Fox (6600) | Refugio | 1 | 72.3K | 175K | Oct 2008 – Jan 2019 |
| Scanio, Miguelita G-2-207964 | Digital Operating Company LLC only | Refugio-Fox (6600) | Refugio | 1 | 23.6K | 253K | Nov 2004 – May 2020 |
| Tract 72 G-2-150100 | Kebo Oil & Gas, Inc. only | Refugio-Fox (6400) | Refugio | 1 | 18.4K | 1.28M | Mar 1994 – Dec 2014 |
| Scanio, Miguelita G-2-179352 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (6500) | Refugio | 1 | 11.5K | 56.6K | Jul 2000 – Mar 2001 |
| Miguelita Scanio G-2-269669 | Digital Operating Company LLC only | Refugio-Fox (6600) | Refugio | 1 | 9.15K | 255K | Nov 2012 – Mar 2018 |
| Fox, W. J. -A- G-2-271692 | Hilcorp Energy Company only | Refugio-Fox (6600) | Refugio | 1 | 5.98K | 249K | Sep 2013 – Dec 2017 |
| W. J. Fox "A" G-2-247184 | Hilcorp Energy Company only | Hynes Ranch (7000) | Refugio | 1 | 2.32K | 49.5K | Apr 2009 – Jul 2009 |
| Fox, C.P. G-2-151058 | Acock Engineering & Assoc., Inc. only | Refugio-Fox (3500) | Refugio | 1 | 1.8K | 249K | Aug 1994 – Jan 2002 |
| Fox, W. J. "A" G-2-217699 | Hilcorp Energy Company only | Hynes Ranch (FE-95) | Refugio | 1 | 1.71K | 226K | Nov 2005 – Nov 2006 |
| Hynes, Jamie G-2-137068 | Dinero Oil Corporation only | Refugio-Fox (Kwa Sand) | Refugio | 1 | 1.49K | 122K | by Jan 1993 – Jul 1996 |
| 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 |
| Scanio, Miguelita G-2-280122 | Digital Operating Company LLC only | Refugio-Fox (6300 A) | Refugio | 1 | 1.32K | 81.9K | Nov 2015 – May 2020 |
| 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 |
| Scanio, Miguelita G-2-200166 | Digital Operating Company LLC only | Refugio-Fox (6100) | Refugio | 1 | 1.05K | 233K | Nov 2003 – Dec 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 |
| Scanio, M "A" G-2-132955 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (6220) | Refugio | 1 | 605 | 25K | by Jan 1993 – Aug 1995 |
| W. J. Fox "A" G-2-254801 | Hilcorp Energy Company only | Hynes Ranch (6840) | Refugio | 1 | 581 | 112K | Dec 2009 – Feb 2011 |
| Scanio, M. G-2-185221 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (6300 A) | Refugio | 1 | 540 | 96.4K | Sep 2001 – Jun 2004 |
| Lambert, M. F. G-2-83972 | Pennzoil Exploration & Prod. Co. only | Refugio-Fox (5000) | Refugio | 1 | 463 | 155K | by Jan 1993 – Dec 1994 |
| Fox, C. P. G-2-144223 | Acock Engineering & Assoc., Inc. only | Refugio-Fox (6400) | Refugio | 1 | 463 | 32.4K | by Jan 1993 – Jul 1994 |
| Scanio, M "B" G-2-114263 | Acock/Anaqua Operating Co., LP only | Refugio-Fox (4900) | Refugio | 1 | 406 | 421K | by Jan 1993 – Nov 2018 |
| Scanio, Miguelita G-2-132936 | Acock/Anaqua Operating Co., LP only | Refugio-Fox (6300 A) | Refugio | 1 | 371 | 363K | by Jan 1993 – Mar 2013 |
| Fox, Cora G-2-145099 | Slack Oil & Gas only | Fagan (5830) | Refugio | 1 | 314 | 50.2K | Apr 1993 – Dec 1993 |
| Lambert, M. F. G-2-151991 | Pennzoil Exploration & Prod. Co. only | Refugio-Fox (5830) | Refugio | 1 | 306 | 50.7K | Oct 1994 – Mar 1995 |
| Shelton, N. G-2-192648 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (5200) | Refugio | 1 | 272 | 216K | Dec 2002 – Jul 2004 |
| Miguelita Scanio G-2-284790 | Digital Operating Company LLC only | Refugio-Fox (3300) | Refugio | 1 | 194 | 57.5K | Sep 2016 – Aug 2022 |
| Lambert, M. F. G-2-146091 | Hilcorp Energy Company only | Refugio-Fox (2600) | Refugio | 1 | 178 | 659K | Jul 1993 – Nov 1999 |
| Fox, W. J. G-2-3898 | Anderson Oil Ltd. only | Refugio-Fox (5000) | Refugio | 1 | 171 | 310K | by Jan 1993 – Aug 2012 |
| Lambert G-2-143513 | Bagnall & Barber, Inc. only | Refugio-Fox (6600) | Refugio | 1 | 150 | 788 | by Jan 1993 – Feb 1993 |
| Miguelita Scanio G-2-185226 | Paloma Operating, LLC only | Refugio-Fox (6220) | Refugio | 1 | 134 | 130K | May 2001 – Apr 2009 |
| Fox, W. J. G-2-180672 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (3940) | Refugio | 1 | 93 | 60.9K | Aug 2000 – Jul 2001 |
| O'Brien-Harkins G-2-222635 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (1600) | Refugio | 1 | 82 | 52.6K | Sep 2006 – Jun 2010 |
| Lambert, M. F. "H" G-2-162431 | Pennzenergy Exp. & Prod., L.L.C. only | Refugio-Fox (2550) | Refugio | 1 | 82 | 288K | Nov 1996 – May 1998 |
| O'Brien-Harkins G-2-197271 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (5000) | Refugio | 1 | 73 | 100K | Jul 2003 – Oct 2007 |
| Miguelita Scanio G-2-290745 | Digital Operating Company LLC only | Refugio-Fox (6450 Stringer) | Refugio | 1 | 52 | 5.8K | Nov 2020 – Oct 2022 |
| Lambert M. F. G-2-159373 | Devon Energy Production Co, L.P. only | Refugio-Fox (3050) | Refugio | 1 | 50 | 731K | Jul 1996 – Apr 2000 |
| W. J. Fox 'A' G-2-274398 | Hilcorp Energy Company only | Hynes Ranch (7160) | Refugio | 1 | 33 | 930 | Feb 2015 – Feb 2015 |
| Lambert-Rose G-2-262874 | Hilcorp Energy Company only | Refugio-Fox (1675) | Refugio | 1 | 23 | 215K | Aug 2011 – May 2014 |
| Lambert, M. F. G-2-183403 | Hilcorp Energy Company only | Refugio-Fox (1675) | Refugio | 1 | 15 | 12.6K | Mar 2001 – Mar 2005 |
| O'Connor, M. V Est G-2-204867 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (6700) | Refugio | 1 | 10 | 58K | Feb 2004 – Mar 2007 |
| Lambert, M. F. G-2-152955 | Pennzoil Exploration & Prod. Co. only | Refugio-Fox (3300) | Refugio | 1 | 10 | 99.6K | Jan 1995 – Dec 1995 |
| Fox, W. J. G-2-179365 | Cummins & Walker Oil Co., Inc. only | Refugio-Fox (6500) | Refugio | 1 | 3 | 9.37K | Apr 2000 – Jul 2000 |
| W. J. Fox 'A' G-2-272306 | Hilcorp Energy Company only | Refugio-Fox (4700) | Refugio | 1 | 0 | 37.6K | Nov 2013 – Dec 2014 |
| W. J. Fox 'A' G-2-273209 | Hilcorp Energy Company only | Refugio-Fox (3940) | Refugio | 1 | 0 | 123K | Apr 2014 – Feb 2022 |
| Fox, W. J. "A" G-2-207253 | Hilcorp Energy Company only | Refugio-Fox (1675) | Refugio | 1 | 0 | 0 | — |
| Fox, W. J. "B" G-2-228277 | Hilcorp Energy Company only | Greta (L- 5-A) | Refugio | 1 | 0 | 211K | May 2007 – Jan 2019 |