| D.C.R.C. Section 55 O-4-10583 | Caribbean Energy LLC II only | Colmena | Duval | 4 | 83.3K | 20 | Jan 1993 – Jul 2026 |
| D.C.R.C. O-4-8256 | Kebo Oil & Gas, Inc. only | Charamousca (Wilcox 5400, E.) | Duval | 2 | 51.2K | 2.72K | Jan 1993 – Jul 2026 |
| D.C.R.C.-State Tendido O-4-12230 | Trace Operating, LLC only | Ellie C. (Wilcox) | Duval | 1 | 25.2K | 895K | May 1993 – Mar 2019 |
| D.C.R.C. O-4-12634 | Production Resources, Inc. only | Petrox (Frio 1200 -B-) | Duval | 1 | 16.8K | 0 | Dec 1996 – Jul 2026 |
| D.C.R.C. Sec. 205 O-4-11047 | Southwest Royalties, Inc. only | Petrox, N. (Frio 1250) | Duval | 1 | 15.6K | 21 | Jan 1993 – Jul 2026 |
| D.C.R.C. Section 274 O-4-13701 | Dewbre, Jerry C., Trustee only | Arnold-Mulle (Mirando, UP) | Duval | 3 | 14K | 0 | Mar 2012 – Jul 2026 |
| D.C.R.C.-Section 295 O-4-13761 | Mountain V Texas, LLC only | Charamousca, South | Duval | 2 | 13.5K | 0 | Jan 2013 – Jul 2026 |
| D.C.R.C. MF NCT-83 O-4-8796 | Encino Exploration, Inc. only | Sarnosa, West | Duval | 7 | 3.01K | 49 | Jan 1993 – Jul 2026 |
| D.C.R.C. O-4-12614 | Tana Oil and Gas Corporation only | Petrox (1970) | Duval | 1 | 943 | 0 | Jul 1996 – Oct 1999 |
| D.C.R.C. G-4-143566 | Remora Operating, LLC only | Petrox (Wilcox Basal House) | Duval | 1 | 0 | 895K | Jan 1993 – Jul 2026 |
| D.C.R.C. G-4-143568 | Axio Production Company, L.P. only | Petrox (Wilcox Sand 5) | Duval | 1 | 0 | 409K | Jan 1993 – Apr 2005 |
| D.C.R.C. G-4-143902 | Remora Operating, LLC only | Petrox (Wilcox Basal House) | Duval | 1 | 0 | 660K | Jan 1993 – Jul 2026 |
| D.C.R.C. G-4-144234 | Remora Operating, LLC only | Petrox (Wilcox Basal House) | Duval | 1 | 0 | 6.61M | Jan 1993 – Jul 2026 |
| D.C.R.C. G-4-144348 | Axio Production Company, L.P. only | Petrox (Wilcox Sand 5) | Duval | 1 | 0 | 386K | Jan 1993 – Jun 2005 |
| D.C.R.C. Survey 209 G-4-149696 | Exxon Corp. only | Government Wells, N. (11500) | Duval | 1 | 0 | 27.5K | Mar 1994 – Feb 1996 |
| D.C.R.C. Survey 209 G-4-158120 | Exxon Corp. only | Government Wells, N. ( Wilcox) | Duval | 1 | 0 | 1 | Feb 1996 – Jun 1997 |
| D.C.R.C. Section 262N G-4-163545 | Killam Oil Co., Ltd. only | Hagist Ranch ( 750) | Duval | 1 | 0 | 23.6K | Apr 1997 – Jul 2026 |
| D.C.R.C. 196 NCT-12 G-4-168405 | Killam Oil Co., Ltd. only | Wildcat | Duval | 1 | 0 | 71.6K | Mar 1998 – Sep 1999 |
| D.C.R.C. 196 NCT-12 G-4-171637 | Killam Oil Co., Ltd. only | Freer Ranch (3RD Queen City) | Duval | 1 | 0 | 392K | Nov 1998 – Jan 2014 |
| D.C.R.C. 196 NCT-12 G-4-175116 | Killam Oil Co., Ltd. only | Freer Ranch (4TH Queen City) | Duval | 1 | 0 | 188K | Oct 1999 – Apr 2003 |
| D.C.R.C. 196 NCT-12 G-4-175747 | Killam Oil Co., Ltd. only | Tiger (Queen City) | Duval | 1 | 0 | 251K | Oct 1999 – Apr 2006 |
| D.C.R.C. G-4-176735 | Rodessa Operating Company only | BF Luck (6TH Hinnant) | Duval | 1 | 0 | 797K | Sep 1999 – Jul 2026 |
| D.C.R.C. G-4-177386 | Saxet Energy, Ltd. only | Government Wells,n.(chernosky) | Duval | 1 | 0 | 7.67K | May 2000 – Apr 2002 |
| D.C.R.C.-State Tendido G-4-222446 | Black Gold Operating Co, LLC only | Ellie C. (Wilcox) | Duval | 1 | 0 | 42.8K | Jul 2006 – Jul 2026 |
| D.C.R.C. -T- O-4-8640 | Gulftex Energy, LLC only | Petrox (Frio 1200 "C") | Duval | 1 | 0 | 0 | Jan 1993 – Nov 2010 |
| D.C.R.C. Sec 204 O-4-11389 | Production Resources, Inc. only | Petrox (Government Wells) | Duval | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| D.C.R.C. O-4-12489 | Harvey Brothers Oil & Gas only | Wildcat | Duval | 1 | 0 | 0 | Dec 1993 – Nov 1997 |
| D.C.R.C. O-4-12501 | L.T.D. Explorations Inc. only | Charamousca | Duval | 1 | 0 | 0 | Aug 1995 – Aug 2019 |
| D.C.R.C. 101F O-4-12704 | Union Pacific Resources Company only | Moca | — | 0 | 0 | 0 | Mar 1997 – Mar 1997 |
| D.C.R.C. O-4-12718 | Wallis Energy, Inc. only | Charamousca, West (3350) | Duval | 1 | 0 | 0 | Sep 1997 – Aug 2009 |
| D.C.R.C. - Sec. 204 G-4-54933 | Remora Operating, LLC only | Petrox (Wilcox 7100) | — | 1 | 0 | 530K | Jan 1993 – Jul 2026 |
| D.C.R.C. Section 190 O-4-13573 | Dewbre, Jerry C., Trustee only | Cedro Hill | Duval | 1 | 0 | 0 | Oct 2009 – Oct 2010 |
| D.C.R.C. Section 88 O-4-13582 | Dewbre, Jerry C., Trustee only | Wildcat | Duval | 1 | 0 | 0 | Nov 2009 – Feb 2022 |
| D.C.R.C. Section 64 O-4-13632 | Dewbre, Jerry C., Trustee only | Govt. Wells, N. | Duval | 2 | 0 | 0 | Aug 2010 – Jul 2026 |
| D.C.R.C. Section 300 O-4-13437 | Dewbre, Jerry C., Trustee only | Wildcat | Duval | 1 | 0 | 0 | May 2007 – Aug 2009 |
| D.C.R.C. Sec. 201 G-4-57089 | Southwest Royalties, Inc. only | Petrox (Wilcox 7100) | Duval | 1 | 0 | 0 | Jan 1993 – Jan 2013 |
| 262 D.C.R.C. G-4-60954 | Central Texas Operating, Inc. only | D C R 79, South (1900) | — | 1 | 0 | 0 | Jan 1993 – Jun 2011 |
| D.C.R.C. Sec. 49 G-4-62976 | Duval County Ranch Co. only | Colmena (Frio 1200) | — | 1 | 0 | 0 | Jan 1993 – Nov 2005 |
| D.C.R.C. G-4-122572 | Manley, John D. III, Oper., Inc only | Charamousca (Wilcox 5450) | Duval | 1 | 0 | 18K | Jan 1993 – Jul 1998 |
| D.C.R.C. G-4-133850 | Remora Operating, LLC only | Petrox (Wilcox Basal House) | Duval | 1 | 0 | 1.44M | Jan 1993 – Jul 2026 |
| Mobil - D.C.R.C. G-4-135217 | Harvey Brothers Oil & Gas only | Rowden, N. (Govt. Wells, Lower) | Duval | 1 | 0 | 141K | Jan 1993 – Jun 1996 |
| D.C.R.C. G-4-142430 | Remora Operating, LLC only | Petrox (Wilcox Basal House) | Duval | 1 | 0 | 106K | Jan 1993 – Jul 2026 |
| D.C.R.C. G-4-142523 | Chesapeake Operating, Inc. only | Petrox (Wilcox Basal House) | Duval | 1 | 0 | 176K | Jan 1993 – Aug 2006 |