| Cardenas, R.R. G-4-117431 | Mountain V Texas, LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 232K | 7.11M | Jan 1993 – Apr 2026 |
| Cardenas, R. R. G-4-142827 | Oryx Energy Company only | Frost (Vicksburg Mass.) | Starr | 1 | 55.6K | 2.87M | Jan 1993 – Mar 1996 |
| Cardenas, R. R. G-4-217423 | Mountain V Texas, LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 10.7K | 232K | Jan 2006 – Jul 2014 |
| Cardenas, R. R. G-4-162542 | Oryx Energy Company only | Frost, North (Vicksburg 7100) | Starr | 1 | 10.6K | 118K | Mar 1997 – Apr 1998 |
| Cardenas, R.R. G-4-126691 | Mountain V Texas, LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 6.21K | 652K | Jan 1993 – Sep 2002 |
| Cardenas, R. R. G-4-217412 | Mountain V Texas, LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 5.07K | 702K | Dec 2005 – Jun 2025 |
| Cardenas, R.R. G-4-220128 | Mountain V Texas, LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 4.99K | 728K | May 2006 – May 2017 |
| Cardenas, Josefa G-4-33078 | Lucky Lad Energy, LLC only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 3.42K | 572K | Jan 1993 – May 2021 |
| Cardenas, Josefa G-4-138788 | Tesoro E&P Company, L.P. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 1.8K | 605K | Jan 1993 – Dec 1997 |
| Cardenas, R. R. G-4-220927 | Mountain V Texas, LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 1.3K | 81.8K | Jun 2006 – Nov 2013 |
| Cardenas, Josefa G-4-139041 | Rincon Petroleum Corporation only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 1.19K | 328K | Jan 1993 – Dec 1997 |
| Cardenas, R.R. G-4-120599 | Oryx Energy Company only | Frost (Vicksburg Mass.) | Starr | 1 | 1.05K | 93.8K | Jan 1993 – Jan 1994 |
| Cardenas G-4-142556 | Texas Independent Explor., Inc. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 667 | 116K | Jan 1993 – May 1997 |
| Cardenas, J. -A- G-4-131761 | Rincon Petroleum Corporation only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 602 | 57.9K | Jan 1993 – Feb 1996 |
| Cardenas, R.R. G-4-124829 | Kerr-McGee Oil & Gas Onshore LP only | Frost (Vicksburg Mass.) | Starr | 1 | 581 | 32K | Jan 1993 – Jan 1995 |
| Cardenas, A.M. G-4-131541 | Southwest Oil & Land, Inc. only | San Salvador (6800) | Hidalgo | 1 | 467 | 67.4K | Jan 1993 – Jul 1995 |
| Cardenas, R.R. G-4-151880 | Mountain V Texas, LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 335 | 133K | Oct 1994 – Nov 2004 |
| Cardenas, A.M. et Al G-4-89769 | Devon Energy Production Co, L.P. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 318 | 593K | Jan 1993 – Dec 2011 |
| Cardenas, Jesus A. & Salvador J. G-4-13989 | Tesoro E&P Company, L.P. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 136 | 29.7K | Jan 1993 – Nov 1995 |
| Cardenas, R. R. G-4-168071 | Mountain V Texas, LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 101 | 6.96K | Apr 1998 – Jul 1998 |
| Cardenas O-4-7740 | Mueller Engineering Corp. only | Borosa, S. (FB W Frio 3830) | Starr | 1 | 0 | 0 | — |
| Cardenas, R. R. O-4-8206 | Mueller Engineering Corp. only | Borosa, S. (FB W Frio 4150) | Starr | 1 | 0 | 0 | — |
| Cardenas, R.R. O-4-10321 | Mueller Engineering Corp. only | Borosa, S. (Frio 5) | Starr | 1 | 0 | 0 | — |
| Cardenas, R. R. O-4-10782 | Mueller Engineering Corp. only | Borosa, South (4050) | Starr | 1 | 0 | 0 | — |
| Cardenas G-1-131425 | A&b Pipeline of Texas, Inc. only | Somerset | Bexar | 1 | 0 | 14.8K | Jan 1993 – Dec 1996 |
| Cardenas, R.R. O-4-12122 | Mueller Engineering Corp. only | Borosa, S. (FB W Frio 4330) | Starr | 1 | 0 | 0 | — |
| Cardenas G-1-131429 | A&b Pipeline of Texas, Inc. only | Somerset | Bexar | 1 | 0 | 6.84K | Jan 1993 – Dec 1996 |
| Cardenas G-1-131430 | A&b Pipeline of Texas, Inc. only | Somerset | Bexar | 1 | 0 | 5.48K | Jan 1993 – Dec 1996 |
| Cardenas G-1-131431 | A&b Pipeline of Texas, Inc. only | Somerset | Bexar | 1 | 0 | 3.06K | Jan 1993 – Dec 1996 |
| Cardenas, Jesus A. & Salvador G-4-14013 | Tesoro E&P Company, L.P. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 104K | Jan 1993 – Nov 1995 |
| Cardenas, Jesus A. & Salvador J. G-4-14032 | Tesoro E&P Company, L.P. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 0 | — |
| Cardenas, J. A. & S. J. G-4-32933 | Cody Energy LLC only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 15.5K | Nov 1993 – Feb 1996 |
| Cardenas, J. A. & S. J. G-4-32934 | Cody Energy LLC only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 0 | — |
| Cardenas, Josefa G-4-39773 | Tesoro E&P Company, L.P. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 0 | — |
| Cardenas, A.M. et Al G-4-85736 | Devon Energy Production Co, L.P. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 0 | — |
| Cardenas, A.M. et Al G-4-93683 | Southwest Oil & Land, Inc. only | San Salvador (8600) | Hidalgo | 1 | 0 | 89.7K | Jan 1993 – Apr 1995 |
| Cardenas, Josefa G-4-126830 | Tesoro E&P Company, L.P. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 18.3K | Jan 1993 – Dec 1997 |
| Cardenas, Josefa G-4-129820 | Tesoro E&P Company, L.P. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 271 | Jan 1993 – May 1993 |
| Cardenas, J. -A- G-4-131763 | Contract Energy, L.L.C. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 460K | Jan 1993 – May 1996 |
| Cardenas, Josefa G-4-140573 | Contract Energy, L.L.C. only | San Salvador (Consolidated Frio) | Hidalgo | 1 | 0 | 145K | Jan 1993 – Sep 1997 |
| Cardenas G-13-223875 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 503K | Sep 2006 – May 2018 |
| Cardenas G-13-239626 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 440K | Apr 2008 – Apr 2016 |
| Cardenas G-13-239655 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 319K | Apr 2008 – Sep 2011 |
| Cardenas-Pettit O-1-12567 | Dorris Petroleum, Inc. only | Wildcat | Bexar | 1 | 0 | 0 | — |
| Cardenas O-3-17126 | Sage Energy Company only | Giddings (Austin Chalk-3) | Fayette | 1 | 0 | 0 | — |