| Johnson "45" O-10-35635 | WPX Energy Permian, LLC only | Pinal Dome (Cherry Canyon) | Loving | 1 | 2.81K | 20.8K | Jan 1998 – Nov 2002 |
| Haas, Jean O-1-4802 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 1 | 2.81K | 21 | by Jan 1993 – Nov 2014 |
| Prosper Labus #2H O-1-12733 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 2.8K | 0 | Mar 1998 – Oct 1998 |
| Sabina Unit O-3-16941 | Dallas Petroleum Group, LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 2.79K | 4.75K | by Jan 1993 – Jan 1995 |
| Keirn, Pearl G-4-177519 | Totalfinaelf E&P USA Inc only | McAllen, South (Biedenharn 7630) | Hidalgo | 1 | 2.78K | 292K | Apr 2000 – Mar 2001 |
| Petty Ranch G-1-164527 | St. Mary Land & Exploration Co. only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 2.77K | 195K | Aug 1997 – Oct 2006 |
| Gates Ranch "B" G-1-140265 | Blackbrush O & G, Inc. only | Catarina, SW. (Olmos N-2) | Webb | 1 | 2.77K | 87.2K | by Jan 1993 – Jan 2005 |
| Phillips Btlt G-4-173428 | Samedan Oil Corporation only | Javelina, SW. (Vicksburg T) | Starr | 1 | 2.76K | 36.8K | Jun 1999 – Jul 1999 |
| Middleton, A. D. a/C 1 G-3-167571 | Texas Petroleum Investment Co. only | Anahuac, W. (Marginulina "A") | Chambers | 1 | 2.76K | 930K | Mar 1998 – Sep 1999 |
| Johnson, C. G. Gas Unit G-4-275885 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 2.76K | 1.15M | Jan 2015 – Aug 2026 |
| Dixie Mortgage-Pawelek Gas Unit G-4-68793 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 2.76K | 671K | by Jan 1993 – Sep 2021 |
| Salinas "A" G-4-160626 | Beehive Operating, LLC only | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 2.74K | 5.4M | Feb 1996 – Aug 2026 |
| Lacina, L.J. O-3-14382 | Exxon Corp. only | Giddings (Austin Chalk-3) | Burleson | 1 | 2.74K | 63.4K | by Jan 1993 – Mar 1996 |
| Brainard O-14-7381 | Strat Land Exploration Company only | Special (Atoka) | Hutchinson | 1 | 2.74K | 117K | Jul 2000 – Oct 2007 |
| Brainard "B" G-14-249856 | Mewbourne Oil Company only | Hansford (Morrow, Lower) | Hutchinson | 1 | 2.74K | 876K | Apr 2009 – Aug 2026 |
| Ebrom O-1-15170 | Britanco, L.L.C. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 2.74K | 0 | Apr 2010 – Oct 2021 |
| West McAllen G-4-157369 | Fina Oil & Chemical Company only | McAllen (6900) | Hidalgo | 1 | 2.72K | 1.06M | Jul 1995 – Dec 1996 |
| Sanchez, Angelina G-4-116686 | Valence Operating Company only | Picoso (Carrizo 7800) | Webb | 1 | 2.72K | 578K | by Jan 1993 – Jun 2010 |
| Friendship No. 4 Gas Unit G-3-211962 | Cimarex Energy Co. only | Angelina (12,060) | Jefferson | 1 | 2.72K | 1.34M | Aug 2005 – Sep 2007 |
| Ordner O-4-12124 | T. W. Oil Terminals, Inc. only | Minnie Bock | Nueces | 1 | 2.71K | 22 | by Jan 1993 – Oct 1994 |
| University 4 C O-10-25547 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 1 | 2.71K | 16.5K | by Jan 1993 – Nov 2009 |
| Clark, G. J. J. G-3-168795 | Rising Star Energy Partners II, only | Anahuac, W. (Marginulina "A") | Chambers | 1 | 2.7K | 1.45M | Jun 1998 – Apr 2002 |
| Grant, John M. Estate Gas Unit G-6-82720 | Luminant Mining Company LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 2.69K | 848K | by Jan 1993 – Apr 2018 |
| Slick, T. B. Estate G-4-139240 | Fina Oil & Chemical Company only | Hinde (Vicksburg 20) | Starr | 1 | 2.69K | 127K | by Jan 1993 – Apr 1995 |
| McAllen Fieldwide Unit G-4-171732 | Totalfinaelf E&P USA Inc only | McAllen (Card 7500, Upper) | Hidalgo | 1 | 2.69K | 130K | Nov 1998 – Apr 1999 |
| Fox, Zina GU 2 G-13-212600 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 2.68K | 1.61M | Jul 2005 – Aug 2026 |
| Bond, Floyd C. O-1-2975 | Ghiselli Oil, Inc. only | Taylor-Ina | Medina | 15 | 2.65K | 37 | by Jan 1993 – Apr 1998 |
| Welder, Patrick H. G-2-265973 | Finaly Resources LLC only | Welder Ranch (5300) | Calhoun | 1 | 2.65K | 375K | Nov 2011 – Apr 2015 |
| Fina Conoco Fee G-4-133901 | Total E&P USA, Inc. only | Frost, North (Ashby FB III) | Starr | 1 | 2.62K | 60K | by Jan 1993 – Jan 1994 |
| Fina-Conoco Fee G-4-132886 | Fina Oil & Chemical Company only | Frost, West (VX-Wood) | Starr | 1 | 2.62K | 130K | by Jan 1993 – Feb 1995 |
| Craft, J. D. G-13-173145 | Great American Resources Inc. only | Marina-Mag (Conglomerate) | Jack | 1 | 2.62K | 504K | May 1999 – Jul 2026 |
| Pharr Fieldwide Unit G-4-170388 | Fina Oil & Chemical Company only | Pharr (Reichert) | Hidalgo | 1 | 2.62K | 691K | Sep 1997 – May 1999 |
| Salinas G-4-216131 | Hilcorp Energy Company only | Roleta (Wilcox Consolidated) | Zapata | 1 | 2.61K | 421K | Jan 2006 – Aug 2026 |
| Petty Ranch G-1-173731 | Kerns O & G, Inc. only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 2.61K | 106K | Jul 1999 – Sep 2001 |
| De Tijerina, H.C. G-4-64301 | Freedom Energy, Inc. (I) only | Seeligson (Consolidated) | Jim Wells | 1 | 2.6K | 242K | by Jan 1993 – Feb 2001 |
| Downes, L.E. O-1-7293 | Oilex Int'l Investments, Inc. only | Taylor-Ina | Medina | 8 | 2.6K | 18 | by Jan 1993 – Jun 1998 |
| E. Riethmeyer Gas Unit G-4-232265 | STX Operating Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 2.59K | 1.01M | Aug 2007 – Nov 2011 |
| Craft "A" G-13-185859 | Great American Resources Inc. only | Marina-Mag (Conglomerate) | Jack | 1 | 2.59K | 171K | Apr 2001 – Jul 2026 |
| De Tijerina, H.C. G-4-78612 | Remora Operating, LLC only | T.-C.-B. (Upper Frio Cons.) | Jim Wells | 1 | 2.58K | 223K | by Jan 1993 – Jun 2007 |
| Borden, Z. H. G-13-100855 | Case Resources, LLC only | Marina-Mag(conglomerate Gas) | Jack | 1 | 2.58K | 183K | by Jan 1993 – Jul 2026 |
| McCutcheon O-10-29381 | Finaly Resources LLC only | Kermit | Winkler | 1 | 2.58K | 21K | by Jan 1993 – Aug 1997 |
| Detijerina, H. C. G-4-63927 | Remora Operating, LLC only | T.-C.-B. (Upper Frio Cons.) | Jim Wells | 1 | 2.58K | 362K | by Jan 1993 – Aug 2026 |
| Briscoe -A- G-1-79829 | Crimson Energy Company, LC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 2.57K | 93.4K | by Jan 1993 – Aug 2002 |
| Lina -AH- G-14-21973 | Courson Oil & Gas, Inc. only | Ellis Ranch (Morrow, Upper) | Ochiltree | 1 | 2.56K | 761K | by Jan 1993 – Aug 2026 |
| South Dubina Oil Unit #4 O-3-22373 | Market Street Energy, Inc. only | Dubina, South (Wilcox 5860) | Colorado | 1 | 2.56K | 8.38K | Apr 1994 – Nov 1997 |
| Midyett-Gulley G-6-147452 | Fina Oil & Chemical Company only | Midyett (Cotton Valley Upper) | Panola | 1 | 2.56K | 71.2K | May 1993 – Feb 1995 |
| Briscoe Ranch G-1-84358 | Rosetta Resources Operating LP only | Catarina, SW. (Olmos) | Dimmit | 1 | 2.55K | 140K | by Jan 1993 – Nov 2012 |
| Winans Living Trust "B" O-1-10804 | Southwest Loop 1604, Ltd. only | Somerset | Atascosa | 3 | 2.55K | 44 | by Jan 1993 – Mar 2009 |
| Gruss-Chandler O-1-11862 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 2.53K | 302 | by Jan 1993 – Oct 1999 |
| Slaughter Estate "J" O-11-67120 | Finaly Resources LLC only | Levelland | Cochran | 1 | 2.52K | 7.54K | Jul 1993 – Apr 1998 |