| Fina-Conoco Fee G-4-142605 | Merit Energy Company only | Rincon (Vicksburg Cons.) | Starr | 1 | 10.3K | 804K | by Jan 1993 – May 1998 |
| Fox, Zina GU 1 Deep G-13-228420 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 10.3K | 1.44M | Mar 2007 – Aug 2026 |
| Pinchback, Seawillow, Mrs. O-3-8722 | Tri City Oil Co., LLC only | Amelia (Marginulina 1) | Jefferson | 1 | 10.2K | 2.48K | by Jan 1993 – Aug 2026 |
| Petty, O. S. G-1-111185 | White Oak Operating Company LLC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 10.2K | 596K | by Jan 1993 – Feb 2016 |
| Davis, W. J. "A" G-4-186314 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 10.2K | 1.23M | Nov 2001 – Nov 2008 |
| Slick, T. B. Estate G-4-191565 | Totalfinaelf E&P USA Inc only | El Ebanito (Nicholson) | Starr | 1 | 10.2K | 782K | Aug 2001 – Aug 2002 |
| Bohach O-1-13551 | Pedeco, Inc. only | Marcelina Creek (Buda) | Wilson | 1 | 10.1K | 88 | Jan 1996 – Jun 1997 |
| Fina-Conoco Fee G-4-154171 | Merit Energy Company only | Rincon (Vicksburg Cons.) | Starr | 1 | 10.1K | 781K | Mar 1995 – Jul 2006 |
| De Tijerina, H. C. G-4-83024 | Remora Operating, LLC only | T.-C.-B. (Upper Frio Cons.) | Jim Wells | 1 | 10.1K | 256K | Mar 1993 – Sep 2011 |
| Trinity G-3-175394 | EOG Resources, Inc. only | Angelina (10700) | Jefferson | 1 | 10K | 357K | Jul 1999 – Jun 2000 |
| E.S.F. Brainard "W" O-14-6943 | Midgard Energy Company only | Mendota, NW. (Cherokee) | Hemphill | 1 | 10K | 193K | Nov 1993 – Mar 1996 |
| King Ranch Tijerina G-4-275312 | EOG Resources, Inc. only | T-C-B (Vxbg Consolidated) | Kleberg | 1 | 9.99K | 624K | Jun 2014 – Nov 2024 |
| Wilson, J. N. O-1-1719 | Klaeger Operating Company Ii,llc only | Taylor-Ina | Medina | 15 | 9.97K | 7 | by Jan 1993 – Aug 2026 |
| Nokota O-10-59677 | Petrolux Operating LLC only | Cardinal (Queen, W. ) | Pecos | 1 | 9.89K | 0 | Apr 2023 – Aug 2026 |
| Dixie Mortgage-Hopkins Gas Unit G-4-267662 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 9.87K | 653K | May 2012 – Aug 2026 |
| Bain G-3-178204 | Field Petroleum Corp. only | Rainoshek (Anomalina Sand) | Wharton | 1 | 9.8K | 628K | Mar 2000 – Feb 2015 |
| A.D.D. Corporation O-1-18305 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 1 | 9.77K | 2.86K | Aug 2014 – May 2022 |
| Gulley, M. E. O-6-11904 | Fina Oil & Chemical Company only | Bethany (Travis Peak-Gulley Sd.) | Panola | 1 | 9.76K | 29 | by Jan 1993 – Apr 1996 |
| Prairie Dog O-11-64539 | Finaly Resources LLC only | Levelland | Cochran | 2 | 9.76K | 2.48K | by Jan 1993 – Feb 2002 |
| Guzy O-2-7528 | Finaly Resources LLC only | Woods Cemetary (Wilcox 6550) | De Witt | 1 | 9.72K | 66 | Apr 1993 – Mar 2001 |
| Roy Cherryhomes F O-13-18694 | Great American Resources Inc. only | Marina-Mag (Conglomerate) | Jack | 8 | 9.71K | 120K | by Jan 1993 – Nov 2008 |
| Davis, W.J. G-4-79054 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 9.69K | 992K | by Jan 1993 – Jun 1999 |
| Slick, T.B. Estate G-4-155839 | Fina Oil & Chemical Company only | Hinde (Vicksburg 23) | Starr | 1 | 9.68K | 365K | Sep 1995 – Nov 1998 |
| Thoms -C- O-1-13517 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 1 | 9.64K | 795 | by Jan 1993 – Sep 2002 |
| Pharr Fieldwide Unit G-4-189838 | Totalfinaelf E&P USA Inc only | Pharr (Bond) | Hidalgo | 1 | 9.62K | 557K | Dec 2000 – Jun 2002 |
| Btlt G-4-256158 | Mountain V Texas, LLC only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 9.61K | 874K | Apr 2010 – Aug 2014 |
| Gates Ranch "W" G-1-184189 | White Oak Operating Company LLC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 9.59K | 315K | May 2001 – Oct 2012 |
| Mina O-6-15115 | TX Lone Star Operating Co, LLC only | Maydell (Woodbine) | Cherokee | 1 | 9.54K | 7.51K | Sep 2012 – Dec 2012 |
| Casares, A.K. O-1-11853 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 2 | 9.48K | 20 | Jan 1999 – Apr 2001 |
| McWilliams, Glenn O-1-6690 | Black Mac Oil, Inc. only | Taylor-Ina | Medina | 30 | 9.47K | 124 | by Jan 1993 – Sep 2023 |
| Biel, E. /Emil/ O-4-3712 | Finaly Resources LLC only | Biel (1000 Sand) | Webb | 8 | 9.42K | 21 | by Jan 1993 – Jan 2003 |
| Farms, I. P. G-3-155623 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou (Anamolina) | Brazoria | 1 | 9.39K | 929K | Aug 1995 – Apr 2003 |
| Aztec-Wilson A O-1-15683 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 10 | 9.36K | 0 | Jun 2011 – Aug 2026 |
| Petty, O. S. G-1-81579 | St. Mary Land & Exploration Co. only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 9.34K | 240K | by Jan 1993 – Aug 2006 |
| Reinhard Unit O-1-13873 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 3 | 9.3K | 20 | Jul 1994 – Mar 1999 |
| Piloncillo G-1-266973 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 9.28K | 241K | Mar 2012 – Aug 2026 |
| Eddie Lacina Unit O-3-26438 | Leexus Oil LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 9.24K | 18.8K | Jun 2011 – Jun 2026 |
| Pharr Fieldwide Unit G-4-157518 | Totalfinaelf E&P USA Inc only | Pharr (Marks) | Hidalgo | 1 | 9.23K | 420K | Mar 1995 – Feb 2001 |
| King Ranch Tijerina G-4-170886 | EOG Resources, Inc. only | T-C-B (Vxbg Consolidated) | Kleberg | 1 | 9.19K | 2.97M | Jun 1998 – Dec 2024 |
| Hopkins, M. A. Gas Unit G-4-124662 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 9.19K | 1.55M | Nov 1994 – Aug 2026 |
| Dovalina Gas Unit 1 G-2-266172 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 9.18K | 1.54M | Dec 2011 – Sep 2020 |
| Detijerina, H. C. O-4-3198 | Remora Operating, LLC only | Tijerina-Canales-Blucher | Jim Wells | 8 | 9.18K | 34.5K | Jan 1994 – Nov 2010 |
| Kallina G-2-256600 | Winn Exploration Co., Inc. only | Warmsley, S. (10550) | De Witt | 1 | 9.17K | 197K | Mar 2010 – Mar 2013 |
| Gates O TR2 G-1-282048 | Lewis Petro Properties, Inc. only | Catarina, SW. (Olmos) | Webb | 1 | 9.12K | 628K | Feb 2017 – Apr 2025 |
| Slick, T. B. Estate G-4-177304 | Totalfinaelf E&P USA Inc only | El Ebanito (Vicksburg 11) | Starr | 1 | 9.09K | 504K | Apr 2000 – Jan 2001 |
| Shelton, Ben O-2-9393 | Finaly Resources LLC only | Ben Shelton (6400) | Victoria | 1 | 9.03K | 28.3K | Sep 2009 – Sep 2019 |
| E. Riethmeyer Gas Unit G-4-219286 | STX Operating Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 9.02K | 3.1M | Mar 2006 – Aug 2026 |
| Petty Ranch G-1-174953 | White Oak Operating Company LLC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 9K | 473K | Nov 1999 – Feb 2016 |
| Salinas O-4-11247 | Strata Resources only | San Diego, SW (Cole) | Duval | 2 | 8.91K | 53 | by Jan 1993 – Jun 1997 |
| Roche "A" G-4-182469 | Finaly Resources LLC only | Encino (5650) | Refugio | 1 | 8.88K | 187K | Nov 2000 – Feb 2003 |