| Irwin, John R. O-1-6108 | Nails Operating Company LLC only | Taylor-Ina | Medina | 1 | 1.76K | 21 | by Jan 1993 – Jun 2013 |
| Price, C.S. et al Unit G-6-181026 | Luminant Mining Company LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.76K | 680K | Jan 2001 – Jun 2012 |
| Tijerina G-4-261620 | Hughes, Dan A. Company, L.P. only | Bloomberg (Frio 3900) | Hidalgo | 1 | 1.75K | 386K | Jun 2011 – Sep 2015 |
| Briscoe Ranch G-1-77756 | Rosetta Resources Operating LP only | Catarina, SW. (Olmos) | Dimmit | 1 | 1.75K | 140K | by Jan 1993 – Dec 2012 |
| Briscoe Ranch G-1-57980 | Rosetta Resources Operating LP only | Catarina, SW. (Olmos) | Dimmit | 1 | 1.75K | 331K | by Jan 1993 – Jan 2014 |
| De Jijerina, H.C. G-4-133463 | Chesapeake Operating, Inc. only | T-C-B (Vxbg Consolidated) | Jim Wells | 1 | 1.75K | 129K | by Jan 1993 – Mar 1998 |
| Roquemore G.U. G-6-136985 | Fina Oil & Chemical Company only | Deberry (Cotton Valley Lower) | Panola | 1 | 1.75K | 97.5K | by Jan 1993 – May 1995 |
| Gates Ranch G-1-61257 | Lewis Petro Properties, Inc. only | Catarina, SW. (Olmos) | Dimmit | 1 | 1.74K | 121K | by Jan 1993 – Jan 2016 |
| Rochen, Richard O-1-9637 | Riggs, Don R. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 1.73K | 13 | by Jan 1993 – Jan 1994 |
| Petty Ranch G-1-173844 | White Oak Operating Company LLC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 1.72K | 496K | Apr 1999 – Feb 2016 |
| Petty Ranch G-1-174327 | White Oak Operating Company LLC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 1.7K | 413K | Aug 1999 – Feb 2016 |
| Lina -C- G-14-146896 | Phillips Petroleum Company only | Wolf Creek (Kinderhook-Hunton) | Ochiltree | 1 | 1.7K | 248K | Mar 1993 – Dec 1994 |
| Gates Ranch G-1-83204 | Lewis Petro Properties, Inc. only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 1.67K | 274K | by Jan 1993 – Jul 2024 |
| Salinas, Octavio Gas Unit G-4-151289 | Fran Investments, Inc. only | La Perla (Lobo Cons.) | Zapata | 1 | 1.65K | 508K | Sep 1994 – Jul 2012 |
| Kinabrew, W. R. O-5-2990 | Premium Exploration Company only | Kinabrew (Rodessa) | Henderson | 1 | 1.64K | 28 | by Jan 1993 – Oct 1995 |
| Hitzfelder, Amos & Margaret O-1-5701 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 2 | 1.64K | 21 | by Jan 1993 – Sep 2004 |
| Wilber G-3-154107 | Samedan Oil Corporation only | Hamshire, W. (Marginulina 8700) | Jefferson | 1 | 1.63K | 584K | Jun 1995 – May 1996 |
| Christian, Woods G-4-100740 | Fina Oil & Chemical Company only | Guadalupe (Vicksburg, Lo. Siesta | Hidalgo | 1 | 1.62K | 91.3K | May 1993 – Dec 1996 |
| Ina Fisher 25 O-10-46393 | Conocophillips Company only | Rialto (Devonian) | Andrews | 1 | 1.62K | 0 | Mar 2015 – Jan 2016 |
| Bego Gas Unit G-2-167037 | Cody Energy LLC only | Bego (Wilcox Tina) | Goliad | 1 | 1.62K | 141K | Jan 1998 – Mar 1998 |
| Pina G-4-276879 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.61K | 935K | May 2016 – Aug 2026 |
| Brainard G-14-153754 | Mewbourne Oil Company only | Hansford (Morrow, Lower) | Hutchinson | 1 | 1.61K | 639K | Apr 1995 – Aug 2026 |
| State Tract 169 G-4-153863 | Fina Oil & Chemical Company only | Bird Island (12-H) | Kleberg | 1 | 1.6K | 250K | Mar 1995 – Dec 1995 |
| Pharr Fieldwide Unit G-4-61727 | Fina Oil & Chemical Company only | Pharr (Marks) | Hidalgo | 1 | 1.6K | 192K | by Jan 1993 – Aug 1995 |
| Petty Ranch G-1-185060 | White Oak Operating Company LLC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 1.59K | 187K | Sep 2001 – Feb 2016 |
| Angelina Lumber Co. "A" G-6-226752 | Palmer Petroleum Inc. only | Redland, NE (Travis Peak) | Angelina | 1 | 1.59K | 176K | Feb 2007 – Nov 2012 |
| Petty, O. S. G-1-130356 | White Oak Operating Company LLC only | Catarina, SW. (Olmos N-3 Stray) | Webb | 1 | 1.59K | 276K | by Jan 1993 – Feb 2016 |
| Gates Ranch B 1996 G-1-114013 | White Oak Operating Company LLC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 1.58K | 500K | by Jan 1993 – Oct 2012 |
| Nail 65 O-8-13317 | Jacobs, C. E., Co. only | Regina (Miss) | Shackelford | 2 | 1.55K | 1.62K | by Jan 1993 – Jul 1996 |
| Canales, E.G. O-4-12757 | Kerr-McGee Corporation only | Tijerina-Canales-Blucher ( 7800) | Kleberg | 1 | 1.55K | 2.02K | Mar 1998 – Mar 1998 |
| Biry, Frank O-1-6405 | 907 Oil LLC only | Taylor-Ina | Medina | 2 | 1.52K | 14 | by Jan 1993 – Jul 2026 |
| Salinas, G. G. G-4-233142 | Hilcorp Energy Company only | Roleta (Wilcox Consolidated) | Zapata | 1 | 1.52K | 1.91M | Aug 2007 – Aug 2026 |
| Kollodziej O-1-11561 | Frio SWD, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 1.52K | 34 | by Jan 1993 – May 1996 |
| Davis, M. A. G-4-186041 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 1.52K | 664K | Jun 2001 – Aug 2026 |
| Canales, E. G. O-4-12777 | Kerr-McGee Corporation only | Tijerina-Canales-Blucher ( 8500) | Kleberg | 1 | 1.51K | 22.7K | May 1998 – Sep 1998 |
| Hopkins, M. A. Gas Unit G-4-259474 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 1.51K | 132K | Feb 2011 – Aug 2026 |
| Ramey, Alex G-4-150561 | Fina Oil & Chemical Company only | Cano-Mexico (5100) | Hidalgo | 1 | 1.51K | 251K | May 1994 – Sep 1996 |
| State Slick "D" G-4-166981 | Fina Oil & Chemical Company only | Borosa, South (Vicksburg 7200) | Starr | 1 | 1.5K | 453K | Apr 1997 – Sep 1999 |
| Ferguson, Belle Gas Unit G-4-134204 | Fina Oil & Chemical Company only | Belle Ferguson (L-2) | Hidalgo | 1 | 1.5K | 163K | by Jan 1993 – Jul 1996 |
| Gates Ranch "W" G-1-178558 | Kerns O & G, Inc. only | Catarina, SW. (Olmos) | Webb | 1 | 1.5K | 62.6K | Jun 2000 – Apr 2001 |
| Canales, A. T. O-4-8053 | Remora Operating, LLC only | Tijerina-Canales-Blucher | Jim Wells | 2 | 1.49K | 18.1K | by Jan 1993 – Jun 1994 |
| Chapa, David G-4-134215 | Fina Oil & Chemical Company only | Tabasco (O Seg 2) | Hidalgo | 1 | 1.48K | 189K | by Jan 1993 – May 1996 |
| Gates Ranch G-1-71943 | Lewis Petro Properties, Inc. only | Catarina, SW. (Olmos) | Dimmit | 1 | 1.47K | 144K | by Jan 1993 – Jan 2016 |
| Detijerina,h.c. G-4-58645 | Remora Operating, LLC only | T.-C.-B. (Upper Frio Cons.) | Jim Wells | 1 | 1.46K | 348K | Mar 2003 – Aug 2026 |
| Werner, Fina "B" G-6-179168 | TGNR East Texas II LLC only | Carthage, North (Cotton Valley) | Panola | 1 | 1.46K | 709K | Sep 2000 – Mar 2015 |
| Scharf, Kurt O-1-12453 | Wetzel Oil Company only | Taylor-Ina | Medina | 3 | 1.45K | 37 | by Jan 1993 – Jan 1997 |
| Brainard, Bud G-14-70072 | Dalf Energy LLC only | Willow Creek (Morrow Upper) | Roberts | 1 | 1.45K | 586K | by Jan 1993 – Oct 2018 |
| Slick, T.B. Estate O-4-12548 | Fina Oil & Chemical Company only | Borosa,s. (Frio 11) | Starr | 1 | 1.45K | 75.3K | Feb 1996 – Apr 1996 |
| Roquemore "E" G-6-158536 | Totalfinaelf E&P USA Inc only | Bethany (Travis Peak Cons.) | Panola | 1 | 1.44K | 836K | Mar 1996 – Jan 2001 |
| Brainard -B- G-14-31899 | Sand Springs Oil & Gas Co. only | Canadian, West (Morrow Upper) | Hemphill | 1 | 1.43K | 458K | by Jan 1993 – Dec 2005 |