| Lowry-Hill O-4-13736 | Dewbre Petroleum Corporation only | Bishop, West (King) | Nueces | 2 | 183K | 81.9K | Aug 2012 – Aug 2026 |
| Gordon Heirs O-2-9119 | Dewbre Petroleum Corporation only | Borchers, North (8050) | Lavaca | 1 | 178K | 46.2K | Jan 2007 – Aug 2026 |
| Peeler Ranch O-1-15472 | Dewbre Petroleum Corporation only | Eagleville (Eagle Ford-1) | Atascosa | 2 | 141K | 38.1K | Mar 2011 – Aug 2026 |
| Thomas Oil Unit O-4-13963 | Dewbre Petroleum Corporation only | Riggan (F-8) | Willacy | 1 | 140K | 77.4K | Jun 2014 – Aug 2026 |
| Anna Mae Oil Unit O-4-12344 | Dewbre Petroleum Corporation only | Shepherd (5300) | Hidalgo | 1 | 111K | 3.81K | May 1994 – Apr 2002 |
| Duffy -A- O-3-9638 | Dewbre Petroleum Corporation only | Duffy, South (6980) | Wharton | 1 | 110K | 72 | by Jan 1993 – Aug 2026 |
| Garcia, J.A. et Al O-4-12493 | Dewbre Petroleum Corporation only | Bloomberg (Patty) | Hidalgo | 3 | 93.6K | 176K | Aug 1995 – Aug 2026 |
| Flinn, F.E. O-4-11325 | Dewbre Petroleum Corporation only | Clara Driscoll, S. (5040) | Nueces | 2 | 86.3K | 21 | by Jan 1993 – Jun 2014 |
| Klimitchek O-2-9178 | Dewbre Petroleum Corporation only | Borchers, North (8050) | Lavaca | 1 | 85.8K | 28K | Jan 2008 – Sep 2020 |
| Obrien,j.m.,-A- East 101 Ac. 6 O-2-3992 | Dewbre Petroleum Corporation only | Greta (4400) | Refugio | 4 | 76.5K | 46.6K | by Jan 1993 – Aug 2026 |
| Gueera Gas Unit O-4-13522 | Dewbre Petroleum Corporation only | Arrowhead (Alh Sand) | Hidalgo | 1 | 70.8K | 0 | Sep 2008 – Apr 2021 |
| Dewbre, Walter O-13-28640 | Eagleridge Operating, LLC only | Morris (Consolidated Congl.) | Wise | 3 | 68.4K | 164K | May 1993 – Oct 2018 |
| Bentsen Bros O-4-163 | Dewbre Petroleum Corporation only | Arrowhead | Hidalgo | 3 | 64K | 21.7K | Jul 2005 – Aug 2026 |
| Duval Ranch, Sec. #100, a/C 2 O-4-2112 | Dewbre, Jerry C., Trustee only | Piedre Lumbre | Duval | 6 | 57.2K | 21 | by Jan 1993 – Mar 2015 |
| Drawe, W. H. O-4-10288 | Dewbre Petroleum Corporation only | Capisallo (8600) | Hidalgo | 1 | 53.3K | 3.35K | by Jan 1993 – Aug 2026 |
| Duval State Section 64 O-4-2876 | Dewbre, Jerry C., Trustee only | Seventy-Six, West | Duval | 4 | 52.9K | 21 | by Jan 1993 – Nov 2018 |
| Crites, Eda O-4-9694 | Dewbre Petroleum Corporation only | Midway, S. (Dubose) | San Patricio | 1 | 43.9K | 202K | by Jan 1993 – Jul 2021 |
| Thomson-Barrow O-2-8790 | Dewbre Petroleum Corporation only | Massingill, W. (Chamberlain) | Bee | 1 | 42K | 0 | May 2003 – Aug 2013 |
| Peeler Ranch B O-1-17494 | Dewbre Petroleum Corporation only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 39.2K | 810 | Apr 2014 – Aug 2026 |
| Schonefeld -B- O-4-5987 | Dewbre Petroleum Corporation only | May (5 Sand, Middle) | Kleberg | 1 | 38.7K | 99.2K | by Jan 1993 – May 2002 |
| Rives O-2-7221 | Dewbre Petroleum Corporation only | Person (Edwards) | Karnes | 1 | 38.5K | 34.8K | by Jan 1993 – Jan 2002 |
| Rackley-Rutland O-4-10495 | Dewbre Petroleum Corporation only | Clara Driscoll, S. (5040) | Nueces | 1 | 29.5K | 7.12K | by Jan 1993 – Mar 2014 |
| Mobil - Arco O-4-11392 | Dewbre Petroleum Corporation only | Premont, East (Valentine) | Jim Wells | 1 | 28.3K | 24.7K | by Jan 1993 – Feb 2003 |
| Dewbre, Walter O-13-17377 | Upham Oil & Gas Company only | Boonsville (Consolidated Congl.) | Wise | 4 | 27.5K | 432K | by Jan 1993 – Aug 2026 |
| Valderas Gas Unit O-4-13327 | Dewbre Petroleum Corporation only | Mercedes (11000) | Hidalgo | 1 | 27K | 375K | Jun 2005 – Jul 2009 |
| Mobil-Arco Unit O-4-10637 | Dewbre Petroleum Corporation only | Premont, South (Zone 17-C) | Jim Wells | 2 | 26.4K | 14.9K | by Jan 1993 – Sep 2001 |
| Dragon, Tillie O-2-3290 | Dewbre Petroleum Corporation only | Person (Edwards) | Karnes | 1 | 25.5K | 41.5K | by Jan 1993 – Sep 1997 |
| Holbein O-4-9688 | Dewbre Petroleum Corporation only | Los Cuates Ranch (Cole 4360) | Jim Hogg | 4 | 25.3K | 36 | by Jan 1993 – Mar 2000 |
| Gayle O-3-25089 | Dewbre Petroleum Corporation only | Baileys Prairie (Frio -J- Sand) | Brazoria | 1 | 24K | 103K | Sep 2007 – Feb 2012 |
| Tullis, Henry O-2-5224 | Dewbre Petroleum Corporation only | Texam, E. (Slick) | Live Oak | 6 | 23.8K | 66.9K | by Jan 1993 – Jun 1998 |
| Shell, Alma Davis O-4-9332 | Dewbre Petroleum Corporation only | Midway, S. (Dubose) | San Patricio | 1 | 21.8K | 101K | by Jan 1993 – May 2010 |
| Heard O-4-13399 | Dewbre Petroleum Corporation only | Rincon, E. (Frio 4200) | Starr | 2 | 20.3K | 428 | Jun 2006 – Aug 2026 |
| Kathryn O-2-8484 | Dewbre Petroleum Corporation only | Hilly Desire (Wilcox A) | De Witt | 2 | 19.3K | 87.8K | Oct 1999 – May 2015 |
| Harris Gas Unit O-4-12986 | Dewbre Petroleum Corporation only | Weslaco, North (Frio Cons.) | Hidalgo | 1 | 18.9K | 9.74K | Aug 2000 – Nov 2011 |
| Flato O-4-13959 | Dewbre Petroleum Corporation only | Ricardo, E. (5100) | Kleberg | 1 | 18.2K | 0 | Jan 2015 – Aug 2026 |
| Porter O-2-9639 | Dewbre Petroleum Corporation only | Argenta (3000) | Live Oak | 1 | 17.7K | 0 | Feb 2011 – Aug 2026 |
| Thomson-Barrow O-2-8789 | Dewbre Petroleum Corporation only | Papalote, E. (3250 -B-) | Bee | 1 | 16.8K | 0 | May 2003 – Jun 2013 |
| Urbanczyk -A- O-2-7299 | Dewbre Petroleum Corporation only | Person (Edwards) | Karnes | 1 | 15.9K | 272K | by Jan 1993 – Mar 2008 |
| Moos Heirs "21" O-4-13580 | Dewbre Petroleum Corporation only | Tal Vez, East (Queen City) | Webb | 1 | 13.5K | 495 | Nov 2009 – Aug 2015 |
| Peacock O-1-12820 | Dewbre Petroleum Corporation only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 13K | 17 | by Jan 1993 – Apr 1998 |
| Culli-McKay O-2-8276 | Dewbre Petroleum Corporation only | Gillette (Hockley) | Bee | 2 | 10.9K | 0 | Jun 1997 – Feb 2002 |
| Dugger, L. M. O-4-9358 | Dewbre Petroleum Corporation only | Clara Driscoll,se (6300) | Nueces | 1 | 9.46K | 21 | by Jan 1993 – Nov 2001 |
| Kotara O-2-7178 | Dewbre Petroleum Corporation only | Person (Edwards) | Karnes | 1 | 8.98K | 299K | by Jan 1993 – Oct 1998 |
| Klimitchek O-2-12094 | Dewbre Petroleum Corporation only | Lavaca River (Yegua) | Lavaca | 1 | 8.24K | 0 | Nov 2020 – Aug 2026 |
| State Tract 45 O-2-4340 | Dewbre Petroleum Corporation only | Zoller, N. (Frio G) | Calhoun | 1 | 7.54K | 4.79K | by Jan 1993 – Jun 1997 |
| Villarreal, Ambrosia O-4-588 | Dewbre Petroleum Corporation only | Conchudo (Lopez Sand) | Webb | 2 | 7.5K | 216 | by Jan 1993 – Feb 1999 |
| Ploug, Alfred O-4-10823 | Dewbre Petroleum Corporation only | Ricardo, N.E. (4350 Catahoula) | Kleberg | 1 | 7.34K | 17 | by Jan 1993 – Aug 2026 |
| Thomson - Barrow O-2-7524 | Dewbre Petroleum Corporation only | Papalote, E. (3250) | Bee | 2 | 7.16K | 49 | by Jan 1993 – Oct 2007 |
| Reyes, S. Est. O-2-7856 | Dewbre Petroleum Corporation only | Eloise (6020) | Victoria | 1 | 6.84K | 3.07K | Feb 1993 – Apr 1997 |
| McClelland O-2-9650 | Dewbre Petroleum Corporation only | Oakville (Pettus -C-) | Live Oak | 1 | 6.45K | 0 | Jul 2011 – Sep 2016 |