| Langford, J.T. O-13-27432 | Peba Oil & Gas, Inc. only | Bowers (Strawn 3100) | Montague | 2 | 41K | 45 | by Jan 1993 – Aug 2026 |
| Paclik, C. J. O-13-25797 | Felderhoff Production Company only | Tepco (3100 Ellenburger) | Cooke | 2 | 38.9K | 32 | by Jan 1993 – Sep 2018 |
| TSL 33105/TR 53/ G-4-195589 | White Marlin Operating Co, LLC only | Encinal Channel (FB-1A, M-4) | Nueces | 1 | 34.6K | 2.71M | May 2003 – Jan 2007 |
| Welder, Minnie S. Est O-2-8491 | Cummins & Walker Oil Co., Inc. only | The Rwa (3100) | Victoria | 1 | 34.4K | 16K | Jun 1999 – Oct 2005 |
| TSL 33105 /TR 53/ G-4-41577 | White Marlin Operating Co, LLC only | Encinal Channel (FB-a, K-2) | Nueces | 1 | 34.3K | 4.71M | by Jan 1993 – Mar 2008 |
| Mayse O-9-11093 | Toc Energy Resources, LLC only | Sixty Seven (Clear Fork 3100) | Irion | 2 | 30.4K | 47.3K | by Jan 1993 – Aug 2026 |
| Alkek O-2-7291 | Express Oil Co. only | Coletto Creek, SOUTH(3100 Greta) | Victoria | 1 | 28K | 27 | by Jan 1993 – May 2004 |
| TSL 33105/TR 53/ G-4-194843 | White Marlin Operating Co, LLC only | Encinal Channel (FB-1A, M-4) | Nueces | 1 | 27.8K | 2.06M | Apr 2003 – Oct 2011 |
| Stauss, Ida et Al O-2-6918 | Britanco, L.L.C. only | Tuleta, West (Hockley 3100) | Bee | 1 | 26.8K | 12.6K | by Jan 1993 – Aug 2026 |
| TSL 33105/TR 53/ G-4-266645 | White Marlin Operating Co, LLC only | Encinal Channel (FB-B, K-2,3) | Nueces | 1 | 25.5K | 2.12M | Jan 2012 – Jul 2017 |
| TSL 33105 /TR 53/ G-4-40070 | White Marlin Operating Co, LLC only | Encinal Channel (FB-a, M-2) | Nueces | 1 | 22.6K | 1.52M | by Jan 1993 – Sep 2009 |
| Beck, Mangus O-2-6574 | Staples, James W. Prod. Co. only | San Domingo, S. (3100 Sd.) | Bee | 2 | 22.6K | 805 | by Jan 1993 – Aug 2026 |
| Gahagan, C. P. -B- O-13-8035 | Itx Corporation only | Long (Strawn 3100) | Young | 10 | 22.2K | 64.7K | by Jan 1993 – Aug 2026 |
| Berry O-13-19571 | Greco Operating, LLC only | Victoria (3100) | Young | 1 | 21.4K | 28.5K | by Jan 1993 – Jul 2026 |
| TSL 33105/TR 53/ G-4-210173 | Sabco Operating Company only | Encinal Channel (FB-3B, M-4) | Nueces | 1 | 21.2K | 1.44M | Mar 2005 – Dec 2009 |
| Bush, Edith Smith O-2-7059 | Staples, James W. Prod. Co. only | San Domingo, S. (3100 Sd.) | Bee | 2 | 20K | 38.1K | by Jan 1993 – Aug 2026 |
| S. T. 310-L S/2/NE/4 G-3-159858 | Walter Oil & Gas Corporation only | Cyclone (Rob 43 6350 Res. A) | Galveston-LB | 1 | 17.5K | 8.11M | May 1996 – Apr 2011 |
| Bob White O-2-13074 | Dahco Operating, LLC only | Tuleta, West (Hockley 3100) | Bee | 1 | 16.4K | 11.1K | Feb 2025 – Aug 2026 |
| St. Joseph Unit O-4-3650 | Rebound Resources, Inc only | St. Joseph (3100 Sand) | Webb | 21 | 16.2K | 21 | by Jan 1993 – May 2006 |
| Red Draw 310 O-11-71237 | Burk Royalty Co., Ltd. only | Platang (San Andres) | Yoakum | 1 | 15.8K | 9.68K | Apr 2022 – Aug 2026 |
| TSL 33105/ TR 53/ G-4-187460 | White Marlin Operating Co, LLC only | Encinal Channel (FB-a, M-2) | Nueces | 1 | 15.2K | 762K | Sep 2001 – Jul 2022 |
| S. T. 310-L S/2 NE/4 G-3-160339 | Walter Oil & Gas Corporation only | Cyclone (Rob 43 6350 Res. A) | Galveston-LB | 1 | 14.5K | 6.04M | Jun 1996 – Apr 2011 |
| Scottish Rite-Buckner O-1-8077 | Thalmann, David Vac Service Inc only | Evergreen Farms (3100) | Dimmit | 1 | 14.3K | 13.3K | by Jan 1993 – Apr 2004 |
| Whitt O-9-15883 | Toc Energy Resources, LLC only | Sixty Seven (Clear Fork 3100) | Irion | 1 | 13.4K | 36.8K | Jan 2006 – Aug 2026 |
| Nolan 310 O-8-30723 | Sojourner Drilling Corporation only | Divide (King Sand) | Nolan | 1 | 13K | 33.9K | Mar 2011 – Jul 2026 |
| State Tract 310-L G-3-70284 | Fairways Spec. Sales & Serv Inc only | Galveston Block 310-L (Mio) | Galveston-LB | 1 | 11.5K | 1.06M | by Jan 1993 – Dec 2002 |
| Stewart, J. S. O-13-27894 | Cholla Petroleum, Inc. only | Kenkirk (Strawn 3100) | Wise | 2 | 11K | 152K | by Jan 1993 – May 2017 |
| TSL 33105/TR 53/ G-4-175760 | White Marlin Operating Co, LLC only | Encinal Channel (FB-a, M-2) | Nueces | 1 | 10.9K | 718K | Oct 1999 – Dec 2024 |
| S. T. 310-L N/2 NE/4 G-3-229086 | Hall-Houston Expl. II, L.P. only | Galveston 310-L (Miocene) | Galveston-LB | 1 | 10.9K | 3.7M | Mar 2007 – Aug 2013 |
| Davy, C.R. O-4-12785 | Briar Oil, LLC only | Dottie (Vicksburg 3100) | Duval | 1 | 9.62K | 20 | Apr 1998 – Mar 2001 |
| Light, Wm. O-1-11684 | Carrizo Exploration, Inc. only | Evergreen Farms (3100) | Dimmit | 1 | 8.38K | 23 | by Jan 1993 – Jun 2001 |
| Hansen, E. O. et al Unit G-3-84291 | Hilcorp Energy Company only | Rugeley, S.W. (13100) | Matagorda | 1 | 8.1K | 151K | by Jan 1993 – Aug 1997 |
| Thetford, Ira L. G-13-21724 | Bennett Resources, Inc. only | River Bend (3100) Field | Young | 1 | 7.38K | 643K | Feb 1993 – Aug 2026 |
| Briscoe, Bill O-13-19153 | Greco Operating, Inc. only | Victoria (3100) | Young | 3 | 6.56K | 24 | by Jan 1993 – Jul 2002 |
| Steed, N. H., et al -C- O-13-2276 | WLH Production LLC only | Callisburg, SW. (Strawn 3100) | Cooke | 1 | 6.47K | 20 | Feb 1993 – Jul 2026 |
| Hudson-Johnson Unit O-6-14613 | Diversified Production LLC only | Carthage (Travis Peak 6310) | Panola | 1 | 5.78K | 35.7K | Sep 2006 – Oct 2014 |
| Millham, Wm., et al -C- O-13-2275 | WLH Production LLC only | Callisburg, SW. (Strawn 3100) | Cooke | 1 | 5.74K | 21 | by Jan 1993 – Jul 2026 |
| Ivey, B.E. O-4-13635 | IV L.C. only | Midway (5310) | San Patricio | 1 | 5.43K | 1.04K | Feb 2011 – Aug 2017 |
| Andrews O-13-29276 | Felderhoff Production Company only | McElreath (Strawn 3100) | Grayson | 1 | 5.17K | 0 | Oct 1996 – Jul 2011 |
| TSL33100, ST48 G-4-164668 | Sabco Operating Company only | Encinal Channel (FB-a, K-8) | Nueces | 1 | 5K | 279K | Sep 1997 – Sep 1999 |
| Olcott GU 4 G-3-155986 | Exxon Corp. only | Olcott (Miocene 3100) | Harris | 1 | 4.66K | 467K | Oct 1995 – Oct 1997 |
| Jernigan, Mattie G-6-177781 | Diversified Production LLC only | Carthage (Travis Peak 6310) | Panola | 1 | 4.01K | 1.09M | Mar 2000 – Aug 2026 |
| Sog - Olson Gas Unit G-3-269961 | Hilcorp Energy Company only | Rugeley, S.W. (13100) | Matagorda | 1 | 3.8K | 145K | Mar 2013 – Aug 2026 |
| Menzies 2 O-9-17483 | Concho Oilfield Serv & Oper Co. only | Wilhelm Lane (Canyon 3100) | Menard | 1 | 3.76K | 7.07K | Jul 2011 – Jul 2023 |
| Huff, A. D. G-13-144897 | Felderhoff Production Company only | Kenkirk (Strawn 3100) | Wise | 1 | 3.31K | 582K | Mar 1993 – Jul 2026 |
| Clayton, Floyd O-13-28769 | Quest Petroleum Company only | Risch, East (Strawn 3100) | Wise | 1 | 3.16K | 174K | Jan 1994 – Jun 2026 |
| Wimbley, T. M., Mrs. O-13-11969 | McCommons Oil Company only | Kenkirk (Strawn 3100) | Wise | 2 | 2.95K | 15 | Sep 1995 – Nov 2011 |
| Womack, T. W. Unit G-13-179601 | Scout Energy Management LLC only | Risch, East (Strawn 3100) | Wise | 1 | 2.81K | 410K | Oct 2000 – Aug 2026 |
| Autry 22 "A" O-8-16304 | Stovall, Howard only | Mangum, West (3100) | Eastland | 2 | 2.7K | 7.24K | Apr 2003 – Aug 2026 |
| Bennett G-2-244760 | Double Play Oil & Gas, Inc only | La Salle (6310) | Jackson | 1 | 2.51K | 334K | Nov 2008 – Aug 2025 |