| Crain-Black Stone A-375 G-6-220868 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 349K | 1.46M | Mar 2006 – Aug 2026 |
| Freeman, G. D. O-13-10277 | Gilbreath Tank Trucks, Inc. only | Sandusky (3750) | Grayson | 1 | 62.3K | 21 | by Jan 1993 – Aug 2026 |
| Shelton, Ben O-2-8065 | Hart Petroleum Services, Inc only | Placedo, East (5375) | Victoria | 1 | 38.1K | 68.9K | Dec 1994 – May 1999 |
| Shumate & McGill O-4-6450 | H & P Exploration Co. only | Tom Graham (3750) | Jim Wells | 2 | 37.6K | 28 | by Jan 1993 – Aug 2018 |
| Laskowski Oil Unit O-1-14101 | Greenwerks Outdoor Services LLC only | M.J.M. (Wilcox 3750) | Wilson | 1 | 28K | 35 | Feb 1997 – Aug 2026 |
| Wilson, Beavely O-9-8961 | Ozark Exploration, Inc. only | Beavely Wilson (Canyon 3750) | Sutton | 2 | 26.8K | 71 | by Jan 1993 – May 2021 |
| State Tract 205 O-3-16762 | Genesis Producing Company only | Red Fish Reef, North (Frio 8375 | Chambers | 1 | 15.9K | 32.2K | by Jan 1993 – Jun 1998 |
| Peery 375 O-14-9129 | Presidio Petroleum LLC only | Kiowa Creek (Marmaton) | Lipscomb | 1 | 12.5K | 120K | Jun 2014 – Jun 2024 |
| Pruser, G.W. O-9-14319 | Enrich Oil Corporation only | Chayo (Palo Pinto 3750) | Runnels | 1 | 11.9K | 19K | Feb 1996 – Aug 1998 |
| Kight, Judith Winston "D" O-8-29386 | Delta Oil & Gas Ltd. only | Kight (Congl 3750) | Stephens | 1 | 10.5K | 151K | Mar 2004 – Aug 2026 |
| Bennett, John M. B-F O-2-5153 | Snyder Oil Corporation only | La Salle, West (Frio 6375) | Jackson | 1 | 8.83K | 10.6K | by Jan 1993 – Aug 1994 |
| New, J.T. & L. O-13-20680 | 375 Energy, Inc. only | Alvord (Caddo Conglomerate) | Wise | 1 | 7.65K | 67.4K | by Jan 1993 – Oct 2009 |
| Rieger O-3-27279 | Magnum Producing, LP only | Jarvis Creek (5375) | Wharton | 1 | 5.52K | 840 | Aug 2017 – Oct 2018 |
| Judith Winston Kight "D" G-8-117260 | Delta Oil & Gas Ltd. only | Kight (Congl 3750) | Stephens | 1 | 5.16K | 72.5K | by Jan 1993 – Feb 2004 |
| Gavranovic G-3-218752 | Caza Operating, LLC only | Jarvis Creek (5375) | Wharton | 1 | 4.93K | 120K | Jun 2006 – May 2010 |
| Judith Winston Kight "D" G-8-111770 | Delta Oil & Gas Ltd. only | Kight (Congl 3750) | Stephens | 1 | 4.32K | 80.7K | by Jan 1993 – Mar 2020 |
| Pitts, Aniela O-3-20340 | Hilcorp Energy Company only | Bonus, S.E. (Frio 3750) | Wharton | 1 | 4.03K | 109 | by Jan 1993 – Dec 1999 |
| Higginbotham O-4-9517 | Buffalo Oil Corp. only | Tom Graham (3750) | Jim Wells | 1 | 2.78K | 31 | by Jan 1993 – Jul 1995 |
| Blanche Winston O-8-31478 | Delta Oil & Gas Ltd. only | Kight (Congl 3750) | Stephens | 1 | 2.58K | 94.6K | Mar 2014 – Aug 2026 |
| St. Edwards Univ. O-4-5442 | Oilton Resources, Inc. only | Brother Fleck (3750 Sand) | Jim Hogg | 1 | 2.45K | 323 | by Jan 1993 – Oct 2000 |
| Peery 375 G-14-209606 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 2.41K | 755K | Apr 2005 – Aug 2026 |
| Stout O-4-10504 | Buffalo Oil Corp. only | Tom Graham (3750) | Jim Wells | 1 | 1.89K | 25 | by Jan 1993 – May 1996 |
| Harry Mosser GU "B" G-4-207805 | Linn Operating, Inc. only | Ben Bolt (5375) | Jim Wells | 1 | 1.54K | 360K | Oct 2004 – Apr 2014 |
| Peery 375 G-14-209605 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 1.41K | 850K | Feb 2005 – Aug 2026 |
| Laskowski, Anton O-1-4219 | Ginco Operating Co. only | M.J.M. (Wilcox 3750) | Wilson | 1 | 1.37K | 20 | by Jan 1993 – Oct 1995 |
| Baker, Thomas B. O-2-5532 | S. S. C. Gas Producing. Co. only | Choate, SE. (Yegua 3750) | Karnes | 1 | 1.22K | 20 | by Jan 1993 – Oct 1994 |
| Johnson, Mary G-13-249933 | 375 Energy, Inc. only | Newark, East (Barnett Shale) | Wise | 1 | 1.17K | 13.4K | Apr 2007 – Mar 2010 |
| Muegge-Duncan Unit G-3-179715 | Dynamic Production, Inc. only | Dynamic (Frio 3750) | Wharton | 1 | 963 | 707K | Feb 2000 – Nov 2002 |
| O'Conner, Louise "A" G-2-173204 | Southern Bay Operating, L.L.C. only | Anaqua, North (5375) | Victoria | 1 | 664 | 119K | Mar 1999 – Dec 2002 |
| Proctor O-13-31028 | 375 Energy, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 470 | 6.68K | Nov 2007 – Apr 2010 |
| Rupp "B" G-4-160389 | Maguire Oil Company only | Ann Mag (8375) | Brooks | 1 | 425 | 26K | Sep 1996 – Nov 1996 |
| Roche G-2-183168 | C & E Operating, Inc. only | Roche Ranch (Frio 3756) | Bee | 1 | 368 | 1M | Jan 2001 – Feb 2006 |
| Hoffman, N. A. -K- G-4-9391 | Bridwell Oil Co. only | Ben Bolt (5375) | Jim Wells | 1 | 362 | 77.8K | by Jan 1993 – Feb 1995 |
| Gavranovic O-3-25573 | Caza Operating, LLC only | Jarvis Creek (5375) | Wharton | 1 | 316 | 0 | Jun 2010 – Dec 2010 |
| Leyendecker-Hunter 1375 G-4-206136 | Lewis Petro Properties, Inc. only | Tom Walsh (Olmos) | Webb | 1 | 312 | 210K | Sep 2004 – Aug 2026 |
| McFaddin -A- G-2-173466 | Americo Energy Resources, LLC only | McFaddin, North (3750) | Victoria | 1 | 283 | 46.8K | Mar 1999 – Oct 1999 |
| Dee Davenport State of Texas G-4-130473 | Totalfinaelf E&P USA Inc only | Dee Davenport (3750 Stray) | Starr | 1 | 225 | 76.3K | by Jan 1993 – Mar 1998 |
| Leyendecker Hunter "D" 1375 G-4-209124 | Lewis Petro Properties, Inc. only | Tom Walsh (Olmos) | Webb | 1 | 214 | 210K | Mar 2005 – Aug 2026 |
| Sullivan, D.J. O-4-11754 | Maguire Oil Company only | Ann Mag (8375) | Brooks | 1 | 168 | 3 | by Jan 1993 – Jul 1993 |
| Shelton G-2-222499 | Corum Production Company only | Placedo, East (3750 Oakville) | Victoria | 1 | 167 | 278K | Apr 2006 – Jan 2009 |
| Wilborn G-13-236338 | 375 Energy, Inc. only | Newark, East (Barnett Shale) | Wise | 1 | 88 | 18.4K | Jun 2008 – Aug 2009 |
| Leyendecker-Hunter 1375 G-4-212933 | Lewis Petro Properties, Inc. only | Tom Walsh (Olmos) | Webb | 1 | 77 | 134K | Jul 2005 – Aug 2026 |
| Cuellar No. 3 Gas Unit G-4-129136 | Hamilton, J. R. only | J.R. (3750) | Duval | 1 | 48 | 108K | by Jan 1993 – Jun 2003 |
| Heyne "B" G-3-146978 | Elliott Oil & Gas Company only | Bonus, S.E. (Frio 3750) | Wharton | 1 | 36 | 78K | Oct 1993 – Jul 1998 |
| Yeager -B- G-8-69576 | Wise Production Company only | Tee Jay (3750) | Eastland | 1 | 33 | 1.83K | by Jan 1993 – Jun 1993 |
| Wedemeier G-2-181648 | Pure Resources, L.P. only | Telferner, SW (3750 SD) | Victoria | 1 | 32 | 239K | Dec 2000 – May 2002 |
| Garcia L&L Co. G-4-179377 | Mountain V Texas, LLC only | Dee Davenport (3750 Stray) | Starr | 1 | 20 | 13.9K | Oct 2000 – Mar 2001 |
| Merner Trust G-2-170233 | Westport Oil and Gas Company, LP only | Fannin, North (3750) | Goliad | 1 | 8 | 472K | Jul 1998 – May 2001 |
| White, M. D. G-8-74882 | L.C.S. Production Company only | Tee Jay (3750) | Eastland | 1 | 7 | 7.77K | by Jan 1993 – Jun 1999 |
| Diebel "C" G-2-217781 | Innovative Energy Services, Inc. only | Salem (3750) | Victoria | 1 | 0 | 22.5K | Nov 2005 – Feb 2007 |