| Hutchings, J. Unit G-6-243956 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 2.38K | 1.43M | Nov 2008 – Aug 2026 |
| TXL O-10-33630 | Denbury Management, Inc. only | York (Grayburg) | Ector | 3 | 2.37K | 2.23K | by Jan 1993 – Aug 1993 |
| Aldridge O-8-29351 | Panamerican Operating Inc only | Goldsboro (Gray) | Runnels | 1 | 2.37K | 8.08K | Feb 2004 – Aug 2008 |
| McKay, A. G. O-14-3491 | G. H. Ranch Management, LLC only | Panhandle Gray County Field | Gray | 1 | 2.35K | 18.4K | by Jan 1993 – Dec 1998 |
| Harrah (Gryphon) O-14-1540 | Helton, Pat A. & Alberta only | Panhandle Gray County Field | Gray | 3 | 2.34K | 9.66K | by Jan 1993 – Sep 2004 |
| Yturria, Frank D. G-4-188847 | Cody Energy LLC only | Raymondville (Consolidated) | Willacy | 1 | 2.34K | 463K | Apr 2002 – Feb 2006 |
| Hutchings, J. Unit G-6-98003 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 2.33K | 1.37M | by Jan 1993 – Aug 2026 |
| Ray "C" G-10-177007 | Burk Royalty Co., Ltd. only | Conger (Penn) | Sterling | 1 | 2.33K | 167K | Apr 2000 – Aug 2026 |
| Kaechele, Charles Unit G-3-219084 | Etoco, L.P. only | Orange Hill, S. (Wilcox Stray) | Austin | 1 | 2.33K | 370K | Aug 2005 – Aug 2026 |
| Williamson Unit G-6-242622 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 2.32K | 629K | Aug 2008 – Jul 2026 |
| Spalding, Jessie O-13-10491 | Grayson Petroleum Company only | Gee (Oil Creek, Upper) | Grayson | 1 | 2.32K | 20 | by Jan 1993 – Mar 1997 |
| Archer O-14-192 | Porter Operating Company, L.L.C. only | Panhandle Gray County Field | Gray | 4 | 2.32K | 3.7K | by Jan 1993 – Jul 2026 |
| Cooper-Lavelle "B" O-8-18489 | Mercury Exploration Co. only | Hooray (Grey Sand) | Callahan | 1 | 2.32K | 3.73K | by Jan 1993 – Dec 1996 |
| Howard O-9-12102 | Windham Resources only | Indiana (Gray) | Runnels | 1 | 2.31K | 10.2K | by Jan 1993 – Jul 1998 |
| Raymond, M. J. G-4-77962 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 2.31K | 1M | by Jan 1993 – Jun 2021 |
| Embar-B O-10-35562 | Conocophillips Company only | Andector (Grayburg) | Andrews | 2 | 2.3K | 12.2K | Jul 1997 – Oct 2002 |
| Callaway, W. R. O-13-6996 | Richey, Ray Management Co., Inc. only | Hodge (Conglomerate, Upper) | Wise | 1 | 2.3K | 26.1K | by Jan 1993 – Jun 2005 |
| Roberson 374 O-8-17849 | Ice Well Services, Inc. only | Carm (Gray) | Callahan | 1 | 2.3K | 5.78K | Feb 1993 – Jun 1997 |
| Parsons, I. M. "H" O-8-26499 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 2.29K | 20 | by Jan 1993 – Jul 2006 |
| Traylor, Maude B. G-2-162579 | Wagner Oil Company only | Maude B. Traylor, S. (Beck, Lo.) | Calhoun | 1 | 2.29K | 176K | Nov 1996 – Dec 1998 |
| Jones A.M. O-8-14686 | Rayco Operating, Inc. only | Callahan County Regular | Callahan | 1 | 2.29K | 21 | by Jan 1993 – Jun 1998 |
| Donnell, Sallie R. G-13-145304 | Pennzoil Petroleum Company only | Murray (Marble Falls) | Young | 1 | 2.29K | 69.7K | Apr 1993 – Jan 1994 |
| Shepherd, A. T. O-14-3643 | Dalf Energy LLC only | Panhandle Gray County Field | Gray | 2 | 2.29K | 43.2K | by Jan 1993 – Jul 2017 |
| Burks, Lillie E. O-6-13628 | Graystone Energy Corporation only | Shiloh (Pettit, Lower) | Rusk | 1 | 2.29K | 6 | Feb 1997 – Jul 2000 |
| McCray, J. B. O-14-4841 | B-J Operating Company only | Panhandle Carson County Field | Carson | 3 | 2.28K | 79.7K | by Jan 1993 – Jun 2014 |
| Jones, S. O-8-20336 | Mercury Exploration Co. only | Turnaround (Gray Sand) | Callahan | 2 | 2.27K | 6.85K | by Jan 1993 – Oct 1996 |
| Moore O-8-17682 | Gray, Gordon Operator only | Claytonville, SE. (5000 Sand) | Fisher | 3 | 2.27K | 241K | by Jan 1993 – Aug 2026 |
| Yturria, H. G-4-229620 | Apollo Petro Fuels LLC only | Raymondville (Consolidated) | Willacy | 1 | 2.27K | 549K | Feb 2007 – Oct 2020 |
| Rayford, Bess G-6-227992 | Goodrich Petroleum Company only | Minden (Cotton Valley Cons.) | Rusk | 1 | 2.27K | 287K | Apr 2007 – May 2010 |
| Darsey, Raymond Emmett O-13-20383 | McClendon, Larry P. only | J. B. C. (Canyon Reef) | Wilbarger | 1 | 2.26K | 14 | by Jan 1993 – Aug 2000 |
| Ray, S. R. G-5-174863 | Union Oil Company of California only | Van, West (Pettit) | Van Zandt | 1 | 2.26K | 209K | Jul 1999 – Feb 2002 |
| Plaster-Cooper O-13-29115 | Ray Herring Operating Co., LLC only | Kennedy (Atoka) | Jack | 1 | 2.26K | 105 | Mar 1996 – Nov 2016 |
| Traylor, Maude G-2-72084 | Frostwood Energy, LLC only | Maude B. Traylor, North (30) | Calhoun | 1 | 2.25K | 5.53K | Feb 2014 – Mar 2019 |
| Hutchings, J. Unit G-6-174325 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 2.25K | 1.48M | Aug 1999 – Aug 2026 |
| Scarlett B O-8-17321 | Ray Herring Operating Co., LLC only | Johnny (Congl.) | Stephens | 1 | 2.24K | 34.5K | by Jan 1993 – Apr 2015 |
| Gray Gas Unit G-6-165370 | Rockcliff Energy Operating LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 2.22K | 1.72M | Sep 1997 – Jun 2015 |
| Bowden, C. W. O-13-18625 | Richey, Ray Management Co., Inc. only | Boonsville (Consolidated Congl.) | Wise | 1 | 2.21K | 54.6K | by Jan 1993 – Jul 1999 |
| Ray O-6-14137 | Tsar Energy, LLC only | Rawlins (900 Wilcox) | Anderson | 1 | 2.21K | 0 | Sep 2002 – Jun 2023 |
| Peters 'A' G-2-204107 | Brayton Operating Corp. only | El Toro Max, W. (EY-1) | Jackson | 1 | 2.21K | 39.9K | Dec 2003 – Dec 2004 |
| McKnight - Rayden O-10-58938 | Williams Oil Company only | Sand Hills (Judkins) | Crane | 1 | 2.19K | 1.61K | Jan 2023 – Aug 2026 |
| Gray O-13-18514 | Pruitt Oil & Gas only | Buck M. (Bryson) | Clay | 1 | 2.18K | 127 | by Jan 1993 – Feb 2000 |
| Davis, B. A. O-13-28637 | Richey, Ray Management Co., Inc. only | Jack County Regular | Jack | 1 | 2.16K | 55.5K | Aug 1993 – May 2006 |
| Gray O-6-4615 | Graystone Energy Corporation only | Henderson (Rusk Co. Travis Peak) | Rusk | 2 | 2.15K | 0 | May 1998 – Nov 2003 |
| Ward, E.J. O-8-17746 | Anderson, E. D. only | Lee Ray (Ranger) | Eastland | 1 | 2.15K | 56.4K | by Jan 1993 – Jun 2006 |
| Ray, George G-2-141620 | Amrwr, LLC only | Pettus, E. (Luling) | Goliad | 1 | 2.15K | 376K | by Jan 1993 – Mar 1995 |
| Traylor, Maude B. G-2-161761 | Prize Operating Company only | Maude B. Traylor (Freda) | Calhoun | 1 | 2.14K | 113K | Dec 1996 – Feb 2000 |
| Leopold -C- O-14-1645 | PG-M International Operating,llc only | Panhandle Gray County Field | Gray | 5 | 2.14K | 9.94K | by Jan 1993 – Jul 2014 |
| Williamson Unit G-6-237332 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 2.13K | 495K | Mar 2008 – Aug 2026 |
| Burrell G-14-102775 | Foundation Energy Management LLC only | Graystone (Morrow SD) | Wheeler | 1 | 2.13K | 987K | Feb 1993 – Dec 2015 |
| Yturria, H. G-4-200769 | Apollo Petro Fuels LLC only | Raymondville (Consolidated) | Willacy | 1 | 2.13K | 115K | Mar 2004 – Oct 2006 |