| Combs-Worley O-14-416 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 2 | 20.4K | 43 | by Jan 1993 – Aug 2026 |
| Edwards -41- O-10-30162 | Baker Operating, Inc. only | Double -H- (Grayburg) | Ector | 1 | 20.4K | 9.01K | by Jan 1993 – Aug 2026 |
| Windham, Carol O-8-25770 | Encon Services, Inc. only | Grand Old Oplin (Gray) | Callahan | 3 | 20.4K | 73.9K | by Jan 1993 – Oct 2000 |
| Byrum -B- O-14-575 | Walls, G. M. & Frances, Inc. only | Panhandle Gray County Field | Gray | 9 | 20.3K | 209K | by Jan 1993 – Jul 2016 |
| Baird, J. S. O-14-569 | Kismet Properties, Inc. only | Panhandle Gray County Field | Gray | 6 | 20.3K | 129K | by Jan 1993 – Feb 2015 |
| W. L. Gray et al Unit O-3-23204 | Sue-Ann Production Company only | Needville (5500) | Fort Bend | 1 | 20.3K | 0 | Apr 1997 – Jun 1998 |
| Ray, S. R. O-5-3492 | Union Oil Company of California only | Van, West (Travis Peak, E) | Van Zandt | 1 | 20.2K | 231K | Oct 1994 – May 1999 |
| Oswalt, Z. O-8-15372 | Lime Creek Enterprises, L.L.C. only | Guion,se (Gray SD) | Taylor | 3 | 20.2K | 37.3K | by Jan 1993 – Mar 2008 |
| Burger, Kenneth O-14-6214 | Little Oil & Gas only | Panhandle Gray County Field | Gray | 1 | 20.2K | 179K | by Jan 1993 – Aug 2026 |
| Saunders O-14-335 | Porter Operating Company, L.L.C. only | Panhandle Gray County Field | Gray | 9 | 20.1K | 1.1K | by Jan 1993 – Aug 2026 |
| Anderson O-14-4686 | Lejan, Inc. only | Panhandle Gray County Field | Gray | 7 | 20.1K | 512K | by Jan 1993 – Aug 2026 |
| Bull, Bruce O-14-5710 | Little Oil & Gas only | Panhandle Gray County Field | Gray | 2 | 20.1K | 45K | by Jan 1993 – Aug 2026 |
| State Tract 457 G-4-151303 | Chaparral Energy, L.L.C. only | Mustang Island (Stray 10) | Nueces | 1 | 20.1K | 613K | Sep 1994 – Oct 2010 |
| FX O-10-35956 | Sheridan Production Company, LLC only | Triple-N (Grayburg) | Andrews | 2 | 20K | 424 | Jan 1999 – Feb 2013 |
| University O-10-30416 | Energen Resources Corporation only | Midland Farms, North (Grayburg) | Andrews | 1 | 20K | 254 | by Jan 1993 – Jun 2003 |
| Nantz "A" O-8-17729 | Ray Herring Operating Co., LLC only | Stephens County Regular | Stephens | 1 | 19.9K | 29.1K | by Jan 1993 – Aug 2026 |
| Osborne O-14-2844 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 2 | 19.9K | 56.7K | by Jan 1993 – Aug 2026 |
| Sabine Corp. G-3-143198 | Famcor Oil, Inc. only | Patrick P. Ray (Wilcox 10,300) | Montgomery | 1 | 19.9K | 1.71M | by Jan 1993 – Jan 1997 |
| Back O-14-4159 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 3 | 19.9K | 34.4K | by Jan 1993 – Aug 2026 |
| Bell O-14-5398 | 6A Production only | Panhandle Gray County Field | Gray | 4 | 19.8K | 424K | by Jan 1993 – Aug 2026 |
| Grayson 22 G-14-227770 | Unbridled Resources, LLC only | Allison-Britt (12350) | Wheeler | 1 | 19.8K | 711K | Oct 2006 – May 2015 |
| McMurray GU 'B' G-13-272653 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 19.7K | 2.82M | Nov 2013 – Aug 2026 |
| Bray Unit G-13-273426 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 19.7K | 623K | May 2010 – Mar 2020 |
| Salmon, M. H. -C- O-13-4265 | Salmon, Raymond Jr Estate only | Montague County Regular | Montague | 3 | 19.5K | 21 | by Jan 1993 – Aug 2026 |
| Coi -B- O-9-21332 | L.C.S. Production Company only | Wingate, NW (Gray) | Runnels | 2 | 19.5K | 55.3K | Apr 2021 – Aug 2026 |
| Gillespie Gas Unit G-4-174524 | Wadi Operating, LLC only | Brayton, N. (Vicksburg 10540) | Nueces | 1 | 19.5K | 115K | Jul 1999 – May 2000 |
| Yturria, H. G-4-198870 | Apollo Petro Fuels LLC only | Raymondville (Consolidated) | Willacy | 1 | 19.5K | 3.62M | Dec 2003 – May 2023 |
| Lister, J. W. O-13-2357 | Grayson Petroleum Company only | Kimbell-Sims (Sharelene Sand) | Cooke | 6 | 19.5K | 21 | by Jan 1993 – Apr 2005 |
| McElmurray, W. W. -A- O-8-31638 | Scout Energy Management LLC only | White Flat | Nolan | 1 | 19.5K | 23.6K | Jul 2014 – Jul 2018 |
| Mallet-Mitchell Unit #1 G-3-124169 | Western Energy Group, LLC only | Raywood, W. (Yegua 10850) | Liberty | 1 | 19.4K | 1.72M | by Jan 1993 – Aug 2015 |
| Sailor, Martha O-14-322 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 6 | 19.4K | 168K | by Jan 1993 – Aug 2026 |
| Rutland, Steve O-8-22675 | L.C.S. Production Company only | Grand Old Oplin (Gray) | Callahan | 2 | 19.3K | 47.3K | by Jan 1993 – Apr 2000 |
| Donnell, J. O-13-29182 | Robuck Petroleum, LLC only | Murray, N (Miss) | Young | 1 | 19.3K | 184 | Jul 1996 – Nov 2022 |
| University -Aco- O-9-6097 | L & M Operating, Inc. only | Weger, West (Grayburg) | Crockett | 4 | 19.3K | 783 | Feb 1993 – Aug 2026 |
| Ray, Roy O-4-39 | Wallis Energy, Inc. only | Agua Dulce | Nueces | 1 | 19.1K | 470 | by Jan 1993 – Jun 2026 |
| Glass -B- O-10-21061 | King Energy Resources only | Herrell (Grayburg) | Sterling | 1 | 19.1K | 22 | by Jan 1993 – Aug 2026 |
| Bowers -a & C- O-14-428 | Petco Energy Corporation only | Panhandle Gray County Field | Gray | 7 | 19.1K | 187K | by Jan 1993 – Aug 2026 |
| Stevens, Raymond O-13-19076 | BKV Barnett, LLC only | Greenwood (Atoka 6650) | Wise | 2 | 19K | 313K | by Jan 1993 – Aug 2025 |
| Yturria, Frank D. G-4-199970 | Cody Energy LLC only | Raymondville (Consolidated) | Willacy | 1 | 19K | 1.2M | Oct 2003 – Apr 2010 |
| Odom, Mike 131 O-8-24646 | Sun-Key Oil Co., Inc. only | Grand Old Oplin (Gray) | Callahan | 1 | 19K | 72.4K | by Jan 1993 – May 2013 |
| University -B- O-9-4752 | Darco Operators only | John Scott (Grayburg) | Reagan | 2 | 18.8K | 21 | by Jan 1993 – Jun 2019 |
| Graf, J. H. NCT-4 O-9-2390 | Rayden only | Hazel (Spraberry) | Upton | 1 | 18.7K | 268K | by Jan 1993 – Jun 2020 |
| Vergara Rayzor GU G-4-193815 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 18.7K | 1.65M | Jan 2003 – Aug 2026 |
| Waggoner Grayback NW O-13-34192 | Waggoner Operating, L.L.C. only | Wilbarger County Regular | Wilbarger | 7 | 18.7K | 0 | Dec 2022 – Aug 2026 |
| Kelly-Eubank O-11-13749 | Gray, Gordon Operator only | Sharon Ridge (1700) | Scurry | 2 | 18.6K | 139 | by Jan 1993 – Aug 2026 |
| Step O-14-5631 | Conocophillips Company only | Panhandle Gray County Field | Gray | 1 | 18.6K | 17.1K | by Jan 1993 – Oct 2002 |
| McKay -B- O-14-5782 | Black's Oil & Gas only | Panhandle Gray County Field | Gray | 3 | 18.6K | 206K | by Jan 1993 – Dec 2025 |
| Vergara Rayzor 1676 GU G-4-215228 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 18.5K | 1.34M | Sep 2005 – Aug 2026 |
| Anp -151- O-8-28203 | Richey, Ray Management Co., Inc. only | Swenson (Caddo) | Throckmorton | 2 | 18.5K | 17K | May 1997 – Aug 2000 |
| Noel, J. L. O-14-288 | Large Operating LLC only | Panhandle Gray County Field | Gray | 11 | 18.5K | 130K | by Jan 1993 – Jul 2026 |