| Minor, A. Gas Unit G-6-249656 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.37K | 1.07M | Jun 2009 – Aug 2026 |
| Alvord Unit O-13-20050 | Richey, Ray Management Co., Inc. only | Alvord, South (Atoka) | Wise | 1 | 1.37K | 25.2K | by Jan 1993 – May 1998 |
| Npu ( Ray -5) G-2-86170 | Paleo Oil Company LLC only | Tulsita-Wilcox ( 6800 Reklaw) | Goliad | 1 | 1.36K | 844K | Jul 1995 – Dec 2015 |
| Welder Wildlife Refuge G-4-276420 | Welderxp Ltd. only | Plymouth (5600 Stray) | San Patricio | 1 | 1.36K | 40.9K | Sep 2014 – Jun 2019 |
| Minor, A. Gas Unit G-6-237325 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.36K | 1.28M | Mar 2008 – Aug 2026 |
| Traylor, M. B. Estate O-2-7701 | XTO Energy Inc. only | Maude B. Traylor (F-47, Deep) | Calhoun | 1 | 1.36K | 10.4K | by Jan 1993 – Apr 1995 |
| Sanders, Joe G-13-203494 | Ray Herring Estate only | Clark (Marble Falls) | Young | 1 | 1.36K | 81K | Jul 2004 – Aug 2010 |
| Sin-Pope O-14-539 | Questa Energy Corporation only | Panhandle Gray County Field | Gray | 6 | 1.36K | 14.5K | by Jan 1993 – Nov 1998 |
| Spade Ranch 5 O-10-46229 | Crownquest Operating, LLC only | Ray Albaugh (Wolfcamp) | Mitchell | 1 | 1.35K | 0 | Feb 2015 – Mar 2016 |
| Guy O-8-28227 | Grayrock Energy II, LLC only | Callahan County Regular | Callahan | 1 | 1.35K | 40.8K | Jul 1997 – May 2009 |
| Waddell, W. N. G-10-201845 | Burlington Res O & G Co-Midland only | Waddell (Grayburg) | Crane | 1 | 1.35K | 93.7K | May 2003 – Feb 2013 |
| Ridgewood Estates G-8-167327 | Richey, Ray Management Co., Inc. only | Bear Canyon (Bend Congl) | Palo Pinto | 1 | 1.34K | 300K | Oct 1997 – Feb 2000 |
| Winter 14 G-10-220701 | Rayden only | Crawar (Wolfcamp) | Ward | 1 | 1.34K | 149K | Sep 2006 – May 2023 |
| Ray "A" G-2-148030 | Marquee Corporation only | Hordes Creek N. (Pettus 4120) | Goliad | 1 | 1.33K | 389K | Dec 1993 – Apr 1998 |
| Eakin -A- O-14-4567 | Petro Haley only | Panhandle Gray County Field | Gray | 4 | 1.33K | 30.1K | May 1996 – Nov 2008 |
| Mills, C. C. "A" O-11-9978 | Gray, Gordon Operator only | Sharon Ridge (1700) | Mitchell | 1 | 1.33K | 128 | by Jan 1993 – Aug 2026 |
| Sabre-Gray 40 O-10-34857 | RE-OP Corp. only | Sabre (Delaware) | Reeves | 2 | 1.33K | 29 | Feb 1996 – Nov 2002 |
| Minor, A. Gas Unit G-6-236116 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.32K | 1.62M | Jan 2008 – Aug 2026 |
| Yturria, Frank D., et Al G-4-169786 | Cody Energy LLC only | Raymondville (F-33) | Willacy | 1 | 1.32K | 430K | Aug 1998 – Oct 2000 |
| Hutchings, J. Unit G-6-230823 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.31K | 1.53M | Jun 2007 – Aug 2026 |
| Gray 231 O-10-44976 | Apache Corporation only | Spraberry (Trend Area) | Borden | 1 | 1.31K | 0 | Jan 2014 – May 2014 |
| Sneed, Tom et UX G-8-126658 | Delray Oil, Inc. only | Coleman County Regular (Gas) | Coleman | 1 | 1.31K | 63.1K | by Jan 1993 – Nov 2001 |
| Npu (Ray 109) G-2-220892 | Paleo Oil Company LLC only | Tulsita-Wilcox (MWC) | Bee | 1 | 1.31K | 2.45M | Apr 2006 – Jul 2026 |
| Rayner G-10-183319 | Olsen Energy Inc. only | Lehn-Apco, S. (Wichita-Albany) | Pecos | 1 | 1.31K | 278K | May 2001 – Oct 2019 |
| Yturria "A" G-4-228100 | Sue-Ann Operating, L.C. only | Raymondville (Consolidated) | Willacy | 1 | 1.31K | 457K | Apr 2007 – Feb 2010 |
| Burrell, Opal G-14-111514 | Foundation Energy Management LLC only | Graystone (Morrow SD) | Wheeler | 1 | 1.3K | 494K | Feb 1993 – Jun 2014 |
| Candygram for Mongo Unit 49-50 O-11-71054 | Delray Oil, Inc. only | Platang (San Andres) | Cochran | 1 | 1.29K | 655 | Jun 2020 – Aug 2020 |
| Hutchings, J. Unit G-6-232072 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.28K | 1.41M | Sep 2007 – Aug 2026 |
| C. L. Hermes GU G-2-221830 | Pioneer Natural Res. USA, Inc. only | Stingray (Edwards) | Lavaca | 1 | 1.27K | 367K | Sep 2006 – Jan 2016 |
| Allen, R. H. Estate Oil Unit O-6-11596 | Richey Properties, Inc. only | Holleytree (Stray Sand) | Smith | 1 | 1.26K | 164K | by Jan 1993 – Feb 2008 |
| Gray GU 1 G-6-102077 | Sabine Energy Inc. only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.26K | 239K | by Jan 1993 – Sep 2019 |
| Gutierrez, Raymond G-1-191842 | Virtex Petroleum Company, Inc. only | Stuart City, S. (Escondido) | La Salle | 1 | 1.26K | 114K | Nov 2002 – Apr 2005 |
| Arkie-Bill "C" O-14-6604 | Walls Energy, Inc. only | Panhandle Gray County Field | Gray | 3 | 1.26K | 92K | by Jan 1993 – May 1999 |
| Kauffman, Jennie Ray, -B- O-2-741 | Pegasus Petroleum Corporation only | Hordes Creek | Goliad | 1 | 1.26K | 727 | by Jan 1993 – Mar 1994 |
| Vandenberg & Hill G-2-193256 | Acock/Anaqua Operating Co., LC only | Placedo, East (6000, Stray) | Victoria | 1 | 1.25K | 14.9K | Feb 2003 – Mar 2003 |
| Hutchings, J. Unit G-6-247663 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.24K | 851K | Apr 2009 – Aug 2026 |
| Shirley O-8-29457 | P.I.D. Drilling Inc only | Raynel (Strawn) | Callahan | 1 | 1.24K | 21.2K | Jul 2004 – Dec 2013 |
| Crow, Ray, Etal O-13-12226 | XTO Energy Inc. only | Sherman (Davis 8400) | Grayson | 1 | 1.23K | 12.7K | by Jan 1993 – Jun 1999 |
| Ray (SA) G-13-269718 | Formentera Operations LLC only | Newark, East (Barnett Shale) | Parker | 1 | 1.23K | 1.68M | Mar 2013 – Aug 2026 |
| Carpenter, Jim O-14-4486 | Helton, Pat A. & Alberta only | Panhandle Gray County Field | Gray | 1 | 1.23K | 52.7K | by Jan 1993 – Aug 2026 |
| Gray, Nelle O-10-23561 | Warren, Joe H. only | Four C (Clear Fork) | Pecos | 4 | 1.23K | 51 | by Jan 1993 – Jul 1999 |
| Damron O-9-2277 | Manning, Jack only | Miether (Grayburg) | Upton | 4 | 1.23K | 60 | by Jan 1993 – Dec 1997 |
| Acker "B" O-14-6611 | Mon Corp. only | Panhandle Gray County Field | Gray | 3 | 1.22K | 91.7K | by Jan 1993 – Feb 1999 |
| Gillespie Gas Unit G-4-254874 | Suemaur Expl. & Prod., LLC only | Brayton, N. (Vicksburg 8950) | Nueces | 1 | 1.22K | 14.5K | Dec 2009 – Dec 2010 |
| B Rogers G-8-281141 | Graystone Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 1.22K | 134K | Jun 2016 – Jul 2026 |
| Davenport, Velma Mrs. Unit O-13-20043 | Richey, Ray Management Co., Inc. only | Alvord, South (Atoka) | Wise | 1 | 1.22K | 168K | by Jan 1993 – May 2004 |
| Morris O-13-20881 | Richey, Ray Management Co., Inc. only | Chico, West (Conglomerate 5700) | Wise | 1 | 1.21K | 49.8K | by Jan 1993 – Nov 2002 |
| Ray, George A. G-2-186181 | Devon Energy Production Co, L.P. only | Kerr (7950) | Bee | 1 | 1.21K | 125K | Jun 2001 – Jun 2002 |
| Cox, Jack B. O-13-18760 | Richey, Ray Management Co., Inc. only | Chico, West (Conglomerate 5700) | Wise | 1 | 1.21K | 24.7K | by Jan 1993 – May 1998 |
| Lane O-14-6400 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 2 | 1.2K | 145K | by Jan 1993 – Dec 2018 |