| Rambo, D. L. O-4-8236 | Welderxp Ltd. only | Plymouth (5500 Stray) | San Patricio | 1 | 43.8K | 80 | by Jan 1993 – Jul 2026 |
| Snyder, D. H. O-10-16258 | Grayrock Energy II, LLC only | Snyder | Howard | 7 | 43.7K | 4.63K | by Jan 1993 – Aug 2026 |
| Scott O-9-9966 | Miltex Oil Company only | John Scott (Grayburg) | Reagan | 3 | 43.6K | 20 | by Jan 1993 – Aug 2026 |
| Short, J. C. O-14-652 | Lejan, Inc. only | Panhandle Gray County Field | Gray | 11 | 43.4K | 161K | by Jan 1993 – Aug 2026 |
| Hood, J. A. O-14-597 | S & W Oil & Gas, LLC only | Panhandle Gray County Field | Gray | 11 | 43.3K | 150K | by Jan 1993 – Aug 2026 |
| Corcoran, Ray Gas Unit G-3-268508 | Sundown Energy LP only | Weimar, S. (Wilcox 9500 Channel) | Colorado | 1 | 43.3K | 622K | Nov 2011 – Jan 2022 |
| Bowers, J. B. O-14-661 | OL' Boys Operations LLC only | Panhandle Gray County Field | Gray | 4 | 43.3K | 318K | by Jan 1993 – Aug 2026 |
| Rayden McCamey O-10-45314 | Blackbeard Operating, LLC only | Armer (6350) | Crane | 2 | 43.2K | 351K | Mar 2014 – Aug 2026 |
| Parker, J. E. -A-TR O-10-22240 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 43K | 18.2K | by Jan 1993 – Aug 2026 |
| University -E- O-9-2548 | L & M Operating, Inc. only | Weger, West (Grayburg) | Crockett | 3 | 42.9K | 971 | by Jan 1993 – Aug 2026 |
| Vergara-Rayzor Gas Unit G-4-130151 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 42.9K | 2.25M | by Jan 1993 – Aug 2026 |
| Wolters -D- TG O-9-4744 | Coppertop only | John Scott (Grayburg) | Reagan | 2 | 42.7K | 68 | by Jan 1993 – Aug 2026 |
| Chumbley, Gladys Etal O-13-9800 | Grayson Petroleum Company only | Mackoy (Ellenburger) | Grayson | 1 | 42.5K | 23 | by Jan 1993 – Aug 2026 |
| Sansom, J. O-8-13601 | Leclair Operating, L.L.C. only | Templeton, North (Gray) | Coleman | 2 | 42.3K | 963K | by Jan 1993 – May 2021 |
| R. L. P. Investments O-8-28641 | Rayco Operating, Inc. only | Whitley (Gray Sand) | Coleman | 2 | 42.3K | 21.4K | Aug 1999 – Aug 2026 |
| Liberty-Gray O-2-1195 | Allegiant Resources, LLC only | Placedo | Victoria | 3 | 42.3K | 12.7K | by Jan 1993 – Oct 2017 |
| I. P. Farms G-3-168017 | Atlas Operating LLC only | Chocolate Bayou,n.(andrau Stray) | Brazoria | 1 | 42.3K | 2.66M | Apr 1998 – Jan 2015 |
| Mueller, Arlen & Barbara O-2-7337 | Delray Oil, Inc. only | Buehler (Carrizo) | Karnes | 2 | 42.1K | 1.91K | by Jan 1993 – Mar 2018 |
| Wolters O-9-10150 | Michaelson Producing Company only | John Scott (Grayburg) | Reagan | 5 | 42.1K | 13.5K | by Jan 1993 – Aug 2026 |
| Raymond G-3-272084 | White Stride LLC only | Cottonwood, N. (14,270) | Liberty | 1 | 41.9K | 693K | Sep 2013 – Aug 2026 |
| Shirk, J. H., -B- O-9-3453 | Oxiom Group LLC only | Shirk (Grayburg) | Upton | 3 | 41.9K | 21 | by Jan 1993 – Aug 2026 |
| Bray Unit G-13-273425 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 41.8K | 1.72M | May 2010 – Aug 2026 |
| Walker, A. R. "A" O-13-22104 | Grayson Petroleum Company only | Sandusky, West (Dornick Hills) | Grayson | 1 | 41.8K | 21 | by Jan 1993 – Aug 2026 |
| Glass -A- O-10-40229 | King Energy Resources only | Herrell (Grayburg) | Sterling | 1 | 41.7K | 0 | Jun 2010 – Aug 2026 |
| Hemphill C O-8-22809 | Sands Energy LLC only | Mary Opal (Gray Sand) | Coleman | 1 | 41.7K | 49.8K | by Jan 1993 – Aug 2021 |
| Alderman, Ray "65-B" O-8-23495 | Goodrock Natural Resources, LLC only | Suggs (Ellenburger) | Nolan | 1 | 41.6K | 14.2K | by Jan 1993 – Feb 2018 |
| Chapotal Land Co. -A- O-4-12830 | Smith Production Inc. only | Yturria (4590 Stray) | Starr | 1 | 41.6K | 53.2K | Apr 1999 – Aug 2014 |
| Eubank O-11-62784 | Gray, Gordon Operator only | Sharon Ridge (1700) | Scurry | 3 | 41.4K | 144 | by Jan 1993 – Aug 2026 |
| Carr, John O-9-4734 | Diamondback E&P LLC only | John Scott (Grayburg) | Reagan | 10 | 41.3K | 35 | by Jan 1993 – Sep 2021 |
| Edwards O-10-14739 | Baker Operating, Inc. only | Double -H- (Grayburg) | Ector | 4 | 41.2K | 24.3K | by Jan 1993 – Aug 2026 |
| Traylor, Maude A G-2-226803 | Remora Operating, LLC only | Maude B. Traylor (F-41-61, Deep) | Calhoun | 1 | 40.9K | 1.4M | Feb 2007 – Nov 2014 |
| Cullum O-14-3978 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 6 | 40.9K | 150K | by Jan 1993 – Aug 2026 |
| Univ. "29-D" O-9-10159 | Vinson Exploration only | Bachelor Hill (Grayburg) | Crockett | 4 | 40.9K | 205K | by Jan 1993 – May 2024 |
| Reynolds, E. E. O-14-403 | 6A Production only | Panhandle Gray County Field | Gray | 2 | 40.9K | 50.3K | by Jan 1993 – Aug 2026 |
| Davis, H. M. O-14-636 | 6A Production only | Panhandle Gray County Field | Gray | 7 | 40.7K | 312K | by Jan 1993 – Aug 2026 |
| HBL Unit O-14-7032 | Crude Operators, L.L.C. only | Panhandle Gray County Field | Gray | 22 | 40.7K | 24.1K | Sep 1994 – Aug 2026 |
| Parker, J. E. "D" O-10-34619 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 40.7K | 37.6K | Aug 1995 – Jun 2016 |
| McNiece "A" O-8-21540 | Leclair Operating, L.L.C. only | McNiece (Gray 4070) | Taylor | 2 | 40.4K | 82.5K | by Jan 1993 – Apr 2017 |
| 2-4 Johnson O-14-3074 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 2 | 40.4K | 2.03K | by Jan 1993 – Aug 2026 |
| Hickman, N. W. -B- O-9-2591 | Digital Operating Company LLC only | Price (Grayburg) | Reagan | 6 | 40.3K | 3.38K | by Jan 1993 – Jun 2026 |
| Rest 160 O-14-372 | Curzac Oil and Gas, LLC only | Panhandle Gray County Field | Gray | 24 | 40.2K | 165K | by Jan 1993 – Aug 2026 |
| Ripple, Roddy O-4-12661 | Wallis Energy, Inc. only | Brayton, N. (Vicksburg 8950) | Nueces | 1 | 40.1K | 169K | Apr 1997 – Jun 2026 |
| Farris G-3-178217 | Faulconer Energy, LLC only | Raywood, N. (Cook Mtn., Lower) | Liberty | 1 | 40K | 11.4M | Nov 1999 – Aug 2026 |
| Castleberry O-14-227 | Petco Energy Corporation only | Panhandle Gray County Field | Gray | 5 | 40K | 69.4K | by Jan 1993 – Aug 2026 |
| Ray, Lee A O-8-31120 | Safari Resources, LLC only | Lee Ray (Caddo) | Stephens | 3 | 40K | 1.67M | Dec 2010 – Jul 2026 |
| Douthit, E. W. -N- O-10-41274 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 2 | 40K | 0 | Dec 2011 – Oct 2025 |
| Murray O-10-2895 | Bce-Mach III LLC only | Iatan, East Howard | Howard | 8 | 39.8K | 5.51K | by Jan 1993 – Aug 2026 |
| Raney, J. O-11-65028 | Texas Rayco Inc. only | Welch | Terry | 1 | 39.8K | 99 | by Jan 1993 – Aug 2026 |
| Jarvis, Raymond O-14-7163 | BP America Production Company only | Lips, West (Cleveland) | Ochiltree | 1 | 39.7K | 189K | May 1996 – Apr 2011 |
| University of Texas -234 O-9-9422 | Warren American Oil Company only | Block 46, East (Grayburg) | Crockett | 5 | 39.7K | 29.5K | by Jan 1993 – Sep 1998 |