| Welder - Ford "A" G-4-176263 | Sydri Operating, LLC only | Plymouth (6410 Stray) | San Patricio | 1 | 646 | 54K | Dec 1999 – Nov 2000 |
| Husted O-14-5184 | Myriad Resources Corporation only | Panhandle Gray County Field | Gray | 4 | 646 | 45.1K | by Jan 1993 – Apr 2003 |
| Yturria, H. G-4-183674 | Cody Energy LLC only | Raymondville (Consolidated) | Kenedy | 1 | 643 | 137K | Jun 2001 – Mar 2002 |
| Goldsmith-Blakeney /SA/Unit O-10-37638 | Occidental Permian Ltd. only | Goldsmith, East (Grayburg) | Ector | 1 | 642 | 24 | Sep 2005 – May 2006 |
| Gutierrez, Raymond M. O-1-9739 | Silver Pines Energy Corp. only | Sun T S H (Olmos) | La Salle | 1 | 638 | 67.7K | by Jan 1993 – Oct 2001 |
| Linder,ray G-2-223865 | Everest Resource Company only | Balfour, NE. (Yegua 4950) | De Witt | 1 | 637 | 436K | Apr 2006 – May 2015 |
| Griffith O-8-30075 | Grayrock Energy II, LLC only | Ball-Kuehn (Strawn, Lower) | Jones | 2 | 637 | 0 | Jun 2008 – May 2009 |
| Sullivan O-14-5266 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 2 | 635 | 28.5K | by Jan 1993 – Oct 1995 |
| Winchell, H. L. G-8-152826 | Braka Operating, L.L.C. only | Lee Ray (Duffer Lime) | Eastland | 1 | 634 | 243K | Jan 1995 – Aug 2026 |
| Blakeney 32 G-10-174345 | Petex only | Goldsmith, East (Grayburg) | Ector | 1 | 633 | 183K | Aug 1999 – Aug 2026 |
| Yturria, Frank D. G-4-183684 | Cody Energy LLC only | Raymondville (Consolidated) | Willacy | 1 | 631 | 212K | May 2001 – Sep 2006 |
| Cole, Ann O-10-33893 | Beach Exploration, Inc. only | Phoenix (Grayburg) | Martin | 1 | 631 | 12 | Jun 1993 – Jun 1994 |
| Parsons, I.M. "F" O-8-25920 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 627 | 21.3K | by Jan 1993 – May 2001 |
| Sailor O-14-4752 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 1 | 625 | 5.86K | by Jan 1993 – Nov 1997 |
| Vancil, Ralph "A" O-9-8172 | E W D Oil only | Ballinger (Gray Sand) | Runnels | 1 | 623 | 20 | by Jan 1993 – Jul 1997 |
| Parr Sunray O-4-14246 | Cerberus Engineering, LLC only | Jaboncillos (Avery 5550) | Duval | 1 | 622 | 0 | Apr 2024 – Aug 2025 |
| Jurgajtis, Raymond O-2-5341 | Janssen, Wayne Allen only | Pawelekville (5100) | Karnes | 1 | 622 | 20 | by Jan 1993 – Aug 1994 |
| Rayzor West Gas Unit #5H G-13-266232 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 621 | 228K | Feb 2012 – Aug 2026 |
| Ray "A" G-10-152078 | Wagner & Brown, Ltd. only | Conger (Penn) | Sterling | 1 | 621 | 96.4K | Dec 1994 – Feb 1999 |
| Vaniman O-14-3467 | Pantera Energy Company only | Panhandle Gray County Field | Gray | 1 | 619 | 4.97K | Nov 1994 – Jul 1998 |
| Ray G-2-228874 | Paleo Oil Company LLC only | Tulsita-Wilcox (MWC) | Bee | 1 | 619 | 43.5K | Jun 2007 – Feb 2014 |
| Katzfey G-2-229878 | York E & P, LLC only | Tom Lyne, NE. (Hockley a Stray) | Live Oak | 1 | 618 | 47.4K | Mar 2007 – Nov 2011 |
| Young O-8-29680 | Grayrock Energy II, LLC only | Mead, N. (Cisco, Upper) | Jones | 1 | 614 | 0 | Jan 2006 – Apr 2008 |
| Waddell, W.N. G-10-34403 | Blackbeard Operating, LLC only | Waddell (Grayburg) | Crane | 1 | 610 | 100K | by Jan 1993 – Feb 2024 |
| Crayton, Eugene O-8-17001 | Guidance Oil Developers, Inc. only | Shep (Caddo) | Taylor | 1 | 609 | 21.4K | by Jan 1993 – Nov 1995 |
| Minor, A. Gas Unit G-6-246652 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 608 | 295K | Feb 2009 – Mar 2026 |
| Old O-3-27292 | XOG Resources, LLC only | Chocolate Bayou (Alibel Stray) | Brazoria | 1 | 608 | 5.99K | Aug 2017 – Oct 2017 |
| Davis "B" G-8-217816 | Grayrock Energy II, LLC only | Windham, West (3400) | Shackelford | 1 | 606 | 196K | Jun 2006 – Dec 2022 |
| Rayford Estate G-6-73226 | Schlachter Operating Corporation only | Chapel Hill | Smith | 1 | 604 | 81.2K | by Jan 1993 – Nov 2001 |
| Davis "B" G-8-221576 | Grayrock Energy II, LLC only | Windham, West (3400) | Shackelford | 1 | 602 | 297K | Sep 2006 – Dec 2022 |
| Ray, George A. G-2-221626 | Paleo Oil Company LLC only | Tulsita-Wilcox ( Mackhank) | Bee | 1 | 595 | 19.9K | Jun 2006 – Jul 2026 |
| Sargent "A" O-14-5526 | Pantera Energy Company only | Panhandle Gray County Field | Gray | 3 | 593 | 20.2K | Apr 1993 – Jul 1996 |
| Lewis, Ray O-1-9261 | Great Plains Resources, Inc. only | Fairfield | Bexar | 3 | 592 | 11 | by Jan 1993 – May 1998 |
| Taylor "F" G-13-169567 | Richey, Ray Management Co., Inc. only | Boonsville (Bend Congl., Gas) | Wise | 1 | 592 | 207K | Jun 1998 – Mar 2013 |
| Morse, J. S. H O-14-3249 | H & K Plugging and Salvage only | Panhandle Gray County Field | Gray | 2 | 592 | 21 | by Jan 1993 – May 1996 |
| Dawson O-10-31685 | XOG Operating LLC only | Roy White (Grayburg) | Crane | 1 | 587 | 30 | Feb 1993 – Nov 1996 |
| Yturria, Frank D. G-4-191787 | Cody Energy LLC only | Raymondville (Consolidated) | Willacy | 1 | 586 | 137K | Oct 2002 – Jan 2004 |
| Raymal Eagle G-10-76352 | O'Neill Properties, Ltd. only | Gomez, N. (Devonian) | Pecos | 1 | 585 | 7.8M | by Jan 1993 – Jul 2026 |
| Willingham O-8-20516 | Herring, Ray only | Ryan (Congl. 4365) | Palo Pinto | 2 | 585 | 42.4K | by Jan 1993 – Apr 1994 |
| Egolf "B" O-9-2573 | Manning, Jack only | Miether (Grayburg) | Upton | 1 | 578 | 58 | by Jan 1993 – Oct 1997 |
| Traylor, M.B. Est. G-2-127387 | White Marlin Operating Co, LLC only | Maude B. Traylor (F-41-61, Deep) | Calhoun | 1 | 577 | 12.2K | by Jan 1993 – Feb 1996 |
| Richards, W. R. et Al G-13-151485 | Richey, Ray Management Co., Inc. only | Jack County Regular (Gas) | Jack | 1 | 577 | 101K | Oct 1994 – Feb 2010 |
| TXL -A- O-10-14028 | R.K.G. Operations, Inc. only | Moss (Grayburg) | Ector | 3 | 577 | 18 | by Jan 1993 – Jun 1995 |
| Johnson, S. O-8-26718 | Mercury Exploration Co. only | Grand Old Oplin (Gray) | Callahan | 1 | 577 | 19 | by Jan 1993 – Aug 1994 |
| Wilson, Ray G-14-22070 | Upland Resources LLC only | Feldman (Tonkawa) | Hemphill | 1 | 577 | 600K | by Jan 1993 – Aug 2026 |
| Waggoner -C- O-13-6830 | Farrell Oil Company only | Grayback (Ellenburger) | Wilbarger | 3 | 576 | 46 | by Jan 1993 – Feb 1997 |
| Creswell O-8-18638 | Rayco Operating, Inc. only | Gumbiner (Morris) | Coleman | 3 | 575 | 21 | by Jan 1993 – Jun 1995 |
| Cordova -D- O-9-1236 | Bustos, Martin Oil only | Rodman-Noel (Grayburg) | Upton | 2 | 575 | 7 | by Jan 1993 – Jul 2005 |
| Ray G-10-184059 | Bennett, R. C., Company only | Conger (Penn) | Sterling | 1 | 573 | 113K | Jul 2001 – Jan 2011 |
| Rich, C.C. G-13-104434 | Richey, Ray Management Co., Inc. only | Alvord, South (Atoka) | Wise | 1 | 572 | 51.7K | by Jan 1993 – Dec 2001 |