| Ayer, J. E. O-14-427 | Wischkaemper, Kenneth only | Panhandle Gray County Field | Gray | 2 | 6.77K | 512 | by Jan 1993 – May 2026 |
| State O-3-11952 | Linc Gulf Coast Petroleum, Inc. only | Cedar Point(frio Stray Upper) | Chambers | 1 | 6.76K | 9.62K | Feb 2006 – Oct 2013 |
| Son, M. Y. O-14-3299 | Helton Petroleum only | Panhandle Gray County Field | Gray | 3 | 6.76K | 221K | by Jan 1993 – Jul 2026 |
| Gorenflo, J. N. O-14-276 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 1 | 6.73K | 166K | by Jan 1993 – Aug 2026 |
| Ruhmann, E. P. -A- O-9-3059 | Golden Specialties Oil & Gas only | Miether (Grayburg) | Upton | 2 | 6.71K | 91 | by Jan 1993 – Jan 2015 |
| Hittson -B- G-8-17881 | Rister Oil&gas International LLC only | Lee Ray (Lake) | Eastland | 1 | 6.7K | 681K | by Jan 1993 – Jun 2023 |
| Smith, Lee et UX O-8-29074 | Delray Oil, Inc. only | Coleman County Regular | Coleman | 1 | 6.7K | 43.8K | Dec 2001 – Jan 2020 |
| Ray, George A. G-2-180476 | Paleo Oil Company LLC only | Kerr (7910) | Bee | 1 | 6.69K | 283K | Sep 2000 – Mar 2002 |
| Univ. "26-29" A O-9-11381 | Vinson Exploration only | Bachelor Hill (Grayburg) | Crockett | 1 | 6.67K | 25.6K | by Jan 1993 – May 2024 |
| Waggoner "E" O-13-6825 | Johnson & Ernst Operating Co. only | Grayback (Ellenburger) | Wilbarger | 2 | 6.67K | 13 | by Jan 1993 – Jan 1999 |
| Npu (Ray -10L ) G-2-74989 | Paleo Oil Company LLC only | Tulsita-Wilcox ( 7,700) | Bee | 1 | 6.67K | 635K | Jan 1995 – Oct 2005 |
| Ray O-13-13422 | Viejo Services, LLC only | Archer County Regular | Archer | 5 | 6.63K | 43 | by Jan 1993 – Apr 2021 |
| Edwards-Brown O-10-13545 | Baker Operating, Inc. only | Double -H- (Grayburg) | Ector | 2 | 6.63K | 46 | by Jan 1993 – Aug 2026 |
| Probst, Dorothy O-2-7132 | Acock Operating Limited only | Ray Point, SW. (Slick-Wilcox) | Live Oak | 2 | 6.62K | 60 | by Jan 1993 – Feb 2000 |
| Ray, George A. G-2-135186 | XTO Energy Inc. only | Tulsita-Wilcox ( Luling) | Bee | 1 | 6.62K | 2.22M | by Jan 1993 – Jan 2010 |
| Waddell TR 1 G-10-72449 | Blackbeard Operating, LLC only | Waddell (Grayburg) | Crane | 1 | 6.61K | 540K | by Jan 1993 – Aug 2026 |
| Barnett O-8-21702 | Petro-Beth Oil & Gas, Inc. only | Novice, West (Gray) | Coleman | 2 | 6.61K | 17.1K | by Jan 1993 – Apr 1996 |
| Gillespie Unit G-4-117281 | Range Production Company only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 6.6K | 481K | by Jan 1993 – Mar 2000 |
| XX Ranch O-8-29199 | Enrich Oil Corporation only | XX Ranch (Gray) | Coleman | 2 | 6.58K | 25.2K | Dec 2002 – Aug 2007 |
| O'Neal, Ray "A" G-13-194122 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 6.58K | 838K | Dec 2002 – Aug 2026 |
| Fasken -15- O-10-21306 | Fasken, Barbara only | Midland Farms,e(grayburg,upper) | Andrews | 1 | 6.58K | 18 | by Jan 1993 – Aug 1994 |
| Doss O-14-5511 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 7 | 6.56K | 370K | by Jan 1993 – Aug 2026 |
| Woodward Farms O-13-33709 | Ray Herring Operating Co., LLC only | Young County Regular | Young | 1 | 6.55K | 0 | Aug 2017 – Aug 2026 |
| Waddell TR 1 G-10-69238 | Blackbeard Operating, LLC only | Waddell (Grayburg) | Crane | 1 | 6.53K | 329K | Aug 1998 – Aug 2026 |
| Slick, T.B. Estate G-4-162709 | Fina Oil & Chemical Company only | Hinde (Frio Stray) | Starr | 1 | 6.53K | 85.6K | May 1996 – May 1999 |
| Johnson "A" O-8-22537 | Benson & Schoen Oil Co., Inc. only | Grand Old Oplin (Gray) | Callahan | 1 | 6.53K | 16.2K | by Jan 1993 – May 2004 |
| Ray Cox O-13-33249 | Seitz, J. R. & Adam, Ltd. only | Dove | Cooke | 1 | 6.52K | 0 | Aug 2013 – Aug 2026 |
| King-Williams O-13-23398 | Ray Herring Operating Co., LLC only | Young County Regular | Young | 4 | 6.52K | 5.18K | by Jan 1993 – Aug 2026 |
| Baldy 37 O-10-41502 | Purvis Operating Co. only | Ray Albaugh (Wolfcamp) | Mitchell | 1 | 6.5K | 679 | Jul 2011 – Dec 2012 |
| Rayford, Bess G-6-235114 | Eqv Operating LLC only | Henderson, E. (Cotton Valley) | Rusk | 1 | 6.49K | 551K | Jan 2008 – Aug 2026 |
| Gates Ranch B G-1-139168 | White Oak Operating Company LLC only | Catarina, SW. (Olmos N-3 Stray) | Webb | 1 | 6.49K | 249K | by Jan 1993 – Oct 2012 |
| Schulze, Herbert K. et Al G-4-109838 | Hughes, Dan A. Company only | Brayton, N. (Vicksburg 9900) | Nueces | 1 | 6.47K | 456K | by Jan 1993 – Mar 1999 |
| Gem O-14-4161 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 1 | 6.45K | 1.58K | by Jan 1993 – Aug 2026 |
| Carr "A" O-9-10818 | Crossbrand Power LLC only | John Scott (Grayburg) | Reagan | 2 | 6.45K | 21 | by Jan 1993 – Jul 2026 |
| Hendrix O-14-5502 | Dalf Energy LLC only | Panhandle Gray County Field | Gray | 8 | 6.44K | 562K | by Jan 1993 – Aug 2015 |
| Traylor, Maude B. O-2-8331 | Wagner Oil Company only | Maude B. Traylor (7500) | Calhoun | 1 | 6.43K | 81.7K | Jan 1998 – May 2003 |
| Raynolds, H.F. O-10-39711 | Rayden only | Athey (Bone Springs 9000) | Pecos | 1 | 6.42K | 4.97K | Sep 2009 – Aug 2026 |
| Rayford, Henry O-6-11285 | Schlachter Operating Corporation only | Chapel Hill (Travis Peak) | Smith | 2 | 6.41K | 88.7K | by Jan 1993 – May 2005 |
| Owens, Ella -B- O-9-11342 | WTG Exploration only | Price (Grayburg) | Reagan | 4 | 6.41K | 10.8K | by Jan 1993 – May 2023 |
| Yturria, Frank D. et Al O-4-13055 | Cody Energy LLC only | Raymondville (6750) | Willacy | 1 | 6.4K | 9.09K | Sep 2001 – Jan 2002 |
| Gray O-8-19919 | Leclair Operating, L.L.C. only | Hrubetz (Ellen) | Coleman | 3 | 6.4K | 27.3K | by Jan 1993 – Nov 2020 |
| Ray Gas Unit #2 G-6-197448 | McBee Operating Company, L.L.C. only | Rosewood (Cotton Valley) | Upshur | 1 | 6.37K | 1.05M | Aug 2003 – Aug 2026 |
| Ray, George A. G-2-185709 | Devon Energy Production Co, L.P. only | Kerr (7700) | Bee | 1 | 6.35K | 417K | Jun 2001 – Jul 2002 |
| Fassett O-13-14024 | Craighead, Ray Well Service Inc only | Wichita County Regular | Wichita | 1 | 6.35K | 18 | by Jan 1993 – Nov 2011 |
| Minor, A. Gas Unit G-6-177154 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 6.33K | 1.78M | Mar 2000 – Jul 2026 |
| Werewolf (Strawn Sand) Unit O-8-24332 | Delray Oil, Inc. only | Werewolf (4900) | Haskell | 5 | 6.32K | 24 | by Jan 1993 – Dec 1994 |
| University 6 O-10-33214 | Sunray Energy, Inc. only | Martin (Clear Fork) | Andrews | 1 | 6.31K | 124K | by Jan 1993 – Nov 2002 |
| Meek G-2-204888 | Brayton Operating Corp. only | Salem, East (4100) | Victoria | 1 | 6.31K | 55.1K | Jan 2004 – Jul 2004 |
| Williamson Unit G-6-198761 | Grayrock Energy II, LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 6.31K | 1.02M | Nov 2003 – Feb 2024 |
| Adams, Ray O-11-17999 | Endeavor Energy Resources L.P. only | Ackerly (Dean Sand) | Dawson | 2 | 6.3K | 22.5K | by Jan 1993 – Jan 2000 |