| Yturria, Frank D. G-4-195031 | EP Energy E&P Company, L.P. only | Raymondville, W (L-70) | Willacy | 1 | 3.54K | 1.25M | Jan 2003 – Oct 2009 |
| Fasken, Andrew Unit -6- O-10-29188 | Endeavor Energy Resources L.P. only | Germania (Grayburg) | Midland | 1 | 3.54K | 133 | by Jan 1993 – Apr 2006 |
| WW McElmurray 'B' O-8-32534 | Scout Energy Management LLC only | White Flat (Noodle Creek) | Nolan | 1 | 3.53K | 8.11K | Aug 2021 – Aug 2026 |
| Ford, H. M. -C- O-10-32968 | Ranger 40 Petroleum, LLC only | Parker (Grayburg, San Andres) | Andrews | 4 | 3.52K | 34 | Feb 1993 – Mar 2020 |
| Egan, Ruben W. O-6-10030 | Bachtell, Charles Ray only | Woodlawn (Pettit 6500) | Harrison | 1 | 3.52K | 129 | by Jan 1993 – Jun 1998 |
| Gillespie G-4-177949 | Range Production Company only | Brayton, N. (Vicksburg 9250) | Nueces | 1 | 3.51K | 13K | Apr 2000 – Jan 2001 |
| Traylor O-2-6732 | Magnum Producing, LP only | Heyser (7200) | Victoria | 1 | 3.49K | 81 | by Jan 1993 – Mar 2004 |
| Gray, J. A. O-8-4058 | North Ridge Corporation only | Jackson (Strawn) | Stephens | 8 | 3.49K | 26 | by Jan 1993 – Apr 1999 |
| Smith, Delmon O-8-26163 | D.T. Inc. only | Lawn (Gray Sand) | Taylor | 3 | 3.47K | 1.16K | by Jan 1993 – Mar 1996 |
| Pfluger -66- O-9-8515 | Mulloy Operating, Inc. only | Maggie Neal (Grayburg) | Crockett | 1 | 3.47K | 21 | by Jan 1993 – Oct 2011 |
| Burnett -A- O-13-13503 | Craighead, Ray Well Service Inc only | Wichita County Regular | Wichita | 12 | 3.47K | 18 | by Jan 1993 – Jan 2011 |
| Chapman -A- O-14-220 | P & F Operating, LLC only | Panhandle Gray County Field | Gray | 3 | 3.47K | 114K | by Jan 1993 – Aug 2026 |
| Pacific Gas Unit G-3-175516 | Magnum Producing, LP only | Patrick P. Ray (Wilcox 9040) | Montgomery | 1 | 3.47K | 150K | Oct 1999 – May 2004 |
| Trayler, Charles O-8-18534 | Hipp Oil and Gas Inc. only | Jones County Regular | Jones | 2 | 3.46K | 17 | by Jan 1993 – May 2026 |
| Murray, J. M. O-6-1449 | Four - S Oil Company, Inc. only | Ralph Spence (Sub-Clarksville) | Houston | 2 | 3.46K | 72 | by Jan 1993 – May 2002 |
| State Tract 466 G-4-150552 | Bristol Resources Corporation only | Mustang Island (Stray 10) | Nueces | 1 | 3.45K | 628K | May 1994 – Jan 1997 |
| Ritchie, J.P. G-8-130994 | Richey, Ray Management Co., Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 3.44K | 271K | by Jan 1993 – Mar 2013 |
| Leopold -A- O-14-318 | PG-M International Operating,llc only | Panhandle Gray County Field | Gray | 6 | 3.44K | 10.2K | by Jan 1993 – Oct 2016 |
| Foster G-10-81735 | Rayden only | Conger (Penn) | Sterling | 1 | 3.44K | 305K | by Jan 1993 – Aug 2026 |
| Gray, A. O-8-4065 | North Ridge Corporation only | Jackson (Strawn) | Stephens | 4 | 3.43K | 25 | by Jan 1993 – Apr 1999 |
| Gillespie Gas Unit G-4-225514 | Suemaur Expl. & Prod., LLC only | Brayton, N. (Vicksburg 9900) | Nueces | 1 | 3.43K | 19.8K | Oct 2006 – Dec 2006 |
| Jones, James O-8-23729 | Aop Operating Corporation only | Clare (Gray SD) | Callahan | 5 | 3.42K | 4.66K | by Jan 1993 – Sep 1993 |
| Rayford, Bess O-6-15152 | Eqv Operating LLC only | Minden (Travis Peak Cons.) | Rusk | 1 | 3.42K | 6.78K | Dec 2011 – May 2026 |
| Combs-Worley NCT-1 O-14-1660 | Dalf Energy LLC only | Panhandle Gray County Field | Gray | 3 | 3.42K | 5 | Jul 1993 – Jun 2011 |
| Wolters, R. A. O-9-10231 | Isom Energy, Inc. only | John Scott (Grayburg) | Reagan | 2 | 3.42K | 25 | by Jan 1993 – Apr 2010 |
| Pavlik G-3-147123 | Brayton Operating Corp. only | Mott Slough (Yegua) | Wharton | 1 | 3.42K | 99.7K | Sep 1993 – Sep 1994 |
| Johnson, Doyle O-8-23737 | Mercury Exploration Co. only | Grand Old Oplin (Gray) | Callahan | 1 | 3.41K | 14K | by Jan 1993 – Nov 1997 |
| Suzi O-14-6804 | Pantera Energy Company only | Panhandle Gray County Field | Gray | 2 | 3.4K | 154K | by Jan 1993 – Dec 1998 |
| Hopkins O-14-2173 | L & W Operators only | Panhandle Gray County Field | Gray | 2 | 3.4K | 207K | by Jan 1993 – Sep 2012 |
| Rayford, Bess GU G-6-242436 | Eqv Operating LLC only | Henderson, E. (Cotton Valley) | Rusk | 1 | 3.4K | 320K | Jun 2008 – Jul 2026 |
| Early-6 O-8-28611 | Herring, Ray only | JN (Caddo) | Haskell | 1 | 3.39K | 13 | Mar 1999 – Apr 2004 |
| Ray "C" G-10-140918 | Burk Royalty Co., Ltd. only | Conger (Penn) | Sterling | 1 | 3.39K | 356K | by Jan 1993 – Aug 2026 |
| Key, Delores "B" O-11-64974 | Gray, Gordon Operator only | Revilo (Glorieta) | Scurry | 1 | 3.38K | 56 | by Jan 1993 – Aug 2026 |
| Whitehead O-10-32957 | Escondido Bay Corporation only | Phoenix, South (Grayburg) | Martin | 1 | 3.34K | 2.58K | by Jan 1993 – Jan 2025 |
| Cantu G-4-179455 | WJW Operating Co.,llc only | Flores (Rincon VX Stray) | Starr | 1 | 3.34K | 114K | Mar 2000 – Aug 2000 |
| Simmonds & Perry G-4-110902 | Suemaur Expl. & Prod., LLC only | Brayton, N. (Vicksburg 10,000) | Nueces | 1 | 3.34K | 67.6K | by Jan 1993 – May 1999 |
| Ray, T. G-2-146397 | Tidal Petroleum, Inc. only | Gamble Gully, SW. (7100) | Live Oak | 1 | 3.33K | 948K | Jul 1993 – May 2010 |
| Childress, Ray O-3-22038 | Shana Petroleum Company only | Eldridge (Yegua Y-7) | Colorado | 1 | 3.33K | 35K | May 1993 – May 1994 |
| Anp -136- O-8-28370 | Richey, Ray Management Co., Inc. only | Swenson (Caddo) | Throckmorton | 2 | 3.32K | 4.89K | Jan 1998 – Oct 2000 |
| Hommel O-14-2539 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 2 | 3.31K | 17.6K | by Jan 1993 – Apr 2010 |
| Boothe Unit G-2-257633 | Sydson Energy, Inc. only | Ray (Vicksburg-Hockley) | Bee | 1 | 3.31K | 318K | Aug 2010 – May 2025 |
| VT Gutierrez, Raymond G-1-187445 | Lewis Petro Properties, Inc. only | Sun T S H (Olmos) | La Salle | 1 | 3.31K | 239K | Nov 2001 – Aug 2026 |
| Shaw, Juanita O-8-25500 | Herring, Ray only | Throckmorton, N. (Bas Canyon UP) | Throckmorton | 1 | 3.28K | 29.1K | by Jan 1993 – May 2002 |
| Allen, Jeannie O-6-14573 | Graystone Energy Corporation only | Minden (Travis Peak Cons.) | Rusk | 1 | 3.28K | 823 | Apr 2006 – Aug 2015 |
| The Waco Kid Unit 02 O-11-70768 | Delray Oil, Inc. only | Sable (San Andres) | Cochran | 1 | 3.27K | 608 | Oct 2017 – Sep 2018 |
| Cross, J. T. O-10-12062 | Acoma Operating, LLC only | Moss (Grayburg) | Ector | 5 | 3.27K | 18 | by Jan 1993 – Jan 2014 |
| Boothe O-9-8051 | Tejas Jack Sales, Inc. only | Barnhart, NE. (Grayburg) | Reagan | 2 | 3.25K | 18 | by Jan 1993 – Jul 2014 |
| Hudgins, T. M., Unit O-13-14814 | Grayson Petroleum Company only | Hudgins, SW. (Oil Creek) | Grayson | 1 | 3.24K | 5.19K | by Jan 1993 – Jan 1998 |
| TXL 1902-T O-10-33940 | Endeavor Energy Resources L.P. only | York (Queen-Grayburg) | Ector | 4 | 3.23K | 17.5K | Sep 1993 – May 2006 |
| Walker, Ray -A- O-10-22503 | Xeric Oil & Gas Corporation only | Spraberry (Trend Area) | Martin | 1 | 3.23K | 12.3K | by Jan 1993 – May 1998 |