| Robert E. Meek G-3-251328 | Faulconer Energy, LLC only | Porter's Creek (Yegua) | Wharton | 1 | 19.1K | 1.19M | Aug 2009 – Aug 2026 |
| Barnsley, M. L. O-10-16794 | Robertson Resources, Inc. only | Sand Hills (Tubb) | Crane | 2 | 19K | 121 | by Jan 1993 – Jan 2003 |
| Urban, Robert H. et Al O-14-3917 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 19K | 58.4K | by Jan 1993 – May 2016 |
| Roberts Unit G-6-130510 | Diversified Production LLC only | Carthage (Cotton Valley) | Panola | 1 | 18.8K | 2.03M | by Jan 1993 – Aug 2026 |
| Robertson, Grace Tr. "A" O-11-10613 | Anadarko Petroleum Corporation only | Forbes (Glorieta) | Crosby | 4 | 18.8K | 9.91K | by Jan 1993 – Feb 1996 |
| Roberts, W. T. O-10-33286 | Highpeak Energy Holdings, LLC only | Morgan Ranch (Leonard) | Howard | 1 | 18.8K | 5.73K | by Jan 1993 – Aug 2026 |
| Battjer, Patti O-10-31137 | Wash, Robert C. Inc. only | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 18.7K | 181 | by Jan 1993 – Nov 2011 |
| Gulf-Robertson-McDonald O-3-16559 | K. O. C. Corporation only | Moss Bluff | Liberty | 1 | 18.7K | 32 | by Jan 1993 – Oct 2009 |
| Heirs, Welder G-2-169252 | Dominion Expl. & Prod., Inc. only | Rob Welder (Wilcox 10,400) | Victoria | 1 | 18.6K | 450K | Mar 1998 – Jul 2004 |
| Robertson-Bluestem O-13-23667 | Charter Oak Production Co., LLC only | September (9300) | Grayson | 1 | 18.5K | 710K | by Jan 1993 – Mar 2021 |
| Roberts, W. T. O-10-34140 | Endeavor Energy Resources L.P. only | Twins (Wolfcamp) | Howard | 1 | 18.5K | 133K | Mar 1994 – Sep 2005 |
| Wtu Robinson G-2-209990 | Britanco, L.L.C. only | Tuleta, West (Slick-Wilcox 7900) | Bee | 1 | 18.5K | 969K | Apr 2005 – Aug 2026 |
| Smith -59- O-9-9196 | Pioneer Natural Res. USA, Inc. only | Probandt (Canyon) | Irion | 4 | 18.5K | 91.4K | by Jan 1993 – Jul 2005 |
| Roberta "A" O-10-30770 | Burleson, Lewis B. Inc. only | Belding (Yates) | Pecos | 5 | 18.4K | 27.3K | by Jan 1993 – Jul 1994 |
| Keen, J. E. O-13-7534 | Craig, Robert A. only | Young County Regular | Young | 10 | 18.4K | 21 | by Jan 1993 – Aug 2026 |
| Roberts Trust O-10-42989 | WTG Exploration only | Spraberry (Trend Area) | Dawson | 1 | 18.3K | 3.81K | Sep 2012 – Mar 2023 |
| Jordan Estate O-8-25558 | Robertson Resources, Inc. only | Suggs (Ellenburger) | Coke | 1 | 18.2K | 2.54K | by Jan 1993 – Oct 2004 |
| Grissom - 2 O-8-20101 | Wilcox Petroleum Operating LLC. only | Robertson-Grissom (Jud) | Haskell | 1 | 18.1K | 44 | by Jan 1993 – Mar 2016 |
| Wash-Douthit "D" O-10-48150 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Howard | 2 | 18.1K | 121 | Dec 2011 – Jul 2026 |
| Roberts HV Unit G-6-288361 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Panola | 1 | 18K | 14.1M | Oct 2019 – Aug 2026 |
| Donahoe, James O-5-2966 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 18K | 1.06K | by Jan 1993 – Aug 2026 |
| Robinson-Reaves G-2-225528 | Remora Operating, LLC only | Marshall (Middle Wilcox) | Goliad | 1 | 18K | 1.48M | Mar 2005 – Aug 2026 |
| Wharton, A. B. Jr. "D" Joa O-11-69145 | Sabinal Energy Operating, LLC only | Robertson, N. (San Andres) | Gaines | 2 | 17.9K | 11.7K | Sep 2007 – Oct 2018 |
| S.T. 278-L S/2 (Rutherford Unit) G-3-229797 | Hall-Houston Expl. II, L.P. only | Dolphin Prospect (Rob M 8100) | Galveston-LB | 1 | 17.9K | 4.24M | Jul 2007 – Sep 2012 |
| Roberts, Vivian O-1-4515 | Tren Energy LLC only | Darst Creek (Buda) | Guadalupe | 5 | 17.8K | 38.2K | by Jan 1993 – Sep 2024 |
| Roberts, HY O-6-4369 | Cinron Energy, LLC only | Bethany, NE. (Jenkins) | Panola | 1 | 17.7K | 96 | by Jan 1993 – Jul 2026 |
| Roberts, HY -A- O-6-4451 | Cinron Energy, LLC only | Bethany, NE. (3720 Sand) | Panola | 1 | 17.7K | 96 | by Jan 1993 – Jul 2026 |
| Eason, A. C. O-13-3823 | Petrobal Omega 1, LLC only | Patten (Strawn) | Jack | 2 | 17.6K | 20.3K | Sep 1994 – Oct 2012 |
| Hutchings, Robert G-3-139578 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk, Gas) | Burleson | 1 | 17.6K | 537K | by Jan 1993 – Apr 2000 |
| Robertson, J. H. O-13-20153 | Perry Operating Inc. only | Young County Regular | Young | 4 | 17.6K | 2.6K | by Jan 1993 – Aug 2026 |
| Roberts -C- O-10-47941 | Double Barrel Oil LLC only | Howard Glasscock (Consolidated) | Howard | 3 | 17.6K | 0 | Dec 2011 – Apr 2025 |
| Roberson -D- O-10-30912 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 17.6K | 205K | by Jan 1993 – Oct 2007 |
| Robwright Unit O-13-34127 | Felderhoff Production Company only | Hester (Strawn) | Grayson | 1 | 17.5K | 0 | Jul 2022 – Jul 2026 |
| Richey "53" O-9-16023 | Pioneer Natural Res. USA, Inc. only | Probandt (Canyon) | Irion | 2 | 17.5K | 532K | May 2006 – Aug 2026 |
| Robertson, R. J. Estate O-13-22338 | Ranger Operating Co. only | Knox, S. (Miss) | Young | 1 | 17.5K | 240 | by Jan 1993 – Aug 2026 |
| S. T. 310-L S/2/NE/4 G-3-159858 | Walter Oil & Gas Corporation only | Cyclone (Rob 43 6350 Res. A) | Galveston-LB | 1 | 17.5K | 8.11M | May 1996 – Apr 2011 |
| Esn Probandt O-9-16722 | Lipan Flats Production, L.L.C. only | Harriett | Tom Green | 1 | 17.5K | 2.78K | Oct 2008 – Nov 2019 |
| Belger, R. Unit O-5-2577 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 17.4K | 20.3K | by Jan 1993 – Aug 2026 |
| Robertson Lee J O-14-9686 | J-Brex Company only | Hansford, North (Kansas City) | Hansford | 1 | 17.3K | 42.5K | Mar 2019 – Aug 2026 |
| S & E Real Estate O-8-20795 | Rob-Joe Gas & Oil Co. only | Micar (Bend Congl. 3727) | Stephens | 3 | 17.2K | 571K | by Jan 1993 – Aug 2026 |
| Roberts Oil Unit O-6-14195 | Diversified Production LLC only | Carthage (Travis Peak) | Panola | 2 | 17.2K | 144K | Nov 2002 – Aug 2026 |
| Welder "C" O-4-11937 | Scana Petroleum Resources, Inc. only | Sinton, North (Rob Sd.) | San Patricio | 1 | 17.1K | 33.8K | by Jan 1993 – Sep 1995 |
| Alexander Robbie O-9-6383 | Hibernia Resources III, LLC only | Spraberry (Trend Area) | Reagan | 2 | 17K | 77.8K | by Jan 1993 – Feb 2016 |
| Brockman-Dozier O-13-28187 | Robuck Petroleum, LLC only | Murray, NW. (Caddo) | Young | 1 | 17K | 17.5K | by Jan 1993 – Aug 2023 |
| Spies, Robert G-3-62129 | Chevron U. S. A. Inc. only | New Ulm | Austin | 1 | 16.9K | 289K | by Jan 1993 – Dec 2003 |
| Arco Fee No. 2 Gas Unit G-3-160440 | Roberson Oil Company only | Highbaugh (Gregory) | Tyler | 1 | 16.9K | 133K | Apr 1996 – Jun 2000 |
| Parks "36" O-10-40830 | Endeavor Energy Resources L.P. only | Dora Roberts (Consolidated) | Midland | 1 | 16.8K | 23.1K | Aug 2011 – Nov 2017 |
| Robertson O-9-18176 | Lipan Flats Production, L.L.C. only | Concho (Canyon) | Tom Green | 1 | 16.8K | 0 | Jan 2013 – Aug 2026 |
| Miller, Robert O-10-13237 | Jetta Operating Company, Inc. only | Scott (Delaware) | Ward | 1 | 16.8K | 52K | by Jan 1993 – Apr 2015 |
| Robertson B (SA) O-11-68237 | Noble Energy Inc only | Robertson, N. (San Andres) | Gaines | 2 | 16.8K | 10.4K | Sep 2000 – May 2006 |