| Powers, E. B. O-5-2108 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 21.3K | 44.6K | by Jan 1993 – Aug 2026 |
| Settles, W.R. -a- TT O-10-47927 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Howard | 2 | 21.3K | 88 | Sep 2014 – Jul 2026 |
| Robinson, I. E. O-6-3160 | Cinron Energy, LLC only | Coke (Robinson) | Wood | 1 | 21.2K | 446K | by Jan 1993 – Apr 2026 |
| Roberts O-1-12928 | Golden Child, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 21.2K | 6.36K | by Jan 1993 – May 1996 |
| Luig Unit O-13-27098 | Lindemann, Robert Operating only | Luig (Mississippian) | Archer | 1 | 21K | 2.38K | by Jan 1993 – Aug 2026 |
| Doyle, Robert B. G-14-280315 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 20.9K | 308K | May 2014 – Aug 2026 |
| Robertson, I. W. Estate O-8-20021 | Brown Industrial Gas OP, Inc. only | Amity | Comanche | 14 | 20.9K | 0 | Dec 2002 – Feb 2015 |
| Wood, L. R. O-11-61973 | Samedan Oil Corporation only | Robertson, N. (San Andres) | Gaines | 5 | 20.8K | 7.08K | by Jan 1993 – Jul 1995 |
| Ray, Roland F. O-8-13351 | Alegre Energy, Inc. only | Roby-Ray (Cisco) | Fisher | 1 | 20.8K | 3.32K | by Jan 1993 – Feb 2013 |
| Robertson, Kathryn O-13-10307 | Doolaree Corporation only | Sherman (Pennsylvanian 8100) | Grayson | 2 | 20.7K | 185K | by Jan 1993 – Aug 2026 |
| Roberts, Dora -E- O-10-21840 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 12 | 20.6K | 33 | by Jan 1993 – Nov 2011 |
| Patterson O-9-13168 | Glossop, Robert L. only | Calvin (Dean) | Reagan | 1 | 20.6K | 52.4K | by Jan 1993 – Oct 1995 |
| W.C. Robinson O-6-14805 | Gaither Petroleum Corporation only | Forest Hill (Harris Sand) | Wood | 1 | 20.6K | 0 | Oct 2008 – Nov 2015 |
| Nunn -C- O-9-13976 | Robertson Resources, Inc. only | Spraberry (Trend Area) | Reagan | 2 | 20.6K | 147K | Nov 1995 – May 2026 |
| Robertson-Mulholland O-9-8376 | Atlas Operating LLC only | Spraberry (Trend Area) | Reagan | 3 | 20.5K | 106K | by Jan 1993 – Aug 2015 |
| Robbins-Hilgenberg Unit O-8-15273 | Delta Oil & Gas Ltd. only | Stephens County Regular | Stephens | 1 | 20.4K | 546 | by Jan 1993 – Nov 2003 |
| Matula, Robert E. G-2-140465 | Acock Operating Limited only | Maxine, East (8700) | Live Oak | 1 | 20.3K | 687K | by Jan 1993 – Feb 1998 |
| Rob O-10-2788 | Sheridan Production Company, LLC only | Howard Glasscock | Howard | 4 | 20.3K | 1.4K | by Jan 1993 – Jan 2012 |
| Allbritton, Bessie "C" O-5-2398 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 20.1K | 461 | by Jan 1993 – Aug 2026 |
| South Roberdeau O-10-27043 | Kneupper Oil, LLC only | Lyles (Clear Fork) | Crane | 1 | 20.1K | 29.9K | by Jan 1993 – Aug 2026 |
| Robeson, Clyde Est. "B" O-5-3269 | Amerril Energy LLC only | Pleasant Ridge (Woodbine) | Leon | 1 | 20.1K | 3.82K | by Jan 1993 – Jun 2012 |
| Clampett, Jeb O-11-68374 | Seaboard Operating Co. only | Robertson, N. (Clear Fork 7100) | Gaines | 2 | 20K | 0 | Jun 2001 – Dec 2021 |
| Roberts, Alton O-8-26876 | Quail Well Service, Inc. only | Proctor (Gardner) | Taylor | 3 | 20K | 80.1K | Apr 1993 – Jun 2005 |
| Robinson Ranch 78 G-8-246682 | Tarpon Oil & Gas Co. only | Brad, SW. (Big Saline Congl.) | Palo Pinto | 1 | 20K | 377K | Jan 2009 – Jan 2022 |
| Robtann D O-8-28161 | Walter Exploration Inc. only | Sprague (Upper Cisco) | Nolan | 1 | 19.9K | 1.21K | Apr 1997 – Apr 1999 |
| Clay, H. R. -B- O-10-48047 | Robertson Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 4 | 19.9K | 0 | Nov 2014 – Jul 2026 |
| Mallet Ranch O-11-67949 | Wheeler Operating Corporation only | Roblin (Canyon Sand) | Hockley | 1 | 19.9K | 0 | May 1998 – Oct 1999 |
| Roberts Unit G-6-150238 | Diversified Production LLC only | Carthage (Cotton Valley) | Panola | 1 | 19.8K | 1.96M | May 1994 – Aug 2026 |
| Horwood, F. L. H. O-9-12571 | Tall Dune Resources, LLC only | Probandt (Canyon) | Sterling | 1 | 19.8K | 311K | by Jan 1993 – Aug 2026 |
| Robbins '23' O-9-18647 | GHS Energy Operating, LLC only | Spraberry (Trend Area) | Upton | 1 | 19.8K | 63.3K | May 2014 – Dec 2024 |
| Roberson O-6-13417 | Faulconer Energy, LLC only | Overton (Travis Peak) | Smith | 1 | 19.7K | 5.57K | Mar 1995 – Jul 2003 |
| Flowers Brothers G-14-268827 | Blackbeard Operating, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 19.7K | 2.07M | Nov 2011 – Jan 2018 |
| Oliver & Tracy O-5-1959 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 19.6K | 461 | by Jan 1993 – Aug 2026 |
| Gibson, Merrick O-11-61962 | Creed Operating Co., LLC only | Probable (Canyon) | King | 3 | 19.6K | 44 | by Jan 1993 – May 2014 |
| Robertson 22 O-11-69825 | Gungoll, Carl E. Exploration LLC only | Hoople (Clear Fork) | Crosby | 3 | 19.6K | 0 | Feb 2012 – Aug 2026 |
| Frost, A. E. O-6-4542 | Robertson-Bryce Management, LLC only | Frost (Smackover) | Cass | 2 | 19.4K | 51.1K | by Jan 1993 – Dec 1995 |
| TXL L O-10-34937 | OXY USA WTP LP only | Dora Roberts (Devonian) | Midland | 1 | 19.4K | 1.67M | May 1996 – Jun 2021 |
| Roberts, Frank O-1-1099 | Texas Petroleum Investment Co. only | Luling-Branyon | Caldwell | 2 | 19.4K | 46 | by Jan 1993 – Aug 2026 |
| Roberts, Dora -A- O-10-19363 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 8 | 19.3K | 31 | by Jan 1993 – Nov 2011 |
| Robinson, J. M. O-13-17374 | Devon Energy Production Co, L.P. only | Boonsville (Consolidated Congl.) | Wise | 4 | 19.3K | 208K | by Jan 1993 – Nov 2007 |
| Vermejo "A" O-10-34260 | Robertson Resources, Inc. only | Soda Lake (Bone Springs) | Ward | 1 | 19.3K | 78.4K | Aug 1994 – Feb 2012 |
| Donnell, J. O-13-29182 | Robuck Petroleum, LLC only | Murray, N (Miss) | Young | 1 | 19.3K | 184 | Jul 1996 – Nov 2022 |
| Roberts Unit G-6-179876 | Diversified Production LLC only | Carthage (Cotton Valley) | Panola | 1 | 19.2K | 603K | Oct 2000 – Mar 2020 |
| Roberson Unit G-6-98588 | Burk Royalty Co., Ltd. only | Bethany, East (Cotton Valley) | Panola | 1 | 19.2K | 474K | by Jan 1993 – Jul 2023 |
| Robbins, F. O-9-5865 | 5STONE Operating Inc only | Crockett | Crockett | 2 | 19.1K | 21 | by Jan 1993 – Aug 2026 |
| Kelly-Roberts O-10-2770 | Conocophillips Company only | Howard Glasscock | Howard | 20 | 19.1K | 11.6K | by Jan 1993 – Nov 2011 |
| Youngblood, Robert G-6-244544 | Eqv Operating LLC only | Henderson, E. (Cotton Valley) | Rusk | 1 | 19.1K | 473K | Oct 2008 – Jun 2023 |
| Spearman, Robt. "B" O-3-24235 | Wildfire Energy Operating LLC only | Giddings (Buda) | Burleson | 1 | 19.1K | 29.4K | Jan 2001 – Jul 2001 |
| Shaw, Robert -A- O-1-10823 | Production Resources, Inc. only | Somerset | Atascosa | 22 | 19.1K | 359 | by Jan 1993 – Mar 2019 |
| Propst O-8-17462 | Ableready, Inc. only | Probst-Anson (Flippen Lime) | Jones | 8 | 19.1K | 22 | by Jan 1993 – Feb 2017 |