| Layden 31 Unit O-10-47371 | Jetta Operating Company, Inc. only | Collie (Delaware) | Reeves | 1 | 40K | 99.6K | Nov 2015 – Jul 2025 |
| Clay, Jerry H. O-6-15314 | Southwest Operating, Inc.-Tyler only | Honey Hollow (Sub-Clarksville) | Wood | 2 | 39.9K | 55 | Feb 2012 – Aug 2026 |
| Kirk, T.A. et UX O-1-5682 | Hamilton, Clay only | Carrizo, S. (Olmos 2370) | Dimmit | 1 | 39.8K | 3.4K | by Jan 1993 – Aug 2026 |
| Wise Unit O-3-22281 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 39.7K | 27.5K | Jun 1993 – Feb 1998 |
| McFarlane, J. W. G-3-145663 | Magnolia Oil & Gas Operating LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 39.4K | 849K | Apr 1993 – Apr 2013 |
| Nicholson Unit O-1-12754 | Williams, Clayton Energy, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 39K | 26K | by Jan 1993 – May 1998 |
| Clay, H. R. -A- O-10-48144 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Howard | 17 | 38.6K | 121 | Dec 2011 – Jul 2026 |
| Clayton, C. A. G-6-97653 | Culver & Cain Production LLC only | Larissa (Rodessa) | Cherokee | 1 | 38.3K | 1.85M | by Jan 1993 – Aug 2026 |
| Playa Unit O-11-69260 | Gunn Oil Company only | Spur Lake (Stockwether) | Dickens | 2 | 38K | 0 | Jul 2008 – Nov 2014 |
| Moore, Jesse "A" G-3-149245 | Verdun Oil & Gas LLC only | Clay, N.E. (Austin Chalk, Gas) | Burleson | 1 | 37.9K | 1.36M | Jan 1994 – Aug 2026 |
| State Tract 206 G-3-216134 | Layton Energy Inc. only | Red Fish Reef, North (Frio 7920 | Chambers | 1 | 37.9K | 511K | Mar 2005 – Nov 2010 |
| Playa University 9-15 O-9-17678 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 37.7K | 75.8K | Nov 2011 – Aug 2026 |
| Clay,h. R., -B- O-10-2778 | O'Ryan Oil and Gas only | Howard Glasscock | Howard | 13 | 37.5K | 83 | by Jan 1993 – Nov 2011 |
| Clayton & Johnson O-11-67193 | Brown, H.L. Operating, L.L.C. only | JO-Mill (Spraberry) | Borden | 1 | 37.4K | 8.81K | May 1993 – Jan 2003 |
| Wells O-13-20062 | Corda Corporation only | Clay County Regular | Clay | 1 | 37.4K | 3.26K | by Jan 1993 – Aug 2026 |
| Noe, H. M. O-13-18284 | Lindemann, Robert Operating only | Clay County Regular | Clay | 1 | 37.3K | 22 | by Jan 1993 – Aug 2026 |
| Layton "A" G-1-260178 | XTO Energy Inc. only | Hawkville (Eagleford Shale) | McMullen | 1 | 36.8K | 153K | Nov 2010 – Dec 2015 |
| Mayo, J. H. O-13-18802 | Mountain Creek Oil Company, Inc. only | Clay County Regular | Clay | 26 | 36.8K | 134 | by Jan 1993 – Aug 2026 |
| Armstrong Unit O-3-21346 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 36.7K | 235K | by Jan 1993 – Jan 2001 |
| Krause, A.M. O-3-20225 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Lee | 1 | 36.7K | 3.45K | by Jan 1993 – Apr 2007 |
| Wright O-13-19967 | Lufkin Production Company Inc. only | Clay County Regular | Clay | 10 | 36.5K | 219 | by Jan 1993 – Nov 2024 |
| Burns Gas Unit G-2-158332 | Wagner Oil Company only | Clay West (Wilcox Lower) | Live Oak | 1 | 36.2K | 1.46M | Apr 1996 – Dec 2012 |
| Clayton, J. R. O-13-11746 | B.O.L.D. Oil and Gas, LLC only | Jack County Regular | Jack | 1 | 36K | 5.83K | by Jan 1993 – Aug 2026 |
| Clay, H. R. -C- O-10-25450 | Quantum Resources Management,llc only | Howard-Glasscock (Glorieta) | Howard | 1 | 35.9K | 944 | by Jan 1993 – Nov 2011 |
| McGruder-Anderson Unit O-3-21933 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 2 | 35.9K | 288K | Mar 1993 – Mar 2012 |
| Block 75 Unit G-2-137182 | Hedrick Production Inc. only | Clayton (Block 75 SD) | Live Oak | 1 | 35.6K | 2.28M | by Jan 1993 – Oct 1998 |
| Phagan, Zelicha O-13-13058 | Beren Corporation only | Clay County Regular | Clay | 3 | 35.6K | 36 | by Jan 1993 – Oct 2019 |
| Willis Heirs O-13-1489 | Bud Oil, Inc. only | Clay County Regular | Clay | 2 | 35.5K | 3.6K | by Jan 1993 – Aug 2026 |
| C.P. Clayton O-13-3593 | D L Operating only | Bryson (Mississippi Lime) | Jack | 1 | 35.1K | 33.9K | by Jan 1993 – Aug 2026 |
| McCain 189 O-8-31764 | R2Q Operating LLC only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 34.7K | 255K | Feb 2015 – Aug 2026 |
| Maggie-Lay O-2-11403 | Trailblazer Oil & Gas LLC only | Dinero, West (Hockley) | Live Oak | 1 | 34.7K | 0 | Jul 2017 – Feb 2025 |
| Rigsby, G. D. O-13-1542 | R2Q Operating LLC only | Clay County Regular | Clay | 20 | 34.6K | 79 | by Jan 1993 – Sep 2018 |
| Clay, H. R. O-10-2746 | Vision Natural Resources, LP only | Howard Glasscock | Howard | 6 | 34.6K | 16 | by Jan 1993 – Oct 2014 |
| Petrolia O-13-13746 | Arch Operating, LLC only | Clay County Regular | Clay | 13 | 34.4K | 22 | by Jan 1993 – Aug 2026 |
| Reed & Bitner -G- O-6-1953 | Layline Petroleum I, LLC only | Woodlawn | Marion | 1 | 34.4K | 137 | by Jan 1993 – Aug 2007 |
| Jackson, J. L. O-13-19844 | Double S Operating Co. only | Clay County Regular | Clay | 1 | 34.3K | 24 | by Jan 1993 – Aug 2026 |
| Claypool Estate 5-19 G-10-256880 | Permian Resources Operating, LLC only | Balmorea (Wolfcamp) | Reeves | 1 | 34.3K | 155K | May 2010 – Jul 2026 |
| Taylor, Owen "A" O-6-12833 | Atlantis Oil Company, Inc. only | Lisa Layne (Subclarksville) | Wood | 1 | 34.3K | 19.2K | by Jan 1993 – Mar 2014 |
| Gray O-13-26189 | R2Q Operating LLC only | Clay County Regular | Clay | 7 | 34.2K | 141 | by Jan 1993 – Dec 2025 |
| Terrell Unit G-3-146589 | Seneca Resources Corporation only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 33.9K | 816K | Jul 1993 – Aug 1999 |
| Clayton, A.M. "B" O-11-13679 | Cimarex Energy Co. of Colorado only | Good, SE. (Fusselman) | Borden | 1 | 33.8K | 18.7K | by Jan 1993 – Oct 1998 |
| Boddy, James P., Unit O-13-1601 | Arch Operating, LLC only | Clay County Regular | Clay | 24 | 33.6K | 21 | by Jan 1993 – Aug 2026 |
| McInnes O-13-1582 | Waggner, Fred only | Clay County Regular | Clay | 13 | 33.1K | 144 | by Jan 1993 – Mar 2007 |
| Clayton Ranch B O-13-32498 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 2 | 33K | 676K | Feb 2013 – Aug 2026 |
| Shiner Ranch -B- O-1-11540 | Williams, Clayton Energy, Inc. only | Pearsall (Austin Chalk) | Frio | 2 | 33K | 21 | by Jan 1993 – Apr 2014 |
| Laycock, C. K. Unit G-14-67596 | Mountainside Energy Operating, L only | Wheeler-Pan (Hunton) | Wheeler | 1 | 32.9K | 5.12M | by Jan 1993 – Jun 2026 |
| Phillips-Clayton-Johnson O-11-62929 | Halvey Energy, LLC only | Luck-Pot (Fusselman) | Borden | 2 | 32.9K | 1.33K | by Jan 1993 – Jun 2022 |
| Clayton Ranch O-11-64095 | Apache Corporation only | East Tank (Montoya) | Borden | 5 | 32.4K | 9.48K | by Jan 1993 – Nov 2012 |
| McNeill (Brooks) O-2-11054 | Double Play Oil & Gas, Inc only | Paisano Creek (Hockley) | Live Oak | 1 | 32.2K | 19.9K | Sep 2014 – Jun 2021 |
| Edwards O-13-26890 | Callon Petroleum Operating Co only | Clay County Regular | Clay | 4 | 32K | 37.7K | by Jan 1993 – Oct 2009 |