| Flowers Plantation Unit O-3-22807 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Robertson | 1 | 212K | 53.7K | Aug 1995 – Oct 1999 |
| Clayton-Johnson O-11-12873 | Yukon Exploration Operating, LLC only | Good, SE. (Fusselman) | Borden | 2 | 211K | 220K | by Jan 1993 – Mar 2015 |
| Clay Pasture -B- State Unit O-2-9332 | T-C Oil Company, LLC only | Anaqua (3100) | Refugio | 3 | 207K | 81K | Jul 2009 – Aug 2026 |
| Porter-Bowden Unit O-3-22957 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 207K | 312K | Feb 1996 – Nov 2002 |
| Clay, H. R. -A- O-10-2691 | Quantum Resources Management,llc only | Howard Glasscock | Howard | 42 | 205K | 12.3K | by Jan 1993 – Nov 2011 |
| McDougal-Crant O-3-22100 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 195K | 216K | Apr 1993 – Nov 2009 |
| Clay, H. R. -C- O-10-2823 | Breitburn Operating L.P. only | Howard Glasscock | Howard | 10 | 191K | 6.97K | by Jan 1993 – Nov 2011 |
| Trigger O-11-69966 | Aviator Energy, LLC only | Clayton Ranch, N. (Spraberry) | Borden | 1 | 189K | 44.5K | Jun 2012 – Aug 2026 |
| McNeill North O-2-8990 | Double Play Oil & Gas, Inc only | Dinero, West (Hockley) | Live Oak | 1 | 189K | 138K | Dec 2004 – Feb 2024 |
| Layden G-10-287000 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 188K | 757K | Dec 2018 – May 2025 |
| Grant-McDougal Unit O-3-21775 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 2 | 187K | 228K | by Jan 1993 – Nov 2008 |
| Johnson, Clayton "22" O-11-66306 | Fagadau Energy Corporation only | Clayton Ranch, N. (Spraberry) | Borden | 3 | 187K | 205K | by Jan 1993 – Jul 1995 |
| Layden G-10-295378 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 187K | 516K | Oct 2016 – Aug 2026 |
| Morgan, Clay O-3-21375 | Redbud E & P, Inc. only | Giddings (Austin Chalk-3) | Fayette | 1 | 186K | 1.1M | by Jan 1993 – Aug 2026 |
| Clay, H. R. O-10-2738 | Wash, Robert C. Inc. only | Howard Glasscock | Glasscock | 27 | 186K | 45 | by Jan 1993 – Nov 2011 |
| Clayton, William -A- O-7-7513 | 4-Sight Operating Company, Ltd. only | East Texas | Gregg | 10 | 179K | 120K | by Jan 1993 – Aug 2026 |
| Block 72 Unit O-2-6896 | Hedrick Production Inc. only | Clayton (Queen City -B-) | Live Oak | 1 | 178K | 17.3K | by Jan 1993 – Aug 2026 |
| Clayton-Kieffer Unit O-13-17168 | BKM Production only | Sherman | Grayson | 1 | 175K | 18.2K | by Jan 1993 – Aug 2026 |
| Clay, Ollie O-6-161 | McGowan Working Partners, Inc. only | Cayuga | Anderson | 3 | 173K | 114K | by Jan 1993 – Aug 2026 |
| Nolan Ryan O-2-9429 | Aurora Resources Corporation only | Clayton (Massive 7000) | Live Oak | 3 | 168K | 161K | May 2010 – Aug 2026 |
| Scaling Ranch -E- O-13-18256 | Bridwell Oil Co. only | Clay County Regular | Clay | 9 | 159K | 10.9K | by Jan 1993 – Aug 2026 |
| Hansard, J. B. L. O-13-1588 | Arch Operating, LLC only | Clay County Regular | Clay | 19 | 156K | 79 | by Jan 1993 – Aug 2026 |
| Agnello, Lebon O-3-15258 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 2 | 149K | 1.06M | by Jan 1993 – Jul 2006 |
| Players A6 O-10-56346 | Apache Corporation only | Spraberry (Trend Area) | Howard | 1 | 145K | 389K | Oct 2021 – Aug 2026 |
| Clay, H. R. -A- O-10-18992 | Quantum Resources Management,llc only | Howard-Glasscock (Glorieta) | Howard | 11 | 143K | 5.33K | by Jan 1993 – Nov 2011 |
| Taylor, C. T. O-13-25381 | Aztec Energy, LLC only | Clay County Regular | Clay | 16 | 142K | 122 | by Jan 1993 – Aug 2026 |
| Clayton Ranch 13 O-11-67714 | Apache Corporation only | Gail, North (Penn Reef) | Borden | 1 | 142K | 171K | Nov 1996 – Sep 2015 |
| Borski-Peters Unit O-3-21887 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 138K | 631K | by Jan 1993 – Dec 2006 |
| Clay, H. R. -B- Amoco O-10-2822 | Quantum Resources Management,llc only | Howard Glasscock | Howard | 10 | 137K | 3.84K | by Jan 1993 – Nov 2011 |
| Clay, H. R. O-10-41676 | Grayrock Energy II, LLC only | Howard Glasscock (Consolidated) | Howard | 36 | 136K | 0 | Dec 2011 – Aug 2026 |
| Estep Heirs O-2-6887 | Hedrick Production Inc. only | Clayton (Queen City -B-) | Live Oak | 2 | 136K | 6.25K | by Jan 1993 – Aug 2026 |
| Clay, H. R. -A- O-10-8680 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 21 | 135K | 118 | by Jan 1993 – Nov 2011 |
| Gaubatz-Yegua Unit G-3-145218 | Enervest Operating, L.L.C. only | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 132K | 3.13M | Mar 1993 – Sep 2008 |
| Mae Sealy "A" O-6-13600 | TGNR Panola LLC only | Fairplay, NE. (Travis Peak) | Panola | 1 | 130K | 545K | Nov 1996 – Oct 2023 |
| Goetze, L. R. & F. M. O-13-1587 | Arch Operating, LLC only | Clay County Regular | Clay | 18 | 128K | 79 | by Jan 1993 – Aug 2026 |
| Shumake O-13-1583 | R2Q Operating LLC only | Clay County Regular | Clay | 41 | 127K | 66 | by Jan 1993 – Aug 2026 |
| Clay, H. R. -A- O-10-2744 | Robertson Resources, Inc. only | Howard Glasscock | Howard | 6 | 127K | 55.9K | by Jan 1993 – Oct 2014 |
| Layne Unit O-11-68195 | Ruwco Oil and Gas Corp. only | Diamond -M- (Canyon Lime Area) | Scurry | 1 | 127K | 1.96K | Jun 2000 – Nov 2016 |
| Clayton, W., Etal O-7-6811 | Basa Resources, Inc. only | East Texas | Gregg | 11 | 125K | 124K | by Jan 1993 – Aug 2026 |
| Martin G-2-259051 | Jamex, Inc. only | Clay West (Wilcox 10400) | Live Oak | 1 | 123K | 3.27M | Sep 2010 – Jun 2022 |
| Zwiefel Unit O-3-22172 | Williams, Clayton Energy, Inc. only | Kurten (Buda) | Brazos | 1 | 122K | 58.8K | Sep 1993 – May 2012 |
| Clayton 4 O-11-69784 | Tacoma Operating LLC only | Luck-Pot (Fusselman) | Borden | 1 | 121K | 28K | Oct 2011 – Aug 2026 |
| Layden-Yendrey Gas Unit G-2-170128 | Sue-Ann Operating, L.C. only | Big 12 (11,900) | Jackson | 1 | 120K | 1.18M | Jul 1998 – Jan 2003 |
| Mandalay O-6-16127 | Rose City Resources, LLC only | Hidden Rock (Cotton Valley Lime) | Morris | 1 | 118K | 40.3K | Jan 2025 – Aug 2026 |
| Puckett, H. V. O-6-12668 | Rippy Oil Company only | Lisa Layne (Paluxy 7280) | Wood | 1 | 118K | 19.6K | by Jan 1993 – Aug 2003 |
| McNeill North O-2-9161 | Double Play Oil & Gas, Inc only | C. A. Winn, NE. (Hockley 4300) | Live Oak | 1 | 117K | 147K | Feb 2007 – Mar 2024 |
| Firestone, Tom O-13-1451 | Muirfield Exploration, Ltd. only | Clay County Regular | Clay | 28 | 117K | 68 | by Jan 1993 – Aug 2026 |
| Clayton -C- O-14-521 | Rio Petroleum, Inc. only | Panhandle Gray County Field | Gray | 4 | 116K | 150K | by Jan 1993 – Aug 2026 |
| Clay, H. R.-E- O-10-41290 | Landmark IP, LLC only | Howard Glasscock (Consolidated) | Howard | 59 | 116K | 0 | Dec 2011 – May 2026 |
| Rubenstein Unit G-3-149586 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 113K | 3.03M | May 1994 – Feb 2026 |