| Claytonville /Canyon Lime/ Unit O-8-7959 | Winn Operating, LLC only | Claytonville (Canyon Lime) | Fisher | 70 | 3.3M | 6.27M | Jan 1993 – Jul 2026 |
| Martin, Nan "A" O-11-68405 | Aviator Energy, LLC only | Clayton Ranch, N. (Spraberry) | Borden | 34 | 3.21M | 739K | Jan 2002 – Jul 2026 |
| Sprayberry Field Unit O-11-67425 | Aviator Energy, LLC only | Clayton Ranch, N. (Spraberry) | Borden | 13 | 2.15M | 422K | Aug 1995 – Jul 2026 |
| Clayton Ranch O-11-67539 | Apache Corporation only | Apclark (Strawn) | Borden | 4 | 1.58M | 1.12M | Feb 1996 – Mar 2016 |
| Scott 21-G O-11-68276 | Extex Operating Company only | Clayton Ranch, N. (Spraberry) | Borden | 4 | 722K | 310K | Mar 2001 – Jul 2026 |
| Clayton-Johnson "G" O-11-13196 | Yukon Exploration Operating, LLC only | Good, SE. (Fusselman) | — | 1 | 669K | 387K | Jan 1993 – Jul 2026 |
| Anderson O-3-21569 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 3 | 409K | 1.67M | Jan 1993 – Aug 2014 |
| Clayton, A.M. "E" NCT-2 O-11-13465 | Yukon Exploration Operating, LLC only | Good, SE. (Fusselman) | Borden | 2 | 380K | 285K | Jan 1993 – Jul 2026 |
| Johnson O-11-67491 | Extex Operating Company only | Clayton Ranch, N. (Spraberry) | Borden | 4 | 369K | 243K | Jan 1996 – Jul 2026 |
| Silver O-11-69928 | Aviator Energy, LLC only | Clayton Ranch, N. (Spraberry) | Borden | 3 | 362K | 85.1K | Jun 2012 – Jul 2026 |
| Martin, Nan "B" O-11-68682 | Primexx Operating Corporation only | Clayton Ranch, N. (Spraberry) | Borden | 12 | 327K | 192K | Aug 2004 – Jul 2009 |
| Milberger Unit O-3-22604 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 280K | 117K | Dec 1994 – Feb 2005 |
| Clayton O-3-25832 | Trailblazer Energy Resources,llc only | Halliday (Woodbine) | Leon | 1 | 224K | 753K | Dec 2011 – Jul 2026 |
| Shiner Heirs O-1-10412 | Williams, Clayton Energy, Inc. only | Pearsall (Austin Chalk) | Frio | 12 | 222K | 30.3K | Jan 1993 – Feb 2015 |
| J.M. Atkins Unit O-3-22146 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 2 | 219K | 1.99M | Aug 1993 – May 2007 |
| Clayton O-9-15797 | COG Operating LLC only | Spraberry (Trend Area) | Upton | 6 | 216K | 662K | Sep 2005 – Jul 2026 |
| Flowers Plantation Unit O-3-22807 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Robertson | 1 | 212K | 53.7K | Aug 1995 – Feb 2000 |
| Clayton-Johnson O-11-12873 | Yukon Exploration Operating, LLC only | Good, SE. (Fusselman) | Borden | 2 | 211K | 220K | Jan 1993 – Jul 2026 |
| Porter-Bowden Unit O-3-22957 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 207K | 312K | Feb 1996 – Dec 2003 |
| McDougal-Crant O-3-22100 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 195K | 216K | Apr 1993 – Mar 2015 |
| Grant-McDougal Unit O-3-21775 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 2 | 187K | 228K | Jan 1993 – Feb 2014 |
| Johnson, Clayton "22" O-11-66306 | Fagadau Energy Corporation only | Clayton Ranch, N. (Spraberry) | Borden | 3 | 187K | 205K | Jan 1993 – Nov 1995 |
| Trigger O-11-69966 | Aviator Energy, LLC only | Clayton Ranch, N. (Spraberry) | Borden | 1 | 183K | 44.5K | Jun 2012 – Jul 2026 |
| Clayton, William -A- O-7-7513 | 4-Sight Operating Company, Ltd. only | East Texas | — | 10 | 178K | 120K | Jan 1993 – Jul 2026 |
| Block 72 Unit O-2-6896 | Hedrick Production Inc. only | Clayton (Queen City -B-) | Live Oak | 1 | 176K | 17.3K | Jan 1993 – Jul 2026 |
| Clayton-Kieffer Unit O-13-17168 | BKM Production only | Sherman | — | 1 | 173K | 18.1K | Jan 1993 – Jul 2026 |
| Nolan Ryan O-2-9429 | Aurora Resources Corporation only | Clayton (Massive 7000) | Live Oak | 3 | 164K | 161K | May 2010 – Jul 2026 |
| Agnello, Lebon O-3-15258 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 2 | 149K | 1.06M | Jan 1993 – May 2007 |
| Clayton Ranch 13 O-11-67714 | Apache Corporation only | Gail, North (Penn Reef) | Borden | 1 | 142K | 171K | Nov 1996 – Mar 2016 |
| Borski-Peters Unit O-3-21887 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 138K | 631K | Jan 1993 – Jul 2014 |
| Estep Heirs O-2-6887 | Hedrick Production Inc. only | Clayton (Queen City -B-) | Live Oak | 2 | 135K | 6.25K | Jan 1993 – Jul 2026 |
| Clayton, W., Etal O-7-6811 | Basa Resources, Inc. only | East Texas | — | 11 | 124K | 124K | Jan 1993 – Jul 2026 |
| Zwiefel Unit O-3-22172 | Williams, Clayton Energy, Inc. only | Kurten (Buda) | Brazos | 1 | 122K | 58.8K | Sep 1993 – Feb 2015 |
| Clayton 4 O-11-69784 | Tacoma Operating LLC only | Luck-Pot (Fusselman) | Borden | 1 | 120K | 28K | Oct 2011 – Jul 2026 |
| Clayton -C- O-14-521 | Rio Petroleum, Inc. only | Panhandle Gray County Field | — | 4 | 115K | 150K | Jan 1993 – Jul 2026 |
| Alliance Trust Unit O-5-3471 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-5) | Robertson | 1 | 106K | 44.9K | Nov 1993 – Dec 1994 |
| Anderson-Stephen Unit O-3-21896 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 104K | 374K | Jan 1993 – Oct 2013 |
| Peters Unit O-3-21867 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 103K | 675K | Jan 1993 – Mar 2014 |
| J. R. Clayton Ranch (Caddo) Unit O-13-18600 | Bulwark Oil & Gas, LLC only | J. R. Clayton Ranch (Caddo) | Jack | 14 | 102K | 193K | Jan 1993 – Jul 2026 |
| Coleman-Clayton (Allocation) O-3-26541 | Trailblazer Energy Resources,llc only | Halliday (Woodbine) | Leon | 1 | 101K | 514K | Mar 2013 – Jul 2026 |
| Clayton, Wm. O-7-8359 | Basa Resources, Inc. only | East Texas | — | 12 | 99.4K | 87.2K | Jan 1993 – Jul 2026 |
| Clayton, -Wm- B O-7-7514 | 4-Sight Operating Company, Ltd. only | East Texas | — | 12 | 97.4K | 89.2K | Jan 1993 – Jul 2026 |
| Johnson-Clayton O-11-65161 | Journey Operating, L.L.C. only | Good, SE. (Fusselman) | Borden | 1 | 93.8K | 307K | Jan 1993 – Mar 2006 |
| Clayton O-7-6083 | Basa Resources, Inc. only | East Texas | — | 9 | 91.1K | 48.2K | Jan 1993 – Jul 2026 |
| Clayton O-11-62925 | QP, Inc. only | Luck-Pot (Canyon Reef) | Borden | 1 | 87.1K | 70.3K | Jan 1993 – Jul 2026 |
| Baker, James A. O-1-12491 | Williams, Clayton Energy, Inc. only | Pearsall (Austin Chalk) | Frio | 2 | 84.8K | 141K | Jan 1993 – Oct 1996 |
| Young, Clayton -C- O-7-7058 | Basa Resources, Inc. only | East Texas | — | 2 | 84.8K | 82.2K | Jan 1993 – Jul 2026 |
| Phillips-Clayton-Johnson O-11-68140 | Halvey Energy, LLC only | Luck-Pot (Canyon Reef) | Borden | 1 | 82.2K | 35.8K | Nov 1999 – Jul 2026 |
| Clayton O-13-27044 | Sabre Operating, Inc. only | Clayton (Miss) | Jack | 1 | 80.5K | 735 | Jan 1993 – Oct 2004 |
| LMT O-11-70956 | Winn Operating, LLC only | Clayton Ranch, N. (Spraberry) | Borden | 1 | 77.1K | 0 | Jul 2019 – Jul 2026 |