| Nelson 'A' G-2-291654 | MB Energy, LLC only | Clayton (Slick 6450) | Live Oak | 1 | 3.36K | 217K | Jul 2021 – Mar 2024 |
| Mullane O-1-13008 | Williams, Clayton Energy, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 3.34K | 21 | by Jan 1993 – Oct 1995 |
| Herring Ranch G-2-131543 | Ampak Oil Company only | Clayton (Queen City) | Live Oak | 1 | 3.33K | 398K | by Jan 1993 – Feb 2016 |
| Clay, H. R. -C- O-10-41300 | Landmark IP, LLC only | Howard Glasscock (Consolidated) | Howard | 10 | 3.33K | 0 | Dec 2011 – Jun 2013 |
| England O-13-20183 | Lewis Operating Company only | Clay County Regular | Clay | 2 | 3.32K | 67 | by Jan 1993 – Aug 2000 |
| Neal, Glaydene O-5-3946 | Diversified Production LLC only | Stewards Mill, NE. (Rodessa) | Freestone | 1 | 3.31K | 11.7K | Jun 2011 – May 2026 |
| Slay O-13-29964 | Large Operating LLC only | Newark, East (Barnett Shale) | Wise | 1 | 3.31K | 251K | Oct 2001 – Aug 2026 |
| McNeill Unit G-2-238793 | Double Play Oil & Gas, Inc only | McGown (Pettus Upper) | Live Oak | 1 | 3.27K | 190K | Jan 2008 – Nov 2022 |
| Clayton Ranch C G-13-264154 | Oakridge Oil and Gas, LP only | JMG Mag (Miss) | Jack | 1 | 3.27K | 198K | Oct 2011 – Feb 2023 |
| Clayton, Addie G-9-210730 | Zarvona Energy LLC only | Ozona, NE. (Canyon 7520) | Crockett | 1 | 3.25K | 211K | Apr 2005 – Jul 2026 |
| Laycock 4 O-14-6093 | Reneau Oil Co. only | Panhandle Wheeler County Field | Wheeler | 6 | 3.2K | 11.4K | by Jan 1993 – Oct 1994 |
| Slayton Unit G-6-223980 | Valence Operating Company only | Chapel Hill (Cotton Valley) | Smith | 1 | 3.2K | 980K | Sep 2006 – Aug 2026 |
| Clayton, C. P. O-8-19655 | Anderson, E. D. only | Graford (Bend Conglomerate) | Palo Pinto | 2 | 3.18K | 12.2K | by Jan 1993 – Aug 1999 |
| Beatty Corporation O-13-11719 | Arch Operating, LLC only | Clay County Regular | Clay | 12 | 3.18K | 22 | by Jan 1993 – Jul 2005 |
| Clayton, Scott O-11-66502 | Omar Operating Company only | Pavo Mesa (Strawn) | Borden | 1 | 3.18K | 25 | by Jan 1993 – Aug 1995 |
| Clayton, Floyd O-13-28769 | Quest Petroleum Company only | Risch, East (Strawn 3100) | Wise | 1 | 3.16K | 174K | Jan 1994 – Jun 2026 |
| Clayton, Addie G-9-217987 | Zarvona Energy LLC only | Ozona, NE. (Canyon 7520) | Crockett | 1 | 3.15K | 414K | Mar 2006 – Jul 2026 |
| Layne G-8-67162 | RKW Operating LLC only | Meeker (Conglomerate 4400) | Parker | 1 | 3.14K | 113K | by Jan 1993 – Sep 2024 |
| Hatchett, N. P. G-2-61608 | Hedrick Production Inc. only | Clayton (Block 86 SD) | Live Oak | 1 | 3.12K | 1.3M | by Jan 1993 – Aug 2026 |
| C. P. Clayton A O-13-31861 | Proco Operating Co., Inc. only | Newark, East (Barnett Shale) | Jack | 1 | 3.11K | 693K | Sep 2010 – Feb 2021 |
| Stiff, Jonisue O-8-15428 | Ohlhausen Oil Company only | Claytonville, SE. (5000 Sand) | Fisher | 2 | 3.1K | 33.2K | by Jan 1993 – Jun 2017 |
| Valdez, J.G. et Al G-4-145960 | Altalay STX LLC only | Alworth(wilcox, Hinnant 1ST) | Jim Hogg | 1 | 3.09K | 3.21M | Jun 1993 – May 2009 |
| Reed O-11-61457 | Layton Exploration, Inc. only | Mound Lake (Fusselman) | Lynn | 2 | 3.09K | 14 | by Jan 1993 – Apr 1994 |
| Heine, J.W. O-3-16607 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 3.08K | 77.5K | by Jan 1993 – Jun 1999 |
| Lay, Roy O-2-7656 | Enhanced Energy Partners Corp only | Jackson Ranch (Yegua 5400 Seg.a) | Live Oak | 1 | 3.07K | 49K | by Jan 1993 – Sep 2004 |
| Savage Family Trust O-11-68873 | Williams, Clayton Energy, Inc. only | Amrow, North (Wolfcamp) | Gaines | 1 | 3.07K | 0 | Dec 2005 – Mar 2008 |
| Mestena "B" O-4-10257 | Tomahawk Petroleum only | Playa de Oro (Pettus) | Jim Hogg | 1 | 3.04K | 21 | by Jan 1993 – May 1995 |
| Herring Ranch G-2-217983 | Ampak Oil Company only | Clayton (Queen City Upper) | Live Oak | 1 | 2.98K | 168K | May 2005 – Jul 2026 |
| Wilburn "E" G-8-140705 | Sweetwater Production, Inc. only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 2.97K | 239K | by Jan 1993 – Aug 2026 |
| Slay G-13-174956 | Large Operating LLC only | Morris (Consolidated Congl.) | Wise | 1 | 2.96K | 130K | Aug 1999 – Jul 2026 |
| Blaydes O-10-10378 | Bebco Parts Industries, Inc. only | Pecos Valley (High Gravity) | Pecos | 3 | 2.96K | 19 | Feb 1993 – Sep 2002 |
| Kruse, Nicholaus G-2-150403 | Greater Sooner Holdings, Inc. only | Clayton (Slick 6450) | Live Oak | 1 | 2.94K | 331K | Jun 1994 – Dec 2004 |
| Clay, H. R.-B- O-10-41303 | Landmark IP, LLC only | Howard Glasscock (Consolidated) | Howard | 10 | 2.93K | 0 | Dec 2011 – Mar 2020 |
| Clay O-14-459 | Conocophillips Company only | Panhandle Gray County Field | Gray | 8 | 2.93K | 12.1K | by Jan 1993 – Aug 1994 |
| Clayton, Addie G-9-214917 | Zarvona Energy LLC only | Ozona, NE. (Canyon 7520) | Crockett | 1 | 2.91K | 448K | Sep 2005 – Jul 2026 |
| Cline O-6-11655 | Clay Exploration, Inc. only | Hide-A-Way (Paluxy) | Smith | 1 | 2.91K | 38 | by Jan 1993 – Oct 1996 |
| Douthitt O-13-19262 | Armour, Eulan B. only | Clay County Regular | Clay | 10 | 2.89K | 59 | by Jan 1993 – Apr 1998 |
| State Tract 205 G-3-122748 | Layton Energy Inc. only | Red Fish Reef, North (Frio 7940) | Chambers | 1 | 2.86K | 39.4K | Apr 1994 – Dec 1997 |
| Slay G-13-177120 | Large Operating LLC only | Morris (Strawn) | Wise | 1 | 2.83K | 69.3K | Aug 1999 – Jan 2026 |
| Colby-Claypool G-3-198069 | Denbury Onshore, LLC only | Elwood (Discorbis) | Chambers | 1 | 2.81K | 2.59M | Sep 2003 – Apr 2011 |
| New G-2-238854 | Double Play Oil & Gas, Inc only | Johnstone (Middle Frio) | Victoria | 1 | 2.79K | 241K | Aug 2008 – Feb 2012 |
| Clayton G-9-212268 | Zachry Oil and Gas Properties only | Ozona, NE. (Canyon 7520) | Crockett | 1 | 2.78K | 222K | Jul 2005 – Aug 2026 |
| Christensen G-2-160064 | Headington Oil Company, L.P. only | Clay West (Wilcox 10,750) | Live Oak | 1 | 2.78K | 285K | Apr 1996 – Feb 1997 |
| Block 86 Unit G-2-128179 | Sheridan Energy,inc. only | Clayton (Wilcox 7360) | Live Oak | 1 | 2.76K | 156K | by Jan 1993 – Jan 1999 |
| Cox O-8-15823 | Ohlhausen Oil Company only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 2.75K | 66.8K | by Jan 1993 – Apr 2001 |
| Slayton Unit G-6-220642 | Valence Operating Company only | Chapel Hill (Cotton Valley) | Smith | 1 | 2.75K | 878K | Jan 2006 – Aug 2026 |
| E. Johnson O-10-30905 | Clayton Petroleum Corporation only | Phantom (Wolfcamp) | Ward | 1 | 2.73K | 283 | by Jan 1993 – Oct 1994 |
| Clayton, Addie G-9-212558 | Zarvona Energy LLC only | Ozona, NE. (Canyon 7520) | Crockett | 1 | 2.73K | 338K | May 2005 – Jul 2026 |
| Block 85 Unit G-2-61529 | Sheridan Energy,inc. only | Clayton (Wilcox 7360) | Live Oak | 1 | 2.72K | 134K | by Jan 1993 – Jul 1998 |
| Miller, A. L. et al "A" O-3-23274 | Layton Energy Inc. only | Alligator Bayou (3-E) | Chambers | 1 | 2.71K | 68.6K | May 1997 – Oct 2004 |