| State Tract 205 O-3-24693 | Layton Energy Inc. only | Red Fish Reef, N (F1C 7960 FB A) | Chambers | 1 | 14.4K | 54.5K | Oct 2004 – Aug 2012 |
| Lyne O-2-8550 | Double Play Oil & Gas, Inc only | Tom Lyne (Hockley -B- Sand) | Live Oak | 1 | 14.4K | 16K | Jul 2000 – Mar 2009 |
| West Clayton Gas Unit G-6-221858 | RFE Operating, LLC only | Carthage (Cotton Valley) | Panola | 1 | 14.3K | 864K | Mar 2006 – Aug 2026 |
| Armstrong,gwendolyn O-13-18124 | Great American Resources Inc. only | Clay County Regular | Clay | 4 | 14.3K | 150 | by Jan 1993 – Aug 2026 |
| Barnett-Clayton O-13-31591 | Oakridge Oil and Gas, LP only | Newark, East (Barnett Shale) | Palo Pinto | 2 | 14.3K | 60.7K | Feb 2010 – Aug 2013 |
| Lay, C. W. O-10-32267 | WTG Exploration only | Spraberry (Trend Area) | Midland | 1 | 14.2K | 16.7K | by Jan 1993 – Sep 2002 |
| Beal-Elliott G-3-142697 | Rosewood Resources, Inc. only | Clay, NE (Austin Chalk 12200) | Brazos | 1 | 14.1K | 385K | by Jan 1993 – Sep 1998 |
| Clayton "B" O-13-30992 | North Texas Plugging, LLC only | Perrin, SW (Congl 4850) | Palo Pinto | 1 | 14K | 89.3K | Apr 2008 – Feb 2017 |
| Lay O-2-9261 | Paleo Oil Company LLC only | McNeill | Live Oak | 1 | 14K | 51.3K | Sep 2008 – Jul 2026 |
| Burns G-2-64667 | Wagner Oil Company only | Clay West (Wilcox 11200) | Live Oak | 1 | 13.8K | 547K | by Jan 1993 – Feb 1996 |
| Nigliazzo Horizontal O-5-3406 | Williams, Clayton Energy, Inc. only | Sutton (Austin Chalk) | Robertson | 1 | 13.7K | 102 | by Jan 1993 – Dec 2006 |
| Slaughter -A- O-13-19072 | Willowbend Investments, Inc. only | Clay County Regular | Clay | 1 | 13.7K | 21 | by Jan 1993 – Aug 2026 |
| Hankamer O-3-24726 | Refined Products, Inc. only | Slaydens Creek (Yegua) | Newton | 1 | 13.7K | 0 | Jun 2005 – Jan 2015 |
| Maggie McNeill C O-2-10575 | Double Play Oil & Gas, Inc only | C. A. Winn (Yegua 5320) | Live Oak | 1 | 13.6K | 47.2K | May 2013 – Mar 2024 |
| West Clayton Gas Unit G-6-231009 | RFE Operating, LLC only | Carthage (Cotton Valley) | Panola | 1 | 13.6K | 613K | Sep 2007 – Jan 2026 |
| Siegert Unit O-3-22913 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Robertson | 1 | 13.4K | 3.56K | Dec 1995 – Jan 1999 |
| Maggie McNeill E O-2-10802 | Double Play Oil & Gas, Inc only | C. A. Winn, East (Pettus, Upper) | Live Oak | 1 | 13.3K | 53.5K | Dec 2013 – Aug 2020 |
| Ryan, Nolan G-2-216801 | Aurora Resources Corporation only | Clayton (Wilcox 7250) | Live Oak | 1 | 13.3K | 555K | Oct 2005 – Apr 2010 |
| Andrews University 33 O-10-37675 | Williams, Clayton Energy, Inc. only | Block 5 (Wolfcamp) | Andrews | 1 | 13.2K | 14.4K | Nov 2005 – Apr 2008 |
| Arhopulos-Crenshaw Unit G-3-147564 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 13.2K | 583K | Sep 1993 – Jul 2013 |
| Beakley O-13-21493 | Bubenik, Ronnie, Inc. only | Clay County Regular | Clay | 1 | 13.1K | 9.03K | by Jan 1993 – Apr 2026 |
| Clay Pasture -B- State Unit O-2-13103 | T-C Oil Company, LLC only | Anaqua (2960) | Refugio | 1 | 13.1K | 10.5K | May 2025 – Aug 2026 |
| Magnolia Land Fee O-13-1531 | Arch Operating, LLC only | Clay County Regular | Clay | 11 | 13K | 21 | by Jan 1993 – Aug 2026 |
| Taylor Est. O-13-1563 | Goodner, Rob Oil Interest only | Clay County Regular | Clay | 8 | 13K | 21 | by Jan 1993 – May 2013 |
| Clayton, Jerry B. "B" O-11-2406 | Baylor Operating, LLC only | Good | Borden | 2 | 13K | 3.94K | by Jan 1993 – Jun 2013 |
| Peters, Alwine O-3-15273 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 12.9K | 94.7K | by Jan 1993 – Apr 2003 |
| Daws, W. D.-Layton Unit #1 O-13-14973 | Mullins, Manuel only | Daws | Young | 1 | 12.9K | 22.7K | by Jan 1993 – Jun 2002 |
| Roecker G-3-130233 | Williams, Clayton Energy, Inc. only | Black Owl (Yegua 8150) | Wharton | 1 | 12.9K | 169K | by Jan 1993 – Jan 2002 |
| Byers Brothers O-13-1491 | Mountain Creek Oil Company, Inc. only | Clay County Regular | Clay | 6 | 12.7K | 100 | by Jan 1993 – Aug 2026 |
| Lennox G-2-195350 | Kebo Oil & Gas, Inc. only | Clay West S. (Queen City) | Live Oak | 1 | 12.7K | 625K | Mar 2003 – May 2007 |
| Laplaya Mid Frio Unit G-4-236279 | Modena Operating LLC only | Dunn-McCampbell (Frio, Mid) | Kleberg | 1 | 12.7K | 1.68M | Sep 2007 – Nov 2009 |
| Clay, H. R.-McNallen O-10-41299 | Landmark IP, LLC only | Howard Glasscock (Consolidated) | Howard | 11 | 12.6K | 0 | Dec 2011 – Apr 2022 |
| Clayton Ranch O-11-66750 | Apache Corporation only | Apclark (Spraberry, Lower) | Borden | 2 | 12.4K | 761 | by Jan 1993 – Jan 1996 |
| Jackson O-13-26923 | G&L Oil and Gas, LLC only | Clay County Regular | Clay | 1 | 12.3K | 3.54K | by Jan 1993 – Jul 2026 |
| Coody, J. M. O-13-27506 | Fagadau Energy Corporation only | Clay County Regular | Clay | 1 | 12.3K | 6.64K | by Jan 1993 – Apr 1997 |
| Neeper O-8-17050 | Sweetwater Production, Inc. only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 12.3K | 540 | by Jan 1993 – Feb 2013 |
| Clayton, A. M. "E" NCT-1 O-11-13380 | Legacy Reserves Operating LP only | Good, SE. (Fusselman) | Borden | 1 | 12.1K | 9.59K | by Jan 1993 – Jun 1998 |
| Panhandle 40 Acre Lease O-13-12055 | Shiloh Oil Company LLC only | Clay County Regular | Clay | 23 | 12.1K | 21 | by Jan 1993 – Feb 2021 |
| Fields, T. L. O-13-11121 | Double Barrel Operating LLC only | Clay County Regular | Clay | 1 | 12.1K | 68 | by Jan 1993 – Aug 2026 |
| Kain O-1-12566 | Williams, Clayton Energy, Inc. only | Pearsall (Austin Chalk) | Frio | 2 | 12K | 21 | by Jan 1993 – Apr 1996 |
| Humphrey, et Al O-13-18341 | R2Q Operating LLC only | Clay County Regular | Clay | 10 | 12K | 141 | by Jan 1993 – May 2026 |
| Block 75 Unit G-2-147639 | Sage Energy Company only | Clayton (Block 85 SD) | Live Oak | 1 | 11.9K | 915K | Nov 1993 – Jan 2001 |
| Clayton Southeast O-8-31562 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 11.9K | 205K | Dec 2013 – Jul 2026 |
| Thornberry O-13-18819 | Aztec Energy, LLC only | Clay County Regular | Clay | 16 | 11.9K | 45 | by Jan 1993 – Aug 2026 |
| Clay, Nona G-2-204115 | Petrovybe Opco LLC only | Causey (11,100) | Bee | 1 | 11.8K | 1.24M | Mar 2004 – Aug 2026 |
| Clayton Heirs O-13-32742 | Case Resources, LLC only | KRS (Marble Falls) | Jack | 1 | 11.7K | 209K | Jan 2013 – Sep 2024 |
| Vilas G-3-145656 | Shield Petroleum only | Clay, N.E. (Austin Chalk, Gas) | Brazos | 1 | 11.7K | 431K | Apr 1993 – Apr 1994 |
| Taylor -a- Unit O-14-2557 | Taylor-Clayton-Hawley only | Panhandle Gray County Field | Gray | 13 | 11.7K | 1.81K | by Jan 1993 – Sep 2002 |
| Clay, H.R.-G- O-10-41291 | Landmark IP, LLC only | Howard Glasscock (Consolidated) | Howard | 4 | 11.5K | 0 | Dec 2011 – Jun 2016 |
| McClendon, Loula Bell O-1-10151 | Hamilton, Clay only | Elaine, W. (San Miguel) | Zavala | 1 | 11.5K | 144 | by Jan 1993 – Aug 2026 |