| Kazmir-Matcek Unit B G-3-175347 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Burleson | 1 | 0 | 1.67K | Nov 1999 – Jul 2000 |
| Brinkman, Bernice Unit G-3-177625 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Burleson | 1 | 0 | 9.24K | May 2000 – Sep 2002 |
| Rabb Josey G-3-190618 | Layline Petroleum I, LLC only | Brookshire | Waller | 1 | 0 | 159K | Aug 2002 – Feb 2005 |
| Moore, Robert G-3-212737 | Crawford Hughes Operating Co. only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 0 | 0 | — |
| Colby-Claypool G-3-214742 | Denbury Onshore, LLC only | Elwood (Discorbis) | Chambers | 1 | 0 | 0 | — |
| Brown "B" G-3-226618 | Velocity Oil and Gas, LLC only | Clay Creek | Washington | 1 | 0 | 0 | — |
| Colby-Claypool G-3-245841 | Denbury Onshore, LLC only | Willow Slough (FB-a, F-1) | Chambers | 1 | 0 | 0 | — |
| Claybar Hackberry Unit G-3-274371 | Samson Exploration, LLC only | Hartburg, S.E. (Middle) | Newton | 1 | 0 | 88 | Apr 2014 – Apr 2014 |
| Person, Frieda G-4-11821 | Double Play Oil & Gas, Inc only | Mathis, East (Sinton 4400) | San Patricio | 1 | 0 | 0 | — |
| McAskill, Maude L. SWD G-4-106547 | Williams, Clayton Energy, Inc. only | Monte Christo ( 25) | Hidalgo | 1 | 0 | 0 | — |
| Adams, H. W. G-4-139353 | Double Play Oil & Gas, Inc only | Mathis, E. (la Rosa 4750) | San Patricio | 1 | 0 | 24.3K | by Jan 1993 – Jul 2006 |
| Driscoll Foundation G-4-170045 | Williams, Clayton Energy, Inc. only | Wildcat | Duval | 1 | 0 | 0 | — |
| Villareal G-4-214238 | Double Play Oil & Gas, Inc only | Cortez (1600) | Starr | 1 | 0 | 4.05K | Jun 2005 – Sep 2005 |
| Wolfe G-4-215958 | Double Play Oil & Gas, Inc only | Wildcat | Jim Wells | 1 | 0 | 0 | — |
| Scamardo Gas Unit G-5-189001 | Williams, Clayton Energy, Inc. only | Wildcat | Robertson | 1 | 0 | 0 | — |
| Neyland Unit G-5-189549 | Williams, Clayton Energy, Inc. only | Whatley (CVL) | Robertson | 1 | 0 | 1.16M | Sep 2001 – Jun 2006 |
| Thompson, Clayton G-5-198447 | XTO Energy Inc. only | Freestone (Bossier Sand) | Freestone | 1 | 0 | 0 | — |
| Thompson, Clayton G-5-198448 | XTO Energy Inc. only | Oaks (Cotton Valley-Travis Peak) | Freestone | 1 | 0 | 200K | Feb 2004 – Apr 2005 |
| Margarita G-5-251408 | Williams, Clayton Energy, Inc. only | Mumford, N. (Cotton Valley Lime) | Robertson | 1 | 0 | 111K | Oct 2008 – Feb 2010 |
| Margarita G-5-259357 | Williams, Clayton Energy, Inc. only | Mumford, N. (CV Sands) | Robertson | 1 | 0 | 4.47K | Mar 2010 – Feb 2014 |
| Clay, Jake L. G-6-69334 | Young, Clint Inc. only | Scoober Creek (Rodessa-Hill) | Rusk | 1 | 0 | 0 | — |
| Olen Green G.U. G-6-84135 | Apache Corporation only | Fairplay (Cotton Valley) | Panola | 1 | 0 | 0 | — |
| Powers, E.C. G-6-145175 | Texaco E & P Inc. only | Fairplay, NE. (Travis Peak) | Panola | 1 | 0 | 18.5K | by Jan 1993 – Mar 1993 |
| Sealy, Mae Unit G-6-156193 | Texaco E & P Inc. only | Fairplay, NE. (Travis Peak) | Panola | 1 | 0 | 302K | Oct 1995 – Aug 1996 |
| Furrh, J. D. et Al G-6-164217 | Williams, Clayton Energy, Inc. only | Deberry (Travis Peak) | Panola | 1 | 0 | 195K | Jul 1997 – Nov 1999 |
| Payne G-6-164219 | Williams, Clayton Energy, Inc. only | Deberry (Travis Peak) | Panola | 1 | 0 | 32.2K | Jun 1997 – May 1999 |
| West Clayton Gas Unit G-6-185219 | M. E. Operating & Services, Inc. only | Carthage (Travis Peak) | Panola | 1 | 0 | 0 | — |
| Clayton, W. C. G-8-31278 | Greenhaw, Morris R. only | Erath County Regular (Desdemona) | Erath | 1 | 0 | 838 | by Jan 1993 – Nov 1999 |
| Ballenger, R. W. G-8-41508 | Foree, R. L. Trust "A" only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 0 | 4.21K | by Jan 1993 – Jun 1994 |
| Jonisue G-8-60276 | Foree, R. L. Trust "A" only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 0 | 21.5K | by Jan 1993 – Oct 1994 |
| Blaylock, Doyle Gas Unit G-8-76415 | Smith Pipe of Abilene only | Coleen (Marble Falls) | Parker | 1 | 0 | 0 | — |
| Clayton, C.P. G-8-80650 | Vantage Fort Worth Energy LLC only | Graford (Bend Conglomerate) | Jack | 1 | 0 | 99.7K | by Jan 1993 – Aug 2008 |
| Clayton G-8-81817 | Coastal Plains Energy, Inc. only | Peaster (Big Saline) | Parker | 1 | 0 | 18.9K | Dec 1996 – Mar 2003 |
| Ballenger, R. W. G-8-86407 | TCS Petroleum Co., LLC only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 0 | 14.3K | by Jan 1993 – Dec 1999 |
| Goen, Gladys G-8-92992 | Wheat, Buck Resources, Inc. only | Clayton (Congl) | Parker | 1 | 0 | 28.4K | by Jan 1993 – Sep 1997 |
| Young, Joe G-8-94801 | Wise Production Company only | Clayton (Congl) | Parker | 1 | 0 | 0 | — |
| Clay O. Miller -B- G-8-97372 | Brown Industrial Gas, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 1.74K | by Jan 1993 – Jul 1994 |
| Miller Clay,o "A" G-8-97436 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 23.8K | by Jan 1993 – Dec 2015 |
| Warshaw, J. G. G-8-106338 | D.J. & T. Energy only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 0 | 14K | by Jan 1993 – Aug 1995 |
| Clayton G-8-123294 | M. E. Operating & Services, Inc. only | Peaster (Atoka Sand) | Parker | 1 | 0 | 0 | — |
| Whitcomb G-8-139284 | Wheat, Buck Resources, Inc. only | Clayton (Congl) | Parker | 1 | 0 | 0 | — |
| Cox G-8-141244 | Liberty Operating Company, Inc. only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 0 | 0 | — |
| Bonneau G-8-147686 | Rimrock Energy, LLC only | Clayton (Congl) | Parker | 1 | 0 | 235K | Oct 1993 – Dec 2005 |
| Warshaw, J. G. G-8-148043 | D.J. & T. Energy only | Claytonville (Canyon Sd. 5200) | Fisher | 1 | 0 | 145K | Jan 1994 – Jan 2013 |
| Clayton G-8-157271 | Coastal Plains Energy, Inc. only | Peaster, SE (Marble Falls) | Parker | 1 | 0 | 28.1K | Jan 1996 – Oct 1997 |
| Layne G-8-157604 | Dallas Production, Inc. only | Toto, South (Strawn) | Parker | 1 | 0 | 0 | — |
| Blaylock G-8-169388 | Marshall, Samuel Meek, Estate Of only | Granbury, N.E. (Atoka) | Hood | 1 | 0 | 454 | May 1999 – Feb 2003 |
| McKeichan, Will G-8-181204 | Goopco, Inc. only | Clay Gober (Caddo, Up.) | Throckmorton | 1 | 0 | 626K | Sep 2000 – Jun 2019 |
| Claypool-Bowen G-8-195460 | Rife Operating, Ltd. only | P.K. Dam (Congl. 3820) | Palo Pinto | 1 | 0 | 0 | — |
| Clayton, C. P. G-8-213052 | Anderson, E. D. only | Wildcat | Palo Pinto | 1 | 0 | 0 | — |