| Moore, Robert Estate G-3-157898 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 88.2K | 2.21M | Feb 1996 – Jul 2026 |
| Arhopulos-Brazos Unit G-3-144778 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 84.9K | 2.42M | Mar 1993 – Jul 2013 |
| Moore, Robert T. Estate G-3-144908 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 67.5K | 1.42M | Feb 1993 – Nov 2024 |
| McFarlane-Moore Unit G-3-146056 | Southwest Resources, Inc. only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 60.1K | 1.51M | May 1993 – Sep 2013 |
| Moore, Robert Unit G-3-156775 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 53.7K | 1.56M | Aug 1995 – Aug 2026 |
| Moore, R. Estate Unit G-3-157900 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 53.5K | 1.25M | Mar 1996 – Aug 2026 |
| Lyons G-3-144907 | Moore Petroleum Service, Inc. only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 51.6K | 1.06M | by Jan 1993 – Oct 1995 |
| Arhopulos, T. J. G-3-146617 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 45.8K | 1.07M | Jul 1993 – Jul 2013 |
| McFarlane. J. W. G-3-140545 | Anadarko E&P Company LP only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 43.8K | 887K | by Jan 1993 – Jun 2003 |
| Waldorf-Pool G-3-143409 | Magnolia Oil & Gas Operating LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 40K | 1.09M | by Jan 1993 – Jan 2010 |
| McFarlane, J. W. G-3-145663 | Magnolia Oil & Gas Operating LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 39.4K | 849K | Apr 1993 – Apr 2013 |
| Terrell Unit G-3-146589 | Seneca Resources Corporation only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 33.9K | 816K | Jul 1993 – Aug 1999 |
| Waldorf-Schehin G-3-145817 | Pride Energy Company only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 23K | 825K | Apr 1993 – Jun 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 |
| Arhopulos-Crenshaw Unit G-3-147564 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 13.2K | 583K | Sep 1993 – Jul 2013 |
| Vilas G-3-145656 | Shield Petroleum only | Clay, N.E. (Austin Chalk, Gas) | Brazos | 1 | 11.7K | 431K | Apr 1993 – Apr 1994 |
| Marsha-Elliott G-3-141704 | Rosewood Resources, Inc. only | Clay, NE (Austin Chalk 12200) | Brazos | 1 | 10.9K | 558K | by Jan 1993 – Feb 1999 |
| Wintershall-Arhopulos Unit G-3-141476 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 8.62K | 413K | by Jan 1993 – Nov 1994 |
| Garza B Unit G-3-148226 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 6.95K | 97.7K | Jun 1993 – Jul 1996 |
| Moore, Tom G-3-145269 | Douglas Petroleum Inc. only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 6.47K | 189K | Apr 1993 – Mar 2001 |
| Terrell G-3-153348 | Redbud E & P, Inc. only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 5.03K | 2.12M | Sep 1994 – Aug 2026 |
| Arhopulos-Brazos Unit G-3-144780 | Williams, Clayton Energy, Inc. only | Clay, N E. (Deep) | Brazos | 1 | 4.1K | 407K | Mar 1993 – Aug 1996 |
| Terrell G-3-127330 | Tomcat Exploration, Inc only | Clay, N.E. (Austin Chalk 11870) | Brazos | 1 | 225 | 18.1K | by Jan 1993 – Oct 1995 |
| Terrell Farms G-3-131791 | Express Oil Co. only | Clay, N.E. (Austin Chalk 11870) | Brazos | 1 | 67 | 520 | by Jan 1993 – Jun 1998 |
| Moore, Robert G-3-156526 | Seneca Resources Corporation only | Clay, N.E. (Austin Chalk, Gas) | Brazos | 1 | 53 | 2.89K | by Jan 1993 – Apr 1995 |
| McGruder-Anderson Unit G-3-258034 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 5 | 3.6K | Oct 2010 – Sep 2013 |
| Terrell Gas Unit G-3-129939 | Seneca Resources Corporation only | Clay, N.E. (Austin Chalk 11870) | Brazos | 1 | 5 | 2.99K | by Jan 1993 – Sep 1995 |
| Wintershall-Arhopulos G-3-152796 | Williams, Clayton Energy, Inc. only | Giddings (Wilcox) | Brazos | 1 | 3 | 16.9K | Dec 1994 – Jan 1995 |
| Schultz Unit G-3-129520 | Williams, Clayton Energy, Inc. only | Aggieland (Wilcox 4400) | Brazos | 1 | 0 | 0 | — |
| Crown Ranch Unit G-3-129168 | Williams, Clayton Energy, Inc. only | Aggieland (Wilcox 4400) | Brazos | 1 | 0 | 0 | — |
| Terrell G-3-127328 | Seguro Well Service, Inc. only | Clay, N.E. (Austin Chalk 11870) | Brazos | 1 | 0 | 470 | by Jan 1993 – Nov 1993 |
| Moore, Robert G-3-104638 | Seneca Resources Corporation only | Clay, N.E. (Austin Chalk, Gas) | Brazos | 1 | 0 | 0 | — |
| McFarlane, J. W. G-3-99540 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 0 | 0 | — |
| Terrell G-3-95902 | Seneca Resources Corporation only | Clay, NE (Austin Chalk 12200) | Brazos | 1 | 0 | 8 | by Jan 1993 – Jan 1993 |
| Moore, Robert G-3-95199 | Seneca Resources Corporation only | Clay, N.e.(edwards Lime 12220) | Brazos | 1 | 0 | 0 | — |
| Moore, Tom G-3-90264 | Rwa Corporation only | Clay, N.E. (Austin Chalk 11870) | Brazos | 1 | 0 | 0 | — |
| Moore, Robert G-3-212737 | Crawford Hughes Operating Co. only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 0 | 0 | — |
| McSwain "a" Unit G-3-143661 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 0 | 300 | by Jan 1993 – Oct 1993 |
| Arhopulos, T. J. G-3-89261 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 0 | 0 | — |