| Champion Unit 1 O-6-13315 | Brookeland (Austin Chalk, 8800) | Newton | 1 | 144K | 484K | Nov 1993 – May 2004 |
| U.S.A. Unit A-277 O-6-13477 | Brookeland (Austin Chalk, 8800) | Sabine | 1 | 99K | 556K | Aug 1995 – Apr 2004 |
| Stark Unit A-446 O-6-13907 | Brookeland (Austin Chalk, 8800) | Sabine | 1 | 15.6K | 155K | Mar 1999 – Nov 2002 |
| Bracken "A" O-1-14236 | A.W.P. (Olmos) | McMullen | 1 | 1.71K | 101K | Jan 1999 – Oct 2002 |
| SWR "C" O-1-14295 | A.W.P. (Olmos) | McMullen | 1 | 182 | 3.02K | Nov 1999 – Aug 2002 |
| Weems Unit O-3-23444 | Giddings (Austin Chalk-3) | Fayette | 1 | 1.33K | 4.24K | Feb 1998 – Feb 2001 |
| Kana Unit O-3-23781 | Giddings (Austin Chalk-3) | Fayette | 1 | 501 | 431 | Nov 1999 – Feb 2001 |
| Gsu Unit A-905 O-6-13896 | Brookeland (Austin Chalk, 8800) | Newton | 2 | 170 | 891 | Mar 1999 – May 2000 |
| Bracken Tract 2 O-1-8880 | A.W.P. (Olmos) | McMullen | 1 | 4.31K | 18 | Jan 1993 – Jul 1998 |
| Bracken 1-18 O-1-14066 | A.W.P. (Olmos) | McMullen | 1 | 1.56K | 138 | Apr 1996 – Apr 1998 |
| McClaugherty, L.S. O-1-9558 | A.W.P. (Olmos) | McMullen | 2 | 3.86K | 265K | Jan 1993 – Oct 1997 |
| Harris Ranch O-13-23699 | Mountain Creek (Ellenburger FB2) | Cooke | 1 | 1.87K | 16 | Jan 1993 – Jul 1997 |
| Champion Int'l Unit a-2O No. 2 O-6-13345 | Brookeland (Austin Chalk, 8800) | Newton | 2 | 139K | 1.04M | Jun 1994 – Jun 1997 |
| Champion Int'l Unit A-1081 O-6-13419 | Brookeland (Austin Chalk, 8800) | Newton | 1 | 64.9K | 267K | Apr 1995 – Aug 1996 |
| South Texas Syndicate -B- O-1-4539 | Little Alamo (6200) | McMullen | 1 | 2.08K | 1.46K | Jan 1993 – Jul 1996 |
| Enochs O-9-10836 | Page, West (Wolfcamp) | Schleicher | 1 | 637 | 53.3K | Jan 1993 – Jul 1996 |
| Morgan, Lummie O-3-15692 | Madisonville, NE. (Dexter) | Madison | 1 | 14.1K | 21 | Jan 1993 – Dec 1995 |
| Barnes O-5-3128 | Alabama Ferry (Glenrose "D") | Leon | 1 | 6.34K | 86.4K | Jan 1993 – Oct 1995 |
| Lois "V" O-3-17997 | Giddings (Austin Chalk-3) | Lee | 1 | 2.4K | 27.5K | Jan 1993 – Mar 1995 |
| Osborne, G.J. "B" O-3-17055 | Madisonville, NE. (Dexter) | Madison | 1 | 9.06K | 18 | Jan 1993 – Feb 1995 |
| Wilkins, Minnie O-5-3073 | Alabama Ferry (Glenrose D, West) | Leon | 1 | 1.43K | 12.4K | Jan 1993 – Aug 1994 |
| Polly "A" O-5-3158 | Alabama Ferry (Glenrose D, West) | Leon | 1 | 894 | 5.3K | Jan 1993 – Aug 1994 |
| Blackstone Minerals "A" O-3-22280 | Cleveland (Cockfield A, E Seg) | Liberty | 1 | 2.44K | 46.8K | Jan 1994 – Feb 1994 |
| So. Texas Syndicate -C- O-1-644 | Green Branch | McMullen | 2 | 209 | 3 | Apr 1993 – Aug 1993 |
| Fincher O-3-19021 | Giddings (Austin Chalk-3) | Fayette | 1 | 3 | 1 | Jul 1993 – Jul 1993 |
| Fields O-5-3106 | Alabama Ferry (Glenrose D, West) | Leon | 1 | 238 | 1.05K | Jan 1993 – Jun 1993 |
| Snell O-5-3060 | Alabama Ferry (Glenrose D, West) | Leon | 1 | 0 | 3 | Jan 1993 – Jan 1993 |
| Scout Unit O-3-23308 | Giddings (Austin Chalk-3) | Fayette | 1 | 0 | 0 | — |
| Swift WR "B" O-1-14272 | A.W.P. (Olmos) | McMullen | 1 | 0 | 0 | — |
| South Texas Syndicate "A" O-1-12695 | Wildcat | McMullen | 1 | 0 | 0 | — |
| J.M. Frost Estate Unit #1 O-3-21039 | Willow Slough, N (F-4) | Chambers | 1 | 0 | 0 | — |
| Brennand O-10-29647 | Brennand Ranch (Penn Lime) | Mitchell | 1 | 0 | 0 | — |
| Harris Ranch O-13-23691 | Mountain Creek (Ellenburger, LO) | Cooke | 1 | 0 | 0 | — |
| Harris Ranch O-13-23692 | Mountain Creek (Ellenburger FB3) | Cooke | 1 | 0 | 0 | — |
| Wakefield O-5-3059 | Alabama Ferry (Glenrose D, West) | Leon | 1 | 0 | 0 | — |
| Betts O-5-3105 | Alabama Ferry (Glenrose D, West) | Leon | 1 | 0 | 0 | — |
| Bracken O-1-14303 | A.W.P. (Olmos) | McMullen | 1 | 0 | 0 | — |