| Timberwolf "A" G-6-235845 | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 20.2K | 650K | Feb 2006 – Apr 2012 |
| Blue OX 'a' AC G-6-232517 | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 1.38K | 150K | Dec 2006 – Mar 2012 |
| Welder, J. F. Unit G-4-175152 | Odem (Massive Frio) | San Patricio | 1 | 2.04K | 144K | Dec 1999 – Feb 2012 |
| Bunyan, Paul G-3-243571 | Woodville (Woodbine) | Tyler | 1 | 15 | 224K | Jul 2006 – Dec 2011 |
| Timberwolf G-3-232227 | Woodville (Woodbine) | Tyler | 1 | 153K | 1.17M | Nov 2005 – Apr 2011 |
| Welder, J. F. Unit G-4-162432 | Odem (Massive Frio) | San Patricio | 1 | 8.36K | 219K | Mar 1997 – Oct 2010 |
| Welder, J. F. Unit G-4-210320 | Odem (Massive Frio) | San Patricio | 1 | 3.99K | 116K | Jul 2004 – Oct 2010 |
| Mary Louise G-6-231451 | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 30 | 4.91K | Sep 2007 – Aug 2010 |
| Bomer, E. T. G-4-158061 | Odem (4900) | San Patricio | 1 | 496 | 618K | Oct 1995 – Jan 2010 |
| Lane, E.H. "A" G-4-121699 | Odem (5000) | San Patricio | 1 | 0 | 240K | Jan 1993 – Jan 2010 |
| Keeran Ranch G-2-173465 | Keeran (5300) | Victoria | 1 | 14.8K | 332K | Dec 1998 – Jun 2009 |
| International Shoe G-3-235386 | Giddings (Austin Chalk, Gas) | Brazos | 1 | 0 | 1.24K | Mar 2008 – Mar 2009 |
| O'Connor, Louise G-2-258317 | Anaqua (5000) | Victoria | 1 | 1.19K | 11.5K | May 2008 – Oct 2008 |
| Welder, J. F. G-4-175153 | Odem (Massive Frio) | San Patricio | 1 | 212 | 45.9K | Dec 1999 – Aug 2008 |
| Keeran Ranch G-2-228320 | Keeran (6400) | Victoria | 1 | 0 | 1.83K | Apr 2007 – Mar 2008 |
| May, Sam A. G-2-206788 | Kenedy, Central (Edwards) | Karnes | 1 | 672 | 7.66K | Feb 2004 – Jan 2008 |
| Welder Heirs, J. F. G-4-226778 | Odem (5100) | San Patricio | 1 | 33 | 5.78K | Feb 2007 – May 2007 |
| Welder, J. F. Heirs G-4-215079 | Odem (7000) | San Patricio | 1 | 1.73K | 253K | Dec 2005 – Apr 2007 |
| Lane G-4-160207 | Odem (3200) | San Patricio | 1 | 51 | 239K | Sep 1996 – Apr 2006 |
| Burrows, J. C. & J. S. G-4-211071 | Odem | San Patricio | 1 | 0 | 3.44K | Mar 2005 – Mar 2006 |
| Welder, J.F. Unit G-4-180215 | Odem, S. (5150) | San Patricio | 1 | 511 | 12.8K | Nov 2000 – Feb 2005 |
| Pickering, Henderson G-2-175640 | Placedo, East (5370) | Victoria | 1 | 0 | 420K | Sep 1999 – Jan 2005 |
| O'Connor, Louise S. G-2-164439 | Anaqua (5600 Stray) | Victoria | 1 | 5.43K | 422K | Aug 1997 – Apr 2004 |
| O'Connor, Louise S. G-2-166404 | Anaqua, North (5250) | Victoria | 1 | 4.92K | 261K | Dec 1997 – Apr 2004 |
| Bomer, E. T. G-4-156153 | Odem (5000) | San Patricio | 1 | 0 | 337K | Oct 1995 – Feb 2004 |
| Parker, C.C. -A- G-4-154899 | Odem | San Patricio | 1 | 20 | 523K | May 1995 – Sep 2003 |
| Henderson & Pickering G-2-161182 | Placedo, East (4250) | Victoria | 1 | 0 | 543K | Nov 1996 – Sep 2003 |
| O'Conner, Louise "A" G-2-173204 | Anaqua, North (5375) | Victoria | 1 | 664 | 119K | Mar 1999 – Dec 2002 |
| J. F. Welder Unit G-4-188872 | Odem (4900) | San Patricio | 1 | 6 | 4.58K | Feb 2002 – Jul 2002 |
| Welder Heirs, J. F. G-4-233902 | Odem (7500) | San Patricio | 1 | 0 | 0 | — |
| Welder, J. F. Unit G-4-209489 | Odem (5100) | San Patricio | 1 | 0 | 0 | — |
| Odem Gas Unit #2 O/A G-4-44079 | Odem (6700 -A-) | San Patricio | 1 | 0 | 0 | — |
| McCleney-Lavender Unit G-3-254880 | Giddings (Austin Chalk, Gas) | Grimes | 1 | 0 | 0 | — |