| Chapman Ranch G-4-230045 | Mobil-David (Howell Hight) | Nueces | 1 | 10.6K | 711K | Aug 2007 – Apr 2012 |
| Chapman Ranch G-4-247512 | Chapman Ranch (Upper Frio Cons.) | Nueces | 1 | 2.05K | 26.5K | Oct 2008 – Apr 2012 |
| Frank Sorrel Jr. G-3-246619 | Spanish Camp, South (4000 Frio) | Wharton | 1 | 0 | 76.9K | Jan 2009 – Apr 2012 |
| Champman J.O. O-4-13378 | Chapman Ranch (Upper Frio Cons.) | Nueces | 4 | 5.14K | 15.2K | Nov 2006 – Jan 2012 |
| Landis G-5-252322 | Tri-Cities (Cotton Valley) | Henderson | 1 | 0 | 5.36K | Jan 2011 – Jul 2011 |
| Chapman, J. O. G-4-157580 | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 10 | 158K | Dec 1995 – Jun 2011 |
| Boetcher G-3-255677 | Lissie, South (4000) | Fort Bend | 1 | 0 | 74.8K | Dec 2009 – May 2011 |
| Chapman Ranch G-4-243891 | Chapman Ranch (Anderson, Lo.) | Nueces | 1 | 625 | 36.9K | Nov 2008 – Apr 2011 |
| Parker Trust Gas Unit G-5-241139 | Thomas Lake (Cotton Valley) | Henderson | 1 | 196 | 51.8K | May 2008 – Mar 2011 |
| Jack Hawes, Jr. G-3-254840 | Kendleton, SE. (Frio 5000) | Wharton | 1 | 0 | 53.8K | Jul 2009 – Aug 2010 |
| Hlavinka Gas Unit G-3-258479 | Hungerford, N.(4300) | Wharton | 1 | 0 | 5.83K | Apr 2010 – Jul 2010 |
| Chapman Ranch G-4-255656 | Wildcat | Nueces | 1 | 45 | 200 | May 2010 – Jun 2010 |
| Hlavinka Gas Unit G-3-235617 | Hungerford, North (4750) | Wharton | 1 | 0 | 97.3K | Nov 2007 – Mar 2010 |
| Chapman Ranch G-4-243672 | Arnold--David (10,400) | Nueces | 1 | 20 | 4.18K | Aug 2008 – Jan 2010 |
| Chapman, J.O. 38 G-4-164385 | Mobil-David, W. (Howell Hight) | Nueces | 1 | 64.2K | 972K | May 1997 – Nov 2009 |
| Boettcher G-3-202775 | Hungerford, N. (3300) | Fort Bend | 1 | 0 | 318K | Jun 2004 – Nov 2009 |
| Preisler G-3-199319 | Hungerford, North (4100) | Wharton | 1 | 0 | 280K | Dec 2003 – Sep 2009 |
| Hawes, Jack Jr. G-3-196390 | Edwin Pharis (Frio 5100) | Wharton | 1 | 0 | 770K | Apr 2003 – Jul 2009 |
| Chapman Ranch G-4-235060 | Mobil-David (Frio 12,600) | Nueces | 1 | 11.1K | 682K | Jan 2008 – Jan 2009 |
| Sorrel, Frank Jr. G-3-188016 | Spanish Camp, South (4500) | Wharton | 1 | 0 | 715K | Jan 2002 – Dec 2008 |
| McDonald O-5-3875 | Tri-Cities (Pettit) | Henderson | 1 | 290 | 0 | Jun 2008 – Aug 2008 |
| Macha Gas Unit No. 2 G-3-199018 | Mary Macha (Frio) | Wharton | 1 | 0 | 170K | Jun 2003 – Jan 2008 |
| Macha Gas Unit No. 2 G-3-192685 | Mary Macha (Frio) | Wharton | 1 | 0 | 314K | Dec 2002 – Nov 2007 |
| Hlavinka Gas Unit G-3-193460 | Hungerford, North (5000) | Wharton | 1 | 0 | 586K | Jan 2003 – Oct 2007 |
| Hlavinka Gas Unit G-3-193214 | Hungerford, North (4750) | Wharton | 1 | 0 | 244K | Dec 2002 – Sep 2007 |
| Chapman Ranch "B" G-4-194740 | Chapman Ranch (9650) | Nueces | 1 | 9.49K | 761K | Apr 2003 – Jun 2007 |
| Koonce G-3-196117 | Hungerford, N.(4300) | Wharton | 1 | 0 | 99.3K | Jul 2003 – Jun 2007 |
| Chapman Ranch G-4-176790 | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 0 | 685K | Jan 2000 – Apr 2007 |
| Sorrel, Gordon G-3-192324 | Spanish Camp (Frio 3838) | Wharton | 1 | 0 | 461K | Nov 2002 – Apr 2007 |
| Sorrel, Marcial III G-3-188126 | Spanish Camp, South (4000 Frio) | Wharton | 1 | 0 | 635K | Feb 2002 – Apr 2007 |
| Chapman, J. O. "D" G-4-225204 | Chapman Ranch (Catahoula Cons.) | Nueces | 1 | 66 | 9.39K | Apr 2006 – Feb 2007 |
| Chapman J. O. O-4-12911 | Chapman Ranch (5600) | Nueces | 2 | 28.5K | 65K | Dec 1999 – Oct 2006 |
| Chapman Ranch -B- O-4-8644 | Chapman Ranch (5600) | Nueces | 1 | 20.1K | 24 | Jan 1993 – Oct 2006 |
| Chapman, J. O. O-4-447 | Chapman Ranch (C- 3) | Nueces | 5 | 19K | 31K | Jan 1993 – Oct 2006 |
| Chapman Ranch, J. O. "D" O-4-13389 | Chapman Ranch (6260) | Nueces | 1 | 14.8K | 2.51K | Jul 2006 – Oct 2006 |
| Locke Gas Unit G-3-195686 | Hungerford, N. (3300) | Wharton | 1 | 0 | 96.1K | May 2003 – Apr 2006 |
| Chapman, J. O. G-4-166735 | Mobil-David (Anderson) | Nueces | 1 | 1.39K | 151K | Jan 1998 – Mar 2006 |
| Macha Gas Unit No. 1 G-3-199556 | Mary Macha (Frio) | Wharton | 1 | 0 | 148K | Jan 2003 – Jan 2006 |
| Boedeker Unit G-3-199400 | Old Wagon Wheel (Frio) | Wharton | 1 | 0 | 102K | Dec 2003 – Dec 2005 |
| Chapman, J. O. G-4-180218 | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 27 | 322K | Nov 2000 – Oct 2005 |
| Janssen, J. F. G-2-82613 | Runge, E. (Roeder 10250) | Karnes | 1 | 1.91K | 189K | Jan 1993 – Sep 2005 |
| Chapman Ranch G-4-174740 | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 0 | 158K | Sep 1999 – Jun 2005 |
| Chapman Ranch G-4-189542 | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 0 | 301K | Jun 2002 – May 2005 |
| Gaus-Janssen G-2-183151 | Runge, E. (Hackney) | Karnes | 1 | 11.8K | 653K | Feb 2001 – Mar 2005 |
| Chapman Ranch G-4-188606 | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 0 | 154K | Jan 2002 – Mar 2005 |
| Chapman, J. O. O-4-12969 | Chapman Ranch (C-15) | Nueces | 1 | 9.9K | 3.49K | Nov 2000 – Jan 2005 |
| Chapman, J. O. O-4-12946 | Chapman Ranch (Catahoula, Msv,e) | Nueces | 1 | 1.82K | 17.2K | Jun 2000 – Jan 2005 |
| Hudgins Division G-3-200923 | Hungerford (3100) | Wharton | 1 | 0 | 44.9K | Feb 2004 – Dec 2004 |
| Chapman, J. O. O-4-12906 | Chapman Ranch (6600) | Nueces | 1 | 12.9K | 5.33K | Feb 2000 – Nov 2004 |
| Chapman Ranch G-4-185598 | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 0 | 127K | May 2001 – Nov 2004 |