| Hilbrich, J.P. O-2-8867 | Barvo (Yegua Sand) | Karnes | 1 | 40.9K | 20.5K | May 2004 – Apr 2021 | off the schedule |
| Kornfuehrer O-2-4966 | Henze (4250) | De Witt | 2 | 40.3K | 0 | Oct 1999 – Apr 2021 | Estate of James L. Nelson |
| Heyer, Harold O-2-5522 | Arneckeville (Yegua 4870,E) | De Witt | 2 | 32.7K | 10.8K | Apr 2003 – Apr 2021 | Estate of James L. Nelson |
| Boyce O-2-8245 | Boyce, North (Yegua) | Goliad | 1 | 30.4K | 5.53K | Sep 2001 – Apr 2021 | Estate of James L. Nelson |
| Adams O-2-7355 | Theis | Bee | 1 | 29.7K | 0 | Jun 1995 – Apr 2021 | Estate of James L. Nelson |
| Altman, Wm. "A" O-2-7865 | Boyce (Luling 7600) | Goliad | 2 | 26.5K | 133 | Mar 1993 – Apr 2021 | Estate of James L. Nelson |
| E. Henke G-2-242488 | Weesatche, West (Cook Mt.) | Goliad | 1 | 20K | 45.6K | Sep 2008 – Apr 2021 | Estate of James L. Nelson |
| Altman, William B. G-2-89864 | Boyce (Recklaw) | Goliad | 1 | 7.42K | 208K | Mar 1998 – Apr 2021 | Estate of James L. Nelson |
| Wm. Altman O-2-10942 | Boyce (Luling 7600) | Goliad | 1 | 6.92K | 33.6K | Sep 2014 – Apr 2021 | Estate of James L. Nelson |
| Altman, Wm. O-2-4542 | Boyce (Wilcox, 2ND Massive) | Goliad | 1 | 5.55K | 0 | Apr 2005 – Apr 2021 | Estate of James L. Nelson |
| Marshall "B" G-2-200715 | Slick, S. (Wilcox "J") | Goliad | 1 | 2.02K | 187K | Mar 2010 – Apr 2021 | Estate of James L. Nelson |
| Urban-Foerster Unit G-2-89214 | Poehler (Slick-Wilcox 8000) | Goliad | 1 | 1.97K | 423K | Apr 2001 – Apr 2021 | Estate of James L. Nelson |
| Rau G-2-139306 | Weser (Recklaw 7560) | Goliad | 1 | 1.17K | 96.2K | Mar 2009 – Apr 2021 | Estate of James L. Nelson |
| Junker, Emilie et al Unit G-2-78977 | Arneckeville (Yegua 5260) | De Witt | 1 | 713 | 20.2K | Oct 2011 – Apr 2021 | Estate of James L. Nelson |
| Junker, Emilie et al Unit G-2-121763 | Arneckeville (Yegua 5260) | De Witt | 1 | 362 | 20.3K | Oct 2011 – Apr 2021 | Estate of James L. Nelson |
| Altman G-2-218021 | Boyce (Recklaw) | Goliad | 1 | 314 | 85.4K | Jul 2009 – Apr 2021 | Estate of James L. Nelson |
| Egg-Junker et al Unit G-2-78781 | Arneckeville (Yegua 4870) | De Witt | 1 | 299 | 40.1K | Oct 2011 – Apr 2021 | Estate of James L. Nelson |
| Poehler G-2-168386 | Poehler (Cook MT 5130) | Goliad | 1 | 270 | 343K | May 1998 – Apr 2021 | Estate of James L. Nelson |
| Egg-Junker et al Unit G-2-77252 | Arneckeville (Yegua 4870) | De Witt | 1 | 247 | 21.3K | Oct 2011 – Apr 2021 | Estate of James L. Nelson |
| Els G-2-219274 | Cabeza Creek (Pettus) | Goliad | 1 | 50 | 26.5K | Feb 2013 – Apr 2021 | Estate of James L. Nelson |
| Ramsey G-2-31580 | Albrecht (Reklaw) | Goliad | 1 | 20 | 36.7K | Aug 2013 – Apr 2021 | Nog Production & Operating LLC |
| Tipton, Ida E. G-2-972 | Boyce (Recklaw) | Goliad | 1 | 0 | 22.5K | Jul 2006 – Apr 2021 | Nog Production & Operating LLC |
| Els, Emil G-2-980 | Boyce (Wilcox C Slick) | Goliad | 1 | 0 | 75.4K | May 1999 – Apr 2021 | Estate of James L. Nelson |
| Boyce, W. W. G-2-195358 | Boyce (Slick) | Goliad | 1 | 0 | 104K | May 2003 – Apr 2021 | Estate of James L. Nelson |
| Cook G-2-174406 | Gowitt (Yegua 4575) | Goliad | 1 | 0 | 47K | May 2011 – Apr 2021 | Estate of James L. Nelson |
| Altman G-2-145726 | Boyce (Hockley) | Goliad | 1 | 0 | 35.2K | Dec 1995 – Apr 2021 | Estate of James L. Nelson |
| Altman G-2-111335 | Boyce (Pettus) | Goliad | 1 | 0 | 171K | Mar 1998 – Apr 2021 | Estate of James L. Nelson |
| Muecke G-2-143106 | Boyce (Hockley) | Goliad | 1 | 0 | 26.1K | Dec 1995 – Apr 2021 | Estate of James L. Nelson |
| Marshall, William G-2-142659 | Boyce (Hockley) | Goliad | 1 | 0 | 31K | Dec 1995 – Apr 2021 | Estate of James L. Nelson |
| Els, Emil G-2-964 | Boyce (Recklaw) | Goliad | 1 | 0 | 14.2K | Jan 2008 – Apr 2021 | Estate of James L. Nelson |
| Altman, Wm. G-2-98996 | Boyce (Recklaw) | Goliad | 1 | 65 | 13.4K | Jun 2008 – Jan 2021 | Estate of James L. Nelson |
| Keahey-Meyer O-2-8096 | Gottschalt (Hockley 3820) | Goliad | 1 | 8.53K | 64.2K | Jul 1995 – Sep 2020 | Estate of James L. Nelson |
| Leggett, R. L. O-2-8440 | Barvo (Yegua Sand) | Goliad | 2 | 60.6K | 30.8K | Feb 2001 – Sep 2019 | off the schedule |
| Corgey Unit O-2-8775 | Barvo (Yegua Sand) | Goliad | 1 | 24.5K | 46.2K | Feb 2003 – Sep 2019 | Estate of James L. Nelson |
| Els, Henry G-2-38984 | Melrose (Slick-Wilcox) | Goliad | 1 | 218 | 67.1K | Feb 2013 – Feb 2019 | Estate of James L. Nelson |
| Els, Emil G-2-100333 | Boyce (Wilcox C Slick) | Goliad | 1 | 21 | 39.9K | Sep 2002 – Feb 2019 | Estate of James L. Nelson |
| Goehring, Robert F. G-2-129349 | Brandt, N. (Reklaw) | Goliad | 1 | 7.49K | 278K | Oct 2009 – Jan 2019 | Erskine Energy, LLC |
| Goehring G-2-125495 | Brandt, N. (Reklaw) | Goliad | 1 | 6.27K | 266K | Oct 2009 – Jan 2019 | off the schedule |
| Chapman, M. (Sun) G-2-140424 | Poehler (Massive 8250) | Goliad | 1 | 0 | 35.9K | Jun 1998 – Apr 2018 | Estate of James L. Nelson |
| Chapman Brothers G-2-257145 | Poehler (Cook Mt.) | Goliad | 1 | 54 | 27.1K | Nov 2010 – Dec 2017 | off the schedule |
| Dohmann, F. A. O-2-1617 | Weesatche, South ( Yegua Upper) | Goliad | 3 | 29.8K | 5.27K | Dec 1996 – Nov 2017 | this operator |
| Chapman, M.M. et UX G-2-155084 | Poehler (Yegua -B-) | Goliad | 1 | 6.42K | 112K | Jul 1997 – Oct 2017 | Estate of James L. Nelson |
| Chapman G-2-135869 | Cabeza Creek, S. (Cook MT S) | Goliad | 1 | 217 | 104K | Aug 1997 – Oct 2017 | off the schedule |
| Chapman G-2-125079 | Cabeza Creek, S. (Cook MT S) | Goliad | 1 | 0 | 29.8K | Sep 2000 – Oct 2017 | off the schedule |
| Teague, J & I G-2-260577 | Friendship Church (Hockley) | Bee | 1 | 0 | 10.4K | Feb 2011 – Oct 2017 | off the schedule |
| Kenne, August O-2-187 | Boyce | Goliad | 1 | 2.92K | 0 | Aug 2013 – Sep 2017 | Estate of James L. Nelson |
| Ideus G-2-182522 | Gottschalt (Third Yegua) | Goliad | 1 | 778 | 10.5K | Mar 2010 – Feb 2017 | Estate of James L. Nelson |
| Ideus Unit G-2-161801 | Weesatche, West (Luling) | Goliad | 1 | 123 | 6.72K | Dec 2011 – Feb 2017 | off the schedule |
| Bluntzer "B" O-2-7660 | Melrose, E. (Yegua, Upper) | Goliad | 1 | 1.02K | 4.04K | Aug 2013 – May 2016 | Nog Production & Operating LLC |
| Wright Materials Inc. Unit G-2-96917 | Slick, S. (Wilcox "J") | Goliad | 1 | 2.32K | 317K | Mar 2007 – Mar 2016 | Erskine Energy, LLC |