| State Tract 279 O-4-13154 | Conn Brown Harbor (Frio "C") | Aransas | 1 | 53.1K | 423K | May 2003 – Aug 2017 |
| Wright O-4-11346 | Conn Brown Harbor (Frio "D") | San Patricio | 1 | 106K | 511K | Jan 1993 – Jul 2017 |
| Daniel, M. K. -A- O-1-14357 | Simpson-Mann (Canyon) | Val Verde | 1 | 12.4K | 38.9K | Jul 2001 – Feb 2017 |
| Bodkins, J. D. O-10-23268 | Waha, W. (Consolidated Delaware) | Reeves | 7 | 119K | 300K | Jan 1993 – Aug 2016 |
| Bodkins, J. D. O-10-16171 | Waha, West (Delaware) | Reeves | 5 | 32.3K | 44.1K | Jan 1993 – Aug 2016 |
| McKenzie State Unit O-10-38827 | Coyanosa, N. (Delaware) | Pecos | 1 | 8.37K | 18.9K | Jul 2008 – Aug 2016 |
| Hirsch 'E' O-9-18343 | Spraberry (Trend Area) | Upton | 2 | 17.2K | 56.1K | Sep 2013 – Mar 2015 |
| Sid M. Kyle 26 O-10-44906 | Sandbar (Bone Spring) | Loving | 4 | 46.5K | 123K | Aug 2013 – Sep 2014 |
| Z&T 32 O-10-44030 | Sandbar (Bone Spring) | Loving | 4 | 123K | 398K | May 2013 – Jul 2014 |
| Kyle, Sid M. O-10-16455 | El Mar (Delaware) | Loving | 5 | 42.5K | 177 | Jan 1993 – Dec 2011 |
| Thompson, J. A. O-4-12918 | Riverside (6560) | Nueces | 1 | 20.9K | 104K | Aug 1999 – Aug 2011 |
| State Tract 280 O-4-11751 | Conn Brown Harbor (Frio "D") | Aransas | 1 | 131K | 446K | Jan 1993 – Apr 2011 |
| Daniel, M. K. "A" O-1-14200 | Simpson-Mann (Canyon) | Crockett | 2 | 5.45K | 436K | May 1998 – Oct 2010 |
| Conn-Brown-State-G Sand Unit O-4-13258 | Conn Brown Harbor (Frio "E" FB-B | Aransas | 1 | 32.1K | 986K | Sep 2004 – Apr 2010 |
| Mbank O-3-22350 | Cleveland,s.(blanding) | Liberty | 1 | 32K | 54.9K | Apr 1994 – Dec 2007 |
| Baldwin, Robert O-3-23417 | Cleveland S. (5850) | Liberty | 1 | 87.7K | 220K | Nov 1997 – Nov 2007 |
| Black Stone Gas Unit O-3-24155 | Long Station (Wilcox) | Hardin | 1 | 6.53K | 82.2K | Mar 2002 – Jul 2007 |
| Baldwin, R.G. O-3-20771 | Cleveland | Liberty | 1 | 38.9K | 118K | Jan 1993 – Jan 2007 |
| Slataper-Peterson O-3-24196 | Hastings, S.e.(f-45 Seg-A-Lower) | Galveston | 1 | 9.89K | 25.1K | Apr 2002 – Oct 2006 |
| Thompson, J. A. O-4-12075 | Riverside, East (4950 Sd.) | Nueces | 2 | 27.1K | 240K | Jan 1993 – Dec 2005 |
| Thompson, J.A. O-4-12552 | Riverside, East (5500 Frio M) | Nueces | 1 | 6.03K | 35K | Apr 1996 – Sep 2005 |
| Thompson, J.A. O-4-12694 | Riverside, East (5358) | Nueces | 1 | 5.11K | 58.3K | May 1997 – Aug 2005 |
| State Tract 279 O-4-11835 | Conn Brown Harbor (Frio "D") | Aransas | 3 | 186K | 1.21M | Jan 1993 – Apr 2004 |
| Fasken, David "28" O-10-23963 | Serio (Grayburg) | Andrews | 4 | 142K | 13.7K | Jan 1993 – Apr 2004 |
| Gaskamp, Wilma D. O-3-18930 | Cleveland S. (5850) | Liberty | 1 | 38.8K | 37K | Jan 1993 – Mar 2004 |
| Blezinger O-3-23196 | New Ulm (Wilcox 10,600) | Austin | 1 | 12.1K | 88.9K | Dec 1996 – Mar 2004 |
| Gulf Unit O-3-24060 | Cleveland S. (5850) | Liberty | 1 | 11.1K | 22.1K | Jun 2001 – Mar 2004 |
| Kirby O-3-23913 | Cleveland, S. (Yegua 6620) | Liberty | 1 | 6.38K | 39.3K | Jan 2000 – Jul 2003 |
| Schrader O-3-23677 | Santone (8650) | Austin | 1 | 6.94K | 17.7K | Nov 1998 – Mar 2003 |
| Dobbins O-13-30099 | Newark, East (Barnett Shale) | Wise | 1 | 2.23K | 58.6K | Dec 2002 – Mar 2003 |
| Gruetzmacher O-2-8732 | Weesatche, West (Cook Mt.) | Goliad | 2 | 836 | 10.5K | Sep 2001 – Aug 2002 |
| Emma Ruege Oil Unit O-3-16847 | Hastings,s.e.(f-46 Seg,b Upper) | Galveston | 1 | 225K | 250K | Jan 1993 – Jul 2002 |
| Hovey, Blanche Unit O-3-11540 | Hastings,s.e.(f-46 Seg,b Upper) | Galveston | 1 | 95.8K | 329K | Jan 1993 – Jul 2002 |
| Segelquist, R. O-3-21872 | Hastings, S.E. (F-44 Seg-A) | Galveston | 1 | 31.2K | 198K | Jan 1993 – Jun 2002 |
| Hodges et al State O-10-36862 | Troporo (Devonian) | Pecos | 1 | 24 | 2.44K | Feb 2002 – Feb 2002 |
| Thompson, J.A. O-4-12593 | Riverside (5900) | Nueces | 1 | 30K | 59K | Jul 1996 – Sep 2001 |
| Slataper-Peterson O-3-23850 | Hastings, S.e.(f-45 Seg-A-) | Galveston | 1 | 9.13K | 42.5K | Feb 2000 – May 2001 |
| Gulf Unit O-3-23808 | Cleveland, S. (Yegua 6250) | Liberty | 1 | 4.42K | 12.2K | Feb 2000 – May 2001 |
| Thompson Unit O-4-11688 | Riverside (Lopez Sand) | Nueces | 1 | 51.1K | 31.6K | Jan 1993 – Dec 2000 |
| Holland, Mabel O-10-35792 | Troporo (Devonian) | Pecos | 1 | 352 | 0 | Jan 1998 – Apr 2000 |
| Pecos County Wid #3 O-10-35496 | Malicky (Queen Sand) | Pecos | 2 | 599 | 0 | Jul 1997 – Mar 2000 |
| Thompson, J. A. O-4-11554 | Riverside, East (5200) | Nueces | 1 | 3.57K | 97.3K | Jan 1993 – Feb 2000 |
| Thompson Unit O-4-12831 | Riverside, East (7000 Frio) | Nueces | 1 | 1.57K | 93.1K | Feb 1999 – Feb 2000 |
| Gulf Unit O-3-18451 | Cleveland, S. (Yegua 6250) | Liberty | 1 | 44.5K | 43K | Jan 1993 – Sep 1999 |
| Windham, F. O-8-17802 | Poindexter (Cross Plains) | Callahan | 7 | 2.93K | 21 | Jan 1993 – Feb 1999 |
| Vastar Fee "A" O-3-23371 | Long Station (Wilcox) | Hardin | 2 | 10.6K | 23.5K | Sep 1997 – Mar 1998 |
| Windham, F. O-8-17947 | Jessica (Miss) | Callahan | 2 | 2.01K | 20 | Jan 1993 – Feb 1998 |
| Slataper Oil Unit O-3-22501 | Hastings, S.e.(f-45 Seg-A-Lower) | Galveston | 2 | 18.9K | 26.2K | Jul 1994 – Jun 1996 |
| Thompson O-4-11733 | Riverside (Lopez Sand) | Nueces | 1 | 797 | 24 | Jan 1993 – Dec 1995 |
| City of Aransas Pass O-4-11553 | Conn Brown Harbor (Frio "D") | Aransas | 2 | 23.3K | 100K | Jan 1993 – Sep 1995 |