| Royal A-883 O-6-15454 | Wildcat | — | 0 | 0 | 0 | Oct 2015 – Jul 2026 |
| Parkey 'B' O-13-32463 | Parkey, East (Caddo) | Archer | 1 | 3.05K | 271 | Jun 2012 – Mar 2016 |
| Hardy-Thompson Unit O-1-15236 | Pearsall (Austin Chalk) | Frio | 1 | 1.95K | 947 | Jun 2008 – Mar 2016 |
| Parkey "B" O-13-31882 | H. F. F. (Caddo) | Archer | 1 | 0 | 0 | Oct 2010 – Nov 2015 |
| Corrigan State 101 G-10-259441 | Wildcat | Presidio | 1 | 0 | 291 | Oct 2010 – Aug 2015 |
| State Tract 116 G-4-242410 | Wildcat | Aransas | 1 | 0 | 0 | Jun 2007 – Jul 2015 |
| Usx Hematite Unit #1 G-3-184008 | Hematite Sand (Vicksburg) | Chambers | 1 | 0 | 916K | Jul 2001 – Jun 2015 |
| Usx Hematite Unit #1 G-3-180387 | Hematite Sand (Vicksburg) | Chambers | 1 | 0 | 830K | Aug 2000 – Jun 2015 |
| Sterling Unit G-3-201106 | Hematite Sand (Vicksburg) | Chambers | 1 | 0 | 587K | Mar 2004 – Jun 2015 |
| Eubank G-4-216715 | Wildcat | Duval | 1 | 0 | 0 | Jun 2004 – Jun 2015 |
| Eubank G-4-213828 | Wildcat | Duval | 1 | 0 | 0 | Jun 2004 – May 2015 |
| Beach House G-3-199614 | Hematite Sand (Vicksburg) | Chambers | 1 | 0 | 1.34M | Jan 2004 – May 2015 |
| Usx Hematite Unit #1 G-3-177684 | Hematite Sand (Vicksburg) | Chambers | 1 | 0 | 6.39M | Nov 1999 – May 2015 |
| Beach House G-3-196831 | Hematite Sand (Vicksburg) | Chambers | 1 | 0 | 6.5M | Aug 2003 – Apr 2015 |
| Marshall, S. Jr. State A-2123 G-4-191791 | Seven Sisters, S. (Massive) | Duval | 1 | 0 | 309K | Oct 2002 – Apr 2015 |
| Marshall, S. Jr. State A-2123 G-4-193134 | Seven Sisters (2400) | Duval | 1 | 0 | 200K | Jan 2003 – Apr 2015 |
| Briscoe N G-4-210450 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 0 | 12.8K | May 2005 – Mar 2015 |
| Briscoe N G-4-204720 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 0 | 91.8K | Oct 2004 – Mar 2015 |
| Fondren-Letulle A-217 O-3-24566 | Faith-Mag, Southwest (11600) | Matagorda | 1 | 0 | 0 | May 2003 – Feb 2015 |
| South Texas Syndicate 1391-42 O-1-14300 | Washburn Ranch (5500 Sd.) | LA Salle | 2 | 31K | 11.5K | Mar 2000 – Sep 2014 |
| Welder G-2-173224 | Poesta Creek (2750) | Bee | 1 | 0 | 538K | Dec 1998 – Feb 2014 |
| Pitchfork Ranch A-90 G-3-192174 | Wadsworth (11,200 Frio) | Matagorda | 1 | 0 | 1.12M | Oct 2002 – Sep 2013 |
| Pitchfork Ranch A-90 G-3-250213 | Wadsworth, West (Lewis No. 2) | Matagorda | 1 | 0 | 141K | Jul 2008 – Sep 2013 |
| Savage A-74 G-3-205141 | Wildcat | Matagorda | 1 | 0 | 722K | Sep 2004 – Sep 2013 |
| Parkey "B" O-13-31888 | Dana, East (Miss) | Archer | 1 | 4.64K | 642 | Sep 2010 – Aug 2013 |
| Houston Endowment Inc G-4-232986 | Mud Flats (9000) | Aransas | 1 | 0 | 365K | Sep 2007 – Aug 2013 |
| Miller A-14 G-3-230612 | Wildcat | Matagorda | 1 | 0 | 109K | Mar 2007 – May 2013 |
| Kranenburg Unit O-13-31267 | Newark, East (Barnett Shale) | Erath | 1 | 18 | 322 | Apr 2008 – Nov 2012 |
| Cerveny G-13-219956 | Newark, East (Barnett Shale) | Parker | 1 | 0 | 1.11K | Mar 2006 – Oct 2012 |
| Galloway Gas Unit 2 G-3-233246 | Moss Bluff, North (Yegua EY-4) | Liberty | 1 | 0 | 1.83M | Nov 2007 – Feb 2012 |
| Mumme Ranch O-2-9589 | Eagleville (Eagle Ford) | LA Salle | 2 | 14.8K | 18.9K | Sep 2010 – Jan 2012 |
| Waddell Unit G-13-244907 | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 116K | May 2008 – Dec 2011 |
| Waddell Unit G-13-244910 | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 112K | May 2008 – Nov 2011 |
| Waddell Unit G-13-244909 | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 180K | May 2008 – Nov 2011 |
| Fraser Ranch G-8-226439 | Aledo, SE. (1200 Strawn) | Tarrant | 1 | 0 | 0 | Apr 2007 – Jul 2011 |
| Wayne Hood Unit G-13-252168 | Newark, East (Barnett Shale) | Hood | 1 | 0 | 0 | Nov 2008 – Jul 2011 |
| Mund-Lipscomb "a" Unit G-13-221060 | Newark, East (Barnett Shale) | Parker | 1 | 0 | 76.6K | Jun 2006 – Jul 2011 |
| Swan, Linda O-13-31000 | Peek (Caddo Lime) | Jack | 1 | 797 | 0 | Jan 2008 – Jun 2011 |
| Hebert G-13-225610 | Newark, East (Barnett Shale) | Parker | 1 | 0 | 0 | Apr 2005 – Jun 2011 |
| Smelley-Shaw Unit G-13-213568 | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 8.94K | Aug 2005 – Jan 2011 |
| Perkins, Crocker G-2-205900 | Braslau, S. (2ND Tom Lyne) | Live Oak | 1 | 0 | 265K | Jul 2004 – Dec 2010 |
| White G-13-204007 | Newark, East (Barnett Shale) | Parker | 1 | 0 | 0 | Aug 2004 – Mar 2010 |
| White G-13-204008 | Newark, East (Barnett Shale) | Parker | 1 | 0 | 1.66K | Jul 2004 – Mar 2010 |
| Dean Unit G-13-251401 | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 0 | Sep 2008 – Dec 2009 |
| Kranenburg Unit G-13-241184 | Newark, East (Barnett Shale) | Erath | 1 | 0 | 1.72K | Jun 2007 – Oct 2009 |
| Delaney "A" O-6-14123 | Wildcat | Anderson | 1 | 0 | 0 | Nov 2001 – Mar 2009 |
| Dean Unit G-13-252087 | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 0 | Sep 2008 – Mar 2009 |
| Von Gonten G-3-253332 | Wildcat | Matagorda | 1 | 0 | 0 | Nov 2007 – Aug 2008 |
| Barrera G-4-169978 | Kreis | Duval | 1 | 0 | 68.6K | Jul 1998 – Feb 2008 |
| S.I.W.B.S. O-2-8561 | Wildcat | Goliad | 1 | 0 | 0 | Jul 2000 – Jan 2008 |