| Christianson O-8-11252 | Brahman Operating, L.L.C. | C G P (Marble Falls) | 4 | 22K | 54 | Jan 1993 – Jul 2026 |
| Christianson, J. O-8-29056 | Quicksilver Resources Inc. | Lamkin-Hamilton (Barnett) | 1 | 901 | 0 | Sep 2001 – Dec 2005 |
| Nichols O-8-27703 | West Bay Exploration Company | C G P (Marble Falls) | 1 | 681 | 50 | Oct 1995 – Feb 1997 |
| Mesquite G-8-221530 | Marathon Oil Company | Wildcat | 1 | 0 | 0 | Sep 2006 – Feb 2009 |
| Jones, Travis G-8-229310 | Arrowhead Operating Inc. | Pottsville, South (Marble Falls) | 1 | 0 | 47.4K | Jul 2007 – Jul 2026 |
| Lone Star Fee/Jones, Travis G-8-232485 | Arrowhead Operating Inc. | Pottsville, South (Marble Falls) | 1 | 0 | 65.2K | Aug 2007 – Jul 2026 |
| Duncan Ranch G-13-220838 | Marathon Oil Company | Newark, East (Barnett Shale) | 1 | 0 | 0 | Feb 2006 – Aug 2008 |
| Duncan Ranch G-13-220840 | Marathon Oil Company | Newark, East (Barnett Shale) | 1 | 0 | 0 | Apr 2006 – Sep 2008 |
| Duncan Ranch G-13-220841 | Marathon Oil Company | Newark, East (Barnett Shale) | 1 | 0 | 0 | Apr 2006 – Oct 2008 |
| Duncan Ranch G-13-220842 | Marathon Oil Company | Newark, East (Barnett Shale) | 1 | 0 | 0 | Mar 2006 – Sep 2008 |
| Duncan, James G-13-220843 | Marathon Oil Company | Newark, East (Barnett Shale) | 1 | 0 | 0 | May 2006 – Sep 2008 |
| Klutts G-13-231427 | Quicksilver Resources Inc. | Newark, East (Barnett Shale) | 1 | 0 | 0 | Apr 2006 – Dec 2007 |
| Lake Davis G-13-247031 | Marathon Oil Company | Newark, East (Barnett Shale) | 1 | 0 | 0 | Oct 2007 – Jun 2008 |
| Riverside Ranch, L.P. - 2 G-13-248670 | Americo Energy Resources, LLC | Newark, East (Barnett Shale) | 1 | 0 | 0 | Feb 2008 – Dec 2011 |
| Riverside Ranch, L.P. - 3 G-13-248671 | Americo Energy Resources, LLC | Newark, East (Barnett Shale) | 1 | 0 | 0 | Feb 2008 – Nov 2012 |
| Riverside Ranch, L.P. G-13-248676 | Americo Energy Resources, LLC | Newark, East (Barnett Shale) | 1 | 0 | 0 | Jan 2008 – Nov 2012 |
| Soules Estate O-8-27344 | West Bay Exploration Company | Wildcat | 2 | 0 | 0 | Nov 1994 – Feb 1997 |
| Nichols O-8-27602 | West Bay Exploration Company | Wildcat | 1 | 0 | 0 | Jun 1995 – Mar 2008 |
| Redford O-8-27686 | Tex-Ann Oil & Gas Services, Inc. | Wildcat | 1 | 0 | 0 | Oct 1995 – Dec 1997 |
| Klutts O-8-29051 | Quicksilver Resources Inc. | Wildcat | 1 | 0 | 0 | Nov 2001 – May 2005 |
| Myers,lujana Cox G-8-97748 | Tex-Sun Oil Company | R.J. Black (Marble Falls, Gas) | 1 | 0 | 0 | Jan 1993 – Sep 1997 |
| Hamilton SWD O-13-30985 | Barnett Enviro Mgmt Svcs, LLC | Newark, East (Barnett Shale) | 1 | 0 | 0 | Oct 2007 – Jul 2016 |
| Rea, T. K. G-8-175065 | Foundation Energy Management LLC | Pottsville (Marble Falls) | 1 | 0 | 5.87K | Jun 1999 – Jul 2021 |
| Kyle, Cynthia Unit G-8-216228 | Blackwell Operating Company | Wildcat | 1 | 0 | 0 | May 2006 – Jun 2007 |