| Plummer O-3-22438 | Gaither Petroleum Corporation | Chocolate Bayou | Brazoria | 1 | 13K | 8.54K | Apr 1994 – May 1996 |
| Ziegler-Olds O-6-13731 | Gaither Petroleum Corporation | Midway Lake | Wood | 1 | 12.5K | 83 | Nov 1997 – Aug 2026 |
| Galindo O-4-13805 | Gaither Petroleum Corporation | Magnolia City, N. (Frio 5040) | Jim Wells | 1 | 12.3K | 0 | Mar 2013 – Jun 2022 |
| Bennett, Mills Estate Fee O-4-11936 | Gaither Petroleum Corporation | Mills Bennett ( P Sand Seg 2) | Brooks | 1 | 11.1K | 84.7K | by Jan 1993 – May 1997 |
| Bennett, Mills, Estate Fee O-4-1824 | Gaither Petroleum Corporation | Mills Bennett ( a Sand) | Brooks | 2 | 10.9K | 28.6K | by Jan 1993 – May 1997 |
| Mosley, L. O-6-10372 | Gaither Petroleum Corporation | Midway Lake | Wood | 1 | 10.9K | 127 | Apr 1994 – Aug 2026 |
| W.C. Robinson O-6-5887 | Gaither Petroleum Corporation | Forest Hill(sub-Clarksville 1ST) | Wood | 7 | 10.4K | 31 | Apr 1994 – Dec 2015 |
| B.P. Sterne O-3-26088 | Gaither Petroleum Corporation | Spurger, E. (5050) | Tyler | 1 | 10.3K | 2.45K | Jun 2011 – Nov 2014 |
| Bennett, Mills Est. Fee O-4-1828 | Gaither Petroleum Corporation | Mills Bennett ( E Sand) | Brooks | 4 | 9.86K | 19.9K | by Jan 1993 – May 1997 |
| Santos-Lewis GU G-3-188108 | Gaither Petroleum Corporation | Duncan Slough (Frio Cons.) | Matagorda | 1 | 9.83K | 249K | Feb 2002 – Sep 2005 |
| Kennedy-Johnson O-6-11224 | Gaither Petroleum Corporation | Quitman, Southeast (Gloyd) | Wood | 1 | 8.49K | 65.9K | by Jan 1993 – Jun 2001 |
| Bennett, Mills, Estate Fee O-4-9097 | Gaither Petroleum Corporation | Mills Bennett (13-C) | Brooks | 2 | 8.01K | 12.3K | by Jan 1993 – May 1997 |
| Weems, J.M. O-6-13647 | Gaither Petroleum Corporation | Forest Hill(sub-Clarksville 1ST) | Wood | 1 | 7.88K | 66 | Sep 1996 – Dec 2010 |
| Unit A O-6-15491 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 6 | 7.86K | 0 | Dec 2014 – Aug 2026 |
| Mills Bennett Estate Fee O-4-7970 | Gaither Petroleum Corporation | Mills Bennett ( C-2 Sand) | Brooks | 2 | 7.34K | 51.5K | by Jan 1993 – May 1997 |
| Mills Bennett Estate Fee O-4-10423 | Gaither Petroleum Corporation | Mills Bennett (K Sand) | Brooks | 2 | 7.17K | 104K | by Jan 1993 – May 1997 |
| Tract 4 O-6-14000 | Gaither Petroleum Corporation | Forest Hill(sub-Clarksville 1ST) | Wood | 1 | 7.09K | 0 | May 2004 – Aug 2026 |
| Olds O-6-13591 | Gaither Petroleum Corporation | Midway Lake | Wood | 3 | 7.05K | 137 | Jun 1996 – Sep 2010 |
| Mills Bennett Estate Fee O-4-12183 | Gaither Petroleum Corporation | Mills Bennett ( D Sand Seg 3) | Brooks | 1 | 6.7K | 30.4K | Apr 1993 – May 1997 |
| Tract 8A O-6-15012 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 4 | 6.58K | 0 | Jul 2012 – May 2015 |
| Bennett, Mills, Estate Fee O-4-4118 | Gaither Petroleum Corporation | Mills Bennett ( D-1 Sand) | Brooks | 1 | 6.48K | 5.91K | by Jan 1993 – Jul 1995 |
| Taylor Unit G-3-283787 | Gaither Petroleum Corporation | Constitution, South (Yegua) | Jefferson | 1 | 6.36K | 78.3K | Sep 2017 – May 2018 |
| Battlestein et al G. U. G-3-196791 | Gaither Petroleum Corporation | Hinkle (Cockfield 5800) | Harris | 1 | 6.35K | 1.08M | Jun 2003 – May 2010 |
| /Mills Bennett Estate/ Fee O-4-1832 | Gaither Petroleum Corporation | Mills Bennett ( J-2 Sand) | Brooks | 1 | 6.3K | 14.7K | by Jan 1993 – May 1997 |
| Bennett, Mills Estate O-4-12338 | Gaither Petroleum Corporation | Mills Bennett ( L-2 Seg 2) | Brooks | 1 | 5.92K | 155 | Apr 1994 – Aug 1996 |
| Miles, Tim G-3-7374 | Gaither Petroleum Corporation | Meadowbrook (Cockfield 7300) | Harris | 1 | 5.66K | 1.15M | by Jan 1993 – Dec 2011 |
| Mills Bennett O-4-11917 | Gaither Petroleum Corporation | Mills Bennett (B Sand Seg. 6) | Brooks | 1 | 5.39K | 49.1K | by Jan 1993 – Aug 1996 |
| Tract 14 O-6-15301 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 1 | 5.24K | 0 | Aug 2012 – Apr 2015 |
| /Bennett, Mills, Estate/ Fee O-4-1825 | Gaither Petroleum Corporation | Mills Bennett ( a Sand Seg 2) | Brooks | 3 | 5.21K | 7.32K | by Jan 1993 – May 1997 |
| Plummer G-3-159111 | Gaither Petroleum Corporation | Chocolate Bayou | Brazoria | 1 | 5.04K | 182K | May 1996 – Dec 1996 |
| White, J. B. O-6-14030 | Gaither Petroleum Corporation | Forest Hill(sub-Clarksville 1ST) | Wood | 2 | 4.96K | 11 | Sep 2001 – Aug 2026 |
| Musselman G-2-239400 | Gaither Petroleum Corporation | Salem, East (2600 Miocene) | Victoria | 1 | 4.9K | 146K | Jun 2008 – Jul 2010 |
| Mills Bennet Estate Fee O-4-10100 | Gaither Petroleum Corporation | Mills Bennett (a Sand, Seg. 5) | Brooks | 1 | 4.62K | 6.66K | by Jan 1993 – May 1997 |
| Tract 9 O-6-15024 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 2 | 4.59K | 0 | Apr 2013 – Aug 2015 |
| Battlestein et al G. U. G-3-203320 | Gaither Petroleum Corporation | Hinkle (Cockfield 5800) | Harris | 1 | 4.56K | 827K | Apr 2004 – May 2011 |
| Gibbs G-3-157755 | Gaither Petroleum Corporation | Dean Lake (Wilcox 13300) | Montgomery | 1 | 3.62K | 313K | Feb 1996 – Feb 2016 |
| Yna G-2-278535 | Gaither Petroleum Corporation | Hope (Wilcox 8800) | Lavaca | 1 | 3.53K | 36.1K | Apr 2015 – Aug 2015 |
| Tract 19 O-6-15026 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 1 | 3.33K | 0 | Aug 2012 – Aug 2026 |
| Buckeye G-3-57730 | Gaither Petroleum Corporation | Wilson Creek (Frio 10400) | Matagorda | 1 | 3.29K | 77.2K | by Jan 1993 – Feb 2009 |
| Tract 2C O-6-15019 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 4 | 3.28K | 0 | Aug 2013 – Jun 2015 |
| Tract 7 O-6-15011 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 4 | 3.1K | 0 | Aug 2013 – Mar 2016 |
| Harrell "C" O-3-20064 | Gaither Petroleum Corporation | Goose Creek | Harris | 1 | 3.04K | 0 | Feb 2001 – Sep 2012 |
| Unit E O-6-15488 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 11 | 2.93K | 0 | Apr 2016 – Aug 2026 |
| Todd G-3-176249 | Gaither Petroleum Corporation | Liverpool (10,400) | Brazoria | 1 | 2.9K | 230K | Jun 1999 – Feb 2000 |
| Tract 17 O-6-15015 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 1 | 2.89K | 0 | Aug 2013 – Jun 2015 |
| Bennett, Mills, Estate Fee O-4-1830 | Gaither Petroleum Corporation | Mills Bennett ( G Sand) | Brooks | 1 | 2.82K | 8.98K | by Jan 1993 – May 1997 |
| Unit D O-6-15487 | Gaither Petroleum Corporation | Forest Hill(sub-Clarksville 1ST) | Wood | 3 | 2.4K | 0 | Jan 2016 – Aug 2026 |
| Weaver G-3-275997 | Gaither Petroleum Corporation | Hankamer | Chambers | 1 | 2.16K | 94K | Jun 2014 – Apr 2015 |
| Unit B O-6-15473 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 16 | 2.11K | 0 | Sep 2015 – Jul 2026 |
| Unit C O-6-15486 | Gaither Petroleum Corporation | Forest Hill (Harris Sand) | Wood | 5 | 1.95K | 0 | Jan 2016 – Aug 2026 |