| Colby, E.H. et Al G-3-300610 | Manvel (Oligocene) | Brazoria | 1 | 102 | 97 | Sep 2025 – Feb 2026 |
| Belcher, W. T. "B" G-3-300679 | Manvel (F.B. I, Oligocene) | Brazoria | 1 | 44 | 49 | Sep 2025 – Feb 2026 |
| Lemmer, J. G-3-288018 | Manvel (F.B. II, Oligocene) | Brazoria | 1 | 11 | 50.7K | Jul 2019 – Dec 2022 |
| Lemmer, J. G-3-288484 | Manvel (F.B. II, Oligocene) | Brazoria | 1 | 0 | 19.3K | Jul 2019 – Dec 2022 |
| Lewis, J. W. "A" G-3-229101 | Conroe (Cons. U) | Montgomery | 1 | 0 | 315K | May 2007 – Aug 2019 |
| Conroe Field Unit G-3-279509 | Conroe | Montgomery | 1 | 9.77K | 219K | Apr 2015 – Jul 2019 |
| Conroe Field Unit G-3-167998 | Conroe | Montgomery | 1 | 9.38K | 81K | Apr 1998 – Jul 2019 |
| Lockwood & Sharp -B- G-3-200361 | Thompson | Fort Bend | 1 | 7.4K | 516K | Mar 2004 – Jul 2015 |
| Belcher, W. T. "A" G-3-160349 | Manvel (FB-III, Oligocene) | Brazoria | 1 | 0 | 124K | Nov 1996 – Jun 2015 |
| Elving, Fred -A- G-3-160843 | Manvel (F.B. II, Oligocene) | Brazoria | 1 | 3.64K | 278K | Sep 1996 – Dec 2013 |
| Lockwood & Sharp -A- G-3-263274 | Thompson | Fort Bend | 1 | 97 | 6.37K | Mar 2011 – Sep 2011 |
| Conroe Field Unit G-3-172148 | Conroe | Montgomery | 1 | 9.66K | 987K | Feb 1999 – Aug 2011 |
| White, J. T. Estate "B" G-3-207046 | Willow Slough, N. (W. Fault F-1) | Chambers | 1 | 3.14K | 841K | Feb 2005 – Apr 2011 |
| Colby-Claypool G-3-198069 | Elwood (Discorbis) | Chambers | 1 | 2.81K | 2.59M | Sep 2003 – Apr 2011 |
| White, J. T. Estate "B" G-3-204724 | Willow Slough, N. (W. Fault F-1) | Chambers | 1 | 2.4K | 780K | Dec 2004 – Apr 2011 |
| Olcott GU 2 G-3-7562 | Olcott (Miocene 3400) | Harris | 1 | 406 | 1.16M | Jan 1993 – Apr 2011 |
| Olcott Gas Unit 4 G-3-174646 | Olcott (Miocene 2700) | Harris | 1 | 0 | 1.04M | Sep 1999 – Apr 2011 |
| South Gillock Unit G-3-256969 | Gillock, South | Galveston | 1 | 385 | 4.18K | Mar 2010 – Dec 2010 |
| Jackson, Felix et Al G-3-254210 | Oyster Bayou (Frio 2) | Chambers | 1 | 53 | 28.4K | Dec 2009 – Aug 2010 |
| Middleton, Archie G-3-161451 | Oyster Bayou | Chambers | 1 | 36.1K | 1.58M | Dec 1996 – Jun 2010 |
| Jackson, Felix et Al G-3-126372 | Oyster Bayou (Frio 2) | Chambers | 1 | 64 | 1.09M | Jan 1993 – Jun 2010 |
| Jackson, Felix et Al G-3-180994 | Oyster Bayou (FB-2, Frio 1) | Chambers | 1 | 4 | 92.8K | Feb 2001 – Jun 2010 |
| Jackson, Felix et Al G-3-210203 | Oyster Bayou, S. (Frio 8400) | Chambers | 1 | 9.07K | 566K | Jul 2005 – May 2010 |
| Conroe Field Unit G-3-165785 | Conroe | Montgomery | 1 | 5.28K | 653K | Nov 1997 – May 2010 |
| Jackson, Felix et Al G-3-249841 | Oyster Bayou (Frio 2) | Chambers | 1 | 39 | 12.5K | May 2009 – May 2010 |
| Conroe Field Unit G-3-165356 | Conroe | Montgomery | 1 | 5.39K | 1.17M | Sep 1997 – Apr 2010 |
| Conroe Field Unit G-3-166390 | Conroe | Montgomery | 1 | 4.41K | 1.35M | Jan 1998 – Mar 2010 |
| Conroe Field Unit G-3-169153 | Conroe | Montgomery | 1 | 981 | 176K | Jun 1998 – Mar 2010 |
| Conroe Field Unit G-3-167671 | Conroe | Montgomery | 1 | 4.32K | 104K | Apr 1998 – Feb 2010 |
| Conroe Field Unit G-3-158064 | Conroe | Montgomery | 1 | 2.61K | 1.88M | Mar 1996 – Dec 2009 |
| Jackson, Felix et Al G-3-244976 | Oyster Bayou (FB-2, Frio 1) | Chambers | 1 | 400 | 98.6K | Jan 2009 – Dec 2009 |
| White, J. T. G-3-236346 | Willow Slough (Nod. B-1) | Chambers | 1 | 1.98K | 50.2K | May 2008 – Sep 2008 |
| Maccarthy, Janet G-3-199113 | Willow Slough, N. (10770 Sand) | Chambers | 1 | 254K | 2.42M | Nov 2003 – May 2008 |
| Conroe Field Unit G-3-168338 | Conroe | Montgomery | 1 | 1.33K | 324K | May 1998 – May 2008 |
| Jackson, Felix et Al G-3-214751 | Oyster Bayou (Seabreeze) | Chambers | 1 | 26.4K | 312K | Dec 2005 – Apr 2008 |
| White, J. T. G-3-79148 | Elwood (Vicksburg) | Chambers | 1 | 281K | 20.9M | Jan 1993 – Mar 2008 |
| Belcher, W.T. "A" G-3-109091 | Manvel (Miocene) | Brazoria | 1 | 0 | 224K | Jan 1993 – Nov 2007 |
| Trwd G-13-255839 | Newark, East (Barnett Shale) | Wise | 1 | 0 | 56.5K | Jun 2007 – Oct 2007 |
| Lockwood & Sharp "B" G-3-161639 | Thompson | Fort Bend | 1 | 100 | 218K | Dec 1996 – Sep 2007 |
| Trwd G-13-255837 | Newark, East (Barnett Shale) | Wise | 1 | 0 | 6.69K | Jun 2007 – Aug 2007 |
| Dean G-13-231586 | Newark, East (Barnett Shale) | Parker | 1 | 0 | 71.2K | Jun 2007 – Jun 2007 |
| George, A. P. G-3-172792 | Thompson | Fort Bend | 1 | 0 | 571K | Feb 1999 – Jan 2007 |
| Exxonmobil West Fee "B" a/C 2 G-3-194624 | Webster (Marginulina) | Harris | 1 | 756 | 49.7K | Jun 2003 – Dec 2006 |
| Colby-Claypool G-3-217599 | Elwood (Vicksburg) | Chambers | 1 | 65 | 23.2K | May 2006 – Nov 2006 |
| West Production Co. a/C 2 G-3-185841 | Webster (Marginulina) | Harris | 1 | 116 | 561K | Sep 2001 – Oct 2006 |
| Lockwood & Sharp -B- G-3-222127 | Thompson | Fort Bend | 1 | 0 | 9.54K | Aug 2006 – Oct 2006 |
| Smelley G-13-212967 | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 10.2K | Jul 2005 – May 2006 |
| Lockwood & Sharp -A- G-3-205266 | Thompson | Fort Bend | 1 | 0 | 96.5K | Oct 2004 – Apr 2006 |
| Dean G-13-192071 | Newark, East (Barnett Shale) | Parker | 1 | 0 | 124K | Jul 2002 – Feb 2006 |
| Lockwood, H. P. G-3-200966 | Thompson | Fort Bend | 1 | 0 | 493K | Sep 2003 – Dec 2005 |