| Smith Unit G-2-147329 | Lomak Production Company only | Bloomington (6000) | Victoria | 1 | 4.15K | 61.7K | Nov 1993 – Aug 1994 |
| Robinson-Smith Unit O-8-11783 | Sojourner Drilling Corporation only | Box, N (Palo Pinto) | Taylor | 1 | 4.04K | 22 | by Jan 1993 – Apr 1997 |
| Smith Unit G-13-264571 | McCutchin Petroleum Corporation only | Newark, East (Barnett Shale) | Wise | 1 | 3.86K | 2.38M | Jun 2009 – Aug 2026 |
| Taylor-Smith Unit O-10-36559 | Gruy Petroleum Management Co. only | Keystone (San Andres) | Winkler | 1 | 3.75K | 10.3K | Dec 2000 – Dec 2001 |
| J. E. Smith Unit G-13-265807 | McCutchin Petroleum Corporation only | Newark, East (Barnett Shale) | Wise | 1 | 3.67K | 310K | Jul 2011 – Feb 2020 |
| Borders-Smith Unit #3 G-6-68657 | TGNR East Texas LLC only | Carthage (Cotton Valley) | Panola | 1 | 3.62K | 1.23M | by Jan 1993 – Aug 2026 |
| Smith Unit G-13-264295 | McCutchin Petroleum Corporation only | Newark, East (Barnett Shale) | Wise | 1 | 3.38K | 1.1M | Jun 2009 – Aug 2026 |
| Borders-Smith Unit 3 G-6-130724 | Anadarko E&P Onshore LLC only | Carthage (Cotton Valley) | Panola | 1 | 3.23K | 415K | by Jan 1993 – Jan 2012 |
| Richard Smith Unit 1 O-3-16026 | McDaniel Company, Inc., The only | Kurten (Buda) | Brazos | 1 | 2.42K | 2.04K | by Jan 1993 – Jan 1997 |
| Smith Unit O-14-8221 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Ochiltree | 1 | 1.73K | 88.7K | May 2011 – Aug 2016 |
| Sidney Smith Unit O-3-26178 | Enco Resources Inc. only | Liberty, South | Liberty | 2 | 1.64K | 45 | Sep 2013 – Jan 2024 |
| Sealy & Smith Unit G-10-44095 | Anadarko Petroleum Corporation only | Halley (Devonian) | Winkler | 1 | 1.51K | 895K | by Jan 1993 – Nov 2000 |
| Winnie Smith Unit G-13-232913 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 1.49K | 363K | Oct 2007 – Jul 2026 |
| Myrl Smith Unit G-13-268758 | McCutchin Petroleum Corporation only | Newark, East (Barnett Shale) | Wise | 1 | 1.29K | 56.9K | Nov 2010 – Oct 2011 |
| Jordan-Smith Unit G-13-268617 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.08K | 321K | Sep 2012 – Apr 2018 |
| Sealy & Smith Unit G-10-44094 | Basin Oil & Gas Operating, LLC only | Halley (Devonian) | Winkler | 1 | 901 | 1.06M | by Jan 1993 – Oct 2003 |
| Sealy & Smith Unit G-10-89224 | Anadarko Petroleum Corporation only | Halley (Devonian) | Winkler | 1 | 875 | 313K | by Jan 1993 – Feb 1999 |
| Smith Unit G-13-195446 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 869 | 136K | Jan 2004 – Aug 2011 |
| Jordan-Smith Unit G-13-268591 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 814 | 131K | Sep 2012 – Aug 2018 |
| Hazel-Smith Unit G-13-248185 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 738 | 219K | Oct 2008 – Jan 2014 |
| Jordan-Smith Unit G-13-268371 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 693 | 151K | Sep 2012 – Aug 2018 |
| Sealy & Smith Unit G-10-44093 | Basin Oil & Gas Operating, LLC only | Halley (Devonian) | Winkler | 1 | 636 | 1.29M | by Jan 1993 – May 2004 |
| Smith Unit G-2-166559 | Houston Hydrocarbons, Inc. (A) only | Bloomington (6000) | Victoria | 1 | 592 | 10.9K | Sep 1997 – Nov 1997 |
| Clyde Smith Unit G-13-294534 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 576 | 103K | Apr 2023 – Aug 2026 |
| Hazel-Smith Unit G-13-244802 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 426 | 250K | Oct 2008 – Feb 2013 |
| Sharp-Smith Unit G-6-207782 | TGNR Panola LLC only | Carthage (Cotton Valley) | Panola | 1 | 298 | 381K | Jan 2005 – Aug 2026 |
| Smith Unit G-13-204292 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 178 | 419K | Sep 2004 – Aug 2009 |
| Smith Unit G-2-141308 | Gillring Oil Company only | Bloomington (5950) | Victoria | 1 | 111 | 20.2K | by Jan 1993 – Jun 1993 |
| Sharp-Smith Unit G-6-201966 | TGNR Panola LLC only | Carthage (Cotton Valley) | Panola | 1 | 99 | 812K | Apr 2004 – Aug 2026 |
| Sharp-Smith Unit G-6-215821 | TGNR Panola LLC only | Carthage (Cotton Valley) | Panola | 1 | 26 | 1.02M | Oct 2005 – Aug 2026 |
| Sharp-Smith Unit G-6-230036 | TGNR Panola LLC only | Carthage (Cotton Valley) | Panola | 1 | 8 | 437K | Feb 2006 – Aug 2026 |
| Smith Unit G-14-281843 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Ochiltree | 1 | 7 | 16.9K | Sep 2016 – Aug 2026 |
| Sharp-Smith Unit G-6-160082 | TGNR Panola LLC only | Carthage (Cotton Valley) | Panola | 1 | 4 | 1.32M | Aug 1996 – Aug 2023 |
| Gery Smith Unit G-13-259095 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 1 | 2M | Apr 2011 – Aug 2026 |
| Gery Smith Unit G-13-259096 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 1 | 1.86M | Apr 2011 – Aug 2026 |
| Gery Smith Unit G-13-257401 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 1 | 910K | Sep 2010 – Jan 2025 |
| Gery Smith Unit G-13-241501 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 1 | 2.5M | May 2008 – Aug 2026 |
| Sealy & Smith Unit O-10-14180 | Basin Oil & Gas Operating, LLC only | Halley (Montoya) | Winkler | 2 | 0 | 0 | — |
| Gery Smith Unit G-13-259094 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 1.61M | Apr 2011 – Aug 2026 |
| Gery Smith Unit G-13-255517 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 1.13M | Mar 2010 – Aug 2026 |
| Williams Smith Unit G-13-253709 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 3.61M | Feb 2010 – Aug 2026 |
| Gery Smith Unit G-13-252338 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 1.26M | May 2009 – Aug 2026 |
| Whorton-Smith Unit O-8-17381 | Baber, Bill M. only | Long (Ellenburger) | Nolan | 2 | 0 | 0 | — |
| Gery Smith Unit G-13-241201 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 3.68M | Jul 2007 – Aug 2026 |
| Williams Smith Unit G-13-237715 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 3.63M | Aug 2007 – Aug 2026 |
| Smith Unit G-14-282045 | Mewbourne Oil Company only | Buler, North (Morrow, Upper) | Ochiltree | 1 | 0 | 0 | — |
| Smith Unit G-13-225982 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 2.53M | Apr 2006 – Aug 2026 |
| Williams Smith Unit G-13-252355 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 2.26M | Feb 2010 – Aug 2026 |
| Smith Unit G-13-253959 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 887K | Feb 2010 – Mar 2020 |
| Williams Smith Unit G-13-258341 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 964K | Sep 2010 – Aug 2026 |