| Santa FE Ranch G-4-185707 | Wagner Oil Company only | Tom East (13,800) | Brooks | 1 | 399K | 27.3M | Sep 2001 – Aug 2026 |
| Santa FE Ranch G-4-185501 | Wagner Oil Company only | Tom East (13,800) | Brooks | 1 | 360K | 21.5M | Jul 2001 – Aug 2026 |
| Santa FE Ranch G-4-183767 | Trinity River Energy Oper, LLC only | Tom East (13,800) | Brooks | 1 | 331K | 22.4M | Jun 2001 – Dec 2011 |
| Santa FE Ranch G-4-187275 | Wagner Oil Company only | Tom East (13,800) | Brooks | 1 | 254K | 18.9M | Dec 2001 – Aug 2026 |
| Santa FE Ranch G-4-187145 | Wagner Oil Company only | Tom East (13,800) | Brooks | 1 | 168K | 12.5M | Dec 2001 – Aug 2026 |
| Santa FE Ranch G-4-186882 | Wagner Oil Company only | Tom East (13,800) | Brooks | 1 | 167K | 12.6M | Nov 2001 – Aug 2026 |
| Santa FE Ranch G-4-187663 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 155K | 6.85M | Feb 2002 – Jul 2018 |
| Santa FE Ranch G-4-188336 | Trinity River Energy Oper, LLC only | Tom East (13,800) | Brooks | 1 | 130K | 8.86M | Feb 2002 – May 2009 |
| Santa FE Ranch G-4-189845 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 129K | 8.3M | May 2002 – Aug 2026 |
| Santa FE Ranch G-4-194922 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 122K | 6.07M | Dec 2002 – Aug 2026 |
| Santa FE Ranch G-4-188728 | Wagner Oil Company only | Tom East (13,800) | Brooks | 1 | 120K | 10.9M | Feb 2002 – Aug 2026 |
| Santa FE Ranch G-4-185874 | Legend Natural Gas IV, LP only | Tom East (13,800) | Brooks | 1 | 118K | 5.89M | Sep 2001 – Jun 2008 |
| Santa FE Ranch G-4-193814 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 112K | 17.3M | Aug 2002 – Aug 2026 |
| Santa FE Ranch G-4-206601 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 101K | 6.17M | Nov 2004 – May 2025 |
| Santa FE Ranch G-4-189976 | Legend Natural Gas IV, LP only | Tom East (13,800) | Brooks | 1 | 96.6K | 5.58M | Apr 2002 – May 2008 |
| Santa FE Ranch G-4-188724 | Wagner Oil Company only | Tom East (13,800) | Brooks | 1 | 95.9K | 2.91M | Apr 2002 – Aug 2026 |
| Santa FE Ranch G-4-188650 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 81.7K | 4.02M | Mar 2002 – Aug 2026 |
| Santa FE Ranch G-4-189418 | Trinity River Energy Oper, LLC only | Tom East (13,800) | Brooks | 1 | 79.7K | 5.88M | Jan 2002 – Aug 2010 |
| Santa FE Ranch G-4-190658 | Trinity River Energy Oper, LLC only | Tom East (13,800) | Brooks | 1 | 66.9K | 3.96M | Apr 2002 – Mar 2014 |
| Santa FE Ranch G-4-189378 | Wagner Oil Company only | Tom East (13,800) | Brooks | 1 | 66.1K | 6.04M | Mar 2002 – Aug 2026 |
| Santa FE Ranch G-4-190028 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 64.9K | 3.43M | Jun 2002 – Oct 2022 |
| Santa FE Ranch G-4-188472 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 62.6K | 2.39M | Mar 2002 – Aug 2026 |
| Santa FE Ranch G-4-190185 | Smith Production Inc. only | Tom East (13,800) | Brooks | 1 | 57.9K | 3.17M | May 2002 – Mar 2008 |
| Santa FE Ranch G-4-190121 | Wagner Oil Company only | Tom East (14,900) | Brooks | 1 | 49.4K | 3.78M | Aug 2002 – Aug 2026 |
| Santa FE Ranch G-4-189385 | Legend Natural Gas IV, LP only | Tom East (13,800) | Brooks | 1 | 45.8K | 3.94M | Jan 2002 – Jun 2007 |
| Santa FE Ranch G-4-190465 | Trinity River Energy Oper, LLC only | Tom East (13,800) | Brooks | 1 | 40.8K | 1.61M | Jul 2002 – Dec 2005 |
| Santa FE Ranch G-4-196615 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 38.3K | 5.02M | Jan 2003 – Aug 2026 |
| Santa FE Ranch G-4-192836 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 34.2K | 3.35M | Nov 2002 – Aug 2008 |
| Santa FE Ranch G-4-187144 | Trinity River Energy Oper, LLC only | Tom East (13,800) | Brooks | 1 | 32.9K | 2.29M | Dec 2001 – May 2011 |
| Santa FE Ranch G-4-192325 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 28.1K | 13.2M | Oct 2002 – Jun 2017 |
| Santa FE Ranch Mula Pasture G-4-200372 | Hughes, Dan A. Company, L.P. only | Stillman (Deep Cons.) | Kenedy | 1 | 27.8K | 8.32M | Mar 2004 – Aug 2026 |
| Santa FE Ranch Mula Pasture G-4-286736 | Hughes, Dan A. Company, L.P. only | Stillman (Deep Cons.) | Kenedy | 1 | 27.7K | 13.5M | Feb 2019 – Aug 2026 |
| Santa FE Ranch G-4-195169 | Wagner Oil Company only | Tom East (14,100) | Brooks | 1 | 26.5K | 2.25M | Apr 2003 – Aug 2026 |
| Santa FE Ranch Julian Pasture G-4-252510 | Hughes, Dan A. Company, L.P. only | Ball Ranch (Vicksburg Cons.) | Kenedy | 1 | 25.6K | 1.7M | Aug 2009 – Nov 2023 |
| Santa FE Ranch G-4-194536 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 25.3K | 13.9M | Nov 2002 – Jul 2020 |
| Santa FE Ranch G-4-263084 | Hughes, Dan A. Company, L.P. only | Tom East (N-68) | Brooks | 1 | 15.6K | 1.01M | Sep 2011 – Mar 2023 |
| Santa FE Ranch "A" G-4-193120 | Trinity River Energy Oper, LLC only | Evelyn East (14,700) | Brooks | 1 | 14.6K | 1.54M | Oct 2002 – Feb 2015 |
| Santa FE Ranch G-4-190031 | Exxon Mobil Corporation only | Tom East (13,800) | Brooks | 1 | 14.5K | 794K | Jun 2002 – Jul 2013 |
| Santa FE Ranch G-4-196214 | Exxon Mobil Corporation only | Tom East (13,800) | Brooks | 1 | 14.4K | 10.8M | Dec 2002 – Feb 2009 |
| Santa FE Ranch Mula Pasture G-4-291590 | Hughes, Dan A. Company, L.P. only | Stillman (Deep Cons.) | Kenedy | 1 | 14.1K | 3.78M | Jul 2021 – Aug 2026 |
| Santa FE Ranch G-4-190284 | Wagner Oil Company only | Tom East (13,800) | Brooks | 1 | 14K | 578K | Jun 2002 – Jul 2002 |
| Santa FE Ranch G-4-287104 | Hughes, Dan A. Company, L.P. only | Santa FE, S. (Massive 2ND) | Brooks | 1 | 13.1K | 1.15M | Jul 2019 – Aug 2026 |
| Santa FE Ranch G-4-146675 | Shell Western E&P only | Santa FE, East (Massive 1ST 1) | Brooks | 1 | 12.3K | 2.79M | Sep 1993 – May 2013 |
| Santa FE Ranch G-4-196020 | Wagner Oil Company only | Evelyn East (14,700) | Brooks | 1 | 10.4K | 1.58M | Mar 2003 – Mar 2026 |
| Santa FE Ranch G-4-201230 | Exxon Mobil Corporation only | Tom East (13,800) | Brooks | 1 | 9.63K | 4.41M | Mar 2004 – Aug 2011 |
| Santa FE Ranch G-4-199607 | Hughes, Dan A. Company, L.P. only | Tom East (13,800) | Brooks | 1 | 9.32K | 5.74M | Jan 2004 – May 2007 |
| Santa FE Ranch Mula Pasture G-4-282022 | Hughes, Dan A. Company, L.P. only | Stillman (Deep Cons.) | Kenedy | 1 | 8.9K | 3.08M | Jan 2017 – Aug 2026 |
| Santa FE Ranch "A" G-4-193308 | Smith Production Inc. only | Evelyn East (14,700) | Brooks | 1 | 8.61K | 1.38M | Oct 2002 – Nov 2006 |
| Santa FE Ranch "B" G-4-217177 | Hughes, Dan A. Company, L.P. only | Santa FE (Zone 4) | Brooks | 1 | 8.38K | 1.99M | May 2005 – Jun 2017 |
| Santa FE Ranch "B" G-4-210427 | Hughes, Dan A. Company, L.P. only | Santa FE, South (Zone 3) | Brooks | 1 | 7.72K | 1.43M | May 2005 – Dec 2024 |