| Vista Ridge #1HZ42-041-31527 | Northfield Enterprises Inc. only | BrazosGiddings (Buda) | PluggedOil | 10,277 | Jun 9, 2016 | 7 | Mar 2020 |
| Varisco A. Estate a #542-041-31350 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | Shut inOil | 7,870 | Aug 30, 2012 | 3 | Mar 2019 |
| Patranella Trust #1HHZ42-041-30763 | Centex Energy LLC only | BrazosGiddings (Austin Chalk-3) | PluggedOil | 8,750 | Feb 27, 2012 | 6 | Jun 2013 |
| Megan #1HHZ42-041-31343 | Wildfire Energy Operating LLC only | BrazosGiddings (Buda) | ActiveOil | 11,129 | Sep 19, 2008 | 4 | Mar 2026 |
| Vince Court Unit #142-041-31198 | Wildfire Energy Operating LLC only | BrazosCooks Point (Woodbine) | Shut inOil | 7,954 | Sep 14, 2007 | 3 | Dec 2019 |
| Clearlake Properties Inc. #1HZ42-041-31728 | La Campana Inc. only | BrazosKurten (Austin Chalk) | Shut inOil | 9,758 | Sep 11, 2006 | 3 | Jul 2006 |
| Persimmon Creek D #4HZ42-395-30367 | Northfield Enterprises Inc. only | RobertsonGiddings (Buda) | ActiveOil | 11,210 | Jul 19, 2005 | 4 | Apr 2026 |
| Spring Valley Ranch C #3HZ42-395-30387 | Northfield Enterprises Inc. only | RobertsonGiddings (Austin Chalk-3) | ActiveOil | 8,685 | Oct 2, 2002 | 5 | Apr 2026 |
| Hoppess #1HHZ42-395-30263 | Newton Corp. The only | RobertsonHilltop Resort (Austin Chalk) | PluggedOil | 13,900 | Nov 17, 1998 | 6 | Mar 2003 |
| Angonia #142-041-31373 | Delaware Ecco Petroleum Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 9,000 | Apr 15, 1996 | 2 | Jul 1997 |
| Pate O. L. #142-041-30789 | Pierce Operating Company L.L.C. only | BrazosKurten (Woodbine) | PluggedOil | 8,843 | Mar 8, 1995 | 2 | Nov 2007 |
| Mahoney-Shannon #142-041-30790 | Texas State Oil Co. only | BrazosKurten (Austin Chalk) | PluggedOil | 9,300 | Dec 27, 1993 | 5 | Apr 1996 |
| Shwu #1 #142-041-31383 | Bexco Operating Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 9,500 | Sep 10, 1993 | 3 | Jul 1993 |
| Lang-Odom Unit #1HZ42-041-31751 | CML Exploration LLC only | BrazosKurten (Austin Chalk) | ActiveOil | 12,908 | Jun 18, 1993 | 1 | Apr 2026 |
| Noah Unit #1HZ42-041-30846 | Kouatli Aiman M. only | BrazosGiddings (Austin Chalk-3) | Shut inOil | 11,892 | May 11, 1993 | 2 | Feb 2017 |
| Jones-Lang Unit #1HZ42-041-31697 | CML Exploration LLC only | BrazosKurten (Austin Chalk) | ActiveOil | 11,987 | Nov 30, 1992 | 1 | Apr 2026 |
| Garner-Humphries Unit 1 #1HZ42-041-31684 | Ows Energy Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 13,500 | Oct 28, 1992 | 1 | Jan 1995 |
| Urso Unit II #1HZ42-041-31674 | Cody Energy Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 12,500 | Sep 28, 1992 | 1 | Jan 1994 |
| Tobias a #142-041-31356 | R & C Petroleum Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 10,500 | Sep 24, 1992 | 2 | — |
| Holland Unit 1 #1HZ42-041-30439 | Patterson Petroleum LP only | BrazosKurten (Woodbine) | PluggedOil | 9,500 | Jul 2, 1992 | 4 | Mar 2004 |
| Tobias Unit #1BHZ42-041-31387 | Rathburn Land & Devel Inc. only | BrazosGiddings (Austin Chalk-3) | PluggedOil | 10,500 | Jun 16, 1992 | 2 | Nov 1994 |
| Humphries Unit V #1HZ42-041-30534 | Ows Energy Inc. only | BrazosKurten (Buda) | PluggedOil | 10,185 | Jun 2, 1992 | 4 | Jan 1996 |
| Dansby #1HHZ42-041-30650 | Baker Brent Oil & Gas Inc. only | BrazosGiddings (Austin Chalk-3) | PluggedOil | 12,500 | Apr 24, 1992 | 3 | Jun 2001 |
| Holubec Unit 1 #1HZ42-041-30499 | Ows Energy Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 9,000 | Apr 8, 1992 | 2 | Dec 1994 |
| Nash William #142-041-30696 | Torch Operating Company only | BrazosKurten (Austin Chalk) | PluggedOil | 9,850 | Apr 3, 1992 | 2 | Jan 1998 |
| McKinney Unit I #1HZ42-041-30478 | McDaniel Company Inc. The only | BrazosKurten (Austin Chalk) | PluggedOil | 9,800 | Nov 22, 1991 | 4 | Jun 1995 |
| Shwu #10 #142-041-31367 | Bexco Operating Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 10,500 | Sep 25, 1991 | 3 | Jun 1993 |
| Varisco Antonio #142-041-31073 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | ActiveOil | 7,966 | Jul 18, 1991 | 2 | Mar 2026 |
| Beulah Yeagar Unit I #142-041-30518 | Torch Operating Company only | BrazosKurten (Austin Chalk) | PluggedOil | 8,975 | Jul 10, 1991 | 2 | May 1994 |
| Shwu #11 #1142-041-31379 | Bexco Operating Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 10,500 | Jul 5, 1991 | 2 | Mar 1993 |
| Luza Unit #142-041-31163 | Lonestar Pluggers Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 8,300 | May 21, 1991 | 2 | Jun 1999 |
| Dansby E. M. a #342-041-30990 | Union Pacific Resources Company only | BrazosKurten (Austin Chalk) | PluggedOil | 9,000 | Apr 15, 1991 | 2 | Feb 2025 |
| Lampo Johnny #142-041-31243 | Douglas Petroleum Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 10,500 | Mar 13, 1991 | 2 | May 1997 |
| Nigliazzo #142-395-30335 | Williams Clayton Energy Inc. only | RobertsonKurten (Austin Chalk) | PluggedOil | 8,000 | Feb 8, 1991 | 2 | Feb 2006 |
| Newberry M. S. #642-041-31340 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | Shut inOil | 7,550 | Sep 14, 1990 | 2 | Apr 2020 |
| Newberry M.S. B #442-041-31335 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | Shut inOil | 7,489 | Sep 7, 1990 | 2 | Jul 2003 |
| Newberry M.S. D #842-041-31345 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | Shut inOil | 7,575 | Sep 7, 1990 | 2 | Apr 2020 |
| Newberry M.S. E #942-041-31347 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | Shut inOil | 7,501 | Sep 7, 1990 | 2 | Oct 2019 |
| Flentge W.O. #142-051-32892 | W.L. Ranch Inc. only | BurlesonKurten (Austin Chalk) | PluggedOil | 8,000 | Aug 7, 1990 | 3 | Jan 2008 |
| Newberry Milton S. -C- #742-041-31341 | Pioneer Natural Res. USA Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 8,000 | Apr 5, 1990 | 2 | Sep 1994 |
| See J.W. et al #242-051-32986 | Anadarko E&P Company LP only | BurlesonKurten (Austin Chalk) | PluggedOil | 7,500 | Mar 29, 1990 | 2 | Apr 2002 |
| Newberry Milton S. B #342-041-31329 | Anadarko E&P Onshore LLC only | BrazosKurten (Austin Chalk) | PluggedOil | 8,000 | Dec 21, 1989 | 2 | Sep 2003 |
| Newberry Milton S. #142-041-31262 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | Shut inOil | 7,750 | Dec 4, 1989 | 2 | Jan 2022 |
| Varisco A. Estate #442-041-31351 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | Shut inOil | 7,929 | Dec 1, 1989 | 2 | May 2019 |
| Varisco Antoni #242-041-31127 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | ActiveOil | 7,870 | Sep 5, 1989 | 2 | Mar 2026 |
| Newberry Milton S. -a- #242-041-31334 | Wildfire Energy Operating LLC only | BrazosKurten (Austin Chalk) | ActiveOil | 7,700 | Sep 5, 1989 | 2 | Mar 2026 |
| Mancuso C.V. #142-041-30957 | Union Pacific Resources Company only | BrazosKurten (Austin Chalk) | PluggedOil | 8,500 | Jun 13, 1989 | 2 | — |
| Bowman F. Unit 1 #142-041-30692 | Bexco Operating Inc. only | BrazosKurten (Austin Chalk) | PluggedOil | 11,000 | Apr 19, 1989 | 2 | May 1993 |
| Morrison #142-395-30312 | Union Pacific Resources Company only | RobertsonKurten (Austin Chalk) | PluggedOil | 8,000 | Mar 1, 1989 | 2 | — |
| See J.W. Etal Unit #1HZ42-051-32899 | Anadarko E&P Company LP only | BurlesonKurten (Austin Chalk) | PluggedOil | 8,500 | Sep 13, 1988 | 2 | Oct 2001 |