| University/Energen Grayburg Unit #10642-003-38471 | Libertad Operating LLC | Andrews, TXBlock 2 (Grayburg) | Shut inOil | 4,922 | Feb 18, 1999 | — | — |
| University/Energen Grayburg Unit #80142-003-03121 | Libertad Operating LLC | Andrews, TXBlock 2 (Grayburg) | PluggedOil | 5,004 | Oct 13, 1998 | — | — |
| University/Energen Grayburg Unit #10142-003-00598 | Libertad Operating LLC | Andrews, TXBlock 2 (Grayburg) | ActiveOil | 12,700 | Sep 23, 1998 | — | — |
| University #242-003-00599 | Libertad Operating LLC | Andrews, TXFasken (Wolfcamp) | ActiveOil | 12,635 | Jul 8, 1998 | — | — |
| University #342-003-00600 | Libertad Operating LLC | Andrews, TXFasken (Wolfcamp) | PluggedOil | 11,100 | Jun 17, 1998 | — | — |
| 9015 JV-P Block 9 #242-003-37067 | Libertad Operating LLC | Andrews, TXAndrews South (Wolfcamp) | PluggedOil | 12,900 | Jan 14, 1997 | — | — |
| Jones E. H. E #1RE42-165-30221 | Libertad Operating LLC | Gaines, TXBale (Clearfork) | ActiveOil | 6,558 | Aug 5, 1996 | — | — |
| Jones Estate #442-165-30099 | Libertad Operating LLC | Gaines, TXBale (Clearfork) | ActiveOil | 12,036 | Mar 18, 1996 | — | — |
| Welch SE (Spraberry) Unit #101R42-115-32791 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | ActiveOil | 7,930 | Nov 23, 1993 | — | — |
| Fasken Block -EE- a/C #2 #542-003-03641 | Libertad Operating LLC | Andrews, TXFasken (Wolfcamp) | ActiveOil | 11,120 | Feb 23, 1990 | — | — |
| University -B- #4W42-003-34992 | Libertad Operating LLC | Andrews, TXCowden North | ActiveInjection | 9,250 | Dec 5, 1989 | — | — |
| University -D- #842-003-35622 | Libertad Operating LLC | Andrews, TXCowden North | PluggedOil | 4,930 | Sep 10, 1986 | — | — |
| 7307 JV-D Webb #442-501-32986 | Libertad Operating LLC | Yoakum, TXBrahaney | ActiveOil | 5,390 | Dec 2, 1985 | — | — |
| University/Energen Grayburg Unit #704R42-003-35283 | Libertad Operating LLC | Andrews, TXBlock 2 (Grayburg) | ActiveOil | 4,880 | Nov 4, 1985 | — | — |
| Fasken/Energen Grayburg Unit #10842-003-35243 | Libertad Operating LLC | Andrews, TXBlock 2 (Grayburg) | Shut inOil | 4,906 | Oct 7, 1985 | — | — |
| Fasken/Energen Grayburg Unit #10142-003-35244 | Libertad Operating LLC | Andrews, TXBlock 2 (Grayburg) | Shut inOil | 4,900 | Oct 7, 1985 | — | — |
| 8407 JU-P University 23-B- #142-003-35075 | Libertad Operating LLC | Andrews, TXAndrews South (Wolfcamp) | ActiveOil | 9,500 | Aug 9, 1985 | — | — |
| University -D- #742-003-34939 | Libertad Operating LLC | Andrews, TXAndrews South (Wolfcamp) | ActiveOil | 9,100 | May 24, 1985 | — | — |
| Welch SE (Spraberry) Unit #101342-115-32203 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,950 | Apr 30, 1985 | — | — |
| University -D- #642-003-34905 | Libertad Operating LLC | Andrews, TXAndrews South (Wolfcamp) | ActiveOil | 9,100 | Apr 16, 1985 | — | — |
| Napper #1842-115-32189 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Apr 4, 1985 | — | — |
| Welch SE (Spraberry) Unit #50342-115-32181 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Mar 4, 1985 | — | — |
| University -D- #542-003-34667 | Libertad Operating LLC | Andrews, TXAndrews South (Wolfcamp) | PluggedOil | 9,100 | Jan 9, 1985 | — | — |
| Welch SE (Spraberry) Unit #40342-115-32115 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Oct 4, 1984 | — | — |
| University -D- #442-003-34480 | Libertad Operating LLC | Andrews, TXAndrews South (Wolfcamp) | PluggedOil | 9,100 | Sep 4, 1984 | — | — |
| Napper #442-115-31973 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,900 | Feb 23, 1984 | — | — |
| University -D- #342-003-33953 | Libertad Operating LLC | Andrews, TXCowden North | PluggedOil | 4,800 | Jan 25, 1984 | — | — |
| Sabine #4W42-135-34383 | Libertad Operating LLC | Ector, TXCowden North | PluggedOil | 4,650 | Sep 22, 1983 | — | — |
| Sabine #542-135-34324 | Libertad Operating LLC | Ector, TXCowden North | PluggedOil | 4,650 | Sep 19, 1983 | — | — |
| Welch SE (Spraberry) Unit #50242-115-31831 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Jun 27, 1983 | — | — |
| Winford #442-115-31830 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | ActiveOil | 7,850 | May 26, 1983 | — | — |
| 7814 JV-P Cran #642-135-34016 | Libertad Operating LLC | Ector, TXCowden North | ActiveOil | 4,600 | Sep 30, 1982 | — | — |
| 7814 JV-P Cran #542-135-34017 | Libertad Operating LLC | Ector, TXCowden North | PluggedOil | 4,700 | Sep 30, 1982 | — | — |
| Fasken BLK -Ed- #2D42-003-03632 | Libertad Operating LLC | Andrews, TXFasken (Wolfcamp) | ActiveInjection | 8,750 | Jul 14, 1982 | — | — |
| Welch SE (Spraberry) Unit #101142-115-31693 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Jun 18, 1982 | — | — |
| Welch SE (Spraberry) Unit #107W42-115-31471 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | ActiveInjection | 7,850 | Apr 8, 1982 | — | — |
| Winford #342-115-31645 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | ActiveOil | 7,850 | Apr 8, 1982 | — | — |
| Welch SE (Spraberry) Unit #101242-115-31678 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Mar 8, 1982 | — | — |
| Welch SE (Spraberry) Unit #1010W42-115-31636 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Mar 3, 1982 | — | — |
| Welch SE (Spraberry) Unit #10842-115-31633 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Nov 18, 1981 | — | — |
| Welch SE (Spraberry) Unit #10942-115-31629 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Nov 10, 1981 | — | — |
| Welch SE (Spraberry) Unit #30342-115-31475 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Mar 9, 1981 | — | — |
| Welch SE (Spraberry) Unit #205W42-115-31472 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Jan 21, 1981 | — | — |
| Napper #142-115-31411 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | ActiveOil | 7,850 | Sep 30, 1980 | — | — |
| Welch SE (Spraberry) Unit #10642-115-31361 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | ActiveOil | 7,860 | Feb 22, 1980 | — | — |
| Welch SE (Spraberry) Unit #1WS42-115-31325 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 2,000 | Oct 26, 1979 | — | — |
| Welch SE (Spraberry) Unit #402W42-115-31326 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Oct 26, 1979 | — | — |
| Welch SE (Spraberry) Unit #105W42-115-31327 | Libertad Operating LLC | Dawson, TXWelch SE. (Spraberry) | PluggedOil | 7,850 | Oct 26, 1979 | — | — |
| 7814 JV-P Cran #442-135-33139 | Libertad Operating LLC | Ector, TXCowden North | ActiveOil | 4,700 | Feb 23, 1979 | — | — |
| 7814 JV-P Cran #3WI42-135-33131 | Libertad Operating LLC | Ector, TXCowden North | PluggedOil | 4,700 | Feb 16, 1979 | — | — |