| York W. A. 13 #1742-467-30880 | Union Oil Company of California | Van Zandt, TXVan (Shallow) | PluggedOil | 2,405 | Mar 30, 2005 | — | — |
| York W. A. 13 #1442-467-30857 | Union Oil Company of California | Van Zandt, TXVan (Shallow) | PluggedOil | 2,900 | Mar 28, 2005 | — | — |
| Shivers J. R. 12 #842-467-30651 | Union Oil Company of California | Van Zandt, TXVan (Wolfe City) | PluggedOil | 2,790 | Mar 25, 2005 | — | — |
| Brawner L. M. 10 #3 U42-467-00434 | Union Oil Company of California | Van Zandt, TXVan (Sub-Clarksville) | PluggedGas | 2,964 | May 14, 2004 | — | — |
| White R. V. 502 #242-467-00545 | Union Oil Company of California | Van Zandt, TXVan | PluggedOil | 2,983 | Jan 12, 2004 | — | — |
| Peters R. H. 29 #642-467-00183 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,972 | Jan 9, 2004 | — | — |
| Smith 104 #342-467-00496 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,972 | Sep 11, 2003 | — | — |
| White R. V. 500 #342-467-00192 | Union Oil Company of California | Van Zandt, TXVan (Shallow) | PluggedOil | 2,941 | Nov 5, 2002 | — | — |
| Murphree J. J. 31 #142-467-00541 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,500 | Sep 27, 2002 | — | — |
| Smith L. A. 103 #242-467-00502 | Union Oil Company of California | Van Zandt, TXVan (Shallow) | PluggedOil | 3,015 | Aug 12, 2002 | — | — |
| Tunnell I. P. 300 #1042-467-30716 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 3,110 | Aug 12, 2002 | — | — |
| Smith L. A. 103 #842-467-30690 | Union Oil Company of California | Van Zandt, TXVan (Shallow) | PluggedOil | 2,380 | Apr 8, 2002 | — | — |
| Gilbert H. C. 43 #342-467-00976 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,972 | Mar 5, 2002 | — | — |
| White R. V. 502 #742-467-30683 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,430 | Jan 25, 2002 | — | — |
| Peters R. H. 29 #342-467-00187 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,900 | Aug 14, 2001 | — | — |
| Leonard J. H. 30 #542-467-00528 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,900 | Aug 14, 2001 | — | — |
| Brawner -10- #2642-467-31039 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 3,200 | Jun 27, 2001 | — | — |
| Tunnell A.R. 59 #16A42-467-30587 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 3,019 | May 8, 2001 | — | — |
| Gilbert H. C. 43 #642-467-00975 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 3,021 | Apr 3, 2001 | — | — |
| Cook W. H. 42 #242-467-00982 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,200 | Feb 23, 2001 | — | — |
| Cook W. H. 42 #942-467-30688 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,515 | Feb 23, 2001 | — | — |
| Gilbert H. C. 43 #1042-467-30739 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 3,270 | Feb 23, 2001 | — | — |
| Gilbert H. C. 43 #942-467-30705 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,470 | Jan 26, 2001 | — | — |
| Gilbert H. C. 43 #442-467-00973 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,958 | Jan 16, 2001 | — | — |
| Cook W. H. 42 #1042-467-30747 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 3,310 | Jan 16, 2001 | — | — |
| Gilbert H. C. 43 #1142-467-30771 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,450 | Jan 16, 2001 | — | — |
| Tunnell I. P. 300 #1542-467-30830 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,900 | Jan 9, 2001 | — | — |
| Gilbert H. C. 43 #1242-467-30970 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,500 | Jun 21, 2000 | — | — |
| Thompson J. T. 49 #1442-467-30812 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,470 | Jun 1, 2000 | — | — |
| Wells R. L. 47 #2742-467-30935 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,500 | May 31, 2000 | — | — |
| Fowler E. L. 302 #1642-467-30686 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,502 | May 26, 2000 | — | — |
| Bracken J. A. 35 #1942-467-30957 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,450 | May 18, 2000 | — | — |
| Tunnell I. P. 300 #1142-467-30768 | Union Oil Company of California | Van Zandt, TXVan (Pecan Gap) | PluggedOil | 2,370 | May 17, 2000 | — | — |
| Murphree J. J. 31 #1542-467-31028 | Union Oil Company of California | Van Zandt, TXVan (Rodessa) | PluggedOil | 5,400 | Mar 19, 1999 | — | — |
| Murphree J. J. 31 #1342-467-31008 | Union Oil Company of California | Van Zandt, TXVan (Rodessa) | PluggedOil | 5,300 | Apr 9, 1998 | — | — |
| Leonard J. H. 30 #642-467-30993 | Union Oil Company of California | Van Zandt, TXVan (Rodessa) | PluggedOil | 5,700 | Nov 10, 1997 | — | — |
| Acton Pamela #4HZ42-105-34483 | Union Oil Company of California | Crockett, TXMassie (Strawn) | PluggedGas | 12,000 | Oct 2, 1997 | — | — |
| Crim R. C. 28 #442-467-00202 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 3,105 | Jun 20, 1997 | — | — |
| Thompson 49 #1742-467-30978 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,500 | May 20, 1997 | — | — |
| Fowler E. L. 302 #342-467-00725 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,990 | Apr 21, 1997 | — | — |
| Thompson 49 #642-467-00845 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,970 | Apr 21, 1997 | — | — |
| Gilbert H. C. 43 #842-467-30638 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 3,150 | Apr 21, 1997 | — | — |
| Consolidation 79 #142-467-00848 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,993 | Feb 20, 1997 | — | — |
| Morris W. E. 601 #242-467-00847 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,970 | Feb 6, 1997 | — | — |
| Fowler E. L. 302 #2542-467-30966 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,500 | Jan 31, 1997 | — | — |
| Tunnell I. P. 300 #2042-467-30961 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,450 | Oct 20, 1996 | — | — |
| Bolin M. R. 51 #342-467-00844 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,927 | May 8, 1996 | — | — |
| Tunnell A. R. 59 #642-467-00720 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 3,005 | Apr 24, 1996 | — | — |
| Fowler E. L. 302 #742-467-00696 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,020 | Mar 5, 1996 | — | — |
| Tunnell A. R. 59 #842-467-00727 | Union Oil Company of California | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,935 | Feb 15, 1996 | — | — |