| Shrecengost D. J. #142-445-00678 | Union Oil Company of California | Terry, TXBrownfield South (Canyon) | PluggedOil | 10,500 | Jun 27, 2006 | — | — |
| 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 | — | — |
| S. T. 747-L SE/4 #342-702-30264 | Union Oil Company of California | Mustang IS-LB, TX | Not on schedule | 15,500 | Mar 14, 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 | — | — |
| Dodd, George #142-459-31110 | Union Oil Company of California | Upshur, TX | Not on schedule | 12,000 | Apr 10, 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 | — | — |
| Williams, Margaret #142-213-30845 | Union Oil Company of California | Henderson, TX | Not on schedule | 12,500 | Jan 8, 2002 | — | — |
| S.T. 773-L N/2 NE/4 #142-702-30258 | Union Oil Company of California | Mustang IS-LB, TX | Plugged | 11,700 | Aug 31, 2001 | — | — |
| 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 | — | — |
| Maxfield, A. G. 38 #18HZ42-467-31051 | Union Oil Company of California | Van Zandt, TX | Not on schedule | 2,810 | Mar 26, 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 | — | — |
| Aquamarine Unit #242-057-31609 | Union Oil Company of California | Calhoun, TXWildcat | PluggedGas | 11,000 | Jul 12, 2000 | — | — |
| 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 | — | — |
| Cowden E. P. #342-003-84717 | Union Oil Company of California | Andrews, TXDollarhide (Clear Fork) | PluggedOil | 2,200 | Feb 23, 2000 | — | — |
| W. C. Tyrrell Unit #2 #342-371-36973 | Union Oil Company of California | Pecos, TX | Not on schedule | 11,600 | Dec 23, 1999 | — | — |
| Trees Estate "12" #442-371-36940 | Union Oil Company of California | Pecos, TX | Not on schedule | 5,200 | Sep 20, 1999 | — | — |
| Murphree J. J. 31 #1542-467-31028 | Union Oil Company of California | Van Zandt, TXVan (Rodessa) | PluggedOil | 5,400 | Mar 19, 1999 | — | — |
| P.B.M. Unit #242-371-36898 | Union Oil Company of California | Pecos, TX | Not on schedule | 17,200 | Feb 8, 1999 | — | — |
| Swain, W. F. 36 #1342-467-31011 | Union Oil Company of California | Van Zandt, TX | Not on schedule | 2,500 | May 6, 1998 | — | — |
| Smith, L. A. 103 #1442-467-31013 | Union Oil Company of California | Van Zandt, TX | Not on schedule | 2,500 | May 6, 1998 | — | — |
| Cumbie, J. 32 #842-467-31014 | Union Oil Company of California | Van Zandt, TX | Not on schedule | 2,500 | May 6, 1998 | — | — |
| Murphree J. J. 31 #1342-467-31008 | Union Oil Company of California | Van Zandt, TXVan (Rodessa) | PluggedOil | 5,300 | Apr 9, 1998 | — | — |
| Southwest Andrews Unit #3101A42-003-38349 | Union Oil Company of California | Andrews, TX | Not on schedule | 9,300 | Jan 13, 1998 | — | — |