| Fowler, E. L. 302 O-5-3215 | Union Oil Company of California | Van (Austin Chalk) | Van Zandt | 15 | 351K | 816K | Jan 1993 – Apr 2011 |
| Tunnell, I. P. 300 O-5-3199 | Union Oil Company of California | Van (Austin Chalk) | Van Zandt | 11 | 335K | 821K | Jan 1993 – Sep 2011 |
| Parker, J. E. -B- O-10-252 | Union Oil Company of California | Andrews (Pennsylvanian) | Andrews | 7 | 251K | 369K | Sep 1993 – Sep 1995 |
| Thompson 49 O-5-3256 | Union Oil Company of California | Van (Austin Chalk) | Van Zandt | 9 | 222K | 432K | Jan 1993 – Sep 2017 |
| Arco Fee G-3-148623 | Union Oil Company of California | Felicia Creek (y-4 Sand) | Liberty | 1 | 213K | 3.49M | Nov 1993 – Jul 1995 |
| Parker, J. E. -C- (Amoco) O-10-266 | Union Oil Company of California | Andrews (Wolfcamp) | Andrews | 6 | 207K | 299K | Jan 1993 – Sep 1995 |
| York, Ella 102 O-5-1136 | Union Oil Company of California | Van | Van Zandt | 12 | 179K | 76.7K | Jan 1993 – May 2014 |
| Parker, J. E., -C- O-10-14698 | Union Oil Company of California | Andrews, North (Strawn) | Andrews | 3 | 164K | 308K | Jan 1993 – Nov 1997 |
| Parker, J. E. -B- O-10-34689 | Union Oil Company of California | Andrews (Wolfcamp-Penn.) | Andrews | 7 | 163K | 374K | Oct 1995 – Nov 1997 |
| Caledonia O-11-67412 | Union Oil Company of California | Blackwatch (San Andres) | Gaines | 4 | 157K | 50K | Jun 1995 – Sep 1997 |
| Parker, J. E. -C- (Amoco) O-10-34685 | Union Oil Company of California | Andrews (Wolfcamp-Penn.) | Andrews | 7 | 154K | 362K | Oct 1995 – Nov 1997 |
| Jarman, W. T. 37 O-5-3608 | Union Oil Company of California | Van (Rodessa) | Van Zandt | 5 | 143K | 442K | Nov 1997 – Oct 1999 |
| Cumbie 32 O-5-3232 | Union Oil Company of California | Van (Austin Chalk) | Van Zandt | 5 | 142K | 303K | Jan 1993 – Jun 2009 |
| Murphree J. J. 31 O-5-3654 | Union Oil Company of California | Van (Rodessa) | Van Zandt | 3 | 128K | 585K | Sep 1998 – Feb 2010 |
| Jarmen, W. T. 37 O-5-3627 | Union Oil Company of California | Van (Upper Carlile) | Van Zandt | 3 | 128K | 74.5K | Mar 1998 – Oct 1999 |
| Tunnell, A. R. 59 O-5-3217 | Union Oil Company of California | Van (Austin Chalk) | Van Zandt | 8 | 125K | 281K | Jan 1993 – Nov 2009 |
| Braemar O-11-67438 | Union Oil Company of California | Blackwatch (San Andres) | Gaines | 3 | 123K | 42.2K | Sep 1995 – Sep 1997 |
| Crim, J. R. 16 O-5-3595 | Union Oil Company of California | Van (Upper Carlile) | Van Zandt | 2 | 118K | 185K | Oct 1997 – Sep 2007 |
| Parker, J. E. -G- O-10-247 | Union Oil Company of California | Andrews (Pennsylvanian) | Andrews | 3 | 112K | 107K | Jan 1993 – Sep 1995 |
| Peters, R. H. 29 O-5-3649 | Union Oil Company of California | Van (Upper Carlile) | Van Zandt | 3 | 110K | 102K | Feb 1998 – Oct 1999 |
| Leonard, J. H. 30 O-5-3607 | Union Oil Company of California | Van (Upper Carlile) | Van Zandt | 2 | 89.8K | 45.2K | Dec 1997 – Feb 2000 |
| Parker, J.E. "V" O-10-34086 | Union Oil Company of California | Andrews (Pennsylvanian) | Andrews | 4 | 87.7K | 135K | Jan 1994 – Sep 1995 |
| Parker, J.E. "C" O-10-34111 | Union Oil Company of California | Andrews (Pennsylvanian) | Andrews | 2 | 85.2K | 96.9K | Feb 1994 – Sep 1995 |
| Magers, A. F. 18 O-5-1174 | Union Oil Company of California | Van | Van Zandt | 5 | 76.3K | 19.7K | Jan 1993 – May 2019 |
| White, R. V. 502 O-5-1212 | Union Oil Company of California | Van | Van Zandt | 4 | 71.6K | 110K | Jan 1993 – Jan 2008 |
| Tunnell, I. P. 300 O-5-3467 | Union Oil Company of California | Van (Pecan Gap) | Van Zandt | 5 | 68K | 177K | Dec 1993 – Mar 2011 |
| Parker, J. E. -A- O-10-31375 | Union Oil Company of California | Parker (Pennsylvanian) | Andrews | 2 | 66.5K | 52K | Jan 1993 – Aug 1994 |
| Fowler, E. L. 302 O-5-3496 | Union Oil Company of California | Van (Pecan Gap) | Van Zandt | 3 | 65.3K | 73.2K | Sep 1994 – Jun 2011 |
| Parker, J. E. -C- O-10-34699 | Union Oil Company of California | Andrews (Wolfcamp-Penn.) | Andrews | 2 | 62.6K | 80K | Oct 1995 – Nov 1997 |
| Maxfield, A. G. 38 O-5-3618 | Union Oil Company of California | Van (Rodessa) | Van Zandt | 5 | 62.6K | 81.8K | Mar 1998 – Oct 1999 |
| J. E. Parker "D" Unit O-10-34067 | Union Oil Company of California | Andrews (Pennsylvanian) | Andrews | 1 | 62.4K | 50.5K | Jan 1994 – Sep 1995 |
| Maxfield, A. G. 38 O-5-3634 | Union Oil Company of California | Van (Upper Carlile) | Van Zandt | 1 | 61.5K | 30.8K | May 1998 – Oct 1999 |
| Peters, R. 29 O-5-3666 | Union Oil Company of California | Van (James) | Van Zandt | 1 | 61.1K | 43.1K | Mar 1999 – Nov 2014 |
| Leonard, J. H. 30 O-5-3606 | Union Oil Company of California | Van (Rodessa) | Van Zandt | 2 | 60.6K | 351K | Dec 1997 – Oct 2008 |
| Parker, J. E. "E" Unit O-10-33742 | Union Oil Company of California | Andrews (Pennsylvanian) | Andrews | 1 | 60.2K | 42.8K | Mar 1993 – Sep 1995 |
| Somerled O-11-67434 | Union Oil Company of California | Blackwatch (San Andres) | Gaines | 2 | 60.1K | 21.9K | Sep 1995 – Sep 1997 |
| Parker, J. E. -V- O-10-34698 | Union Oil Company of California | Andrews (Wolfcamp-Penn.) | Andrews | 4 | 59.1K | 134K | Oct 1995 – Nov 1997 |
| Crim, R, C, 28 O-5-3664 | Union Oil Company of California | Van (Carlisle) | Van Zandt | 2 | 57.9K | 57.2K | Oct 1998 – Oct 1999 |
| Parker, J. E. "Z" O-10-34274 | Union Oil Company of California | Andrews (Pennsylvanian) | Andrews | 2 | 56.5K | 43.3K | Sep 1994 – Sep 1995 |
| Gilbert, H. C. 43 O-5-3706 | Union Oil Company of California | Van (Pecan Gap) | Van Zandt | 7 | 54.2K | 64K | Oct 2000 – Jul 2008 |
| Parker, J. E. -G- O-10-34687 | Union Oil Company of California | Andrews (Wolfcamp-Penn.) | Andrews | 2 | 53.6K | 63.5K | Oct 1995 – Nov 1997 |
| Parker, J. E. -P- O-10-31582 | Union Oil Company of California | Parker (Pennsylvanian) | Andrews | 2 | 52.3K | 53.5K | Jan 1993 – Aug 1994 |
| Swain, O. L. 11 O-5-1891 | Union Oil Company of California | Van (Austin Chalk) | Van Zandt | 2 | 47K | 67.2K | Jan 1993 – Jun 2015 |
| White 502 O-5-3246 | Union Oil Company of California | Van (Austin Chalk) | Van Zandt | 2 | 42.8K | 112K | Jan 1993 – Jan 2004 |
| Deford Unit O-10-11321 | Union Oil Company of California | Andrews (Wolfcamp) | Andrews | 4 | 42.5K | 69.1K | Jan 1993 – Sep 1995 |
| Crim, J. F. 16 O-5-3611 | Union Oil Company of California | Van (Rodessa) | Van Zandt | 1 | 41.1K | 161K | Feb 1998 – Jun 2009 |
| Parker, J. E. -D- O-10-284 | Union Oil Company of California | Andrews (Wolfcamp) | Andrews | 2 | 40.8K | 31.7K | Jan 1993 – Sep 1995 |
| Parker, J. E. -E- O-10-267 | Union Oil Company of California | Andrews (Wolfcamp) | Andrews | 4 | 39.8K | 29.3K | Jan 1993 – Sep 1995 |
| Parker, Bessie O. O-10-33925 | Union Oil Company of California | Parker (Wolfcamp) | Andrews | 1 | 38.8K | 39.3K | Aug 1993 – Aug 1994 |
| Parker, J. E. O-10-34688 | Union Oil Company of California | Andrews (Wolfcamp-Penn.) | Andrews | 2 | 38.7K | 47.8K | Oct 1995 – Nov 1997 |