| Pierce Estates #C26342-481-35486 | Remora Management LLC only | WhartonWithers North | ActiveOil | 5,450 | Mar 3, 2023 | 1 | Apr 2026 |
| Pierce Estates #C24442-481-34812 | Remora Management LLC only | WhartonWithers North (-a- Sand) | Temporarily abandonedGas | 5,450 | Sep 17, 2010 | 4 | Apr 2026 |
| Pierce Estates Inc. #9642-481-03168 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,180 | Aug 30, 2010 | 1 | Apr 2026 |
| Pierce Estates Inc. #22A42-481-03159 | McGowan Working Partners Inc. only | WhartonWithers North | Shut inOil | 5,400 | Aug 24, 2010 | 1 | Apr 2026 |
| Pierce Estates #C24142-481-34740 | Remora Management LLC only | WhartonWithers North | ActiveInjection | 5,500 | Mar 13, 2009 | 3 | Apr 2026 |
| Pierce Estates #C23242-481-34445 | Remora Management LLC only | WhartonWithers North (-a- Sand) | ActiveInjection | 5,696 | Dec 21, 2007 | 4 | Apr 2026 |
| Pierce Estates #C24642-481-34869 | Remora Management LLC only | WhartonWithers North | Shut inOil | 5,440 | Nov 2, 2006 | 1 | Apr 2026 |
| Pierce Estates #C24542-481-34811 | Remora Management LLC only | WhartonWithers North | ActiveOil | 5,485 | Nov 28, 2005 | 1 | Apr 2026 |
| Pierce Estates #C10642-481-02925 | Remora Management LLC only | WhartonWithers North | Shut inOil | 5,354 | Jun 22, 2005 | 1 | Apr 2026 |
| Pierce Estates #C11242-481-03222 | Remora Management LLC only | WhartonWithers North | PluggedOil | 5,385 | Apr 27, 2005 | 1 | Apr 2026 |
| Pierce Estates Inc. #6142-481-03145 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,395 | Jan 23, 2004 | 1 | Apr 2026 |
| Pierce Estates #C18242-481-30592 | Apache Corporation only | WhartonMagnet Withers (Marginulina 1) | PluggedGas | 5,550 | Dec 5, 2003 | 3 | Apr 2026 |
| Pierce Estates #C21042-481-31202 | Remora Management LLC only | WhartonWithers North (-C- Sand) | PluggedOil | 6,500 | Apr 25, 2002 | 1 | Apr 2026 |
| Pierce Estates #C21842-481-32753 | Remora Management LLC only | WhartonWithers North (-C- Sand) | ActiveOil | 5,563 | Mar 29, 2002 | 2 | Apr 2026 |
| Pierce Estates #C19942-481-30801 | Remora Management LLC only | WhartonWithers North (-C- Sand) | PluggedOil | 5,324 | Mar 6, 2002 | 1 | Apr 2026 |
| Pierce Estates #8442-481-03101 | McGowan Working Partners Inc. only | WhartonWithers North | Shut inOil | 5,360 | Apr 16, 1998 | 1 | Apr 2026 |
| Pierce Estates Inc. #59A42-481-03096 | McGowan Working Partners Inc. only | WhartonWithers North | Shut inOil | 5,390 | Mar 21, 1997 | 1 | Apr 2026 |
| Pierce Estates Inc. #68A42-481-03174 | McGowan Working Partners Inc. only | WhartonWithers North | ActiveInjection | 5,430 | Mar 18, 1996 | 1 | Apr 2026 |
| Pierce Estates Inc. #5242-481-03142 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,180 | Mar 15, 1996 | 1 | Apr 2026 |
| Pierce Estates #C19542-481-30679 | Apache Corporation only | WhartonWithers North (-a- Sand) | PluggedGas | 5,500 | Oct 2, 1995 | 4 | Dec 1995 |
| Pierce Estates Inc. #45A42-481-03141 | McGowan Working Partners Inc. only | WhartonWithers North | ActiveInjection | 5,424 | Aug 15, 1995 | 1 | Apr 2026 |
| Pierce Estates #c 9542-481-02920 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 5,377 | Mar 17, 1994 | 1 | — |
| Pierce Estates #C175 F42-481-30408 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 5,550 | Sep 27, 1989 | 3 | — |
| Pierce Estates #C19842-481-30802 | Remora Management LLC only | WhartonWithers North (-C- Sand) | PluggedOil | 5,500 | Mar 17, 1989 | 1 | Apr 2026 |
| Pierce Estates #b 9642-481-02927 | Remora Management LLC only | WhartonWithers North (-C- Sand) | PluggedOil | 5,385 | Jun 22, 1988 | 1 | Apr 2026 |
| Pierce Estates #c 9942-481-03225 | Apache Corporation only | WhartonWithers North (AX Sand) | PluggedOil | 5,395 | Feb 25, 1988 | 1 | Dec 1995 |
| Pierce Estates #C183 F42-481-30593 | Remora Management LLC only | WhartonWithers North (-C- Sand) | PluggedOil | 5,550 | Dec 9, 1987 | 2 | Apr 2026 |
| Pierce Estates #B128 H42-481-03696 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 5,650 | Sep 3, 1987 | 2 | Mar 2004 |
| Pierce Estates #C19042-481-30737 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 6,000 | Jun 5, 1987 | 4 | May 2003 |
| Pierce Estates #135BF42-481-30430 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 6,400 | Feb 18, 1987 | 1 | — |
| Pierce Estates Inc. #5742-481-03095 | McGowan Working Partners Inc. only | WhartonWithers North (Marg. 1) | Temporarily abandonedGas | 5,360 | Jan 22, 1986 | 2 | — |
| Pierce Estates Inc. #8642-481-03105 | McGowan Working Partners Inc. only | WhartonWithers North | Shut inOil | 5,374 | Jan 13, 1986 | 1 | Apr 2026 |
| Pierce Estates #C18742-481-30706 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 6,792 | Jan 3, 1986 | 2 | May 1995 |
| Pierce Estates Inc. #5842-481-03090 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,180 | Aug 30, 1985 | 1 | Apr 2026 |
| Pierce Estates Inc. #8842-481-03140 | McGowan Working Partners Inc. only | WhartonWithers North | Shut inOil | 5,400 | Aug 30, 1985 | 1 | Apr 2026 |
| Pierce Estates Inc. #2642-481-03163 | McGowan Working Partners Inc. only | WhartonWithers North | Shut inOil | 5,295 | Aug 30, 1985 | 1 | Apr 2026 |
| Pierce Estates Inc. #7142-481-03165 | McGowan Working Partners Inc. only | WhartonWithers North | PluggedOil | 5,390 | Aug 30, 1985 | 1 | Apr 2026 |
| Pierce Estates Inc. #8242-481-03126 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | PluggedOil | 5,350 | Aug 12, 1985 | 1 | — |
| Pierce Estates #c 9042-481-02770 | Apache Corporation only | WhartonWithers North (AX Sand) | PluggedOil | 5,376 | Jul 15, 1985 | 3 | Dec 1995 |
| Pierce Estates #c 7942-481-02902 | Remora Management LLC only | WhartonWithers North (-C- Sand) | PluggedOil | 5,384 | Jan 21, 1985 | 1 | — |
| Pierce Estates Inc. #6242-481-03128 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | PluggedOil | 5,350 | Jan 9, 1985 | 1 | — |
| Pierce Estates #9442-481-03169 | McGowan Working Partners Inc. only | WhartonWithers North (Marg. 1) | Temporarily abandonedGas | 5,377 | Jan 9, 1985 | 1 | — |
| Pierce Estates #C10142-481-02777 | Apache Corporation only | WhartonWithers North (AX Sand) | PluggedOil | 5,400 | Aug 31, 1984 | 2 | Dec 1995 |
| Pierce Estates Inc. #7542-481-03156 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | PluggedOil | 5,352 | Jun 18, 1984 | 1 | — |
| Pierce Estates #C11142-481-03223 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 5,384 | Dec 29, 1983 | 1 | Oct 2003 |
| Pierce Estates Inc. #7642-481-03154 | Bass Enterprises Production Co. only | WhartonWithers North (-a- Sand) | PluggedGas | 5,390 | Sep 29, 1983 | 2 | Apr 2026 |
| Pierce Estates Inc. #1042-481-03152 | McGowan Working Partners Inc. only | WhartonWithers North | Shut inOil | 5,295 | Apr 15, 1983 | 1 | Apr 2026 |
| Pierce Estates #C18942-481-30736 | Apache Corporation only | WhartonWithers North (-a- Sand) | PluggedGas | 6,800 | Apr 12, 1983 | 2 | — |
| Pierce Estates #c 9842-481-03224 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 5,375 | Apr 11, 1983 | 1 | — |
| Pierce Estates #c 7142-481-02907 | Apache Corporation only | WhartonWithers North (Miocene 4000) | PluggedGas | 5,398 | Mar 23, 1983 | 2 | — |