| 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 #C23242-481-34445 | Remora Management LLC only | WhartonWithers North (-a- Sand) | ActiveInjection | 5,696 | Dec 21, 2007 | 4 | 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 #C11042-481-02921 | Apache Corporation only | WhartonMagnet Withers (Marginulina 1) | PluggedGas | 5,387 | Dec 5, 2003 | 1 | Apr 2005 |
| Pierce Estates Inc. #0142-481-34558 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 6,200 | Oct 30, 2003 | 2 | 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. #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 #C175 F42-481-30408 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 5,550 | Sep 27, 1989 | 3 | — |
| Pierce Estates #C19042-481-30737 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 6,000 | Jun 5, 1987 | 4 | May 2003 |
| Pierce Estates #81 C42-481-02773 | Apache Corporation only | WhartonWithers North (Marg. 1) | PluggedGas | 5,377 | May 21, 1986 | 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. #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 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 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 #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 | — |
| Pierce Estates #c 8442-481-02768 | Texaco E & P Inc. only | WhartonWithers North (-a- Sand) | PluggedGas | 5,386 | Mar 7, 1983 | 1 | — |
| Pierce Estates #C180 F42-481-30584 | Apache Corporation only | WhartonWithers North (-a- Sand) | PluggedGas | 5,563 | Dec 10, 1980 | 1 | Apr 2026 |
| Pierce Estates #c 9642-481-02766 | Texaco E & P Inc. only | WhartonWithers North (-a- Sand) | PluggedGas | — | — | 0 | — |
| Pierce Estates #c 9242-481-02917 | Apache Corporation only | WhartonWithers North (-a- Sand) | PluggedGas | — | — | 0 | — |
| Pierce Estates Inc. #9142-481-03083 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,180 | — | 0 | — |
| Pierce Estates Inc. #4242-481-03091 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | ActiveOil | 5,355 | — | 0 | — |
| Pierce Estates Inc. #3342-481-03098 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,180 | — | 0 | — |
| Pierce Estates Inc. #4742-481-03099 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,180 | — | 0 | — |
| Pierce Estates Inc. #7842-481-03127 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,180 | — | 0 | — |
| Pierce Estates Inc. #6442-481-03136 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | ActiveInjection | 5,340 | — | 0 | — |
| Pierce Estates Inc. #7042-481-03138 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | PluggedOil | — | — | 0 | — |
| Pierce Estates Inc. #8542-481-03139 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,285 | — | 0 | — |
| Pierce Estates Inc. #8342-481-03143 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,180 | — | 0 | — |
| Pierce Estates Inc. #5042-481-03157 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | PluggedOil | — | — | 0 | — |
| Pierce Estates Inc. #4042-481-03170 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,180 | — | 0 | — |
| Pierce Estates Inc. #4642-481-03171 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | PluggedOil | — | — | 0 | — |
| Pierce Estates Inc. #4842-481-03175 | McGowan Working Partners Inc. only | WhartonWithers North (-a- Sand) | Shut inOil | 5,355 | — | 0 | — |
| Pierce Estates #C11542-481-03219 | Apache Corporation only | WhartonWithers North (-a- Sand) | PluggedOil | — | — | 0 | — |
| Pierce Estates #C11442-481-03220 | Apache Corporation only | WhartonWithers North (-a- Sand) | PluggedOil | — | — | 0 | — |
| Pierce Estates #C11342-481-03221 | Apache Corporation only | WhartonWithers North (-a- Sand) | PluggedOil | — | — | 0 | — |
| Pierce Estates #C10042-481-03226 | Apache Corporation only | WhartonWithers North (-a- Sand) | PluggedOil | — | — | 0 | — |