| Young -2- #142-211-31761 | FX Energy Operating LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 14,220 | Aug 10, 2026 | 2 | Apr 2026 |
| Elm Creek Ranch 46 #642-211-34949 | Bce-Mach II LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 13,980 | Mar 6, 2026 | 2 | Apr 2026 |
| Kiker #342-211-32296 | Mmgl Txph LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 15,027 | Apr 14, 2014 | 2 | Sep 2021 |
| Jones L.L. 14 #142-211-31173 | Mmgl Txph LLC only | HemphillLipscomb S.E. (Cleveland) | ActiveGas | 15,414 | Apr 9, 2014 | 3 | Apr 2026 |
| Kiker #15142-211-31218 | Mmgl Txph LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 15,200 | Apr 18, 2012 | 3 | Apr 2026 |
| Bowers #225142-211-32291 | Mmgl Txph LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 15,000 | Sep 27, 2011 | 3 | Apr 2026 |
| B & H SWD #142-211-34859 | Overflow Energy LLC only | HemphillAllison Parks (Morrow Up.) | ActiveInjection | 6,355 | Mar 15, 2011 | 1 | — |
| Hall #30342-211-31844 | Mmgl Txph LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 15,100 | Jul 20, 2010 | 3 | Apr 2026 |
| Bowers #742-211-31286 | Mmgl Txph LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 14,700 | Jan 20, 2009 | 2 | Apr 2026 |
| Elm Creek Ranch 47 #1R42-211-34230 | Bce-Mach II LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 13,531 | Sep 12, 2008 | 3 | Mar 2019 |
| Dukes Joe 4 #142-211-31758 | Mmgl Txph LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 15,286 | Jan 28, 2008 | 2 | Apr 2026 |
| Glisan Steen #101342-211-31208 | Mmgl Txph LLC only | HemphillBuffalo Wallow (Granite Wash) | ActiveGas | 14,770 | Jul 25, 2007 | 2 | Apr 2026 |
| Riley-Amoco #142-211-31936 | Blackbeard Operating LLC only | HemphillAllison Parks (Granite Wash) | PluggedGas | 15,000 | Mar 29, 2006 | 2 | Jun 2014 |
| Kiker #242-211-31884 | Mmgl Txph LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 14,700 | Mar 24, 2006 | 2 | Apr 2026 |
| Lee #10542-211-31305 | Upland Resources LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 14,974 | Nov 29, 2004 | 2 | Oct 2025 |
| Lee #342-211-32242 | Unbridled Resources LLC only | HemphillAllison Parks (Morrow Up.) | Temporarily abandonedGas | 14,910 | Nov 8, 2004 | 2 | May 2011 |
| Bowers #257142-211-31308 | Mmgl Txph LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 14,665 | Aug 10, 2004 | 2 | Apr 2026 |
| Lee #242-211-31954 | Unbridled Resources LLC only | HemphillAllison Parks (Morrow Up.) | Temporarily abandonedGas | 14,850 | Jun 18, 2004 | 2 | Feb 2015 |
| Bowers #257342-211-32472 | Mmgl Txph LLC only | HemphillAllison Parks (Granite Wash) | ActiveGas | 14,596 | May 6, 2004 | 2 | Apr 2026 |
| Parker 19 #242-211-31974 | Unbridled Resources LLC only | HemphillAllison Parks (Granite Wash) | Temporarily abandonedGas | 15,060 | Apr 8, 2004 | 2 | Jul 2015 |
| Zybach Bob #142-483-30670 | Overflow Energy LLC only | WheelerAllison Parks (Morrow Up.) | Temporarily abandonedGas | 6,375 | Dec 27, 2003 | 2 | — |
| Bowers #125842-211-32292 | Mmgl Txph LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 14,400 | Apr 13, 1999 | 1 | Apr 2026 |
| Shelton 26 #142-483-31531 | Chesapeake Operating Inc. only | WheelerAllison Parks (Morrow Up.) | PluggedGas | 16,500 | Feb 24, 1998 | 1 | Aug 2011 |
| Bowers #252242-211-32249 | 4P Energy Texas LLC only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 15,200 | Sep 2, 1997 | 1 | Feb 2012 |
| Young -2- #242-211-32224 | FX Energy Operating LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 14,400 | May 15, 1997 | 1 | Apr 2026 |
| Bowers #7A42-211-32227 | Chesapeake Operating L.L.C. only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 14,500 | Apr 7, 1997 | 1 | Jan 2011 |
| Young Trust Unit #242-211-32106 | Unit Petroleum Company only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 15,000 | Sep 19, 1995 | 1 | Apr 2003 |
| Glisan #201242-211-32010 | BP America Production Company only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 14,900 | Apr 7, 1993 | 2 | Aug 2004 |
| Markham #101242-211-31759 | G E Operating Inc. only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 15,500 | Dec 15, 1992 | 2 | May 1994 |
| Kiker-Amoco #20642-211-31970 | Mmgl Txph LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 14,767 | Jun 30, 1992 | 1 | Apr 2026 |
| Glisan-Steen #201342-211-31968 | Samson Resources Company only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 14,850 | Nov 8, 1991 | 1 | — |
| Butcher #20542-211-31922 | Kerr-McGee Corporation only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 15,400 | Mar 19, 1990 | 1 | Nov 1993 |
| Bowers #225742-211-31923 | Mmgl Txph LLC only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 15,000 | Mar 19, 1990 | 1 | Aug 2021 |
| Jones-Allison #242-211-31894 | Atlas Operating LLC only | HemphillAllison Parks (Morrow Up.) | Temporarily abandonedGas | 14,633 | Oct 24, 1988 | 1 | Oct 2011 |
| Lee #142-483-31368 | E. T. S. Enterprises Inc. only | WheelerAllison Parks (Morrow Up.) | PluggedGas | 15,600 | Jun 3, 1988 | 1 | — |
| Donaldson-Allison #3A42-211-31876 | Kaiser-Francis Oil Company only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 15,200 | Feb 22, 1988 | 1 | — |
| Rogers E. #125942-211-31874 | Mmgl Txph LLC only | HemphillAllison Parks (Morrow Up.) | Temporarily abandonedGas | 14,500 | Nov 9, 1987 | 1 | Apr 2013 |
| Wildman #142-483-31334 | E. T. S. Enterprises Inc. only | WheelerAllison Parks (Morrow Up.) | PluggedGas | 15,300 | Aug 31, 1987 | 1 | — |
| Begert #101342-211-31864 | Mmgl Txph LLC only | HemphillAllison Parks (Morrow Up.) | Temporarily abandonedGas | 14,950 | Jun 2, 1987 | 1 | Mar 2015 |
| Butcher #10542-211-31849 | Mmgl Txph LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 15,159 | Nov 4, 1986 | 3 | Apr 2026 |
| Palmer-Allison #20742-211-31795 | Atlas Operating LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 14,524 | Jul 7, 1986 | 2 | Mar 2026 |
| McYoung-Allison #342-211-31835 | Kaiser-Francis Oil Company only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 15,200 | Jun 10, 1986 | 1 | — |
| Young-Allison #2B42-211-31820 | Kaiser-Francis Oil Company only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 15,200 | Jan 23, 1986 | 1 | — |
| Huff-Allison #10842-211-31806 | Kaiser-Francis Oil Company only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 14,900 | Dec 4, 1985 | 1 | — |
| Glisan #142-211-31706 | Mmgl Txph LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 14,870 | Nov 7, 1985 | 2 | Apr 2026 |
| George Unit #242-211-31748 | Mmgl Txph LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 14,822 | Nov 7, 1985 | 2 | Apr 2026 |
| Steele-Young #20242-211-31781 | Mmgl Txph LLC only | HemphillAllison Parks (Morrow Up.) | ActiveGas | 14,249 | Jul 9, 1985 | 1 | Apr 2026 |
| Donaldson #101742-211-31538 | Kaiser-Francis Oil Company only | HemphillAllison Parks (Granite Wash) | PluggedGas | 15,050 | Jan 24, 1985 | 3 | May 2011 |
| Donaldson-Allison #2 A42-211-31738 | Atlas Operating LLC only | HemphillAllison Parks (Morrow Up.) | Temporarily abandonedGas | 14,745 | Jan 18, 1985 | 1 | Feb 2011 |
| McMordie #20842-211-31729 | Tecolote Energy Operating LLC only | HemphillAllison Parks (Morrow Up.) | PluggedGas | 14,800 | Nov 20, 1984 | 1 | Mar 2009 |