| Super Unit #33642-181-01231 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 6,446 | Oct 15, 2019 | 2 | Aug 2026 |
| Super Unit #31342-181-01816 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 7,200 | Sep 9, 2019 | 2 | Aug 2026 |
| Super Unit #60542-181-01224 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 7,102 | Jul 3, 2019 | 3 | Aug 2026 |
| Super Unit #34242-181-30666 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 6,109 | Nov 6, 2018 | 2 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #509W42-181-01853 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | ActiveInjection | 8,080 | Jan 3, 2018 | 1 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #528W42-181-00627 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | ActiveInjection | 7,260 | Nov 2, 2017 | 4 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #52242-181-31324 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | ActiveOil | 9,955 | Oct 30, 2017 | 7 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #53742-181-01845 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | Shut inOil | 7,038 | Oct 20, 2017 | 1 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #53142-181-31326 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | ActiveOil | 10,270 | Mar 3, 2017 | 5 | Aug 2026 |
| Super Unit #31742-181-01815 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 7,337 | Feb 10, 2017 | 1 | Aug 2026 |
| Super Unit #31042-181-01820 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 7,199 | Feb 10, 2017 | 3 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #52742-181-31429 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | ActiveOil | 8,539 | Feb 10, 2017 | 2 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #51342-181-01686 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | Shut inOil | 9,000 | Oct 9, 2014 | 2 | Aug 2026 |
| Super Unit #606R42-181-01812 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | Shut inOil | 7,099 | Oct 3, 2014 | 3 | Aug 2026 |
| Super Unit #82042-181-01238 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 10,581 | Jul 22, 2014 | 2 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #53042-181-01225 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | Shut inOil | 7,995 | Aug 12, 2013 | 3 | Aug 2026 |
| Southland #1HHZ42-181-31510 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Woodford) | ActiveOil | 10,154 | Oct 2, 2012 | 1 | Aug 2026 |
| Wright #1HHZ42-181-31504 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Viola) | ActiveOil | 11,500 | Jul 18, 2012 | 1 | Aug 2026 |
| Cannon #1HHZ42-181-31502 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Viola) | ActiveOil | 9,677 | Jun 25, 2012 | 2 | Aug 2026 |
| Bug Off #1HHZ42-181-31500 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Viola) | ActiveOil | 9,180 | May 24, 2012 | 1 | Aug 2026 |
| J & M Unit #1HHZ42-181-31488 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Viola) | ActiveOil | 9,658 | Oct 14, 2011 | 2 | Aug 2026 |
| Green #4442-181-31319 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Woodford) | PluggedOil | 9,850 | Aug 26, 2010 | 2 | Aug 2026 |
| Green #4542-181-31323 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Woodford) | ActiveOil | 9,754 | Jun 16, 2010 | 4 | Aug 2026 |
| Super Unit #410W42-181-01240 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | Shut inOil | 10,337 | May 5, 2010 | 1 | Aug 2026 |
| Ferrill G. #442-181-31438 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveInjection | 2,468 | Feb 13, 2008 | 1 | Aug 2026 |
| Ferrill G. #542-181-31430 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 8,878 | Jun 4, 2007 | 1 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #52442-181-31427 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | ActiveOil | 8,537 | Apr 27, 2007 | 1 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #52342-181-31428 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | PluggedOil | 10,000 | Apr 27, 2007 | 1 | Aug 2026 |
| Barnes C. H. Heirs #142-181-00478 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Viola) | ActiveOil | 10,345 | Jun 2, 2006 | 2 | Aug 2026 |
| Super Unit #816W42-181-00629 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveInjection | 7,074 | Apr 12, 2006 | 3 | Aug 2026 |
| Q. Little #942-181-31399 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Viola) | ActiveOil | 8,433 | May 27, 2005 | 1 | Aug 2026 |
| Barnes J. E. #742-181-31329 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Viola) | ActiveOil | 8,550 | Jan 22, 1998 | 1 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #52142-181-31328 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | ActiveOil | 8,607 | Dec 30, 1997 | 1 | Aug 2026 |
| Ferrill #242-181-31322 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 9,600 | Aug 15, 1997 | 2 | Aug 2026 |
| Godwin J. F. #342-181-01465 | Flintlock Exploration LLC | GraysonSandusky (Dornick Hills) | Shut inOil | 9,930 | Dec 16, 1996 | 1 | Aug 2026 |
| Godwin J. F. #242-181-01464 | Flintlock Exploration LLC | GraysonSandusky (Dornick Hills) | ActiveOil | 9,015 | Dec 5, 1996 | 1 | Aug 2026 |
| Super Unit #60042-181-01226 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | Shut inOil | 6,130 | Sep 16, 1994 | 3 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #51542-181-01687 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | ActiveOil | 7,298 | Mar 15, 1994 | 1 | Aug 2026 |
| Super Unit #715W42-181-01232 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveInjection | 6,947 | Nov 18, 1993 | 1 | Aug 2026 |
| Super Unit #811WL42-181-01696 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveInjection | 7,339 | Nov 18, 1993 | 1 | Aug 2026 |
| Super Unit #346W42-181-31193 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveInjection | 7,100 | Dec 5, 1991 | 2 | Aug 2026 |
| Big Mineral Creek (UV Sand) Unit #51942-181-01679 | Flintlock Exploration LLC | GraysonBig Mineral Creek (UV Sand Unit) | Shut inOil | 7,050 | Apr 20, 1990 | 1 | Aug 2026 |
| Super Unit #34042-181-30641 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | Shut inOil | 6,560 | Apr 19, 1989 | 3 | Aug 2026 |
| Super Unit #60842-181-30672 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 6,105 | Nov 28, 1988 | 3 | Aug 2026 |
| Super Unit #714W42-181-01236 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveInjection | 7,330 | Sep 30, 1988 | 1 | Aug 2026 |
| Super Unit #71342-181-30151 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 5,300 | Sep 27, 1988 | 2 | Aug 2026 |
| Super Unit #70742-181-01819 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 5,258 | Sep 13, 1988 | 1 | Aug 2026 |
| Super Unit #33842-181-30642 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 6,189 | Jul 19, 1988 | 3 | Aug 2026 |
| Super Unit #706 U42-181-30671 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveOil | 6,200 | Jul 19, 1988 | 3 | Aug 2026 |
| Super Unit #709W42-181-01817 | Flintlock Exploration LLC | GraysonBig Mineral Creek (Consolidated) | ActiveInjection | 7,100 | Jun 6, 1988 | 1 | Aug 2026 |