| Sarris #1HHZ42-181-31516 | Charter Oak Production Co. LLC | Grayson, TXDenison S. (Woodlake) | ActiveOil | 11,637 | Feb 2, 2013 | — | — |
| Hill #1HHZ42-181-31515 | Charter Oak Production Co. LLC | Grayson, TXSherman (Cordell 8590) | ActiveOil | 10,781 | Jan 15, 2013 | — | — |
| Tunnell #1HHZ42-181-31485 | Charter Oak Production Co. LLC | Grayson, TXSherman (10700) | ActiveOil | 11,541 | Sep 1, 2011 | — | — |
| MT Bar Ranch 581 #142-357-32733 | Charter Oak Production Co. LLC | Ochiltree, TXDutcher (Atoka) | ActiveGas | 12,337 | May 19, 2009 | — | — |
| Douthat #142-181-31382 | Charter Oak Production Co. LLC | Grayson, TXSherman Airport (Baker) | PluggedOil | 11,000 | May 1, 2009 | — | — |
| Big Lake 102 #142-211-33999 | Charter Oak Production Co. LLC | Hemphill, TXAchilles (Tonkawa) | PluggedGas | 13,450 | Oct 2, 2008 | — | — |
| All American #142-461-34951 | Charter Oak Production Co. LLC | Upton, TXWildcat | PluggedOil | 9,000 | Nov 16, 2005 | — | — |
| Catherine #109742-195-31669 | Charter Oak Production Co. LLC | Hansford, TXHansford (Morrow Lower) | ActiveGas | 7,758 | Feb 22, 2005 | — | — |
| Jones Tina #142-181-31383 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | ActiveOil | 8,264 | Jul 12, 2004 | — | — |
| Harmon #h 1HZ42-357-32370 | Charter Oak Production Co. LLC | Ochiltree, TXNorthrup (Cleveland) | ActiveGas | 12,088 | Jul 1, 2003 | — | — |
| Brillhart #1H42-357-32391 | Charter Oak Production Co. LLC | Ochiltree, TXPerryton (Novi Lime) | ActiveGas | 8,550 | Jun 23, 2003 | — | — |
| Persons H. #242-181-31255 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 8,500 | Jun 28, 1991 | — | — |
| Calhoun #242-181-31237 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd East (Davis) | PluggedOil | 8,500 | Apr 2, 1990 | — | — |
| Webb-Brown #142-181-31233 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | ActiveOil | 7,857 | Jan 17, 1990 | — | — |
| Bumpass #242-181-31187 | Charter Oak Production Co. LLC | Grayson, TXHudgins (Dornick Hills 8000) | ActiveOil | 8,350 | Dec 11, 1986 | — | — |
| Logston Aggie #242-181-31180 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | ActiveOil | 7,750 | Mar 3, 1986 | — | — |
| Logston-Cantrell Unit #142-181-31158 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 9,000 | Jan 6, 1986 | — | — |
| Logston Aggie Unit #142-181-31145 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 9,000 | Oct 15, 1985 | — | — |
| Walsh #1 #442-181-31133 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | ActiveOil | 7,900 | Jul 15, 1985 | — | — |
| Hudgins Tom Unit #142-181-31120 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 9,200 | Feb 20, 1985 | — | — |
| Brown W. #2 #242-181-01768 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | ActiveOil | 8,900 | Dec 17, 1984 | — | — |
| Brown W. #342-181-31096 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 9,200 | Oct 11, 1984 | — | — |
| Bundschuh #142-181-31079 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 9,000 | Jul 26, 1984 | — | — |
| Logston-Klas #142-181-31071 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 8,650 | Jun 29, 1984 | — | — |
| Lee-Hazelwood Georgia #142-181-31068 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedGas | 9,000 | Jun 14, 1984 | — | — |
| Walsh #2 #242-181-31040 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 8,500 | Mar 23, 1984 | — | — |
| Walsh #1 #142-181-31026 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | Shut inOil | 8,277 | Jan 6, 1984 | — | — |
| Braswell #142-181-31003 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 9,000 | Oct 19, 1983 | — | — |
| Brown #142-181-30992 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | ActiveOil | 8,500 | Sep 22, 1983 | — | — |
| Robertson-Bluestem #142-181-30869 | Charter Oak Production Co. LLC | Grayson, TXSeptember (9300) | PluggedOil | 9,557 | Sep 14, 1983 | — | — |
| Hughes Unit #142-181-30980 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | ActiveOil | 8,250 | Aug 8, 1983 | — | — |
| Martin #142-181-30938 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 8,433 | Dec 31, 1982 | — | — |
| Schultz J. M. #142-295-31146 | Charter Oak Production Co. LLC | Lipscomb, TXLipscomb (Cleveland) | PluggedGas | 7,600 | Jan 15, 1982 | — | — |
| Bumpass #142-181-30842 | Charter Oak Production Co. LLC | Grayson, TXSouthmayd North (Baker-Viola) | ActiveOil | 8,346 | Oct 16, 1981 | — | — |
| Hazelwood #142-181-81192 | Charter Oak Production Co. LLC | Grayson, TXHudgins (Dornick Hills 8000) | PluggedOil | 7,765 | Oct 8, 1981 | — | — |