| March-Dickey Gas Unit #142-401-35055 | O Ryan Oil and Gas | Rusk, TXTrawick (Pettit-TP Cons.) | ActiveGas | 11,843 | Feb 28, 2012 | — | — |
| TXL #1SW42-353-33286 | O Ryan Oil and Gas | Nolan, TXDora North (Cons.) | Shut inOil | 6,300 | Jan 30, 2012 | — | — |
| Owens Gas Unit NO 2 #142-161-34742 | O Ryan Oil and Gas | Freestone, TXNan-SU-Gail (CV Consolidated) | ActiveGas | 12,407 | Jul 27, 2011 | — | — |
| Boon-Owens Gas Unit #142-161-34741 | O Ryan Oil and Gas | Freestone, TXNan-SU-Gail (CV Consolidated) | ActiveGas | 12,400 | Jul 25, 2011 | — | — |
| University Lease #11042-383-37167 | O Ryan Oil and Gas | Reagan, TXBig Lake | Shut inOil | 3,260 | Feb 9, 2011 | — | — |
| Todd Crinoidal Unit #5542-105-41180 | O Ryan Oil and Gas | Crockett, TXTodd Deep (Crinoidal) | ActiveOil | 6,542 | Aug 24, 2010 | — | — |
| Todd Crinoidal Unit #5642-105-41188 | O Ryan Oil and Gas | Crockett, TXTodd Deep (Crinoidal) | ActiveOil | 6,478 | Aug 23, 2010 | — | — |
| Bent Road (Smackover) Unit #242-349-34923 | O Ryan Oil and Gas | Navarro, TXSalt Break (Smackover) | Shut inOil | 9,400 | Jun 14, 2010 | — | — |
| Owens Gas Unit #142-161-34589 | O Ryan Oil and Gas | Freestone, TXNan-SU-Gail (CV Consolidated) | ActiveGas | 12,347 | May 26, 2010 | — | — |
| Exxon Fee C #942-105-41017 | O Ryan Oil and Gas | Crockett, TXTodd Deep (Ellenburger) | Shut inOil | 6,505 | Jan 28, 2010 | — | — |
| Exxon Fee C #1042-105-41016 | O Ryan Oil and Gas | Crockett, TXTodd Deep (Ellenburger) | Shut inOil | 6,500 | Nov 2, 2009 | — | — |
| Burnett-Sloan Unit #b 342-349-34897 | O Ryan Oil and Gas | Navarro, TXCorsicana (Shallow) | ActiveInjection | 1,506 | Aug 25, 2009 | — | — |
| Grounds #142-401-35043 | O Ryan Oil and Gas | Rusk, TXTrawick (Pettit-TP Cons.) | ActiveGas | 10,650 | Mar 13, 2009 | — | — |
| Burnett-Sloan Unit #b 242-349-34870 | O Ryan Oil and Gas | Navarro, TXTrooper (Smackover) | Shut inOil | 9,450 | Sep 5, 2008 | — | — |
| Hulan Yarber (Smackover) Unit #342-349-34854 | O Ryan Oil and Gas | Navarro, TXSalt Break (Smackover) | ActiveGas | 9,400 | Jul 23, 2008 | — | — |
| Steward #142-161-34123 | O Ryan Oil and Gas | Freestone, TXNan-SU-Gail (CV Consolidated) | ActiveGas | 12,400 | Apr 21, 2008 | — | — |
| Wilson #642-435-38154 | O Ryan Oil and Gas | Sutton, TXMiers (Des Moines) | Temporarily abandonedGas | 4,543 | Apr 16, 2008 | — | — |
| Carpenter #142-161-34115 | O Ryan Oil and Gas | Freestone, TXNan-SU-Gail (CV Consolidated) | ActiveGas | 12,400 | Apr 8, 2008 | — | — |
| Sloan D #242-349-34822 | O Ryan Oil and Gas | Navarro, TXBig R (Smackover) | Shut inOil | 9,500 | Jan 29, 2008 | — | — |
| Wilson #842-435-38701 | O Ryan Oil and Gas | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 4,100 | Sep 19, 2007 | — | — |
| Bentley #142-001-32545 | O Ryan Oil and Gas | Anderson, TXCayuga (CV-TP Cons.) | ActiveGas | 11,175 | Feb 2, 2007 | — | — |
| Wilson #542-435-38152 | O Ryan Oil and Gas | Sutton, TXMiers (Des Moines) | Temporarily abandonedGas | 4,337 | Sep 22, 2006 | — | — |
| Wilson #742-435-38153 | O Ryan Oil and Gas | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 4,210 | Sep 22, 2006 | — | — |
| Wilson #142-435-30110 | O Ryan Oil and Gas | Sutton, TXMiers NE (Strawn) | PluggedGas | 4,186 | Jul 17, 2006 | — | — |
| University Lease #10842-383-35776 | O Ryan Oil and Gas | Reagan, TXBig Lake | PluggedOil | 3,200 | May 2, 2006 | — | — |
| University Lease #10742-383-35777 | O Ryan Oil and Gas | Reagan, TXBig Lake | Shut inOil | 3,194 | May 2, 2006 | — | — |
| Farley (Smackover) Unit #301HZ42-213-30245 | O Ryan Oil and Gas | Henderson, TXJohn W. (Smackover) | Shut inOil | 9,007 | Jul 1, 2005 | — | — |
| Hulan Yarber (Smackover) Unit #142-349-34168 | O Ryan Oil and Gas | Navarro, TXTynes (Smackover) | Shut inOil | 9,711 | May 18, 2005 | — | — |
| Sloan D #1HZ42-349-34226 | O Ryan Oil and Gas | Navarro, TXBig R (Smackover) | Shut inOil | 9,622 | Mar 16, 2005 | — | — |
| Todd Estate -a- #1142-105-00094 | O Ryan Oil and Gas | Crockett, TXTodd Deep (Ellenburger) | Shut inOil | 6,800 | Mar 2, 2005 | — | — |
| Farley (Smackover) Unit #201HZ42-213-30243 | O Ryan Oil and Gas | Henderson, TXJohn W. (Smackover) | Shut inOil | 9,093 | Feb 16, 2005 | — | — |
| Burnett-Sloan Unit #b 1HZ42-349-34098 | O Ryan Oil and Gas | Navarro, TXTrooper (Smackover) | ActiveOil | 9,732 | Dec 22, 2004 | — | — |
| Johnson J. L. Unit #b 142-135-30601 | O Ryan Oil and Gas | Ector, TXFoster | Shut inOil | 9,064 | Oct 5, 2004 | — | — |
| East Reddin Unit #65742-441-34113 | O Ryan Oil and Gas | Taylor, TXReddin Unit | Shut inOil | 2,600 | Sep 29, 2004 | — | — |
| Ocho Juan Unit #512HZ42-151-30842 | O Ryan Oil and Gas | Fisher, TXOcho Juan (Canyon Reef) | ActiveOil | 6,205 | Jul 27, 2004 | — | — |
| Todd J.S. a #2242-105-39041 | O Ryan Oil and Gas | Crockett, TXDonham (Queen) | Temporarily abandonedGas | 1,905 | Dec 19, 2003 | — | — |
| Rainmaker 2 #942-105-38480 | O Ryan Oil and Gas | Crockett, TXWyatt | ActiveOil | 1,400 | Apr 15, 2002 | — | — |
| Shannon #642-105-00397 | O Ryan Oil and Gas | Crockett, TXTodd (San Andres) | ActiveInjection | 6,555 | Mar 12, 2002 | — | — |
| Amber Rae 19 #342-135-30795 | O Ryan Oil and Gas | Ector, TXGoldsmith East (Queen) | PluggedGas | 4,000 | Jul 19, 2000 | — | — |
| Exxon Fee C #442-105-01416 | O Ryan Oil and Gas | Crockett, TXTodd Deep (Ellenburger) | PluggedOil | 6,500 | Jul 18, 2000 | — | — |
| Todd J. S. Unit Block #15A42-105-00700 | O Ryan Oil and Gas | Crockett, TXTodd Deep (Ellenburger) | ActiveOil | 6,153 | Jul 7, 2000 | — | — |
| Rainmaker 3 #842-105-38366 | O Ryan Oil and Gas | Crockett, TXWyatt | ActiveOil | 11,080 | May 5, 2000 | — | — |
| Exxon Fee C #142-105-01412 | O Ryan Oil and Gas | Crockett, TXTodd Deep (Ellenburger) | PluggedOil | 6,260 | Apr 5, 2000 | — | — |
| Rainmaker 2 #642-105-38334 | O Ryan Oil and Gas | Crockett, TXWyatt | ActiveOil | 1,350 | Mar 2, 2000 | — | — |
| Rainmaker 2 #742-105-38333 | O Ryan Oil and Gas | Crockett, TXWyatt | ActiveOil | 1,302 | Feb 29, 2000 | — | — |
| Todd J. S. Unit Block #1942-105-00704 | O Ryan Oil and Gas | Crockett, TXTodd Deep (Ellenburger) | PluggedOil | 6,200 | Oct 11, 1999 | — | — |
| Rainmaker 2 #542-105-38279 | O Ryan Oil and Gas | Crockett, TXWyatt | ActiveOil | 1,253 | Sep 8, 1999 | — | — |
| Coates B #142-371-31734 | O Ryan Oil and Gas | Pecos, TXCoates (Ellenburger) | PluggedGas | 13,600 | Aug 4, 1998 | — | — |
| East Reddin Unit #141442-441-33847 | O Ryan Oil and Gas | Taylor, TXReddin Unit | Shut inOil | 2,650 | Sep 16, 1997 | — | — |
| Todd J. S. a R/A a #442-105-00742 | O Ryan Oil and Gas | Crockett, TXWyatt | Temporarily abandonedGas | 1,285 | Nov 22, 1996 | — | — |