| Sheridan #142-065-31124 | Rio Petroleum Inc. | Carson, TXPanhandle Carson County Field | PluggedOil | 3,300 | Jan 20, 2010 | — | — |
| Bailey #209242-483-30525 | Rio Petroleum Inc. | Wheeler, TXWildcat | PluggedGas | 14,500 | Aug 17, 2007 | — | — |
| Bailey E #142-483-31006 | Rio Petroleum Inc. | Wheeler, TXThorndike (Kinderhook) | PluggedGas | 12,400 | Mar 13, 2007 | — | — |
| Loveless-Langford #3HTHZ42-197-30865 | Rio Petroleum Inc. | Hardeman, TXDown Under (Chappel) | PluggedOil | 9,000 | May 12, 2006 | — | — |
| Crownover #142-197-31357 | Rio Petroleum, Inc. | Hardeman, TX | Plugged | 8,700 | Jan 5, 2006 | — | — |
| Bryan #342-421-30459 | Rio Petroleum Inc. | Sherman, TXTexas Hugoton | ActiveGas | 5,233 | Sep 27, 2002 | — | — |
| Lohberger #142-483-31589 | Rio Petroleum Inc. | Wheeler, TXThorndike (Missouri Lower) | PluggedOil | 8,700 | Jun 27, 2001 | — | — |
| Ms. Bettye #113642-197-31172 | Rio Petroleum Inc. | Hardeman, TXRio (Chappel) | PluggedOil | 8,800 | Oct 4, 2000 | — | — |
| Boston #242-179-20019 | Rio Petroleum, Inc. | Gray, TX | Plugged | 11,600 | Aug 20, 1999 | — | — |
| Dude Wilson #142-357-32261 | Rio Petroleum Inc. | Ochiltree, TXPerryton (Douglas) | PluggedGas | 11,500 | Apr 29, 1999 | — | — |
| Kenneth L. Powell Estate Unit #142-205-30292 | Rio Petroleum Inc. | Hartley, TXLathem (Canyon Granite Wash) | PluggedOil | 6,650 | Dec 3, 1998 | — | — |
| Bailey a #142-483-30054 | Rio Petroleum Inc. | Wheeler, TXThorndike (Atoka) | ActiveInjection | 4,965 | Oct 9, 1998 | — | — |
| Wright #142-487-32354 | Rio Petroleum Inc. | Wilbarger, TXPiarist SW (Miss) | PluggedOil | 8,600 | Jun 23, 1997 | — | — |
| Langhorne #142-205-30184 | Rio Petroleum, Inc. | Hartley, TX | Plugged | 6,700 | May 3, 1996 | — | — |
| Ms. Bettye #313642-197-31373 | Rio Petroleum Inc. | Hardeman, TXRio (Chappel) | ActiveOil | 8,179 | Mar 8, 1996 | — | — |
| Ardrey #242-295-30800 | Rio Petroleum Inc. | Lipscomb, TXFollett (Tonkawa) | PluggedOil | 9,000 | Jan 30, 1996 | — | — |
| Sheridan #242-065-31125 | Rio Petroleum Inc. | Carson, TXPanhandle Carson County Field | PluggedOil | 3,309 | Jan 26, 1995 | — | — |
| Lathem W. H. 5 #1D42-205-00023 | Rio Petroleum Inc. | Hartley, TXLathem (Canyon Granite Wash) | PluggedOil | 4,700 | Nov 29, 1994 | — | — |
| Westlands - IP #102542-165-34773 | Rio Petroleum Inc. | Gaines, TXFelmac (Yates) | PluggedGas | 5,500 | Aug 24, 1994 | — | — |
| Charles #242-483-31050 | Rio Petroleum Inc. | Wheeler, TXPanhandle East | ActiveGas | 2,560 | Aug 23, 1993 | — | — |
| Houghton #142-205-30243 | Rio Petroleum, Inc. | Hartley, TX | Not on schedule | 7,500 | May 20, 1993 | — | — |
| Mansfield B #142-359-30283 | Rio Petroleum Inc. | Oldham, TXAlamosa East (Granite Wash) | PluggedOil | 7,650 | Aug 24, 1992 | — | — |
| Palaura-LPC Unit #142-197-31217 | Rio Petroleum Inc. | Hardeman, TXBerry West (Miss) | PluggedOil | 8,700 | Jul 8, 1992 | — | — |
| Loveless-Langford #142-197-31208 | Rio Petroleum Inc. | Hardeman, TXDown Under (Chappel) | PluggedOil | 8,700 | Apr 8, 1992 | — | — |
| Johnson -B- #142-233-31805 | Rio Petroleum Inc. | Hutchinson, TXPanhandle West | PluggedGas | 3,400 | Mar 17, 1992 | — | — |
| Marty #242-393-31097 | Rio Petroleum, Inc. | Roberts, TX | Plugged | 4,700 | Apr 1, 1991 | — | — |
| Morse J. S. -C- #242-179-82317 | Rio Petroleum Inc. | Gray, TXPanhandle Gray County Field | ActiveOil | 2,795 | Jan 14, 1991 | — | — |
| Morse J. S. -C- #342-179-04055 | Rio Petroleum Inc. | Gray, TXPanhandle Gray County Field | ActiveOil | 2,988 | Sep 28, 1990 | — | — |
| Morse J. S. -D- #542-179-82323 | Rio Petroleum Inc. | Gray, TXPanhandle Gray County Field | ActiveOil | 2,829 | Apr 23, 1990 | — | — |
| Thompson-Sawyer Library #142-197-31114 | Rio Petroleum Inc. | Hardeman, TXBligh (Chappel) | PluggedOil | 8,700 | Jan 12, 1990 | — | — |
| Bryan #242-421-30444 | Rio Petroleum Inc. | Sherman, TXTexas Hugoton | ActiveGas | 3,526 | Mar 30, 1989 | — | — |
| Binford #142-359-30275 | Rio Petroleum Inc. | Oldham, TXBinford | PluggedGas | 7,100 | Aug 17, 1988 | — | — |
| Morse J. S. -D- #442-179-07455 | Rio Petroleum Inc. | Gray, TXPanhandle Gray County Field | ActiveOil | 2,894 | Jan 20, 1988 | — | — |
| George #10842-211-31191 | Rio Petroleum Inc. | Hemphill, TXRiley E. (Granite Wash) | PluggedGas | 14,850 | Jan 19, 1988 | — | — |
| McLarty-Lester #142-179-31912 | Rio Petroleum, Inc. | Gray, TX | Not on schedule | 3,450 | Jan 13, 1988 | — | — |
| Mendota Ranch #104142-211-31880 | Rio Petroleum Inc. | Hemphill, TXCanadian SE (Douglas) | PluggedGas | 8,000 | Dec 22, 1987 | — | — |
| Powell Kenneth L. Estate F #142-205-30187 | Rio Petroleum Inc. | Hartley, TXLathem (Canyon Granite Wash) | PluggedOil | 6,500 | Jul 17, 1987 | — | — |
| Englebrecht #2 R42-421-30388 | Rio Petroleum Inc. | Sherman, TXTexas Hugoton | PluggedGas | 3,200 | May 11, 1987 | — | — |
| Loveless "D" #242-197-30955 | Rio Petroleum, Inc. | Hardeman, TX | Not on schedule | 8,750 | Jul 14, 1986 | — | — |
| Morse J. S. -D- #342-179-82321 | Rio Petroleum Inc. | Gray, TXPanhandle Gray County Field | ActiveOil | 2,867 | Mar 25, 1986 | — | — |
| Morse J. S. -J- #142-179-82305 | Rio Petroleum Inc. | Gray, TXPanhandle Gray County Field | PluggedOil | 3,100 | Mar 24, 1986 | — | — |
| Lathem Family Unit B #142-205-30166 | Rio Petroleum Inc. | Hartley, TXLathem (Canyon Granite Wash) | PluggedOil | 6,700 | Oct 3, 1985 | — | — |
| Latham Family Unit #142-205-30158 | Rio Petroleum Inc. | Hartley, TXLathem (Canyon Granite Wash) | PluggedOil | 6,700 | Jun 28, 1985 | — | — |
| Powell Kenneth L. Estate C #2D42-205-30153 | Rio Petroleum Inc. | Hartley, TXLathem (Canyon Granite Wash) | PluggedOil | 7,000 | May 15, 1985 | — | — |
| Forsman #142-483-30465 | Rio Petroleum Inc. | Wheeler, TXThorndike (Atoka) | PluggedGas | 12,500 | May 15, 1985 | — | — |
| Buckshot #242-065-31828 | Rio Petroleum Inc. | Carson, TXPanhandle West | PluggedGas | 3,300 | Dec 31, 1984 | — | — |
| Beth #342-179-31746 | Rio Petroleum, Inc. | Gray, TX | Not on schedule | 3,450 | Dec 5, 1984 | — | — |
| Beth #442-179-31747 | Rio Petroleum, Inc. | Gray, TX | Not on schedule | 3,450 | Dec 5, 1984 | — | — |
| Wright #142-357-31630 | Rio Petroleum Inc. | Ochiltree, TXPerryton (Elgin) | PluggedGas | 7,100 | Nov 1, 1984 | — | — |
| Loveless D #142-197-30310 | Rio Petroleum Inc. | Hardeman, TXBent Tree (6350) | PluggedOil | 8,775 | Oct 16, 1984 | — | — |