| Petroquest JV -Elliot #142-355-33922 | Mission River Systems Inc. | Nueces, TXBishop East (8350) | PluggedGas | 8,550 | Aug 4, 2008 | — | — |
| Roots #142-409-02060 | Mission River Systems Inc. | San Patricio, TXPlymouth East (3875) | PluggedGas | 5,767 | Dec 28, 2006 | — | — |
| W. T. Wolcott Estate Gas Unit #142-273-32360 | Mission River Systems Inc. | Kleberg, TXWildcat | ActiveGas | 9,800 | Nov 27, 2006 | — | — |
| Niemann Emil #1042-391-03596 | Mission River Systems Inc. | Refugio, TXBonnie View (5400) | PluggedOil | 6,222 | Jan 11, 2005 | — | — |
| Beckman #142-273-00866 | Mission River Systems Inc. | Kleberg, TXMay (Massive 3) | PluggedGas | 12,518 | Nov 14, 2002 | — | — |
| Sweeney J. J. #442-215-30221 | Mission River Systems Inc. | Hidalgo, TXDonna (8500) | PluggedGas | 10,000 | Jul 26, 2002 | — | — |
| Sweeney J. J. #742-215-31131 | Mission River Systems Inc. | Hidalgo, TXAlamo (8050) | PluggedGas | 8,350 | Jul 26, 2002 | — | — |
| Sweeney J. J. #642-215-31137 | Mission River Systems Inc. | Hidalgo, TXDonna (5290) | PluggedGas | 8,315 | Jul 26, 2002 | — | — |
| Sweeney J. J. #342-215-01285 | Mission River Systems Inc. | Hidalgo, TXAlamo (8050) | PluggedGas | 8,114 | Jun 14, 2000 | — | — |
| Trevino #142-391-02327 | Mission River Systems Inc. | Refugio, TXRefugio Old (5300) | PluggedGas | 6,469 | Mar 24, 2000 | — | — |
| Sweeney J. J. #542-215-30899 | Mission River Systems Inc. | Hidalgo, TXDonna (Armstrong) | PluggedGas | 11,000 | Aug 4, 1997 | — | — |
| City of Portland Gas Unit C #142-409-30349 | Mission River Systems Inc. | San Patricio, TXPortland W. (F-9) | PluggedGas | 11,320 | Jun 13, 1995 | — | — |
| City of Portland Gas Unit C #4A42-409-30505 | Mission River Systems Inc. | San Patricio, TXPortland W. (F-18) | PluggedGas | 11,500 | May 23, 1994 | — | — |
| Franklin-Vance Unit #142-239-32712 | Mission River Systems Inc. | Jackson, TXTexana North (Frio 6900) | Temporarily abandonedGas | 7,210 | Mar 23, 1994 | — | — |
| Sweeney #842-215-31282 | Mission River Systems Inc. | Hidalgo, TXDonna (5290) | PluggedGas | 9,808 | Apr 21, 1993 | — | — |
| Sweeney J.J. #942-215-31376 | Mission River Systems Inc. | Hidalgo, TXDonna (Rice 6) | PluggedGas | 8,300 | Apr 20, 1993 | — | — |
| Hidalgo-Willacy #1 HHZ42-427-31263 | Mission River Systems Inc. | Starr, TXLa Copita (Vicksburg Cons.) | PluggedGas | 12,500 | Apr 5, 1993 | — | — |
| Werland K. E. #342-007-30173 | Mission River Systems Inc. | Aransas, TXMud Flats S. (Stark) | Shut inOil | 9,658 | Feb 3, 1992 | — | — |
| Cage #1 T42-047-31603 | Mission River Systems Inc. | Brooks, TXTres Encinos (7390) | PluggedGas | 7,800 | Aug 7, 1991 | — | — |
| Kallio R.J. #2HZ42-127-32904 | Mission River Systems Inc. | Dimmit, TXPearsall (Austin Chalk) | PluggedOil | 7,500 | Jul 2, 1990 | — | — |
| Sweeney J. J. #242-215-01287 | Mission River Systems Inc. | Hidalgo, TXAlamo (8050) | PluggedGas | 11,360 | Jun 21, 1990 | — | — |
| Kallio R.J. #1HZ42-283-30815 | Mission River Systems Inc. | La Salle, TXPearsall (Austin Chalk) | PluggedOil | 8,000 | Feb 20, 1990 | — | — |
| Osage-Forster #142-323-32382 | Mission River Systems Inc. | Maverick, TXCarlota (Georgetown) | PluggedOil | 2,600 | Jun 15, 1989 | — | — |
| Heard #142-427-31395 | Mission River Systems Inc. | Starr, TXEl Benadito S. (Vicksburg 9400) | PluggedGas | 11,500 | Feb 13, 1989 | — | — |
| Niemann Emil #342-391-03576 | Mission River Systems Inc. | Refugio, TXBonnie View (4250) | PluggedGas | 4,568 | Apr 25, 1988 | — | — |
| Niemann Emil #442-391-03577 | Mission River Systems Inc. | Refugio, TXBonnie View (F-3950) | PluggedGas | 4,568 | Apr 4, 1988 | — | — |
| Wiatrek A. #142-255-31177 | Mission River Systems Inc. | Karnes, TXDavy (Edwards) | Shut inOil | 11,520 | Nov 16, 1987 | — | — |
| Dorsogna #142-355-32167 | Mission River Systems Inc. | Nueces, TXBishop East (7200) | PluggedGas | 11,000 | Nov 3, 1987 | — | — |
| Edgemon R. P. Unit #142-215-01116 | Mission River Systems Inc. | Hidalgo, TXMercedes ( 3-M) | PluggedOil | 8,503 | Jul 17, 1987 | — | — |
| Urbanczyk A#1 #142-255-31175 | Mission River Systems Inc. | Karnes, TXPerson (Edwards) | Temporarily abandonedGas | 11,020 | May 6, 1987 | — | — |
| Annidrawe Ilse #142-215-31657 | Mission River Systems Inc. | Hidalgo, TXCano-Mexico (8550) | PluggedGas | 8,650 | Sep 27, 1985 | — | — |
| Niemann Emil #742-391-03579 | Mission River Systems Inc. | Refugio, TXBonnie View | PluggedOil | 4,560 | Feb 1, 1983 | — | — |
| Young George #842-025-80473 | Mission River Systems Inc. | Bee, TXCosden W. (3050 Sand) | PluggedOil | 3,713 | Oct 12, 1982 | — | — |
| Young George #142-025-31411 | Mission River Systems Inc. | Bee, TXDirks | PluggedOil | 4,100 | Dec 21, 1981 | — | — |
| Wood H. C. #742-025-31802 | Mission River Systems Inc. | Bee, TXBlanconia South | PluggedOil | 5,500 | Dec 15, 1981 | — | — |
| Wetherbee Charles F. Trustee -a #142-283-30744 | Mission River Systems Inc. | La Salle, TXPearsall (Austin Chalk) | PluggedOil | 8,000 | Apr 14, 1981 | — | — |
| Wood H. C. #642-025-31262 | Mission River Systems Inc. | Bee, TXBlanconia South | PluggedOil | 5,500 | Feb 26, 1980 | — | — |
| Wood Bernadine #242-025-31119 | Mission River Systems Inc. | Bee, TXBlanconia South | PluggedOil | 5,300 | Apr 19, 1979 | — | — |
| Wood Vernice C. #242-025-30998 | Mission River Systems Inc. | Bee, TXBlanconia South | PluggedOil | 5,300 | Sep 18, 1978 | — | — |
| Wood H. C. #542-025-02855 | Mission River Systems Inc. | Bee, TXBlanconia South | PluggedOil | 5,283 | Apr 18, 1978 | — | — |
| Werland K. E. #242-007-30162 | Mission River Systems Inc. | Aransas, TXMud Flats S. (Stark) | Shut inOil | 9,651 | — | — | — |
| Slick Sand Oil Unit #1942-025-00149 | Mission River Systems Inc. | Bee, TXTulsita (Wilcox) | PluggedOil | — | — | — | — |
| Slick Sand Oil Unit #2642-025-00158 | Mission River Systems Inc. | Bee, TXTulsita (Wilcox) | PluggedOil | — | — | — | — |
| Slick Sand Oil Unit #2742-025-00159 | Mission River Systems Inc. | Bee, TXTulsita (Wilcox) | PluggedOil | — | — | — | — |
| Slick Sand Oil Unit #2842-025-00160 | Mission River Systems Inc. | Bee, TXTulsita (Wilcox) | PluggedOil | — | — | — | — |
| Slick Sand Oil Unit #2942-025-00161 | Mission River Systems Inc. | Bee, TXTulsita (Wilcox) | PluggedOil | — | — | — | — |
| Slick Sand Oil Unit #3142-025-00171 | Mission River Systems Inc. | Bee, TXTulsita (Wilcox) | PluggedOil | — | — | — | — |
| Slick Sand Oil Unit #942-025-00177 | Mission River Systems Inc. | Bee, TXTulsita (Wilcox) | PluggedOil | — | — | — | — |
| Slick Sand Oil Unit #2542-025-00178 | Mission River Systems Inc. | Bee, TXTulsita (Wilcox) | PluggedOil | — | — | — | — |
| Slick Sand Oil Unit #1742-025-00195 | Mission River Systems Inc. | Bee, TXTulsita (Wilcox) | PluggedOil | — | — | — | — |