| Coleman Ranch Unit #130642-335-34596 | Americo Energy Resources LLC | Mitchell, TXColeman Ranch | Shut inOil | 3,010 | Apr 10, 2006 | — | — |
| Coleman Ranch Unit #130742-335-34597 | Americo Energy Resources, LLC | Mitchell, TXColeman Ranch | Drilled | 3,300 | Apr 10, 2006 | — | — |
| Urquhart CBM #36-335-121-23544 | Primexx Operating Corporation | Pittsburg, OK | CanceledNo type on file | 1,000 | Oct 10, 2005 | — | — |
| Fisher CBM #1-235-121-23537 | Primexx Operating Corporation | Pittsburg, OK | CanceledNo type on file | 750 | Oct 4, 2005 | — | — |
| Cink #15-535-053-22509 | Primexx Operating Corporation | Grant, OK | CanceledNo type on file | 5,700 | May 3, 2005 | — | — |
| McCampbell #142-175-32894 | Americo Energy Resources LLC | Goliad, TXLa Bahia E. (3900) | PluggedGas | 4,200 | Jul 22, 2004 | — | — |
| McFaddin A. M. #a 1942-469-02317 | Americo Energy Resources LLC | Victoria, TXMcFaddin East (3700) | Temporarily abandonedGas | 6,025 | Jun 3, 2004 | — | — |
| England #135-053-21560 | Primexx Operating Corporation | Grant, OK | PluggedGas | 5,176 | Apr 13, 2004 | — | — |
| McFaddin A. M. #a 1442-469-02330 | Americo Energy Resources LLC | Victoria, TXMcFaddin East (5300) | Shut inOil | 6,415 | Aug 19, 2003 | — | — |
| Waldron S. #142-227-32568 | Americo Energy Resources LLC | Howard, TXMoore (Deep Fslm) | Shut inOil | 10,499 | Jun 24, 2003 | — | — |
| Thwing Gas Unit #142-175-33502 | Americo Energy Resources LLC | Goliad, TXOconnor Ranch (Frio Cons.) | Temporarily abandonedGas | 4,350 | Jun 18, 2003 | — | — |
| Donoghue #7E42-175-33524 | Americo Energy Resources LLC | Goliad, TXOconnor Ranch (Frio Cons.) | PluggedGas | 3,650 | May 22, 2003 | — | — |
| Burrows Gas Unit #142-175-33513 | Americo Energy Resources LLC | Goliad, TXOconnor Ranch (Frio Cons.) | Temporarily abandonedGas | 4,160 | Apr 16, 2003 | — | — |
| Tomball Gas Unit #2 #1D42-201-32528 | Americo Energy Resources LLC | Harris, TXTomball (Miocene 3320) | PluggedGas | 9,000 | Nov 26, 2002 | — | — |
| Guitar Trust Estate -D- #442-227-02777 | Americo Energy Resources LLC | Howard, TXVarel (San Andres) | PluggedOil | 3,250 | Jun 4, 2002 | — | — |
| Guitar Trust Estate -D- #9W42-227-30827 | Americo Energy Resources LLC | Howard, TXVarel (San Andres) | PluggedOil | 3,260 | Jun 4, 2002 | — | — |
| Womack W #342-469-33137 | Americo Energy Resources LLC | Victoria, TXMcFaddin East (5350) | Shut inOil | 7,500 | Feb 28, 2002 | — | — |
| Womack J. Y. #142-469-33128 | Americo Energy Resources LLC | Victoria, TXMcFaddin North (5200) | Temporarily abandonedGas | 7,500 | Jan 22, 2002 | — | — |
| Tomball Gas Unit #2 #1742-201-30383 | Americo Energy Resources LLC | Harris, TXTomball (Miocene 2040) | PluggedGas | 5,700 | Jan 8, 2002 | — | — |
| McFaddin -a- #6942-469-33631 | Americo Energy Resources LLC | Victoria, TXMcFaddin NW. (4950) | ActiveGas | 6,300 | Dec 27, 2001 | — | — |
| Treichel F. #742-201-00284 | Americo Energy Resources LLC | Harris, TXTomball (Miocene 1850) | PluggedGas | 5,607 | Oct 8, 2001 | — | — |
| Coleman Lucy M. #1WS42-335-34210 | Americo Energy Resources LLC | Mitchell, TXColeman Ranch N. (Clear Fork) | Shut inOil | 460 | Jan 4, 2001 | — | — |
| Johnathan #1-2635-011-22713 | Primexx Operating Corporation | Blaine, OK | PluggedGas | 9,866 | Nov 21, 2000 | — | — |
| Waldron S. 5 #542-227-32793 | Americo Energy Resources LLC | Howard, TXMoore (Deep Fslm) | Shut inOil | 10,202 | Sep 20, 2000 | — | — |
| Vindicator #10642-227-32794 | Americo Energy Resources LLC | Howard, TXMoore | Shut inOil | 10,325 | Sep 20, 2000 | — | — |
| Gaither #142-201-32591 | Americo Energy Resources LLC | Harris, TXTomball | ActiveInjection | 3,500 | May 1, 2000 | — | — |
| Coleman Ranch Unit #40942-335-34119 | Americo Energy Resources LLC | Mitchell, TXColeman Ranch | Shut inOil | 3,100 | Apr 21, 2000 | — | — |
| Coleman Ranch Unit #81842-335-34118 | Americo Energy Resources LLC | Mitchell, TXColeman Ranch | Shut inOil | 3,100 | Apr 10, 2000 | — | — |
| Coleman Ranch Unit #101042-335-34115 | Americo Energy Resources LLC | Mitchell, TXColeman Ranch | Shut inOil | 3,094 | Apr 6, 2000 | — | — |
| Bash #a 542-201-08004 | Americo Energy Resources LLC | Harris, TXDurkee (Fairbanks Sand) | ActiveInjection | 7,260 | Dec 16, 1999 | — | — |
| Meadors #1-2135-063-23454 | Primexx Operating Corporation | Hughes, OK | PluggedDry hole | 3,570 | Dec 6, 1999 | — | — |
| McFaddin J. A. -a- #5942-469-32921 | Americo Energy Resources LLC | Victoria, TXMcFaddin North (5100) | Temporarily abandonedGas | 6,508 | Oct 28, 1999 | — | — |
| Wheeler #1-935-063-23445 | Primexx Operating Corporation | Hughes, OK | PluggedDry hole | 2,295 | Aug 17, 1999 | — | — |
| Mc Faddin A. M. #a 1142-469-02302 | Americo Energy Resources LLC | Victoria, TXMcFaddin East (5450) | PluggedOil | 6,417 | Aug 3, 1999 | — | — |
| Tomball GU 2 #742-201-00148 | Americo Energy Resources LLC | Harris, TXTomball (Miocene 3400) | PluggedGas | 5,580 | Jun 14, 1999 | — | — |
| Doege E. #542-201-00080 | Americo Energy Resources LLC | Harris, TXTomball (Miocene 1750) | PluggedGas | 5,580 | Jun 4, 1999 | — | — |
| McFaddin A. M. #a 18 U42-469-02316 | Americo Energy Resources LLC | Victoria, TXMcFaddin East (5725) | Shut inOil | 6,020 | Jan 12, 1999 | — | — |
| McFaddin -a- #6742-469-33381 | Americo Energy Resources LLC | Victoria, TXMcFaddin North (3750) | ActiveGas | 5,210 | Dec 14, 1998 | — | — |
| McFaddin A. M. #a 1342-469-02325 | Americo Energy Resources LLC | Victoria, TXMcFaddin East (5250) | Temporarily abandonedGas | 6,417 | Sep 11, 1998 | — | — |
| Tomball Gas Unit 2 #1X42-201-32543 | Americo Energy Resources LLC | Harris, TXTomball (Vicksburg 4050) | PluggedGas | 6,000 | Sep 2, 1998 | — | — |
| Coleman Ranch Unit #71042-335-34054 | Americo Energy Resources LLC | Mitchell, TXColeman Ranch | Shut inOil | 3,100 | Apr 8, 1998 | — | — |
| Baker #235-053-22307 | Primexx Operating Corporation | Grant, OK | PluggedOil | 5,178 | Dec 8, 1997 | — | — |
| Bash Unit #a 642-201-31756 | Americo Energy Resources LLC | Harris, TXDurkee (DY Sand) | Temporarily abandonedGas | 8,257 | Dec 8, 1997 | — | — |
| Hoffman W. E. #142-201-00364 | Americo Energy Resources LLC | Harris, TXTomball (Petrich NW.) | PluggedOil | 5,577 | Nov 19, 1997 | — | — |
| Susie PI-Hoodle #1-135-015-22038 | Primexx Operating Corporation | Caddo, OK | PluggedGas | 13,438 | Aug 15, 1997 | — | — |
| McDonald #335-053-22310 | Primexx Operating Corporation | Grant, OK | CanceledNo type on file | 5,200 | Jun 16, 1997 | — | — |
| Alden Bromide Unit (G Dyer 2) #4-235-015-36629 | Primexx Operating Corporation | Caddo, OK | PluggedOil | 9,100 | May 12, 1997 | — | — |
| Coleman Ranch Unit #141942-335-33946 | Americo Energy Resources LLC | Mitchell, TXColeman Ranch | Shut inOil | 3,100 | Apr 23, 1997 | — | — |
| Coleman Ranch Unit #20842-335-33942 | Americo Energy Resources LLC | Mitchell, TXColeman Ranch | Shut inOil | 3,200 | Apr 1, 1997 | — | — |
| Coleman Ranch Unit #60842-335-33932 | Americo Energy Resources LLC | Mitchell, TXColeman Ranch | ActiveOil | 3,100 | Mar 19, 1997 | — | — |