| El Camino Real Unit #1HHZ42-347-33241 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,751 | May 6, 2011 | — | — |
| Baker Unit #1HHZ42-347-33238 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,142 | Apr 28, 2011 | — | — |
| Jenkins Unit #1HHZ42-347-33236 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,909 | Apr 20, 2011 | — | — |
| Teal Unit #1HHZ42-405-30430 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,957 | Mar 25, 2011 | — | — |
| Badders Family Unit #1HHZ42-347-33232 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,267 | Mar 24, 2011 | — | — |
| Wallace Unit #2HHZ42-347-33229 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,884 | Mar 15, 2011 | — | — |
| Haynes Unit #1HHZ42-347-33227 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,420 | Mar 9, 2011 | — | — |
| Victoria Anne Unit #1HHZ42-405-30426 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,638 | Mar 7, 2011 | — | — |
| Briggs Unit #1HHZ42-405-30422 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,594 | Mar 2, 2011 | — | — |
| Kendrick Unit #1HHZ42-347-33219 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,700 | Feb 9, 2011 | — | — |
| Clayton et al Unit #1HHZ42-347-33218 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,629 | Feb 1, 2011 | — | — |
| Bennett Gas Unit #2HHZ42-405-30409 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,683 | Jan 28, 2011 | — | — |
| Hanna Unit #1HHZ42-347-33217 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,360 | Jan 26, 2011 | — | — |
| Dorothy Unit #1HHZ42-347-33211 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,012 | Jan 6, 2011 | — | — |
| Jeannine #1HHZ42-419-31638 | Apex Natural Gas LLC | Shelby, TXCarthage (Haynesville Shale) | ActiveGas | 12,546 | Dec 9, 2010 | — | — |
| Trainer Trust #2HHZ42-347-33203 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,335 | Dec 7, 2010 | — | — |
| Coffman Unit #1HHZ42-347-33201 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,200 | Nov 29, 2010 | — | — |
| Stanaland Trust Unit #1HHZ42-347-33194 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,067 | Nov 17, 2010 | — | — |
| Sunrise Gas Unit #1HHZ42-405-30393 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,536 | Nov 16, 2010 | — | — |
| 4M Tall Pines Gas Unit #1HHZ42-347-33192 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,391 | Nov 1, 2010 | — | — |
| Leigh Elizabeth Gas Unit #1HHZ42-405-30390 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,578 | Oct 20, 2010 | — | — |
| Hill Gas Unit #5HHZ42-347-33189 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 12,934 | Oct 19, 2010 | — | — |
| Hill Gas Unit #4HHZ42-347-33188 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,290 | Oct 18, 2010 | — | — |
| Edgar Unit #1HHZ42-347-33183 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,648 | Sep 2, 2010 | — | — |
| Kurth Investments Unit #1HHZ42-347-33182 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | Temporarily abandonedGas | 13,607 | Aug 20, 2010 | — | — |
| Hill Gas Unit #7HHZ42-347-33180 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 12,984 | Aug 9, 2010 | — | — |
| McKinney Gas Unit #1HHZ42-405-30368 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,778 | Aug 9, 2010 | — | — |
| Lauren Alston Unit #2HHZ42-347-33178 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | Temporarily abandonedGas | 13,718 | Jul 30, 2010 | — | — |
| Marvin Hardy Gas Unit #1HHZ42-405-30361 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,720 | Jul 1, 2010 | — | — |
| Christine #1HHZ42-419-31606 | Apex Natural Gas LLC | Shelby, TXCarthage (Haynesville Shale) | ActiveGas | 12,294 | Jun 25, 2010 | — | — |
| Irvine Unit #1HHZ42-347-33174 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,509 | Jun 21, 2010 | — | — |
| Lauren Alston Unit #1HHZ42-347-33173 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,173 | Jun 17, 2010 | — | — |
| Hill Gas Unit #3HHZ42-347-33172 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,313 | Jun 11, 2010 | — | — |
| Catherine #1HHZ42-419-31598 | Apex Natural Gas LLC | Shelby, TXCarthage (Haynesville Shale) | ActiveGas | 12,440 | Jun 3, 2010 | — | — |
| Crane et al #2HHZ42-347-33170 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | Temporarily abandonedGas | 13,996 | Jun 2, 2010 | — | — |
| Sutton Unit #1HHZ42-347-33169 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,456 | May 28, 2010 | — | — |
| Henderson Trust Unit #1HHZ42-347-33164 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,188 | May 6, 2010 | — | — |
| Murray Gas Unit #2HHZ42-347-33163 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,763 | May 5, 2010 | — | — |
| Trainer Trust #1HHZ42-347-33162 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,358 | Apr 30, 2010 | — | — |
| Freeman Farms Gas Unit #1HHZ42-405-30340 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,774 | Apr 21, 2010 | — | — |
| Leinart Unit #1HHZ42-347-33156 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 15,177 | Apr 9, 2010 | — | — |
| Atkinson Unit #1HHZ42-347-33157 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,408 | Apr 9, 2010 | — | — |
| Aclco Unit #1HHZ42-347-33153 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,470 | Apr 5, 2010 | — | — |
| Hassell Gas Unit #7HHZ42-347-33150 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,040 | Mar 16, 2010 | — | — |
| Walters Gas Unit #1HHZ42-405-30331 | Apex Natural Gas LLC | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,804 | Mar 15, 2010 | — | — |
| Crane et al #1HHZ42-347-33141 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,351 | Feb 10, 2010 | — | — |
| Murray Gas Unit #1HHZ42-347-33137 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,152 | Feb 1, 2010 | — | — |
| Hassell Gas Unit #5HHZ42-347-33135 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,402 | Jan 19, 2010 | — | — |
| Hassell Gas Unit #3HHZ42-347-33110 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,269 | Oct 6, 2009 | — | — |
| Hassell Gas Unit #2HHZ42-347-33109 | Apex Natural Gas LLC | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 12,925 | Oct 5, 2009 | — | — |