| University 54 21 #242-413-32716 | Enervest Operating L.L.C. | Schleicher, TXKelley (Ellenburger) | PluggedGas | 8,275 | Dec 10, 2010 | — | — |
| Jennifer Stewart Gas Unit #1842-203-35011 | Enervest Operating, L.L.C. | Harrison, TXOak Hill (Cotton Valley) | Not on schedule | 11,720 | Sep 8, 2010 | — | — |
| Hunt Gas Unit #2042-203-35005 | Enervest Operating, L.L.C. | Harrison, TXOak Hill (Cotton Valley) | Not on schedule | 11,650 | Aug 26, 2010 | — | — |
| James A. Ruppe, et al #342-203-35007 | Enervest Operating, L.L.C. | Harrison, TXLansing, North (Travis Peak) | Not on schedule | 9,750 | Aug 25, 2010 | — | — |
| Sprankle #2HZ42-477-30717 | Enervest Operating L.L.C. | Washington, TXGiddings (Austin Chalk-3) | PluggedOil | 12,000 | May 26, 2010 | — | — |
| Jarrell #a 142-401-35109 | Enervest Operating, L.L.C. | Rusk, TXBrachfield, S.E. (Cotton Valley) | Not on schedule | 13,000 | Apr 2, 2010 | — | — |
| Weedon-Weedon Unit #1REHZ42-041-31487 | Enervest Operating L.L.C. | Brazos, TXGiddings (Austin Chalk-3) | PluggedOil | 14,600 | Feb 12, 2009 | — | — |
| Hart Gas Unit #1742-203-34725 | Enervest Operating, L.L.C. | Harrison, TXOak Hill (Cotton Valley) | Not on schedule | 11,500 | Oct 31, 2008 | — | — |
| Jones Gas Unit #542-203-34714 | Enervest Operating, L.L.C. | Harrison, TXOak Hill (Cotton Valley) | Not on schedule | 11,500 | Oct 24, 2008 | — | — |
| Studhalter #142-477-30974 | Enervest Operating, L.L.C. | Washington, TX | Not on schedule | 5,500 | Oct 7, 2008 | — | — |
| Hart Gas Unit #1242-203-34677 | Enervest Operating, L.L.C. | Harrison, TXOak Hill (Cotton Valley) | Not on schedule | 11,000 | Oct 6, 2008 | — | — |
| Schultz, Walter #142-477-30975 | Enervest Operating, L.L.C. | Washington, TX | Not on schedule | 5,500 | Oct 4, 2008 | — | — |
| Theresa Pawelek Unit #142-255-31584 | Enervest Operating L.L.C. | Karnes, TXPerson (Edwards) | PluggedOil | 11,200 | Jun 21, 2008 | — | — |
| Markey Gas Unit #142-401-34778 | Enervest Operating, L.L.C. | Rusk, TX | Not on schedule | 9,500 | Jun 4, 2008 | — | — |
| Basin Royalty #50342-483-32636 | Enervest Operating L.L.C. | Wheeler, TXFrye Ranch (Consolidated) | PluggedGas | 16,200 | Apr 24, 2008 | — | — |
| University 6-1 #142-165-36887 | Enervest Operating L.L.C. | Gaines, TXSpraberry (Trend Area) | PluggedOil | 18,000 | Mar 20, 2008 | — | — |
| Pyramid Acres Unit 4 #403HHZ42-439-33187 | Enervest Operating L.L.C. | Tarrant, TXNewark East (Barnett Shale) | PluggedGas | 9,000 | Mar 13, 2008 | — | — |
| Terry-Terry Unit #2HZ42-041-32007 | Enervest Operating L.L.C. | Brazos, TXGiddings (Austin Chalk-3) | PluggedOil | 16,000 | Feb 11, 2008 | — | — |
| Canyon Ranch 115 #25S42-435-38803 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 7,000 | Dec 13, 2007 | — | — |
| Canyon Ranch 114 #5S42-435-38728 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 7,000 | Oct 19, 2007 | — | — |
| Alexander Ranch #201HHZ42-367-34571 | Enervest Operating L.L.C. | Parker, TXNewark East (Barnett Shale) | PluggedGas | 9,000 | Oct 15, 2007 | — | — |
| Terry-Terry Unit #1HZ42-041-31544 | Enervest Operating L.L.C. | Brazos, TXGiddings (Austin Chalk Gas) | PluggedGas | 15,600 | Oct 8, 2007 | — | — |
| Bouquillas #142-185-30721 | Enervest Operating L.L.C. | Grimes, TXBevans Ranch (2200) | PluggedGas | 3,900 | Sep 20, 2007 | — | — |
| Young 32 #142-483-31394 | Enervest Operating L.L.C. | Wheeler, TXWheeler Ne.(k.c.) | PluggedOil | 12,410 | Aug 10, 2007 | — | — |
| Rocky Creek Unit B #9 HHZ42-439-32309 | Enervest Operating L.L.C. | Tarrant, TXNewark East (Barnett Shale) | PluggedGas | 9,000 | Jun 21, 2007 | — | — |
| Mittel #150342-435-38556 | Enervest Operating L.L.C. | Sutton, TXSonora (Canyon Upper) | PluggedGas | 7,550 | Jun 15, 2007 | — | — |
| Cole 66 #142-211-33927 | Enervest Operating L.L.C. | Hemphill, TXBegert (10 200) | PluggedGas | 13,000 | Jun 14, 2007 | — | — |
| Country Corners Unit #1HHZ42-439-32240 | Enervest Operating L.L.C. | Tarrant, TXNewark East (Barnett Shale) | PluggedGas | 9,000 | May 17, 2007 | — | — |
| Country Corners Unit #2 HHZ42-439-32241 | Enervest Operating L.L.C. | Tarrant, TXNewark East (Barnett Shale) | PluggedGas | 9,000 | May 17, 2007 | — | — |
| Davis B #1242-435-38396 | Enervest Operating L.L.C. | Sutton, TXSonora (Canyon Upper) | PluggedGas | 6,450 | Mar 29, 2007 | — | — |
| Fcolu #84042-081-31898 | Enervest Operating, L.L.C. | Coke, TXFort Chadbourne | Not on schedule | 5,800 | Mar 14, 2007 | — | — |
| Fcolu #A11142-399-35037 | Enervest Operating, L.L.C. | Runnels, TXFort Chadbourne | Not on schedule | 5,800 | Mar 14, 2007 | — | — |
| Fcolu #84942-081-31897 | Enervest Operating, L.L.C. | Coke, TXFort Chadbourne | Not on schedule | 5,800 | Mar 13, 2007 | — | — |
| Livestock K. D. #3 HHZ42-251-31496 | Enervest Operating L.L.C. | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 10,000 | Feb 8, 2007 | — | — |
| Flowers 33 #142-211-33817 | Enervest Operating L.L.C. | Hemphill, TXHemphill (Douglas) | PluggedOil | 9,450 | Jan 10, 2007 | — | — |
| Davis #1742-435-38254 | Enervest Operating L.L.C. | Sutton, TXSonora (Canyon Upper) | PluggedGas | 6,450 | Jan 3, 2007 | — | — |
| Commander Unit #1HHZ42-367-34274 | Enervest Operating L.L.C. | Parker, TXNewark East (Barnett Shale) | PluggedGas | 7,200 | Dec 11, 2006 | — | — |
| Hopkins Mary #142-497-36163 | Enervest Operating L.L.C. | Wise, TXNewark East (Barnett Shale) | PluggedGas | 9,000 | Nov 2, 2006 | — | — |
| Heffner #3 HHZ42-251-31267 | Enervest Operating L.L.C. | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 7,700 | Oct 23, 2006 | — | — |
| Shaw, R. W. #242-401-34110 | Enervest Operating, L.L.C. | Rusk, TXMinden (Cotton Valley Cons.) | Not on schedule | 12,000 | Oct 18, 2006 | — | — |
| Shaw, R. W. #342-401-34111 | Enervest Operating, L.L.C. | Rusk, TXMinden (Cotton Valley Cons.) | Not on schedule | 12,000 | Oct 18, 2006 | — | — |
| Shaw, R. W. #442-401-34112 | Enervest Operating, L.L.C. | Rusk, TXMinden (Cotton Valley Cons.) | Not on schedule | 12,000 | Oct 18, 2006 | — | — |
| Shaw, R. W. #542-401-34113 | Enervest Operating, L.L.C. | Rusk, TXMinden (Cotton Valley Cons.) | Not on schedule | 12,000 | Oct 18, 2006 | — | — |
| Fcolu #804842-081-31881 | Enervest Operating, L.L.C. | Coke, TXFort Chadbourne | Not on schedule | 5,700 | Oct 4, 2006 | — | — |
| Heffner #2 HHZ42-251-31196 | Enervest Operating L.L.C. | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 8,000 | Sep 15, 2006 | — | — |
| Fort Chadbourne Odom Lime Unit #805842-081-31880 | Enervest Operating, L.L.C. | Coke, TXFort Chadbourne | Not on schedule | 5,600 | Sep 12, 2006 | — | — |
| Kelly 102 #1942-435-37691 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 6,750 | Sep 6, 2006 | — | — |
| K Bar #1HHZ42-337-33866 | Enervest Operating L.L.C. | Montague, TXNewark East (Barnett Shale) | PluggedGas | 9,000 | Aug 28, 2006 | — | — |
| Heffner #1HHZ42-251-31151 | Enervest Operating L.L.C. | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 8,000 | Aug 24, 2006 | — | — |
| Fcolu #110942-399-34998 | Enervest Operating, L.L.C. | Runnels, TXFort Chadbourne | Not on schedule | 5,700 | Aug 15, 2006 | — | — |