| 247 Land Co. #1HZ42-313-30743 | Enervest Operating L.L.C. | MadisonFort Trinidad East (Buda) | PluggedOil | 14,697 | Aug 29, 2005 | 5 | Apr 2009 |
| Prater #601042-211-33367 | Enervest Operating L.L.C. | HemphillBuffalo Wallow (Granite Wash) | PluggedGas | 13,150 | Jul 19, 2005 | 1 | Sep 2013 |
| Yegua-Schawe Unit #1HZ42-051-33392 | Enervest Operating L.L.C. | BurlesonClay NE (Austin Chalk 11350) | PluggedGas | 11,500 | Mar 23, 2005 | 4 | Oct 2013 |
| Yegua-Porter Unit #1REHZ42-051-33406 | Enervest Operating L.L.C. | BurlesonGiddings (Austin Chalk-3) | PluggedOil | 11,800 | Feb 10, 2005 | 3 | Oct 2012 |
| Nelson #1 HHZ42-439-31117 | Enervest Operating L.L.C. | TarrantNewark East (Barnett Shale) | PluggedGas | 8,000 | Jan 25, 2005 | 1 | May 2011 |
| Canyon Ranch 114 #12 S42-435-37223 | Enervest Operating L.L.C. | SuttonSawyer (Canyon) | PluggedGas | 6,950 | Dec 20, 2004 | 1 | Aug 2009 |
| Canyon Ranch 114 #11S42-435-37227 | Enervest Operating L.L.C. | SuttonSawyer (Canyon) | PluggedGas | 6,900 | Dec 20, 2004 | 1 | Jul 2006 |
| Beall #1 HHZ42-367-33634 | Enervest Operating L.L.C. | ParkerNewark East (Barnett Shale) | PluggedGas | 8,000 | Dec 17, 2004 | 1 | Jan 2008 |
| Lohberger #442-483-30583 | Enervest Operating L.L.C. | WheelerDyco (Granite Wash) | PluggedGas | 15,000 | Oct 26, 2004 | 2 | Oct 2013 |
| Gibson-Perrigo Unit (Companion) #1HHZ42-439-30883 | Enervest Operating L.L.C. | TarrantNewark East (Barnett Shale) | PluggedGas | 7,600 | Jun 30, 2004 | 2 | Apr 2006 |
| Prater #201042-211-33002 | Enervest Operating L.L.C. | HemphillBuffalo Wallow (Granite Wash) | PluggedGas | 12,350 | Jun 8, 2004 | 2 | Sep 2013 |
| Mittel Ben #542-435-36845 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 6,700 | Apr 28, 2004 | 1 | Sep 2007 |
| Stranger T. Unit #3HZ42-287-31299 | Enervest Operating L.L.C. | LeeGiddings (Austin Chalk Gas) | PluggedGas | 11,700 | Jan 8, 2004 | 4 | Apr 2004 |
| Sauder Jay #1HZ42-497-35452 | Enervest Operating L.L.C. | WiseNewark East (Barnett Shale) | PluggedGas | 8,400 | Nov 18, 2003 | 2 | Apr 2009 |
| Bing Unit #1REHZ42-149-31481 | Enervest Operating L.L.C. | FayetteGiddings (Austin Chalk-3) | PluggedOil | 15,000 | Oct 8, 2003 | 7 | Aug 2006 |
| Sauder Alane #3HZ42-497-35390 | Enervest Operating L.L.C. | WiseNewark East (Barnett Shale) | PluggedGas | 8,400 | Sep 10, 2003 | 1 | Apr 2014 |
| Carter Unit #242-497-35357 | Enervest Operating L.L.C. | WiseNewark East (Barnett Shale) | PluggedGas | 8,800 | Aug 6, 2003 | 1 | Nov 2009 |
| Edgmon-Cameron Unit #5HHZ42-287-31105 | Enervest Operating L.L.C. | LeeGiddings (Austin Chalk-3) | PluggedOil | 9,300 | Jun 17, 2003 | 5 | Sep 2010 |
| Carter Unit #342-497-35245 | Enervest Operating L.L.C. | WiseNewark East (Barnett Shale) | PluggedGas | 8,800 | Apr 11, 2003 | 1 | Jun 2004 |
| Rotello #1HHZ42-041-31833 | Enervest Operating L.L.C. | BrazosNavasota River (Cretaceous Lwr.) | PluggedGas | 16,150 | Feb 5, 2003 | 2 | Jan 2011 |
| Lindsley A771 #142-097-33605 | Enervest Operating L.L.C. | CookeSt. JO Ridge (Barnett Shale) | PluggedGas | 9,000 | Dec 30, 2002 | 2 | Aug 2008 |
| Meckel a #5642-435-36103 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 6,300 | Nov 26, 2002 | 2 | Aug 2008 |
| Ridge Judah #2HZ42-439-30522 | Enervest Operating L.L.C. | TarrantNewark East (Barnett Shale) | PluggedGas | 9,800 | Nov 26, 2002 | 2 | Jun 2011 |
| Jones-Neeley #142-121-31726 | Enervest Operating L.L.C. | DentonNewark East (Barnett Shale) | PluggedGas | 9,500 | Nov 12, 2002 | 1 | Mar 2012 |
| Davis C #3642-435-35997 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 6,425 | Aug 27, 2002 | 1 | Feb 2008 |
| Canyon Ranch #1103E42-137-31632 | Enervest Operating L.L.C. | EdwardsFrances Hill (Penn) | PluggedGas | 6,500 | Jul 16, 2002 | 1 | May 2010 |
| Canyon Ranch #1124E42-137-31634 | Enervest Operating L.L.C. | EdwardsJack Rabbit (Holman) | PluggedGas | 7,200 | Jul 16, 2002 | 2 | Aug 2010 |
| Allison 54 #742-435-35944 | Enervest Operating L.L.C. | SuttonSawyer (Canyon) | PluggedGas | 6,200 | Jul 8, 2002 | 1 | Oct 2008 |
| Texas Properties #142-121-31570 | Enervest Operating L.L.C. | DentonNewark East (Barnett Shale) | PluggedGas | 8,300 | Jun 14, 2002 | 1 | Jan 2013 |
| N. Hilton Unit a-350 #1HZ42-241-30673 | Enervest Operating L.L.C. | JasperBrookeland (Austin Chalk 8800) | PluggedGas | 13,200 | May 31, 2002 | 2 | Feb 2008 |
| Browder Dearing #a 142-367-33420 | Enervest Operating L.L.C. | ParkerNewark East (Barnett Shale) | PluggedGas | 7,500 | May 31, 2002 | 1 | Nov 2011 |
| Meckel a #4342-435-35892 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 6,350 | May 16, 2002 | 1 | Jan 2008 |
| Edwards #a 142-367-33418 | Enervest Operating L.L.C. | ParkerNewark East (Barnett Shale) | PluggedGas | 7,500 | May 3, 2002 | 1 | Apr 2004 |
| Kirby 183 #642-435-35802 | Enervest Operating L.L.C. | SuttonSawyer (Canyon) | PluggedGas | 7,700 | Mar 7, 2002 | 1 | Apr 2003 |
| Meckel a #3642-435-35777 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 6,400 | Feb 14, 2002 | 1 | Feb 2008 |
| Davis C #2342-435-35743 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 6,300 | Jan 25, 2002 | 1 | Mar 2009 |
| Davis C #2242-435-35722 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 6,300 | Dec 27, 2001 | 1 | Mar 2009 |
| Hegar #1HHZ42-185-30452 | Enervest Operating L.L.C. | GrimesNavasota River (Cretaceous Lwr.) | PluggedGas | 16,500 | Nov 9, 2001 | 3 | Jul 2010 |
| Flanagan #142-121-31245 | Enervest Operating L.L.C. | DentonNewark East (Barnett Shale) | PluggedGas | 8,200 | Nov 1, 2001 | 1 | Aug 2016 |
| Caswell #242-497-34816 | Enervest Operating L.L.C. | WiseNewark East (Barnett Shale) | PluggedGas | 8,500 | Oct 29, 2001 | 1 | Apr 2009 |
| Wade L. S. #1REHZ42-041-31611 | Enervest Operating L.L.C. | BrazosNavasota River (Cretaceous Lwr.) | PluggedGas | 15,300 | Sep 19, 2001 | 3 | Jun 2012 |
| Lee Luther #142-121-31184 | Enervest Operating L.L.C. | DentonNewark East (Barnett Shale) | PluggedGas | 8,500 | Sep 19, 2001 | 1 | Jan 2013 |
| Clay Creek #1HZ42-477-30569 | Enervest Operating L.L.C. | WashingtonGiddings (Austin Chalk Gas) | PluggedGas | 16,500 | Jul 27, 2001 | 3 | May 2011 |
| Allison 54 #442-435-35486 | Enervest Operating L.L.C. | SuttonSawyer (Canyon) | PluggedGas | 6,200 | May 3, 2001 | 1 | Nov 2005 |
| Waggoner Crystelle #142-497-34657 | Enervest Operating L.L.C. | WiseNewark East (Barnett Shale) | PluggedGas | 8,250 | Apr 2, 2001 | 1 | Oct 2007 |
| Davis C #1142-435-35435 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 7,000 | Mar 27, 2001 | 1 | Aug 2008 |
| Davis C #1642-435-35437 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 7,050 | Mar 27, 2001 | 1 | Mar 2009 |
| Davis C #1242-435-35392 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 7,000 | Feb 23, 2001 | 1 | Nov 2005 |
| Meckel #5042-435-35309 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 6,900 | Dec 1, 2000 | 1 | — |
| Meckel #5342-435-35312 | Enervest Operating L.L.C. | SuttonSonora (Canyon Upper) | PluggedGas | 6,900 | Dec 1, 2000 | 1 | Oct 2005 |