| Dennis Unit D Dim #1HHZ42-127-34966 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,724 | Jul 16, 2012 | — | — |
| Berdoll Dim #b 1HHZ42-127-34955 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,233 | Jul 10, 2012 | — | — |
| Holdsworth Nelson Trust Zav #a 1HHZ42-507-32914 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,833 | Jun 25, 2012 | — | — |
| Tauber Unit C Dim #3HHZ42-127-34881 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,660 | Jun 13, 2012 | — | — |
| Berdoll Dim #a 1HHZ42-127-34877 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,196 | Jun 12, 2012 | — | — |
| Winterbotham Zav #b 1HHZ42-507-32908 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,557 | Jun 11, 2012 | — | — |
| Traylor South Zav #b 1HHZ42-507-32909 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,556 | Jun 9, 2012 | — | — |
| Silva Unit Dim #1HHZ42-127-34844 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,588 | Jun 1, 2012 | — | — |
| Tauber Unit E Dim #4HHZ42-127-34842 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,612 | May 31, 2012 | — | — |
| Dennis Dim #a 1HHZ42-127-34830 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,549 | May 29, 2012 | — | — |
| Bayou Rouge Unit G Zav #1HHZ42-507-32905 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,276 | May 25, 2012 | — | — |
| Traylor South Zav #b 3HHZ42-507-32904 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,705 | May 21, 2012 | — | — |
| Votaw Unit a Dim #1HHZ42-127-34772 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,602 | May 11, 2012 | — | — |
| Kim Dim #b 1HHZ42-127-34734 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,206 | May 3, 2012 | — | — |
| Dennis Unit B Dim #1HHZ42-127-34739 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,716 | Apr 25, 2012 | — | — |
| Winterbotham Zav #d 2HHZ42-507-32892 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,689 | Apr 18, 2012 | — | — |
| Winterbotham Zav #o 1HHZ42-507-32894 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,193 | Apr 18, 2012 | — | — |
| Winterbotham Zav #o 5HHZ42-507-32895 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,028 | Apr 18, 2012 | — | — |
| Holdsworth Homestead Zav #a 4HHZ42-507-32891 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,238 | Apr 13, 2012 | — | — |
| Holdsworth Homestead Zav #a 1HHZ42-507-32889 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,214 | Apr 5, 2012 | — | — |
| Tauber Unit a Dim #5HHZ42-127-34645 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,687 | Mar 29, 2012 | — | — |
| Howett Unit Zav F #3HHZ42-507-32885 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,635 | Mar 28, 2012 | — | — |
| Richter Unit B Zav #1HHZ42-507-32883 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,629 | Mar 24, 2012 | — | — |
| Winterbotham Zav #m 5HHZ42-507-32879 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,056 | Mar 22, 2012 | — | — |
| Peters Unit B Zav #a 3HHZ42-507-32876 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,210 | Mar 16, 2012 | — | — |
| KM North Zav #a 1HHZ42-507-32871 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,184 | Mar 2, 2012 | — | — |
| Peters Unit Zav #a 1HHZ42-507-32870 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,205 | Mar 1, 2012 | — | — |
| KM North Zav #a 5HHZ42-507-32869 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,141 | Feb 28, 2012 | — | — |
| Winterbotham Zav #m 1HHZ42-507-32867 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,983 | Feb 16, 2012 | — | — |
| Pickens Zav #f 1HHZ42-507-32865 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,539 | Feb 10, 2012 | — | — |
| Teague Unit B Zav #1HHZ42-507-32861 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,247 | Jan 12, 2012 | — | — |
| Traylor South Zav #j 1HHZ42-507-32860 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,602 | Jan 6, 2012 | — | — |
| Traylor North #i 5HHZ42-507-32859 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,642 | Dec 28, 2011 | — | — |
| Traylor North #i 1HHZ42-507-32858 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,686 | Dec 27, 2011 | — | — |
| Traylor South Zav #a 3HHZ42-507-32855 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,573 | Dec 19, 2011 | — | — |
| Cameron Minerals SU #1042-347-33299 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveObservation | 14,380 | Dec 6, 2011 | — | — |
| Park West SU #1 HHZ42-405-30485 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,576 | Dec 6, 2011 | — | — |
| Traylor South Zav #c 5HHZ42-507-32852 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,629 | Nov 18, 2011 | — | — |
| Traylor South Zav #i 1HHZ42-507-32851 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,710 | Nov 17, 2011 | — | — |
| Traylor South Zav #h 1HHZ42-507-32850 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,665 | Nov 15, 2011 | — | — |
| Traylor North #d 5HHZ42-507-32848 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,280 | Nov 10, 2011 | — | — |
| Traylor North #d 2HHZ42-507-32849 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,370 | Nov 10, 2011 | — | — |
| Traylor West Zav a #4HHZ42-507-32847 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,484 | Nov 9, 2011 | — | — |
| Traylor South Zav #a 4HHZ42-507-32845 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,715 | Nov 8, 2011 | — | — |
| Traylor South Zav #b 4HHZ42-507-32844 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,514 | Nov 7, 2011 | — | — |
| Traylor North #f 3HHZ42-507-32837 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,721 | Oct 13, 2011 | — | — |
| Brent Miller Unit A6 #2HHZ42-347-33285 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,690 | Oct 6, 2011 | — | — |
| Brent Miller Unit A6 #3HHZ42-347-33286 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,649 | Oct 6, 2011 | — | — |
| Brent Miller Unit A6 #1HHZ42-347-33281 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,711 | Sep 21, 2011 | — | — |
| Traylor South Zav #f 1HHZ42-507-32829 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,729 | Sep 21, 2011 | — | — |