| Traylor West Zav C #4HHZ42-507-32823 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,135 | Sep 8, 2011 | — | — |
| Traylor West Zav C #1HHZ42-507-32824 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,348 | Sep 8, 2011 | — | — |
| Monte Lenoso Fro C #1HHZ42-163-33522 | Exco Operating Company LP | Frio, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,654 | Sep 7, 2011 | — | — |
| Traylor South Zav #f 5HHZ42-507-32819 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,705 | Sep 1, 2011 | — | — |
| Traylor West Zav G #1HHZ42-507-32821 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,246 | Aug 31, 2011 | — | — |
| Winterbotham Zav #a 4HHZ42-507-32818 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,611 | Aug 30, 2011 | — | — |
| Cameron Minerals SU #6HHZ42-347-33276 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,197 | Aug 25, 2011 | — | — |
| Cameron Minerals SU #3HBHZ42-347-33277 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,618 | Aug 25, 2011 | — | — |
| Cameron Minerals SU #7HBHZ42-347-33278 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,635 | Aug 25, 2011 | — | — |
| Cameron Minerals SU #9HBHZ42-347-33279 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,688 | Aug 25, 2011 | — | — |
| Cameron Minerals SU #5HBHZ42-347-33280 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 13,644 | Aug 25, 2011 | — | — |
| Dennis SU #1HRHZ42-405-30465 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,317 | Aug 25, 2011 | — | — |
| Cameron Minerals SU #4HHZ42-347-33274 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | Temporarily abandonedGas | 14,056 | Aug 17, 2011 | — | — |
| Cameron Minerals SU #8HHZ42-347-33275 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,084 | Aug 17, 2011 | — | — |
| Bayou Rouge Unit I Zav #1HHZ42-507-32816 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,241 | Aug 17, 2011 | — | — |
| Cameron Minerals SU #2HHZ42-347-33273 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,025 | Aug 16, 2011 | — | — |
| York SU #2HBHZ42-405-30457 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,115 | Aug 15, 2011 | — | — |
| Winterbotham Zav #a 1HHZ42-507-32814 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,548 | Aug 11, 2011 | — | — |
| Brown-Weeks SU (Alloc) #1HHZ42-405-30463 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,490 | Aug 3, 2011 | — | — |
| Traylor North #a 2HHZ42-507-32809 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,901 | Jul 29, 2011 | — | — |
| Traylor North #a 4HHZ42-507-32810 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,838 | Jul 29, 2011 | — | — |
| LLM Zav #e 3HHZ42-507-32805 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,203 | Jul 25, 2011 | — | — |
| LLM Zav #e 6HHZ42-507-32806 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,187 | Jul 25, 2011 | — | — |
| Bayou Rouge Unit C Zav #1HHZ42-507-32807 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,102 | Jul 25, 2011 | — | — |
| Richter Unit a Zav #1HHZ42-507-32808 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,588 | Jul 25, 2011 | — | — |
| David Holdsworth Zav #1HHZ42-507-32801 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,136 | Jul 11, 2011 | — | — |
| Stansbury SU #1HHZ42-405-30460 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 12,949 | Jul 8, 2011 | — | — |
| Old River Ranch Dim #a 1HHZ42-127-34186 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,631 | Jul 6, 2011 | — | — |
| Old River Ranch Dim #c 1HHZ42-127-34168 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,593 | Jun 30, 2011 | — | — |
| Walker SU C #1HHZ42-347-33259 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,315 | Jun 30, 2011 | — | — |
| Walker SU B #1HHZ42-347-33258 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,349 | Jun 29, 2011 | — | — |
| Red River 575 SU #1HBHZ42-405-30455 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 12,615 | Jun 21, 2011 | — | — |
| Gonzalez Unit a Dim #1HHZ42-127-34160 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | PluggedOil | 9,000 | Jun 20, 2011 | — | — |
| Von Rosenberg Unit a Dim #1HHZ42-127-34149 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | PluggedOil | 9,000 | Jun 14, 2011 | — | — |
| Gomez SU C #1HHZ42-347-33254 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,967 | Jun 13, 2011 | — | — |
| Bayou Rouge Unit B Zav #1HHZ42-507-32796 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,152 | Jun 8, 2011 | — | — |
| Watson SU #1HHZ42-405-30438 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,075 | Jun 7, 2011 | — | — |
| Fitzallen SU #1HHZ42-405-30437 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,090 | Jun 6, 2011 | — | — |
| Thomas SU #1 HHZ42-405-30444 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 12,801 | Jun 6, 2011 | — | — |
| Westwind Unit Zav #1HHZ42-507-32794 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,306 | May 27, 2011 | — | — |
| Gomez SU a #2HBHZ42-347-33248 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,411 | May 24, 2011 | — | — |
| Allee Dim C #1HHZ42-127-34105 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,738 | May 19, 2011 | — | — |
| Hopkins SU #1HHZ42-405-30450 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | Temporarily abandonedGas | 12,919 | May 19, 2011 | — | — |
| Rangel Unit a Zav #1HHZ42-507-32792 | Exco Operating Company LP | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,163 | May 18, 2011 | — | — |
| Walker SU H #1 HHZ42-347-33244 | Exco Operating Company LP | Nacogdoches, TXCarthage (Haynesville Shale) | ActiveGas | 14,545 | May 13, 2011 | — | — |
| Sanford Unit Dim #1HHZ42-127-34094 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,374 | May 12, 2011 | — | — |
| Platt SU #1HHZ42-405-30447 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,120 | May 11, 2011 | — | — |
| Old River Ranch Dim #d 1HHZ42-127-33998 | Exco Operating Company LP | Dimmit, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,530 | Apr 29, 2011 | — | — |
| Fitzgerald SU #1HHZ42-405-30443 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,461 | Apr 27, 2011 | — | — |
| Silas SU #1HHZ42-405-30441 | Exco Operating Company LP | San Augustine, TXCarthage (Haynesville Shale) | ActiveGas | 13,044 | Apr 21, 2011 | — | — |