| 712169 | Mar 22, 2011 | Mar 22, 2011 | Devon Energy Production Co, L.P. | King, John Edward #16HH | 9,000 | 25134262 |
| 712164 | Mar 22, 2011 | Mar 22, 2011 | Devon Energy Production Co, L.P. | King, John Edward #15HH | 9,000 | 25134261 |
| 712148 | Mar 22, 2011 | Mar 22, 2011 | Devon Energy Production Co, L.P. | King, John Edward #14HH | 9,000 | 25134260 |
| 712142 | Mar 22, 2011 | Mar 22, 2011 | Devon Energy Production Co, L.P. | King, John Edward #13HH | 9,000 | 25134259 |
| 712128 | Mar 22, 2011 | Mar 22, 2011 | Devon Energy Production Co, L.P. | King, John Edward #12HH | 9,000 | 25134258 |
| 712114 | Mar 22, 2011 | Mar 22, 2011 | Devon Energy Production Co, L.P. | King, John Edward #11HH | 9,000 | 25134257 |
| 712092 | Mar 22, 2011 | Mar 22, 2011 | Devon Energy Production Co, L.P. | King, John Edward #9HH | 9,000 | 25134256 |
| 712086 | Mar 22, 2011 | Mar 22, 2011 | Devon Energy Production Co, L.P. | King, John Edward #8HH | 9,000 | 25134255 |
| 711838 | Mar 17, 2011 | Mar 17, 2011 | Devon Energy Production Co, L.P. | Peikoff, Mike #4HH | 9,000 | 25134253 |
| 711834 | Mar 17, 2011 | Mar 17, 2011 | Devon Energy Production Co, L.P. | Peikoff, Mike #3HH | 9,000 | 25134254 |
| 711833 | Mar 17, 2011 | Mar 17, 2011 | Devon Energy Production Co, L.P. | Peikoff, Mike #2HH | 9,000 | 25134252 |
| 711733 | Mar 16, 2011 | Mar 16, 2011 | Chesapeake Operating, Inc. | Falvel-E Brown (SA) #1HH | 9,000 | 25134244 |
| 711629 | Mar 14, 2011 | Mar 14, 2011 | Chesapeake Operating, Inc. | Rich-Olivia (SA) #1HH | 9,000 | 25134243 |
| 711857 | Mar 11, 2011 | Mar 11, 2011 | XTO Energy Inc. | Wilkinson Unit #2HH | 12,000 | 25134245 |
| 711857Amendment | Mar 11, 2011 | Mar 11, 2011 | XTO Energy Inc. | Wilkinson Unit #2HH | 12,500 | 25134245 |
| 711847 | Mar 11, 2011 | Mar 11, 2011 | XTO Energy Inc. | Wilkinson Unit #5HH | 12,000 | 25134246 |
| 711847Amendment | Mar 11, 2011 | Mar 11, 2011 | XTO Energy Inc. | Wilkinson Unit #5HH | 12,500 | 25134246 |
| 711129 | Mar 9, 2011 | Mar 9, 2011 | XTO Energy Inc. | RFS Jimenez Unit SA #2HH | 12,000 | 25134241 |
| 709113 | Mar 3, 2011 | Mar 3, 2011 | XTO Energy Inc. | Colonial a Unit #9HH | 12,000 | 25134214 |
| 709112 | Mar 3, 2011 | Mar 3, 2011 | XTO Energy Inc. | Colonial a Unit #8HH | 12,000 | 25134213 |
| 710840 | Feb 28, 2011 | Feb 28, 2011 | Chesapeake Operating, Inc. | Skaggs #8HH | 9,000 | 25134240 |
| 710848 | Feb 25, 2011 | Feb 25, 2011 | XTO Energy Inc. | Shipman Unit #C 5HH | 12,000 | 25134239 |
| 710848Amendment | Feb 25, 2011 | Feb 25, 2011 | XTO Energy Inc. | Shipman Unit #C 5HH | 12,000 | 25134239 |
| 710844 | Feb 25, 2011 | Feb 25, 2011 | XTO Energy Inc. | Shipman Unit #C 4HH | 12,000 | 25134238 |
| 710844Amendment | Feb 25, 2011 | Feb 25, 2011 | XTO Energy Inc. | Shipman Unit #C 4HH | 12,000 | 25134238 |
| 710768 | Feb 24, 2011 | Feb 24, 2011 | Chesapeake Operating, Inc. | South Chisholm Trail #4HH | 9,000 | 25134237 |
| 710643 | Feb 24, 2011 | Feb 24, 2011 | XTO Energy Inc. | RFS Jimenez Unit SA #1HH | 12,000 | 25134234 |
| 710696 | Feb 23, 2011 | Feb 23, 2011 | Chesapeake Operating, Inc. | Sessions #2HH | 9,000 | 25134236 |
| 710696Amendment | Feb 23, 2011 | Feb 23, 2011 | Chesapeake Operating, Inc. | Sessions #2HH | 9,000 | 25134236 |
| 710694 | Feb 23, 2011 | Feb 23, 2011 | XTO Energy Inc. | Shipman Unit #C 2HH | 12,000 | 25134235 |
| 710694Amendment | Feb 23, 2011 | Feb 23, 2011 | XTO Energy Inc. | Shipman Unit #C 2HH | 12,000 | 25134235 |
| 710574 | Feb 23, 2011 | Feb 23, 2011 | Chesapeake Operating, Inc. | Darby #6HH | 9,000 | 25134233 |
| 708268 | Feb 23, 2011 | Feb 23, 2011 | Chesapeake Operating, Inc. | Terry #9HH | 9,000 | 25134200 |
| 706896 | Feb 23, 2011 | Feb 23, 2011 | Chesapeake Operating, Inc. | East Allen #3HH | 9,000 | 25134173 |
| 708516 | Feb 22, 2011 | Feb 22, 2011 | XTO Energy Inc. | Molar Unit #2HH | 12,000 | 25134204 |
| 710445 | Feb 18, 2011 | Feb 18, 2011 | Chesapeake Operating, Inc. | Little Hoss 7 #G 9HH | 9,000 | 25134232 |
| 710445Amendment | Feb 18, 2011 | Feb 18, 2011 | Chesapeake Operating, Inc. | Little Hoss 7 #G 9HH | 9,000 | 25134232 |
| 710443 | Feb 18, 2011 | Feb 18, 2011 | Chesapeake Operating, Inc. | Little Hoss 7 #A 6HH | 9,000 | 25134231 |
| 710443Amendment | Feb 18, 2011 | Feb 18, 2011 | Chesapeake Operating, Inc. | Little Hoss 7 #A 6HH | 9,000 | 25134231 |
| 709816 | Feb 17, 2011 | Feb 17, 2011 | Chesapeake Operating, Inc. | Berry-Tanterra-1ST Baptist (SA) #1HH | 9,000 | 25134227 |
| 710174 | Feb 15, 2011 | Feb 15, 2011 | XTO Energy Inc. | Rice Unit #7HH | 12,000 | 25134230 |
| 710174Amendment | Feb 15, 2011 | Feb 15, 2011 | XTO Energy Inc. | Rice Unit #7HH | 12,000 | 25134230 |
| 710141 | Feb 14, 2011 | Feb 14, 2011 | XTO Energy Inc. | Rice Unit #6HH | 12,000 | 25134229 |
| 710141Amendment | Feb 14, 2011 | Feb 14, 2011 | XTO Energy Inc. | Rice Unit #6HH | 12,000 | 25134229 |
| 709820 | Feb 9, 2011 | Feb 9, 2011 | XTO Energy Inc. | RFS Unit #B 7HH | 12,000 | 25134228 |
| 709820Amendment | Feb 9, 2011 | Feb 9, 2011 | XTO Energy Inc. | RFS Unit #B 7HH | 12,000 | 25134228 |
| 709489 | Feb 8, 2011 | Feb 8, 2011 | XTO Energy Inc. | Tubbs Unit #5HH | 12,000 | 25134221 |
| 709273 | Feb 8, 2011 | Feb 8, 2011 | Devon Energy Production Co, L.P. | Hagler, Alvin #3HH | 9,000 | 25134224 |
| 709270 | Feb 8, 2011 | Feb 8, 2011 | Devon Energy Production Co, L.P. | Hagler, Alvin #2HH | 9,000 | 25134223 |
| 708924 | Feb 8, 2011 | Feb 8, 2011 | Devon Energy Production Co, L.P. | Prospect Co. #3HH | 9,000 | 25134226 |
| 708921 | Feb 7, 2011 | Feb 7, 2011 | Devon Energy Production Co, L.P. | Prospect Co. #2HH | 9,000 | 25134225 |
| 709126 | Feb 3, 2011 | Feb 3, 2011 | Devon Energy Production Co, L.P. | Prospect Co. #4HH | 9,000 | 25134222 |
| 709515 | Feb 2, 2011 | Feb 2, 2011 | XTO Energy Inc. | Dixon Unit #4HH | 12,000 | 25134219 |
| 709515Amendment | Feb 2, 2011 | Feb 2, 2011 | XTO Energy Inc. | Dixon Unit #4HH | 12,000 | 25134219 |
| 709507 | Feb 2, 2011 | Feb 2, 2011 | XTO Energy Inc. | Dixon Unit #2HH | 12,000 | 25134218 |
| 709507Amendment | Feb 2, 2011 | Feb 2, 2011 | XTO Energy Inc. | Dixon Unit #2HH | 12,000 | 25134218 |
| 709483 | Feb 2, 2011 | Feb 2, 2011 | XTO Energy Inc. | Dixon Unit #5HH | 12,000 | 25134220 |
| 709483Amendment | Feb 2, 2011 | Feb 2, 2011 | XTO Energy Inc. | Dixon Unit #5HH | 12,000 | 25134220 |
| 709430 | Feb 2, 2011 | Feb 2, 2011 | XTO Energy Inc. | Freight Train Unit #3HH | 12,000 | 25134217 |
| 709430Amendment | Feb 2, 2011 | Feb 2, 2011 | XTO Energy Inc. | Freight Train Unit #3HH | 12,000 | 25134217 |
| 709171 | Jan 28, 2011 | Jan 28, 2011 | XTO Energy Inc. | Colonial a Unit #2HH | 12,000 | 25134216 |
| 709171Amendment | Jan 28, 2011 | Jan 28, 2011 | XTO Energy Inc. | Colonial a Unit #2HH | 13,500 | 25134216 |
| 709148 | Jan 28, 2011 | Jan 28, 2011 | XTO Energy Inc. | Colonial a Unit #12HH | 12,000 | 25134215 |
| 709148Amendment | Jan 28, 2011 | Jan 28, 2011 | XTO Energy Inc. | Colonial a Unit #12HH | 13,000 | 25134215 |
| 709072 | Jan 27, 2011 | Jan 27, 2011 | XTO Energy Inc. | Colonial a Unit #6HH | 12,000 | 25134212 |
| 709072Amendment | Jan 27, 2011 | Jan 27, 2011 | XTO Energy Inc. | Colonial a Unit #6HH | 13,500 | 25134212 |
| 709062 | Jan 27, 2011 | Jan 27, 2011 | XTO Energy Inc. | Colonial a Unit #5HH | 12,000 | 25134211 |
| 709062Amendment | Jan 27, 2011 | Jan 27, 2011 | XTO Energy Inc. | Colonial a Unit #5HH | 13,000 | 25134211 |
| 708795 | Jan 27, 2011 | Jan 27, 2011 | XTO Energy Inc. | Jackson Jerry Unit #6HH | 12,000 | 25134210 |
| 708574 | Jan 20, 2011 | Jan 20, 2011 | Devon Energy Production Co, L.P. | Peikoff, Mike #5HH | 9,000 | 25134208 |
| 708524 | Jan 20, 2011 | Jan 20, 2011 | Devon Energy Production Co, L.P. | Peikoff-Prospect Co. (SA) #2HH | 9,000 | 25134207 |
| 708519 | Jan 20, 2011 | Jan 20, 2011 | XTO Energy Inc. | Molar Unit #4HH | 12,000 | 25134209 |
| 708521 | Jan 19, 2011 | Jan 19, 2011 | Devon Energy Production Co, L.P. | Peikoff-Prospect Co. (SA) #1HH | 9,000 | 25134205 |
| 708425 | Jan 19, 2011 | Jan 19, 2011 | Chesapeake Operating, Inc. | Darby #4HH | 9,000 | 25134201 |
| 708425Amendment | Jan 19, 2011 | Jan 19, 2011 | Chesapeake Operating, Inc. | Darby #4HH | 9,000 | 25134201 |
| 708425Amendment | Jan 19, 2011 | Jan 19, 2011 | Chesapeake Operating, Inc. | Darby #4HH | 9,000 | 25134201 |
| 708427 | Jan 18, 2011 | Jan 18, 2011 | Chesapeake Operating, Inc. | Darby #5HH | 9,000 | 25134202 |
| 708427Amendment | Jan 18, 2011 | Jan 18, 2011 | Chesapeake Operating, Inc. | Darby #5HH | 9,000 | 25134202 |
| 708427Amendment | Jan 18, 2011 | Jan 18, 2011 | Chesapeake Operating, Inc. | Darby #5HH | 9,000 | 25134202 |
| 708205 | Jan 18, 2011 | Jan 18, 2011 | Devon Energy Production Co, L.P. | King, John Edward #7HH | 9,000 | 25134206 |
| 708461 | Jan 14, 2011 | Jan 14, 2011 | Quicksilver Resources Inc. | John J Miles Unit #6HH | 9,000 | 25134203 |
| 704362 | Jan 12, 2011 | Jan 12, 2011 | Devon Energy Production Co, L.P. | Crawford #2HH | 9,000 | 25134148 |
| 704362Amendment | Jan 12, 2011 | Jan 12, 2011 | Devon Energy Production Co, L.P. | Crawford #2HH | 9,000 | 25134148 |
| 708043 | Jan 11, 2011 | Jan 11, 2011 | Chesapeake Operating, Inc. | Darby #2HH | 9,000 | 25134198 |
| 708043Amendment | Jan 11, 2011 | Jan 11, 2011 | Chesapeake Operating, Inc. | Darby #2HH | 9,000 | 25134198 |
| 708045 | Jan 10, 2011 | Jan 10, 2011 | Chesapeake Operating, Inc. | Darby #3HH | 9,000 | 25134199 |
| 707871 | Jan 7, 2011 | Jan 7, 2011 | XTO Energy Inc. | Tubbs Unit #4HH | 12,000 | 25134196 |
| 707870 | Jan 6, 2011 | Jan 6, 2011 | XTO Energy Inc. | Tubbs Unit #3HH | 12,000 | 25134195 |
| 707751 | Jan 6, 2011 | Jan 6, 2011 | Devon Energy Production Co, L.P. | King, John Edward #6HH | 9,000 | 25134197 |
| 707733 | Jan 3, 2011 | Jan 3, 2011 | Titan Operating, LLC | Colonel Hogan #1HH | 7,500 | 25134194 |
| 707733Amendment | Jan 3, 2011 | Jan 3, 2011 | Titan Operating, LLC | Colonel Hogan #1HH | 7,500 | 25134194 |
| 707648 | Jan 3, 2011 | Jan 3, 2011 | Devon Energy Production Co, L.P. | King, John Edward #2HH | 9,000 | 25134191 |
| 707654 | Dec 30, 2010 | Dec 30, 2010 | Devon Energy Production Co, L.P. | King, John Edward #4HH | 9,000 | 25134193 |
| 707652 | Dec 30, 2010 | Dec 30, 2010 | Devon Energy Production Co, L.P. | King, John Edward #3HH | 9,000 | 25134192 |
| 703713 | Dec 30, 2010 | Dec 30, 2010 | Chesapeake Operating, Inc. | Kinnear #8HH | 9,000 | 25134131 |
| 703713Amendment | Dec 30, 2010 | Dec 30, 2010 | Chesapeake Operating, Inc. | Kinnear #8HH | 9,000 | 25134131 |
| 703713Amendment | Dec 30, 2010 | Dec 30, 2010 | Chesapeake Operating, Inc. | Kinnear #8HH | 9,000 | 25134131 |
| 703713Amendment | Dec 30, 2010 | Dec 30, 2010 | Chesapeake Operating, Inc. | Kinnear #8HH | 9,000 | 25134131 |
| 707645 | Dec 29, 2010 | Dec 29, 2010 | Devon Energy Production Co, L.P. | King, John Edward #5HH | 9,000 | 25134190 |
| 707582 | Dec 29, 2010 | Dec 29, 2010 | Devon Energy Production Co, L.P. | Balentine, Don #6HH | 9,000 | 25134189 |