| 644606Amendment | Aug 22, 2007 | Aug 22, 2007 | EOG Resources, Inc. | Little Buddy Unit #1HH | 10,000 | 25132156 |
| 644606Amendment | Aug 22, 2007 | Aug 22, 2007 | EOG Resources, Inc. | Little Buddy Unit #1HH | 10,000 | 25132156 |
| 644018 | Aug 21, 2007 | Aug 21, 2007 | Chesapeake Operating, Inc. | Raifsnider #4HH | 9,000 | 25132172 |
| 644640 | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Kemp a Unit #14HH | 10,000 | 25132165 |
| 644639 | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Kemp a Unit #5HH | 10,000 | 25132164 |
| 644638 | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Kemp a Unit #4HH | 10,000 | 25132161 |
| 644637 | Aug 20, 2007 | Aug 20, 2007 | Devon Energy Production Co, L.P. | Charles Pitts #12HH | 9,000 | 25132163 |
| 644636 | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Kemp a Unit #3HH | 10,000 | 25132162 |
| 644623 | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Little Buddy Unit #7HH | 10,000 | 25132160 |
| 644623Amendment | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Little Buddy Unit #7HH | 10,000 | 25132160 |
| 644623Amendment | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Little Buddy Unit #7HH | 10,000 | 25132160 |
| 644621 | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Little Buddy Unit #6HH | 10,000 | 25132159 |
| 644621Amendment | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Little Buddy Unit #6HH | 10,000 | 25132159 |
| 644621Amendment | Aug 20, 2007 | Aug 20, 2007 | EOG Resources, Inc. | Little Buddy Unit #6HH | 10,000 | 25132159 |
| 644555 | Aug 18, 2007 | Aug 18, 2007 | EOG Resources, Inc. | Milford Investments Unit #3HH | 10,000 | 25132155 |
| 644131 | Aug 17, 2007 | Aug 17, 2007 | Paloma Resources, LLC | Willow Creek 'a' Unit #1HH | 8,500 | 25132144 |
| 644131Amendment | Aug 17, 2007 | Aug 17, 2007 | Chesapeake Operating, Inc. | Willow Creek 'a' Unit #1HH | 8,500 | 25132144 |
| 644194 | Aug 16, 2007 | Aug 16, 2007 | Devon Energy Production Co, L.P. | Nickelson, Gary #2HH | 9,000 | 25132154 |
| 644194Amendment | Aug 16, 2007 | Aug 16, 2007 | Devon Energy Production Co, L.P. | Nickelson, Gary #2HH | 9,000 | 25132154 |
| 641919 | Aug 15, 2007 | Aug 15, 2007 | XTO Energy Inc. | Capps #1HH | 12,000 | 25131998 |
| 644210 | Aug 14, 2007 | Aug 14, 2007 | EOG Resources, Inc. | U. S. Lime #13HH | 7,800 | 25132152 |
| 644210Amendment | Aug 14, 2007 | Aug 14, 2007 | EOG Resources, Inc. | U. S. Lime #13HH | 10,000 | 25132152 |
| 644210Amendment | Aug 14, 2007 | Aug 14, 2007 | EOG Resources, Inc. | U.S. Lime #13HH | 8,999 | 25132152 |
| 644207 | Aug 14, 2007 | Aug 14, 2007 | EOG Resources, Inc. | U. S. Lime #12HH | 7,800 | 25132151 |
| 644207Amendment | Aug 14, 2007 | Aug 14, 2007 | EOG Resources, Inc. | U. S. Lime #12HH | 10,000 | 25132151 |
| 644188 | Aug 14, 2007 | Aug 14, 2007 | Devon Energy Production Co, L.P. | Atlas, J. J. #6HH | 9,000 | 25132149 |
| 644185 | Aug 14, 2007 | Aug 14, 2007 | Sullivan, Hollis R. Inc. | Beadles #1HH | 8,500 | 25132150 |
| 644184 | Aug 14, 2007 | Aug 14, 2007 | Devon Energy Production Co, L.P. | Atlas, J. J. #5HH | 9,000 | 25132148 |
| 644181 | Aug 14, 2007 | Aug 14, 2007 | Devon Energy Production Co, L.P. | Atlas, J. J. #4HH | 9,000 | 25132147 |
| 644175 | Aug 14, 2007 | Aug 14, 2007 | Devon Energy Production Co, L.P. | Atlas, J. J. #3HH | 9,000 | 25132146 |
| 644172 | Aug 14, 2007 | Aug 14, 2007 | Devon Energy Production Co, L.P. | Atlas, J. J. #2HH | 9,000 | 25132145 |
| 644128 | Aug 14, 2007 | Aug 14, 2007 | Chesapeake Operating, Inc. | Daisey #1HH | 9,000 | 25132143 |
| 644095 | Aug 13, 2007 | Aug 13, 2007 | Devon Energy Production Co, L.P. | Bond, Sam #1HH | 9,000 | 25132142 |
| 644037 | Aug 13, 2007 | Aug 13, 2007 | Chesapeake Operating, Inc. | Mackey #6HH | 9,000 | 25132141 |
| 644037Amendment | Aug 13, 2007 | Aug 13, 2007 | Chesapeake Operating, Inc. | Mackey #6HH | 9,000 | 25132141 |
| 643879 | Aug 13, 2007 | Aug 13, 2007 | Chesapeake Operating, Inc. | Maclean #2HH | 9,000 | 25132132 |
| 643693 | Aug 13, 2007 | Aug 13, 2007 | Chesapeake Operating, Inc. | Dickeson A #2HH | 9,000 | 25132122 |
| 635722Amendment | Aug 13, 2007 | Aug 13, 2007 | EOG Resources, Inc. | King #13HH | 7,000 | 25131688 |
| 644035 | Aug 11, 2007 | Aug 11, 2007 | Chesapeake Operating, Inc. | Mackey #4HH | 9,000 | 25132140 |
| 644035Amendment | Aug 11, 2007 | Aug 11, 2007 | Chesapeake Operating, Inc. | Mackey #4HH | 9,000 | 25132140 |
| 644021 | Aug 11, 2007 | Aug 11, 2007 | Chesapeake Operating, Inc. | Meadows #16HH | 9,000 | 25132138 |
| 644020 | Aug 11, 2007 | Aug 11, 2007 | Chesapeake Operating, Inc. | Meadows #11HH | 9,000 | 25132139 |
| 644019 | Aug 11, 2007 | Aug 11, 2007 | Chesapeake Operating, Inc. | Meadows #8HH | 9,000 | 25132137 |
| 643965 | Aug 11, 2007 | Aug 11, 2007 | Paloma Resources, LLC | Forest Lane Unit #1HH | 8,500 | 25132136 |
| 643965Amendment | Aug 11, 2007 | Aug 11, 2007 | Chesapeake Operating, Inc. | Forest Lane #1HH | 9,000 | 25132136 |
| 643889 | Aug 10, 2007 | Aug 10, 2007 | EOG Resources, Inc. | Lancaster #21HH | 7,800 | 25132134 |
| 643887 | Aug 10, 2007 | Aug 10, 2007 | EOG Resources, Inc. | Lancaster #20HH | 7,800 | 25132133 |
| 643871 | Aug 10, 2007 | Aug 10, 2007 | EOG Resources, Inc. | Lancaster #19HH | 7,800 | 25132130 |
| 643869 | Aug 10, 2007 | Aug 10, 2007 | Devon Energy Production Co, L.P. | Melton, James #1HH | 9,000 | 25132131 |
| 643851 | Aug 10, 2007 | Aug 10, 2007 | XTO Energy Inc. | Kimbrough Dunlap Unit #8HH | 12,000 | 25132129 |
| 643851Amendment | Aug 10, 2007 | Aug 10, 2007 | XTO Energy Inc. | Kimbrough Dunlap Unit #B 8HH | 12,000 | 25132129 |
| 643851Amendment | Aug 10, 2007 | Aug 10, 2007 | XTO Energy Inc. | Kimbrough Dunlap Unit #B 8HH | 12,000 | 25132129 |
| 643849 | Aug 10, 2007 | Aug 10, 2007 | XTO Energy Inc. | Kimbrough Dunlap Unit #7HH | 12,000 | 25132128 |
| 643849Amendment | Aug 10, 2007 | Aug 10, 2007 | XTO Energy Inc. | Kimbrough Dunlap Unit #B 7HH | 12,000 | 25132128 |
| 643839 | Aug 10, 2007 | Aug 10, 2007 | Chesapeake Operating, Inc. | Cullison #1HH | 9,000 | 25132127 |
| 643769 | Aug 10, 2007 | Aug 10, 2007 | Range Production Company | Boswell #3HH | 9,000 | 25132125 |
| 643707 | Aug 10, 2007 | Aug 10, 2007 | EOG Resources, Inc. | Stewart Unit #4HH | 8,200 | 25132135 |
| 643707Amendment | Aug 10, 2007 | Aug 10, 2007 | EOG Resources, Inc. | Stewart Unit #4HH | 10,000 | 25132135 |
| 643695 | Aug 10, 2007 | Aug 10, 2007 | Chesapeake Operating, Inc. | Raifsnider #1HH | 9,000 | 25132126 |
| 643746 | Aug 9, 2007 | Aug 9, 2007 | Devon Energy Production Co, L.P. | Hollingsworth, Gary #4H | 9,000 | 25132124 |
| 643701 | Aug 9, 2007 | Aug 9, 2007 | Devon Energy Production Co, L.P. | Hollingsworth, Gary #3H | 9,000 | 25132123 |
| 643661 | Aug 9, 2007 | Aug 9, 2007 | Devon Energy Production Co, L.P. | Hollingsworth, Gary #2H | 9,000 | 25132121 |
| 643604 | Aug 8, 2007 | Aug 8, 2007 | Chesapeake Operating, Inc. | Panchasarp #1HH | 9,000 | 25132120 |
| 643600 | Aug 8, 2007 | Aug 8, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #8H | 9,000 | 25132119 |
| 643600Amendment | Aug 8, 2007 | Aug 8, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #8H | 9,000 | 25132119 |
| 642530Amendment | Aug 8, 2007 | Aug 8, 2007 | BP Operating Company, LLC | Brownlee Unit #1HH | 8,600 | 25132054 |
| 643508 | Aug 7, 2007 | Aug 7, 2007 | EOG Resources, Inc. | Maples Unit #9HH | 8,500 | 25132118 |
| 643508Amendment | Aug 7, 2007 | Aug 7, 2007 | EOG Resources, Inc. | Maples Unit #9HH | 10,000 | 25132118 |
| 643436 | Aug 7, 2007 | Aug 7, 2007 | Chesapeake Operating, Inc. | Welborn #2HH | 9,000 | 25132116 |
| 641322Amendment | Aug 7, 2007 | Aug 7, 2007 | Sullivan, Hollis R. Inc. | Parker #1HH | 8,900 | 25131958 |
| 643400 | Aug 6, 2007 | Aug 6, 2007 | XTO Energy Inc. | Hobson McCoy Young Unit #B 2HH | 11,000 | 25132114 |
| 643399 | Aug 6, 2007 | Aug 6, 2007 | XTO Energy Inc. | Hobson McCoy Young Unit #B 1HH | 11,000 | 25132115 |
| 643399Amendment | Aug 6, 2007 | Aug 6, 2007 | XTO Energy Inc. | Hobson McCoy Young Unit #B 1HH | 11,000 | 25132115 |
| 643328 | Aug 6, 2007 | Aug 6, 2007 | Chesapeake Operating, Inc. | Parnolan #1HH | 9,000 | 25132109 |
| 643328Amendment | Aug 6, 2007 | Aug 6, 2007 | Chesapeake Operating, Inc. | Parnolan #1HH | 9,000 | 25132109 |
| 643328Amendment | Aug 6, 2007 | Aug 6, 2007 | Chesapeake Operating, Inc. | Parnolan #1HH | 9,000 | 25132109 |
| 643340 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | West, Bob #4HH | 9,000 | 25132113 |
| 643331 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | West, Bob #3HH | 9,000 | 25132110 |
| 643329 | Aug 4, 2007 | Aug 4, 2007 | Chesapeake Operating, Inc. | Parnolan #5HH | 9,000 | 25132111 |
| 643329Amendment | Aug 4, 2007 | Aug 4, 2007 | Chesapeake Operating, Inc. | Parnolan #5HH | 9,000 | 25132111 |
| 643329Amendment | Aug 4, 2007 | Aug 4, 2007 | Chesapeake Operating, Inc. | Parnolan #5HH | 9,000 | 25132111 |
| 643299 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | Billy Boyd #10H | 9,000 | 25132107 |
| 643297 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | Guttry Family #3HH | 9,000 | 25132106 |
| 643291 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | Guttry Family #2HH | 9,000 | 25132105 |
| 643271 | Aug 4, 2007 | Aug 4, 2007 | Williams Prod. Gulf Coast, L.P. | Lail, E. V. #1HH | 8,500 | 25132104 |
| 643264 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | Franks, David Ray #3H | 9,000 | 25132103 |
| 643256 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | Franks, David Ray #2H | 9,000 | 25132102 |
| 643224 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | Franks, David Ray #1H | 9,000 | 25132101 |
| 643223 | Aug 4, 2007 | Aug 4, 2007 | Quicksilver Resources Inc. | Wiggum, Ralph #10HH | 9,000 | 25132100 |
| 643222 | Aug 4, 2007 | Aug 4, 2007 | Quicksilver Resources Inc. | Wiggum, Ralph #9HH | 9,000 | 25132099 |
| 643221 | Aug 4, 2007 | Aug 4, 2007 | EOG Resources, Inc. | Stevenson C Unit #3HH | 7,800 | 25132098 |
| 643221Amendment | Aug 4, 2007 | Aug 4, 2007 | EOG Resources, Inc. | Stevenson C Unit #3HH | 10,000 | 25132098 |
| 643219 | Aug 4, 2007 | Aug 4, 2007 | Quicksilver Resources Inc. | Wiggum, Ralph #8HH | 9,000 | 25132097 |
| 643212 | Aug 4, 2007 | Aug 4, 2007 | EOG Resources, Inc. | Stevenson C Unit #2HH | 7,800 | 25132096 |
| 643210 | Aug 4, 2007 | Aug 4, 2007 | Chesapeake Operating, Inc. | Parnolan #4HH | 9,000 | 25132095 |
| 643210Amendment | Aug 4, 2007 | Aug 4, 2007 | Chesapeake Operating, Inc. | Parnolan #4HH | 9,000 | 25132095 |
| 643210Amendment | Aug 4, 2007 | Aug 4, 2007 | Chesapeake Operating, Inc. | Parnolan #4HH | 9,000 | 25132095 |
| 643209 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | Gatlin, Winston #6H | 9,000 | 25132093 |
| 643209Amendment | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | Gatlin, Winston #6H | 9,000 | 25132093 |
| 643205 | Aug 4, 2007 | Aug 4, 2007 | Devon Energy Production Co, L.P. | Gatlin, Winston #5H | 9,000 | 25132094 |