| 625874 | Sep 13, 2006 | Sep 13, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #118 | 5,500 | 13539201 |
| 625872 | Sep 13, 2006 | Sep 13, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #114 | 5,500 | 13539200 |
| 625580 | Sep 7, 2006 | Sep 7, 2006 | Anadarko Petroleum Corporation | Goldsmith Cummins Deep Unit #411 | 7,000 | 13539192 |
| 625191 | Sep 6, 2006 | Sep 6, 2006 | Conocophillips Company | Frank -A- #9D | 8,558 | 13503132 |
| 625173 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #208 | 5,500 | 13539190 |
| 625100 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #318 | 5,500 | 13539191 |
| 625080 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #120 | 5,500 | 13539189 |
| 625079 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #320 | 5,500 | 13539188 |
| 625072 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #316 | 5,500 | 13539187 |
| 625069 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #315 | 5,500 | 13539186 |
| 625067 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #212 | 5,500 | 13539185 |
| 625066 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #211 | 5,500 | 13539184 |
| 625065 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #210 | 5,500 | 13539183 |
| 625050 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #209 | 5,500 | 13539182 |
| 625046 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #117 | 5,500 | 13539180 |
| 625040 | Aug 31, 2006 | Aug 31, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #113 | 5,500 | 13539181 |
| 625133 | Aug 29, 2006 | Aug 29, 2006 | Anadarko Petroleum Corporation | Goldsmith Cummins Deep Unit #409 | 7,000 | 13539179 |
| 624872 | Aug 29, 2006 | Aug 29, 2006 | XTO Energy Inc. | Connell, W. E. NCT-1 #43 | 8,948 | 13501453 |
| 624992 | Aug 28, 2006 | Aug 28, 2006 | Anadarko E&P Company LP | TXL North #990 | 7,000 | 13539178 |
| 624980 | Aug 25, 2006 | Aug 25, 2006 | Anadarko Petroleum Corporation | Goldsmith Cummins Deep Unit #415 | 7,000 | 13539177 |
| 624384 | Aug 22, 2006 | Aug 22, 2006 | Conocophillips Company | McEntire #3 | 7,963 | 13503509 |
| 624384Amendment | Aug 22, 2006 | Aug 22, 2006 | Conocophillips Company | McEntire #3 | 7,963 | 13503509 |
| 620965 | Aug 21, 2006 | Aug 21, 2006 | Anadarko Petroleum Corporation | Cummins, H. E. "B" #38 | 7,000 | 13539132 |
| 620672 | Aug 21, 2006 | Aug 21, 2006 | Henderson, Bryan, Co. | Henderson, W. B. "C" #4 | 9,372 | 13531651 |
| 624514 | Aug 17, 2006 | Aug 17, 2006 | Anadarko Petroleum Corporation | Goldsmith Cummins Deep Unit #414 | 7,000 | 13539176 |
| 620771 | Aug 16, 2006 | Aug 16, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1120 | 3,999 | 13539122 |
| 620769 | Aug 16, 2006 | Aug 16, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1222 | 3,999 | 13539121 |
| 620767 | Aug 16, 2006 | Aug 16, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #912 | 3,999 | 13539120 |
| 620764 | Aug 16, 2006 | Aug 16, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #330 | 4,500 | 13539119 |
| 622501 | Aug 15, 2006 | Aug 15, 2006 | Anadarko Petroleum Corporation | Goldsmith-Cummins Deep Unit #419 | 7,000 | 13539145 |
| 624248 | Aug 14, 2006 | Aug 14, 2006 | OXY USA WTP LP | Dora Roberts Ranch Unit #2401 | 11,000 | 13539175 |
| 620963 | Aug 9, 2006 | Aug 9, 2006 | Anadarko Petroleum Corporation | Cummins, H. E. "B" #35 | 7,000 | 13539130 |
| 620964Amendment | Aug 4, 2006 | Aug 4, 2006 | Anadarko Petroleum Corporation | Cummins, H. E. "B" #36 | 7,000 | 13539131 |
| 623476 | Aug 3, 2006 | Aug 3, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1012W | 3,999 | 13539174 |
| 623475 | Aug 3, 2006 | Aug 3, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1013 | 3,999 | 13539173 |
| 623475Amendment | Aug 3, 2006 | Aug 3, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1013 | 3,999 | 13539173 |
| 623474 | Aug 3, 2006 | Aug 3, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1121 | 3,999 | 13539172 |
| 623473 | Aug 3, 2006 | Aug 3, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1122W | 3,999 | 13539171 |
| 623157 | Aug 2, 2006 | Aug 2, 2006 | XTO Energy Inc. | Penwell Unit #2176H | 4,588 | 13501427 |
| 620961Amendment | Aug 1, 2006 | Aug 1, 2006 | Anadarko Petroleum Corporation | Cummins, H. E. "B" #34 | 7,000 | 13539129 |
| 623469 | Jul 31, 2006 | Jul 31, 2006 | Anadarko Petroleum Corporation | Goldsmith-Cummins Deep Unit #391 | 7,000 | 13539170 |
| 623468 | Jul 31, 2006 | Jul 31, 2006 | Anadarko Petroleum Corporation | Goldsmith-Cummins Deep Unit #416 | 7,000 | 13539169 |
| 623049 | Jul 28, 2006 | Jul 28, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1709 | 7,000 | 13539163 |
| 623047 | Jul 28, 2006 | Jul 28, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1704 | 7,000 | 13539162 |
| 623045 | Jul 28, 2006 | Jul 28, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1708 | 7,000 | 13539161 |
| 622968 | Jul 27, 2006 | Jul 27, 2006 | Cambrian Management Ltd | Shelley #1 | 11,000 | 13539160 |
| 622968Amendment | Jul 27, 2006 | Jul 27, 2006 | Cambrian Management Ltd | Shelley #1 | 11,000 | 13539160 |
| 623285 | Jul 26, 2006 | Jul 26, 2006 | Cabal Energy Corporation | Augusta Barrow Jvda 23 #2 | 7,000 | 13539168 |
| 623251 | Jul 26, 2006 | Jul 26, 2006 | Anadarko Petroleum Corporation | TXL North Unit #999 | 7,000 | 13539165 |
| 623250 | Jul 26, 2006 | Jul 26, 2006 | Anadarko Petroleum Corporation | TXL North Unit #997 | 7,000 | 13539167 |
| 623249 | Jul 26, 2006 | Jul 26, 2006 | Anadarko Petroleum Corporation | TXL North Unit #966 | 7,000 | 13539164 |
| 623247 | Jul 26, 2006 | Jul 26, 2006 | Anadarko Petroleum Corporation | TXL South Unit #6311 | 7,000 | 13539166 |
| 622774 | Jul 26, 2006 | Jul 26, 2006 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #376 | 6,500 | 13539156 |
| 622776 | Jul 25, 2006 | Jul 25, 2006 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #383 | 6,500 | 13539157 |
| 623052 | Jul 24, 2006 | Jul 24, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1717 | 7,000 | 13539159 |
| 622246 | Jul 24, 2006 | Jul 24, 2006 | Conocophillips Company | Goldsmith Andector Unit #H 55 | 6,700 | 13539143 |
| 622946 | Jul 20, 2006 | Jul 20, 2006 | Occidental Permian Ltd. | North Gist #1 | 9,600 | 13539158 |
| 622739 | Jul 20, 2006 | Jul 20, 2006 | Merit Energy Company | Ratliff "G" #1 | 12,100 | 13504992 |
| 622678 | Jul 17, 2006 | Jul 17, 2006 | OXY USA WTP LP | Red Dog #1 | 8,900 | 13539155 |
| 622678Amendment | Jul 17, 2006 | Jul 17, 2006 | OXY USA WTP LP | Red Dog #1 | 8,900 | 13539155 |
| 622450 | Jul 17, 2006 | Jul 17, 2006 | Conocophillips Company | Goldsmith Andector Unit #P 55 | 6,700 | 13539153 |
| 622251 | Jul 17, 2006 | Jul 17, 2006 | Occidental Permian Ltd. | Cowden, Elliott F., -A- #154 | 4,600 | 13534424 |
| 622375 | Jul 14, 2006 | Jul 14, 2006 | Conocophillips Company | Goldsmith Andector Unit #N 75 | 6,700 | 13539152 |
| 622349 | Jul 14, 2006 | Jul 14, 2006 | Conocophillips Company | Goldsmith Andector Unit #N 45 | 6,663 | 13539150 |
| 622330 | Jul 14, 2006 | Jul 14, 2006 | Conocophillips Company | Goldsmith Andector Unit #N 4 | 6,700 | 13539151 |
| 622505 | Jul 13, 2006 | Jul 13, 2006 | Anadarko Petroleum Corporation | TXL North Unit #996 | 7,000 | 13539149 |
| 622504 | Jul 13, 2006 | Jul 13, 2006 | Anadarko Petroleum Corporation | TXL North Unit #995 | 7,000 | 13539148 |
| 622503 | Jul 13, 2006 | Jul 13, 2006 | Anadarko Petroleum Corporation | TXL North Unit #964 | 7,000 | 13539147 |
| 622502 | Jul 13, 2006 | Jul 13, 2006 | Anadarko Petroleum Corporation | TXL North Unit #963 | 7,000 | 13539146 |
| 622500 | Jul 13, 2006 | Jul 13, 2006 | Anadarko Petroleum Corporation | TXL South Unit #6121 | 7,000 | 13539144 |
| 621737 | Jul 5, 2006 | Jul 5, 2006 | Conocophillips Company | Goldsmith Andector Unit #F 45 | 6,700 | 13539142 |
| 621716 | Jul 5, 2006 | Jul 5, 2006 | Conocophillips Company | Goldsmith Andector Unit #C125 | 6,700 | 13539141 |
| 620516 | Jun 30, 2006 | Jun 30, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1702 | 7,000 | 13539117 |
| 621670 | Jun 27, 2006 | Jun 27, 2006 | OXY USA WTP LP | Foster Aaa #1 | 9,400 | 13539140 |
| 621588 | Jun 27, 2006 | Jun 27, 2006 | Neg Operating LLC | Parker Minerals, Ltd., et Al #1101 | 6,400 | 13539139 |
| 621587 | Jun 27, 2006 | Jun 27, 2006 | Neg Operating LLC | Parker Minerals, Ltd., et Al #2003 | 6,700 | 13539138 |
| 621440 | Jun 27, 2006 | Jun 27, 2006 | Occidental Permian Ltd. | Henderson, F. A. -B- #7 | 9,250 | 13535006 |
| 621415 | Jun 27, 2006 | Jun 27, 2006 | Anadarko Petroleum Corporation | TXL South #3812 | 7,000 | 13539135 |
| 621410 | Jun 27, 2006 | Jun 27, 2006 | Anadarko Petroleum Corporation | TXL South #2605 | 7,000 | 13539134 |
| 619270 | Jun 26, 2006 | Jun 26, 2006 | XTO Energy Inc. | C. A. Goldsmith Etal #1609A | 10,500 | 13539104 |
| 617895 | Jun 23, 2006 | Jun 23, 2006 | XTO Energy Inc. | Goldsmith San Andres Unit #1653 | 6,000 | 13539099 |
| 621417 | Jun 22, 2006 | Jun 22, 2006 | Anadarko Petroleum Corporation | TXL South #3610 | 7,000 | 13539137 |
| 621416 | Jun 22, 2006 | Jun 22, 2006 | Anadarko Petroleum Corporation | TXL South #3813 | 7,000 | 13539136 |
| 619978 | Jun 21, 2006 | Jun 21, 2006 | XTO Energy Inc. | C.A. Goldsmith #1701 | 7,000 | 13539115 |
| 620926 | Jun 19, 2006 | Jun 19, 2006 | COG Operating LLC | Shoe Bar "E" #1 | 10,895 | 13536095 |
| 620870 | Jun 16, 2006 | Jun 16, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #212 | 4,500 | 13539127 |
| 621020 | Jun 15, 2006 | Jun 15, 2006 | Conocophillips Company | Embar #53 | 4,425 | 13533416 |
| 620872 | Jun 15, 2006 | Jun 15, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1221W | 3,999 | 13539128 |
| 620872Amendment | Jun 15, 2006 | Jun 15, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1221W | 3,999 | 13539128 |
| 620869 | Jun 15, 2006 | Jun 15, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1011W | 3,999 | 13539126 |
| 620866 | Jun 15, 2006 | Jun 15, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1010 | 3,999 | 13539125 |
| 620865 | Jun 15, 2006 | Jun 15, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1119W | 3,999 | 13539124 |
| 620865Amendment | Jun 15, 2006 | Jun 15, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1119W | 3,999 | 13539124 |
| 620852 | Jun 15, 2006 | Jun 15, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1118 | 3,999 | 13539123 |
| 620852Amendment | Jun 15, 2006 | Jun 15, 2006 | Energen Resources Corporation | East Penwell San Andres Unit #1118 | 3,999 | 13539123 |
| 619077 | Jun 15, 2006 | Jun 15, 2006 | XTO Energy Inc. | Goldsmith San Andres Unit #1657 | 6,000 | 13539100 |
| 620737 | Jun 9, 2006 | Jun 9, 2006 | Chesapeake Operating, Inc. | Alma #5 | 9,000 | 13502438 |
| 620649 | Jun 9, 2006 | Jun 9, 2006 | Keystone Petroleum LLC | Averitt #2201 | 10,350 | 13539118 |
| 620649Amendment | Jun 9, 2006 | Jun 9, 2006 | Keystone Petroleum GP LLC | Averitt #2201 | 12,700 | 13539118 |
| 620649Amendment | Jun 9, 2006 | Jun 9, 2006 | Keystone Petroleum GP LLC | Averitt #2201 | 12,700 | 13539118 |