| 632127 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Goldsmith San Andres Unit #1760 | 5,200 | 13539281 |
| 632102 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Goldsmith San Andres Unit #1754 | 5,200 | 13539274 |
| 632102Amendment | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Goldsmith San Andres Unit #1754 | 5,200 | 13539274 |
| 632099 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Goldsmith San Andres Unit #1751 | 5,100 | 13539273 |
| 632099Amendment | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Goldsmith San Andres Unit #1751 | 5,100 | 13539273 |
| 631027 | Jan 23, 2007 | Jan 23, 2007 | Occidental Permian Ltd. | Foster, H. C. #10 | 4,600 | 13539272 |
| 630945 | Jan 12, 2007 | Jan 12, 2007 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #394 | 6,800 | 13539271 |
| 631276 | Jan 9, 2007 | Jan 9, 2007 | Occidental Permian Ltd. | F. Foster #17 | 4,600 | 13539268 |
| 631275 | Jan 9, 2007 | Jan 9, 2007 | Occidental Permian Ltd. | F. Foster #16 | 4,600 | 13539269 |
| 631273 | Jan 9, 2007 | Jan 9, 2007 | Occidental Permian Ltd. | F. Foster #13 | 4,600 | 13539270 |
| 630940 | Jan 8, 2007 | Jan 8, 2007 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #393 | 6,800 | 13539267 |
| 630936 | Jan 8, 2007 | Jan 8, 2007 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #390 | 6,800 | 13539266 |
| 631054 | Dec 27, 2006 | Dec 27, 2006 | Henry Petroleum LP | Sallie "B" #1107 | 10,800 | 13539265 |
| 631030 | Dec 27, 2006 | Dec 27, 2006 | Occidental Permian Ltd. | Foster, H. C. #11 | 4,600 | 13539264 |
| 630897 | Dec 21, 2006 | Dec 21, 2006 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #392 | 6,800 | 13539263 |
| 630896 | Dec 21, 2006 | Dec 21, 2006 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #391 | 6,800 | 13539262 |
| 630611 | Dec 15, 2006 | Dec 15, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1770 | 5,100 | 13539261 |
| 630608 | Dec 15, 2006 | Dec 15, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1712 | 7,000 | 13539260 |
| 629027 | Dec 8, 2006 | Dec 8, 2006 | Rim Operating, Inc. | Connell, W. E. #3 | 4,900 | 13539249 |
| 630042 | Dec 6, 2006 | Dec 6, 2006 | XTO Energy Inc. | Connell, W. E. NCT-3 #45 | 8,950 | 13501451 |
| 629262 | Dec 6, 2006 | Dec 6, 2006 | XTO Energy Inc. | Goldsmith, C.A. et Al #698W | 6,150 | 13501076 |
| 629958 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Penwell Unit #4345 | 3,950 | 13501528 |
| 629857 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1716 | 6,700 | 13539257 |
| 629855 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1718 | 7,000 | 13539256 |
| 629852 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1720 | 7,000 | 13539255 |
| 629851 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1714 | 6,700 | 13539254 |
| 629833 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1710 | 7,000 | 13539253 |
| 629831 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1707 | 7,000 | 13539252 |
| 629830 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1705 | 7,000 | 13539251 |
| 629827 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1703 | 7,000 | 13539250 |
| 629439 | Dec 5, 2006 | Dec 5, 2006 | XTO Energy Inc. | Goldsmith, C. A. #1715 | 7,000 | 13539259 |
| 629908 | Dec 4, 2006 | Dec 4, 2006 | XTO Energy Inc. | Connell, W. E. NCT-1 #40 | 8,950 | 13501456 |
| 629142 | Dec 4, 2006 | Dec 4, 2006 | Henry Petroleum LP | Sallie "D" #4608 | 10,800 | 13539258 |
| 628964 | Nov 28, 2006 | Nov 28, 2006 | Conocophillips Company | Goldsmith Andector Unit #F 25 | 6,700 | 13539246 |
| 628945 | Nov 28, 2006 | Nov 28, 2006 | Conocophillips Company | Goldsmith Andector Unit #C150 | 6,700 | 13539245 |
| 628941 | Nov 28, 2006 | Nov 28, 2006 | Conocophillips Company | Goldsmith Andector Unit #B 45 | 6,700 | 13539244 |
| 628940 | Nov 28, 2006 | Nov 28, 2006 | Conocophillips Company | Goldsmith Andector Unit #B 35 | 6,700 | 13539243 |
| 628939 | Nov 28, 2006 | Nov 28, 2006 | Conocophillips Company | Goldsmith Andector Unit #F 2 | 6,700 | 13539242 |
| 628892 | Nov 28, 2006 | Nov 28, 2006 | Lario Oil & Gas Company | Blakeney D #5 | 3,950 | 13507766 |
| 629431 | Nov 27, 2006 | Nov 27, 2006 | XTO Energy Inc. | C.A. Goldsmith #1706 | 7,000 | 13539240 |
| 629440 | Nov 22, 2006 | Nov 22, 2006 | XTO Energy Inc. | C.A. Goldsmith #1713 | 7,000 | 13539241 |
| 628777 | Nov 21, 2006 | Nov 21, 2006 | Torch Energy Services, Inc. | Jordan San Andres Unit #B 1 | 3,580 | 13508811 |
| 629180 | Nov 17, 2006 | Nov 17, 2006 | Anadarko Petroleum Corporation | TXL South Unit #7203 | 7,500 | 13539239 |
| 629124 | Nov 17, 2006 | Nov 17, 2006 | Anadarko Petroleum Corporation | TXL South Unit #5712 | 7,500 | 13539237 |
| 629106 | Nov 16, 2006 | Nov 16, 2006 | Anadarko Petroleum Corporation | Txlsu #7007 | 8,000 | 13539236 |
| 628662 | Nov 16, 2006 | Nov 16, 2006 | Conocophillips Company | Embar #73 | 6,800 | 13539235 |
| 629019 | Nov 14, 2006 | Nov 14, 2006 | Neg Operating LLC | Parker Minerals, Ltd., et Al #1102 | 6,400 | 13539234 |
| 629019Amendment | Nov 14, 2006 | Nov 14, 2006 | Neg Operating LLC | Parker Minerals, Ltd., et Al #1102 | 6,400 | 13539234 |
| 628335 | Nov 13, 2006 | Nov 13, 2006 | XTO Energy Inc. | Penwell Unit #2320 | 4,100 | 13539224 |
| 628335Amendment | Nov 13, 2006 | Nov 13, 2006 | XTO Energy Inc. | Penwell Unit #2320 | 4,100 | 13539224 |
| 627450 | Nov 13, 2006 | Nov 13, 2006 | XTO Energy Inc. | Penwell Unit #1359 | 4,100 | 13539218 |
| 628410 | Nov 10, 2006 | Nov 10, 2006 | OXY USA WTP LP | Rhodes Cowden Unit #691 | 4,500 | 13539233 |
| 628408 | Nov 10, 2006 | Nov 10, 2006 | OXY USA WTP LP | Rhodes Cowden Unit #316 | 4,500 | 13539232 |
| 628393 | Nov 10, 2006 | Nov 10, 2006 | Occidental Permian Ltd. | North Cowden Unit #1588 | 5,000 | 13539226 |
| 628390 | Nov 10, 2006 | Nov 10, 2006 | Occidental Permian Ltd. | North Cowden Unit #1587 | 5,000 | 13539231 |
| 628385 | Nov 10, 2006 | Nov 10, 2006 | Occidental Permian Ltd. | North Cowden Unit #1586 | 5,000 | 13539230 |
| 628383 | Nov 10, 2006 | Nov 10, 2006 | Occidental Permian Ltd. | North Cowden Unit #1585 | 5,000 | 13539229 |
| 628381 | Nov 10, 2006 | Nov 10, 2006 | Occidental Permian Ltd. | North Cowden Unit #1584 | 5,000 | 13539228 |
| 628377 | Nov 10, 2006 | Nov 10, 2006 | Occidental Permian Ltd. | North Cowden Unit #1583 | 5,000 | 13539227 |
| 627428 | Nov 10, 2006 | Nov 10, 2006 | Imperial Gas Resources LLC | Williamson, Jessie #3 | 6,990 | 13508317 |
| 627428Amendment | Nov 10, 2006 | Nov 10, 2006 | Imperial Gas Resources LLC | Williamson, Jessie #3 | 7,000 | 13508317 |
| 628331 | Nov 3, 2006 | Nov 3, 2006 | XTO Energy Inc. | Penwell Unit #3329 | 4,100 | 13539225 |
| 628331Amendment | Nov 3, 2006 | Nov 3, 2006 | XTO Energy Inc. | Penwell Unit #3329 | 4,100 | 13539225 |
| 628330 | Nov 3, 2006 | Nov 3, 2006 | XTO Energy Inc. | Penwell Unit #2369 | 4,100 | 13539223 |
| 628330Amendment | Nov 3, 2006 | Nov 3, 2006 | XTO Energy Inc. | Penwell Unit #2369 | 4,100 | 13539223 |
| 628207 | Oct 27, 2006 | Oct 27, 2006 | Turrentine Oil & Gas, Inc. | Foster, H. S. Sec 10 #28 | 4,700 | 13539221 |
| 628206 | Oct 27, 2006 | Oct 27, 2006 | Turrentine Oil & Gas, Inc. | Foster, H. S. Sec 10 #29 | 4,700 | 13539222 |
| 628083 | Oct 26, 2006 | Oct 26, 2006 | Anadarko Petroleum Corporation | Gcdu #398 | 7,000 | 13539220 |
| 627675 | Oct 25, 2006 | Oct 25, 2006 | Rim Operating, Inc. | Judkins Townsite "A" #1 | 4,700 | 13539219 |
| 627623 | Oct 24, 2006 | Oct 24, 2006 | Lario Oil & Gas Company | Wallace A #2 | 3,900 | 13508276 |
| 627751 | Oct 19, 2006 | Oct 19, 2006 | Imperial Gas Resources LLC | Williamson, Jessie #A 5 | 6,990 | 13508090 |
| 625914 | Oct 19, 2006 | Oct 19, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #317 | 5,500 | 13539208 |
| 625913 | Oct 19, 2006 | Oct 19, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #115 | 5,500 | 13539207 |
| 625912 | Oct 19, 2006 | Oct 19, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #116 | 5,500 | 13539206 |
| 627275 | Oct 17, 2006 | Oct 17, 2006 | Merit Energy Company | Ratliff Ranch -B- #1043 | 11,490 | 13536740 |
| 627267 | Oct 16, 2006 | Oct 16, 2006 | Latigo Petroleum Texas, LP | South Foster Gbsa Unit #311 | 5,500 | 13539216 |
| 627418 | Oct 12, 2006 | Oct 12, 2006 | Paladin Energy Corp | William Moss #1 | 12,000 | 13536816 |
| 627418Amendment | Oct 12, 2006 | Oct 12, 2006 | Paladin Energy Corp. | Moss, William #1 | 12,000 | 13536816 |
| 627271 | Oct 11, 2006 | Oct 11, 2006 | Latigo Petroleum Texas, LP | Foster, H.S. "D" #5 | 5,500 | 13539217 |
| 627173 | Oct 9, 2006 | Oct 9, 2006 | XTO Energy Inc. | Connell, W. E. NCT-3 #45 | 8,950 | 13501451 |
| 627170 | Oct 6, 2006 | Oct 6, 2006 | Neg Operating LLC | Goldsmith Adobe Unit #4909 | 6,100 | 13539215 |
| 627170Amendment | Oct 6, 2006 | Oct 6, 2006 | Neg Operating LLC | Goldsmith Adobe Unit #4909 | 9,000 | 13539215 |
| 627169 | Oct 6, 2006 | Oct 6, 2006 | Neg Operating LLC | Goldsmith Adobe Unit #5008 | 6,100 | 13539214 |
| 627165 | Oct 6, 2006 | Oct 6, 2006 | Latigo Petroleum Texas, LP | Foster, H.S. "A" #29 | 5,500 | 13539213 |
| 626664 | Oct 5, 2006 | Oct 5, 2006 | Triad Energy Corporation | Phillips Midland National Bank #1 | 10,907 | 13535102 |
| 626871 | Oct 2, 2006 | Oct 2, 2006 | Latigo Petroleum Texas, LP | Foster Gbsa Unit #420 | 5,500 | 13539212 |
| 626324 | Sep 28, 2006 | Sep 28, 2006 | Henry Petroleum LP | Sallie #1304 | 10,800 | 13539211 |
| 626303 | Sep 28, 2006 | Sep 28, 2006 | Henry Petroleum LP | Sallie #1404 | 10,800 | 13539210 |
| 626301 | Sep 28, 2006 | Sep 28, 2006 | Henry Petroleum LP | Sallie "B" #207 | 10,800 | 13539209 |
| 625899 | Sep 20, 2006 | Sep 20, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #319 | 5,500 | 13539205 |
| 625896 | Sep 20, 2006 | Sep 20, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #314 | 5,500 | 13539204 |
| 625886 | Sep 20, 2006 | Sep 20, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #313 | 5,500 | 13539203 |
| 625876 | Sep 20, 2006 | Sep 20, 2006 | Latigo Petroleum Texas, LP | Moss Gbsa Unit #119 | 5,500 | 13539202 |
| 625680 | Sep 19, 2006 | Sep 19, 2006 | Anadarko Petroleum Corporation | TXL North Unit #998 | 7,000 | 13539199 |
| 625678 | Sep 19, 2006 | Sep 19, 2006 | Anadarko Petroleum Corporation | TXL North Unit #991 | 7,000 | 13539198 |
| 625676 | Sep 19, 2006 | Sep 19, 2006 | Anadarko Petroleum Corporation | Goldsmith Cummins Deep Unit #420 | 7,000 | 13539197 |
| 625676Amendment | Sep 19, 2006 | Sep 19, 2006 | Anadarko Petroleum Corporation | Goldsmith Cummins Deep Unit #420 | 7,000 | 13539197 |
| 625675 | Sep 19, 2006 | Sep 19, 2006 | Anadarko Petroleum Corporation | Goldsmith Cummins Deep Unit #397 | 7,000 | 13539196 |
| 625669 | Sep 19, 2006 | Sep 19, 2006 | Anadarko Petroleum Corporation | Goldsmith Cummins Deep Unit #421 | 7,000 | 13539195 |
| 625664 | Sep 19, 2006 | Sep 19, 2006 | Anadarko Petroleum Corporation | Goldsmith Cummins Deep Unit #422 | 7,000 | 13539194 |