| 560788Amendment | Apr 22, 2005 | Apr 22, 2005 | Anadarko Petroleum Corporation | TXL South Unit #7110 | 7,000 | 13538889 |
| 560786 | Apr 22, 2005 | Apr 22, 2005 | Anadarko Petroleum Corporation | TXL South Unit #7109 | 7,000 | 13538883 |
| 560784 | Apr 22, 2005 | Apr 22, 2005 | Anadarko Petroleum Corporation | TXL South Unit #7108 | 7,000 | 13538884 |
| 560784Amendment | Apr 22, 2005 | Apr 22, 2005 | Anadarko Petroleum Corporation | TXL South Unit #7108 | 7,000 | 13538884 |
| 560782 | Apr 22, 2005 | Apr 22, 2005 | Anadarko Petroleum Corporation | TXL South Unit #5918 | 7,000 | 13538888 |
| 560780 | Apr 22, 2005 | Apr 22, 2005 | Anadarko Petroleum Corporation | TXL South Unit #5711 | 7,000 | 13538886 |
| 560778 | Apr 22, 2005 | Apr 22, 2005 | Anadarko Petroleum Corporation | TXL South Unit #5710 | 7,000 | 13538885 |
| 560667 | Apr 18, 2005 | Apr 18, 2005 | Schalk Oil Company, Inc. | Edwards #1 | 6,000 | 13538882 |
| 560667Amendment | Apr 18, 2005 | Apr 18, 2005 | Schalk Oil Company, Inc. | Edwards #1 | 6,000 | 13538882 |
| 560472 | Apr 14, 2005 | Apr 14, 2005 | OXY USA WTP LP | Foster 8-3 #3 | 9,500 | 13538881 |
| 560326 | Apr 14, 2005 | Apr 14, 2005 | Conocophillips Company | Goldsmith Andector Unit #F135 | 6,550 | 13538880 |
| 560310 | Apr 14, 2005 | Apr 14, 2005 | Conocophillips Company | Goldsmith Andector Unit #K 35 | 6,550 | 13538879 |
| 560303 | Apr 14, 2005 | Apr 14, 2005 | Conocophillips Company | Goldsmith Andector Unit #H 35 | 6,550 | 13538878 |
| 560302 | Apr 14, 2005 | Apr 14, 2005 | Conocophillips Company | Goldsmith Andector Unit #F185 | 6,550 | 13538877 |
| 560300 | Apr 14, 2005 | Apr 14, 2005 | Conocophillips Company | Goldsmith Andector Unit #E125 | 6,550 | 13538876 |
| 560267 | Apr 14, 2005 | Apr 14, 2005 | Anadarko Petroleum Corporation | TXL South Unit #2508 | 7,000 | 13538875 |
| 560266 | Apr 14, 2005 | Apr 14, 2005 | Anadarko Petroleum Corporation | TXL South Unit #2510 | 7,000 | 13538874 |
| 560262 | Apr 14, 2005 | Apr 14, 2005 | Anadarko Petroleum Corporation | TXL South Unit #2509 | 7,000 | 13538873 |
| 560162 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C. A., Etal #1614 | 7,200 | 13538858 |
| 560161 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1613 | 7,200 | 13538859 |
| 560160 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C. A., Etal #1612 | 7,200 | 13538860 |
| 560159 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1611 | 7,200 | 13538861 |
| 560158 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1610 | 7,200 | 13538862 |
| 560157 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1609 | 10,500 | 13538863 |
| 560156 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1608 | 8,500 | 13538864 |
| 560155 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1607 | 8,500 | 13538865 |
| 560154 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1606 | 8,500 | 13538866 |
| 560153 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1605 | 7,200 | 13538867 |
| 560152 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #2005 | 7,200 | 13538868 |
| 560151 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #2003 | 7,200 | 13538869 |
| 560150 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #2002 | 7,200 | 13538870 |
| 560149 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #2001 | 7,200 | 13538871 |
| 560148 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C. A., Etal #2004 | 7,200 | 13538872 |
| 560144 | Apr 8, 2005 | Apr 8, 2005 | XTO Energy Inc. | Goldsmith, C. A., Etal #1615 | 7,200 | 13538857 |
| 546135 | Apr 8, 2005 | Apr 8, 2005 | Anadarko Petroleum Corporation | TXL North Unit #929 | 7,000 | 13538643 |
| 546135Amendment | Apr 8, 2005 | Apr 8, 2005 | Anadarko Petroleum Corporation | TXL North Unit #929 | 7,000 | 13538643 |
| 559630 | Apr 4, 2005 | Apr 4, 2005 | Anadarko Petroleum Corporation | TXL South Unit #2225 | 7,000 | 13538855 |
| 558536Amendment | Mar 29, 2005 | Mar 29, 2005 | Conocophillips Company | Cowden, Clyde #189 | 6,900 | 13538853 |
| 558459Amendment | Mar 29, 2005 | Mar 29, 2005 | Conocophillips Company | Cowden, Clyde #190 | 6,950 | 13538850 |
| 558533Amendment | Mar 28, 2005 | Mar 28, 2005 | Conocophillips Company | Cowden, Clyde #188 | 6,900 | 13538852 |
| 558525Amendment | Mar 25, 2005 | Mar 25, 2005 | Conocophillips Company | Cowden, Clyde #187 | 6,900 | 13538851 |
| 559008 | Mar 17, 2005 | Mar 17, 2005 | Fasken Oil and Ranch, Ltd. | Goldsmith, East Holt Unit #2816 | 6,000 | 13538854 |
| 556867 | Mar 11, 2005 | Mar 11, 2005 | Conocophillips Company | Embar #70 | 6,650 | 13538830 |
| 558536 | Mar 10, 2005 | Mar 10, 2005 | Conocophillips Company | Cowden, Clyde #189 | 6,600 | 13538853 |
| 558533 | Mar 10, 2005 | Mar 10, 2005 | Conocophillips Company | Cowden, Clyde #188 | 6,550 | 13538852 |
| 558525 | Mar 10, 2005 | Mar 10, 2005 | Conocophillips Company | Cowden, Clyde #187 | 6,500 | 13538851 |
| 557707 | Mar 10, 2005 | Mar 10, 2005 | Latigo Petroleum Texas, LP | South Foster Gbsau #110 | 5,000 | 13538844 |
| 558459 | Mar 9, 2005 | Mar 9, 2005 | Conocophillips Company | Cowden, Clyde #190 | 6,650 | 13538850 |
| 557252Amendment | Mar 8, 2005 | Mar 8, 2005 | Conocophillips Company | Cowden, Clyde #W 16 R | 6,150 | 13538837 |
| 558514 | Mar 3, 2005 | Mar 3, 2005 | EOG Resources, Inc. | Yarbrough & Allen #87RH | 11,000 | 13530484 |
| 558358 | Mar 1, 2005 | Mar 1, 2005 | OXY USA WTP LP | South Cowden Canyon Unit #40 | 9,300 | 13538848 |
| 557919 | Feb 25, 2005 | Feb 25, 2005 | Latigo Petroleum Texas, LP | Foster, H. S. "C" #7 | 4,775 | 13532180 |
| 558085 | Feb 23, 2005 | Feb 23, 2005 | OXY USA WTP LP | Shashka #1 | 9,000 | 13538847 |
| 557745 | Feb 23, 2005 | Feb 23, 2005 | Citation Oil & Gas Corp. | Jordan University Unit #527 | 3,810 | 13505056 |
| 557712 | Feb 22, 2005 | Feb 22, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau #219 | 5,000 | 13538839 |
| 557711 | Feb 22, 2005 | Feb 22, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau #221 | 5,000 | 13538842 |
| 557710 | Feb 22, 2005 | Feb 22, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau #625 | 5,000 | 13538841 |
| 557710Amendment | Feb 22, 2005 | Feb 22, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau Unit #625 | 5,000 | 13538841 |
| 557706 | Feb 22, 2005 | Feb 22, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau #217 | 5,000 | 13538845 |
| 557713 | Feb 18, 2005 | Feb 18, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau #218 | 5,000 | 13538838 |
| 557713Amendment | Feb 18, 2005 | Feb 18, 2005 | Latigo Petroleum Texas, LP | Foster Gbsa Unit #218 | 5,000 | 13538838 |
| 557709 | Feb 18, 2005 | Feb 18, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau #624 | 5,000 | 13538840 |
| 557708 | Feb 18, 2005 | Feb 18, 2005 | Latigo Petroleum Texas, LP | South Foster Gbsau #308 | 5,000 | 13538843 |
| 557705 | Feb 18, 2005 | Feb 18, 2005 | Latigo Petroleum Texas, LP | South Foster Gbsau #310 | 5,000 | 13538846 |
| 557041 | Feb 15, 2005 | Feb 15, 2005 | Conocophillips Company | Goldsmith Andector Unit #J 25 | 6,550 | 13538836 |
| 557252 | Feb 4, 2005 | Feb 4, 2005 | Conocophillips Company | Cowden, Clyde #W 16R | 6,150 | 13538837 |
| 557034 | Feb 1, 2005 | Feb 1, 2005 | Conocophillips Company | Goldsmith Andector Unit #H145 | 6,550 | 13538835 |
| 557021 | Feb 1, 2005 | Feb 1, 2005 | Conocophillips Company | Goldsmith Andector Unit #H 65 | 6,550 | 13538834 |
| 557043 | Jan 31, 2005 | Jan 31, 2005 | Latigo Petroleum Texas, LP | Foster, H.S. #17 | 5,000 | 13538833 |
| 556933 | Jan 31, 2005 | Jan 31, 2005 | Conocophillips Company | Goldsmith Andector Unit #K 45 | 6,550 | 13538832 |
| 556902 | Jan 31, 2005 | Jan 31, 2005 | Conocophillips Company | Embar #71 | 6,650 | 13538831 |
| 556606 | Jan 26, 2005 | Jan 26, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau #220 | 5,000 | 13538822 |
| 556606Amendment | Jan 26, 2005 | Jan 26, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau #220 | 5,500 | 13538822 |
| 556605 | Jan 26, 2005 | Jan 26, 2005 | Latigo Petroleum Texas, LP | Foster, H. S. "C" #13 | 5,000 | 13538825 |
| 556604 | Jan 26, 2005 | Jan 26, 2005 | Latigo Petroleum Texas, LP | Foster, H. S. "C" #14 | 5,000 | 13538823 |
| 556603 | Jan 26, 2005 | Jan 26, 2005 | Latigo Petroleum Texas, LP | Foster, H. S. "C" #12 | 5,000 | 13538824 |
| 556602 | Jan 26, 2005 | Jan 26, 2005 | Latigo Petroleum Texas, LP | Foster, H. S. #18 | 5,000 | 13538826 |
| 556601 | Jan 26, 2005 | Jan 26, 2005 | Latigo Petroleum Texas, LP | Foster Gbsau #626 | 5,000 | 13538827 |
| 556600 | Jan 26, 2005 | Jan 26, 2005 | Latigo Petroleum Texas, LP | Foster, H. S. #19 | 5,000 | 13538828 |
| 556599 | Jan 26, 2005 | Jan 26, 2005 | Latigo Petroleum Texas, LP | South Foster Gbsau #307 | 5,000 | 13538829 |
| 556223 | Jan 21, 2005 | Jan 21, 2005 | Latigo Petroleum Texas, LP | Foster, H.S. "C" #11 | 5,000 | 13538821 |
| 556260 | Jan 20, 2005 | Jan 20, 2005 | Chevron U. S. A. Inc. | Blakeney, B. H. #4R | 6,000 | 13538820 |
| 556260Amendment | Jan 20, 2005 | Jan 20, 2005 | Chevron U. S. A. Inc. | Blakeney, B. H. #4 | 6,000 | 13538820 |
| 556175 | Jan 19, 2005 | Jan 19, 2005 | Latigo Petroleum Texas, LP | Foster, H.S. "C" #10 | 5,000 | 13538818 |
| 556192 | Jan 18, 2005 | Jan 18, 2005 | EOG Resources, Inc. | Yarbrough & Allen #4 HH | 8,800 | 13538819 |
| 556051 | Jan 14, 2005 | Jan 14, 2005 | Conocophillips Company | Goldsmith Andector Unit #U125 | 6,550 | 13538816 |
| 556049 | Jan 14, 2005 | Jan 14, 2005 | Conocophillips Company | Goldsmith Andector Unit #R125 | 6,550 | 13538815 |
| 556048 | Jan 14, 2005 | Jan 14, 2005 | Conocophillips Company | Goldsmith Andector Unit #P 95 | 6,550 | 13538814 |
| 556098 | Jan 12, 2005 | Jan 12, 2005 | EOG Resources, Inc. | Yarbrough & Allen #21HH | 11,000 | 13505229 |
| 555966 | Jan 12, 2005 | Jan 12, 2005 | Latigo Petroleum Texas, LP | Foster, H.S. #20 | 5,000 | 13538817 |
| 555914 | Jan 10, 2005 | Jan 10, 2005 | OXY USA WTP LP | Scimitar #6 | 9,000 | 13538812 |
| 555912 | Jan 10, 2005 | Jan 10, 2005 | OXY USA WTP LP | Scimitar #5 | 9,000 | 13538813 |
| 555630 | Jan 7, 2005 | Jan 7, 2005 | XTO Energy Inc. | Goldsmith, C.A., et Al #1604 | 7,200 | 13538808 |
| 555629 | Jan 7, 2005 | Jan 7, 2005 | XTO Energy Inc. | Goldsmith, C.A., et Al #1600 | 7,200 | 13538809 |
| 554940 | Jan 7, 2005 | Jan 7, 2005 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #368 | 6,500 | 13538800 |
| 554939 | Jan 7, 2005 | Jan 7, 2005 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #367 | 6,500 | 13538796 |
| 554938 | Jan 7, 2005 | Jan 7, 2005 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #366 | 6,500 | 13538811 |
| 554934 | Jan 7, 2005 | Jan 7, 2005 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #364 | 6,500 | 13538795 |
| 554933 | Jan 7, 2005 | Jan 7, 2005 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #363 | 6,500 | 13538793 |
| 554878 | Jan 7, 2005 | Jan 7, 2005 | Occidental Permian Ltd. | Blakeney #11 | 6,500 | 13538789 |