| 608098 | Oct 19, 2005 | Oct 19, 2005 | Fasken Oil and Ranch, Ltd. | East Goldsmith San Andres Unit #2811H | 5,110 | 13531948 |
| 608097 | Oct 19, 2005 | Oct 19, 2005 | Fasken Oil and Ranch, Ltd. | East Goldsmith San Andres Unit #2805H | 5,130 | 13532025 |
| 608095 | Oct 19, 2005 | Oct 19, 2005 | Fasken Oil and Ranch, Ltd. | East Goldsmith San Andres Unit #2307H | 5,115 | 13531952 |
| 607362 | Oct 6, 2005 | Oct 6, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1632 | 7,200 | 13538960 |
| 607362Amendment | Oct 6, 2005 | Oct 6, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1633 | 7,200 | 13538960 |
| 607360 | Oct 6, 2005 | Oct 6, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1630 | 7,200 | 13538959 |
| 607359 | Oct 6, 2005 | Oct 6, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1629 | 7,200 | 13538958 |
| 607358 | Oct 6, 2005 | Oct 6, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1628 | 7,200 | 13538957 |
| 607357 | Oct 6, 2005 | Oct 6, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1627 | 7,200 | 13538954 |
| 607355 | Oct 6, 2005 | Oct 6, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1626 | 7,200 | 13538956 |
| 607353 | Oct 6, 2005 | Oct 6, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1625 | 7,200 | 13538955 |
| 607344 | Oct 6, 2005 | Oct 6, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1623 | 7,200 | 13538953 |
| 603693 | Oct 6, 2005 | Oct 6, 2005 | Conocophillips Company | Embar #642 | 6,650 | 13538918 |
| 607297 | Oct 4, 2005 | Oct 4, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1622 | 7,200 | 13538952 |
| 607297Amendment | Oct 4, 2005 | Oct 4, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1622 | 7,200 | 13538952 |
| 607272 | Oct 4, 2005 | Oct 4, 2005 | XTO Energy Inc. | Goldsmith, C.A. Etal #1621 | 7,200 | 13538951 |
| 607240 | Oct 4, 2005 | Oct 4, 2005 | XTO Energy Inc. | Goldsmith, C.A., Etal #1620 | 7,200 | 13538950 |
| 607228 | Oct 4, 2005 | Oct 4, 2005 | Occidental Permian Ltd. | Cowden, Elliott F. -B- #75 | 9,465 | 13531667 |
| 536382Amendment | Sep 28, 2005 | Sep 28, 2005 | Imperial Gas Resources LLC | Williamson, Jessie #4 | 10,000 | 13508318 |
| 536382Amendment | Sep 28, 2005 | Sep 28, 2005 | Imperial Gas Resources LLC | Williamson, Jessie #4 | 8,300 | 13508318 |
| 606864 | Sep 26, 2005 | Sep 26, 2005 | Fasken Oil and Ranch, Ltd. | Grayburg Gas Unit X #2 | 4,000 | 13507796 |
| 606790 | Sep 23, 2005 | Sep 23, 2005 | Latigo Petroleum Texas, LP | S. Foster Gbsa Unit #206W | 4,850 | 13521339 |
| 606677 | Sep 23, 2005 | Sep 23, 2005 | Gray, W. H. Operating | Moss, Paul Etal. #C 1 | 4,215 | 13502196 |
| 606544 | Sep 23, 2005 | Sep 23, 2005 | Eureka Prospecting Company | Ratliff, Sallie W. "A" #3H | 12,250 | 13505010 |
| 606544Amendment | Sep 23, 2005 | Sep 23, 2005 | Eureka Prospecting Company | Ratliff, S. W. -A- #3H | 12,200 | 13505010 |
| 606579 | Sep 20, 2005 | Sep 20, 2005 | Occidental Permian Ltd. | Cowden, Elliott F. -B- #99 | 9,465 | 13534485 |
| 605475 | Sep 15, 2005 | Sep 15, 2005 | Neg Operating LLC | Parker Minerals, Ltd., et Al #4803 | 6,500 | 13538926 |
| 606294 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #1418 | 4,500 | 13538948 |
| 606292 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #1815 | 4,500 | 13538946 |
| 606291 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #1509W | 4,500 | 13538947 |
| 606290 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #1510W | 4,500 | 13538945 |
| 606252 | Sep 14, 2005 | Sep 14, 2005 | Occidental Permian Ltd. | North Cowden Unit #1582 | 5,000 | 13538944 |
| 606212 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #211 | 4,500 | 13538943 |
| 606211 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #1009 | 4,500 | 13538942 |
| 606209 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #329 | 4,500 | 13538941 |
| 606206 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #1219 | 4,500 | 13538940 |
| 606203 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #1220 | 4,500 | 13538939 |
| 606197 | Sep 14, 2005 | Sep 14, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #1417 | 4,500 | 13538938 |
| 605756 | Sep 2, 2005 | Sep 2, 2005 | Fasken Oil and Ranch, Ltd. | East Goldsmith San Andres Unit #2816 | 4,390 | 13538854 |
| 605656 | Aug 31, 2005 | Aug 31, 2005 | Occidental Permian Ltd. | North Cowden Unit #1581 | 5,000 | 13538933 |
| 605655 | Aug 31, 2005 | Aug 31, 2005 | Occidental Permian Ltd. | North Cowden Unit #1580 | 5,000 | 13538934 |
| 605655Amendment | Aug 31, 2005 | Aug 31, 2005 | Occidental Permian Ltd. | North Cowden Unit #1580 | 5,000 | 13538934 |
| 605644 | Aug 31, 2005 | Aug 31, 2005 | Occidental Permian Ltd. | North Cowden Unit #1577 | 5,000 | 13538935 |
| 605644Amendment | Aug 31, 2005 | Aug 31, 2005 | Occidental Permian Ltd. | North Cowden Unit #1577 | 5,000 | 13538935 |
| 605636 | Aug 31, 2005 | Aug 31, 2005 | Occidental Permian Ltd. | North Cowden Unit #1576 | 5,000 | 13538930 |
| 605632 | Aug 31, 2005 | Aug 31, 2005 | Occidental Permian Ltd. | North Cowden Unit #1575 | 5,000 | 13538929 |
| 605651 | Aug 30, 2005 | Aug 30, 2005 | Occidental Permian Ltd. | North Cowden Unit #1579 | 5,000 | 13538932 |
| 605646 | Aug 30, 2005 | Aug 30, 2005 | Occidental Permian Ltd. | North Cowden Unit #1578 | 5,000 | 13538931 |
| 605630 | Aug 30, 2005 | Aug 30, 2005 | Occidental Permian Ltd. | North Cowden Unit #1574 | 5,000 | 13538928 |
| 605473 | Aug 26, 2005 | Aug 26, 2005 | Neg Operating LLC | Parker Minerals, Ltd., et Al #4802 | 6,500 | 13538927 |
| 605037 | Aug 16, 2005 | Aug 16, 2005 | Neg Operating LLC | Parker Minerals, Ltd., et Al #4804 | 6,500 | 13538925 |
| 604901 | Aug 15, 2005 | Aug 15, 2005 | Latigo Petroleum Texas, LP | Foster Gbsa Unit #208 | 5,500 | 13501952 |
| 604781 | Aug 11, 2005 | Aug 11, 2005 | Fasken Oil and Ranch, Ltd. | Grayburg Gas Unit IX #4 | 4,800 | 13507777 |
| 604334 | Aug 4, 2005 | Aug 4, 2005 | Fasken Oil and Ranch, Ltd. | Grayburg Gas Unit Xiv #3 | 4,895 | 13507812 |
| 604197 | Aug 1, 2005 | Aug 1, 2005 | Henry Petroleum LP | Sallie "B" #1207 | 10,800 | 13538924 |
| 604196 | Aug 1, 2005 | Aug 1, 2005 | Henry Petroleum LP | Sallie "B" #1206 | 10,800 | 13538923 |
| 604188 | Jul 29, 2005 | Jul 29, 2005 | Henry Petroleum LP | Sallie #2309 | 10,800 | 13538922 |
| 604020 | Jul 27, 2005 | Jul 27, 2005 | Anadarko Petroleum Corporation | TXL North Unit #960 | 7,000 | 13538921 |
| 604018 | Jul 27, 2005 | Jul 27, 2005 | Anadarko Petroleum Corporation | TXL North Unit #959 | 7,000 | 13538920 |
| 603743 | Jul 21, 2005 | Jul 21, 2005 | Conocophillips Company | Goldsmith Andector Unit #1052N | 6,550 | 13538919 |
| 603237 | Jul 12, 2005 | Jul 12, 2005 | Energen Resources Corporation | East Penwell San Andres Unit #402W | 3,960 | 13507908 |
| 602805 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #U 92 | 6,550 | 13538917 |
| 602800 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #T952 | 6,550 | 13538916 |
| 602794 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #T852 | 6,550 | 13538915 |
| 602792 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #N952 | 6,550 | 13538914 |
| 602774 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #N125 | 6,550 | 13538913 |
| 602772 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #N102 | 6,550 | 13538912 |
| 602762 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #L 45 | 6,550 | 13538911 |
| 602755 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #J125 | 6,550 | 13538910 |
| 602748 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #1152F | 6,550 | 13538909 |
| 602742 | Jun 30, 2005 | Jun 30, 2005 | Conocophillips Company | Goldsmith Andector Unit #C105 | 6,550 | 13538908 |
| 602595 | Jun 29, 2005 | Jun 29, 2005 | COG Operating LLC | Shoe Bar "E" #1 | 7,920 | 13536095 |
| 602595Amendment | Jun 29, 2005 | Jun 29, 2005 | COG Operating LLC | Shoe Bar "E" #1 | 10,895 | 13536095 |
| 602655 | Jun 28, 2005 | Jun 28, 2005 | Henry Petroleum LP | Sallie "A" #2601 | 10,800 | 13538907 |
| 602655Amendment | Jun 28, 2005 | Jun 28, 2005 | Henry Petroleum LP | Sallie "A" #2601 | 10,800 | 13538907 |
| 602406 | Jun 22, 2005 | Jun 22, 2005 | Anadarko Petroleum Corporation | TXL North Unit #958 | 7,000 | 13538906 |
| 602201 | Jun 17, 2005 | Jun 17, 2005 | OXY USA WTP LP | Machette #1 | 9,000 | 13538905 |
| 601570 | Jun 13, 2005 | Jun 13, 2005 | Conocophillips Company | Cowden, Clyde #204 | 7,100 | 13538904 |
| 601570Amendment | Jun 13, 2005 | Jun 13, 2005 | Conocophillips Company | Cowden, Clyde #204 | 7,100 | 13538904 |
| 601134 | May 24, 2005 | May 24, 2005 | Anadarko Petroleum Corporation | TXL North Unit #955 | 7,000 | 13538903 |
| 601131 | May 24, 2005 | May 24, 2005 | Anadarko Petroleum Corporation | TXL North Unit #956 | 7,000 | 13538902 |
| 600958 | May 20, 2005 | May 20, 2005 | Cambrian Management Ltd | Cummins N #1 | 9,513 | 13500126 |
| 600822 | May 19, 2005 | May 19, 2005 | Anadarko Petroleum Corporation | TXL North Unit #957 | 7,000 | 13538901 |
| 600142 | May 17, 2005 | May 17, 2005 | Andector Exploration Company | Cowden K #1 | 5,765 | 13500289 |
| 600594 | May 12, 2005 | May 12, 2005 | Neg Operating LLC | Goldsmith Adobe Unit #3713 | 6,100 | 13538900 |
| 600593 | May 12, 2005 | May 12, 2005 | Neg Operating LLC | Goldsmith Adobe Unit #3714 | 6,100 | 13538899 |
| 600246 | May 9, 2005 | May 9, 2005 | Latigo Petroleum Texas, LP | S. Foster Gbsa Umit #102 | 4,600 | 13504688 |
| 600244 | May 9, 2005 | May 9, 2005 | Latigo Petroleum Texas, LP | S.foster Gbsa Unit #103 | 4,600 | 13504689 |
| 600286 | May 5, 2005 | May 5, 2005 | Griffin Petroleum Company | Dylan #1 | 10,200 | 13538898 |
| 600102 | May 5, 2005 | May 5, 2005 | Anadarko Petroleum Corporation | TXL South Unit #7513 | 7,000 | 13538897 |
| 561239 | May 3, 2005 | May 3, 2005 | Armor Petroleum, Inc. | TXL #2 | 7,650 | 13505499 |
| 561077 | Apr 28, 2005 | Apr 28, 2005 | Anadarko Petroleum Corporation | Gcdu #383 | 7,000 | 13538895 |
| 561076 | Apr 28, 2005 | Apr 28, 2005 | Anadarko Petroleum Corporation | Gcdu #381 | 7,000 | 13538894 |
| 561075 | Apr 28, 2005 | Apr 28, 2005 | Anadarko Petroleum Corporation | Gcdu #382 | 7,000 | 13538893 |
| 561127 | Apr 27, 2005 | Apr 27, 2005 | Apache Corporation | Barrow, Augusta #16 | 8,300 | 13510042 |
| 561047 | Apr 26, 2005 | Apr 26, 2005 | Anadarko Petroleum Corporation | Gcdu #380 | 7,000 | 13538892 |
| 561046 | Apr 26, 2005 | Apr 26, 2005 | Anadarko Petroleum Corporation | Gcdu #379 | 7,000 | 13538891 |
| 560905 | Apr 26, 2005 | Apr 26, 2005 | Neg Operating LLC | Parker Minerals, Ltd., et Al #201 | 8,800 | 13538890 |
| 560790 | Apr 22, 2005 | Apr 22, 2005 | Anadarko Petroleum Corporation | TXL South Unit #7512 | 7,000 | 13538887 |
| 560788 | Apr 22, 2005 | Apr 22, 2005 | Anadarko Petroleum Corporation | TXL South Unit #7110 | 7,000 | 13538889 |