| 505687 | Mar 21, 2001 | Mar 21, 2001 | Pure Resources, L.P. | Holt, O. B. "C" #27 | 5,500 | 13538007 |
| 506723 | Mar 20, 2001 | Mar 20, 2001 | OXY USA WTP LP | Diamond Lil #1 | 12,600 | 13538047 |
| 506531 | Mar 15, 2001 | Mar 15, 2001 | Four Star Oil and Gas Company | Headlee Devonian Unit #4903HH | 16,000 | 13508747 |
| 506411 | Mar 13, 2001 | Mar 13, 2001 | Occidental Permian Ltd. | North Cowden Unit #1538 | 4,800 | 13538041 |
| 506410 | Mar 13, 2001 | Mar 13, 2001 | Occidental Permian Ltd. | North Cowden Unit #1537 | 4,800 | 13538040 |
| 506409 | Mar 13, 2001 | Mar 13, 2001 | Occidental Permian Ltd. | North Cowden Unit #1536 | 4,800 | 13538039 |
| 506408 | Mar 13, 2001 | Mar 13, 2001 | Occidental Permian Ltd. | North Cowden Unit #1535 | 4,800 | 13538038 |
| 506407 | Mar 13, 2001 | Mar 13, 2001 | Occidental Permian Ltd. | North Cowden Unit #1521 | 4,800 | 13538037 |
| 506406 | Mar 13, 2001 | Mar 13, 2001 | Occidental Permian Ltd. | North Cowden Unit #499 | 4,800 | 13520206 |
| 506325 | Mar 12, 2001 | Mar 12, 2001 | Occidental Permian Ltd. | Witcher, J. E. #117 | 4,600 | 13538035 |
| 506324 | Mar 12, 2001 | Mar 12, 2001 | Occidental Permian Ltd. | Witcher, J. E. #116 | 4,600 | 13538031 |
| 506323 | Mar 12, 2001 | Mar 12, 2001 | Occidental Permian Ltd. | Witcher, J. E. #114 | 4,600 | 13538034 |
| 506322 | Mar 12, 2001 | Mar 12, 2001 | Occidental Permian Ltd. | Witcher, J. E. #112 | 4,600 | 13538033 |
| 506321 | Mar 12, 2001 | Mar 12, 2001 | Occidental Permian Ltd. | Witcher, J. E. #110 | 4,600 | 13538032 |
| 506320 | Mar 12, 2001 | Mar 12, 2001 | Occidental Permian Ltd. | Witcher, J. E. A #16 | 4,600 | 13538036 |
| 506313 | Mar 12, 2001 | Mar 12, 2001 | Phillips Petroleum Company | South Cowden Unit #220H | 4,580 | 13533899 |
| 506129 | Mar 6, 2001 | Mar 6, 2001 | Pure Resources, L.P. | Holt, O. B., Jr. #2Q | 4,200 | 13538030 |
| 506103 | Mar 6, 2001 | Mar 6, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #342 | 6,500 | 13538029 |
| 506102 | Mar 6, 2001 | Mar 6, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #341 | 6,500 | 13538028 |
| 506101 | Mar 6, 2001 | Mar 6, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #336 | 6,500 | 13538027 |
| 506100 | Mar 6, 2001 | Mar 6, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #321 | 6,500 | 13538026 |
| 506099 | Mar 6, 2001 | Mar 6, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #320 | 6,500 | 13538025 |
| 506038 | Mar 2, 2001 | Mar 2, 2001 | Anadarko Petroleum Corp. | TXL North Unit #879 | 7,000 | 13538024 |
| 506038Amendment | Mar 2, 2001 | Mar 2, 2001 | Anadarko Petroleum Corp. | TXL North Unit #879 | 7,000 | 13538024 |
| 505919 | Feb 28, 2001 | Feb 28, 2001 | Pure Resources, L.P. | Johnson, J. L. -AB- #181 | 4,200 | 13535218 |
| 505919Amendment | Feb 28, 2001 | Feb 28, 2001 | Pure Resources, L.P. | Johnson, J. L. -AB- #181 | 4,600 | 13535218 |
| 505908 | Feb 28, 2001 | Feb 28, 2001 | Occidental Permian Ltd. | North Cowden Unit #1525 | 4,800 | 13538023 |
| 505907 | Feb 28, 2001 | Feb 28, 2001 | Occidental Permian Ltd. | North Cowden Unit #1514 | 4,800 | 13538019 |
| 505906 | Feb 28, 2001 | Feb 28, 2001 | Occidental Permian Ltd. | North Cowden Unit #1516 | 4,800 | 13538020 |
| 505905 | Feb 28, 2001 | Feb 28, 2001 | Occidental Permian Ltd. | North Cowden Unit #1520 | 4,800 | 13538021 |
| 505904 | Feb 28, 2001 | Feb 28, 2001 | Occidental Permian Ltd. | North Cowden Unit #1511 | 4,800 | 13538022 |
| 505847 | Feb 27, 2001 | Feb 27, 2001 | Occidental Permian Ltd. | Witcher, J. E. PB #27 | 4,600 | 13538018 |
| 505845 | Feb 27, 2001 | Feb 27, 2001 | Occidental Permian Ltd. | Witcher, J. E. PB #26 | 4,600 | 13538017 |
| 505715 | Feb 23, 2001 | Feb 23, 2001 | OXY USA WTP LP | Hot Lips #2 | 8,900 | 13538016 |
| 505675 | Feb 23, 2001 | Feb 23, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #T 10 | 6,550 | 13538010 |
| 505674 | Feb 23, 2001 | Feb 23, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #N105 | 6,550 | 13538011 |
| 505673 | Feb 23, 2001 | Feb 23, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #F 65 | 6,550 | 13538012 |
| 505672 | Feb 23, 2001 | Feb 23, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #C 35 | 6,550 | 13538013 |
| 505671 | Feb 23, 2001 | Feb 23, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #C 9 | 6,550 | 13538014 |
| 505670 | Feb 23, 2001 | Feb 23, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #L 95 | 6,550 | 13538015 |
| 505514 | Feb 20, 2001 | Feb 20, 2001 | Anadarko Petroleum Corp. | TXL South Unit #3725W | 6,600 | 13538006 |
| 505437 | Feb 16, 2001 | Feb 16, 2001 | Phillips Petroleum Company | North Penwell Unit #255 | 5,050 | 13538005 |
| 505437Amendment | Feb 16, 2001 | Feb 16, 2001 | Phillips Petroleum Company | North Penwell Unit #255 | 5,050 | 13538005 |
| 505420 | Feb 16, 2001 | Feb 16, 2001 | Occidental Permian Ltd. | North Cowden Unit #622H | 4,800 | 13530889 |
| 505418 | Feb 16, 2001 | Feb 16, 2001 | Occidental Permian Ltd. | Witcher, J. E. PB #28 | 4,600 | 13538004 |
| 505334 | Feb 15, 2001 | Feb 15, 2001 | Occidental Permian Ltd. | Witcher, J. E. A #18 | 4,600 | 13537982 |
| 505333 | Feb 15, 2001 | Feb 15, 2001 | Occidental Permian Ltd. | Witcher, J. E. #113 | 4,600 | 13538003 |
| 505108 | Feb 9, 2001 | Feb 9, 2001 | Phillips Petroleum Company | North Penwell Unit #254 | 4,250 | 13538002 |
| 505107 | Feb 9, 2001 | Feb 9, 2001 | Phillips Petroleum Company | North Penwell Unit #242 | 5,050 | 13538001 |
| 505106 | Feb 9, 2001 | Feb 9, 2001 | Phillips Petroleum Company | North Penwell Unit #241 | 5,050 | 13538000 |
| 505105 | Feb 9, 2001 | Feb 9, 2001 | Phillips Petroleum Company | North Penwell Unit #240 | 5,050 | 13537999 |
| 505104 | Feb 9, 2001 | Feb 9, 2001 | Phillips Petroleum Company | North Penwell Unit #239 | 5,050 | 13537998 |
| 505032 | Feb 7, 2001 | Feb 7, 2001 | Occidental Permian Ltd. | North Cowden Unit #1489H | 4,800 | 13537158 |
| 505031 | Feb 7, 2001 | Feb 7, 2001 | Occidental Permian Ltd. | Witcher, J. E. PA #16 | 4,600 | 13537997 |
| 505025 | Feb 7, 2001 | Feb 7, 2001 | National Energy Group, Inc. | Goldsmith Adobe Unit #2408 | 6,100 | 13537996 |
| 504970 | Feb 6, 2001 | Feb 6, 2001 | Triad Energy Corporation | Woods, E. N. #20 | 4,700 | 13537995 |
| 504818 | Feb 6, 2001 | Feb 6, 2001 | M & J Energy, Inc. | North Goldsmith Gas Unit No. 2 #3C | 4,790 | 13503165 |
| 503877 | Feb 5, 2001 | Feb 5, 2001 | Southwest Royalties, Inc. | Pinnacle #3 | 5,600 | 13537713 |
| 504913 | Feb 2, 2001 | Feb 2, 2001 | Rust Oil Corp. | Westlake "8" #1 | 1,500 | 13537994 |
| 504750 | Jan 31, 2001 | Jan 31, 2001 | Occidental Permian Ltd. | Witcher, J. E. #115 | 4,600 | 13537993 |
| 504683 | Jan 30, 2001 | Jan 30, 2001 | Occidental Permian Ltd. | Witcher, J. E. #111 | 4,600 | 13537992 |
| 504413 | Jan 30, 2001 | Jan 30, 2001 | Chevron U. S. A. Inc. | Goldsmith, C. A. et Al #3002D | 8,100 | 13537978 |
| 503745 | Jan 30, 2001 | Jan 30, 2001 | Pure Resources, L.P. | North Foster Unit #176 | 4,500 | 13537958 |
| 504621 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #340 | 6,500 | 13537991 |
| 504620 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #335 | 6,500 | 13537990 |
| 504619 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #334 | 6,500 | 13537989 |
| 504618 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #332 | 6,500 | 13537988 |
| 504617 | Jan 29, 2001 | Jan 29, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #331 | 6,500 | 13537987 |
| 504546 | Jan 26, 2001 | Jan 26, 2001 | Occidental Permian Ltd. | Witcher, J. E. C #9 | 4,600 | 13537986 |
| 504545 | Jan 26, 2001 | Jan 26, 2001 | Occidental Permian Ltd. | Witcher, J. E. C #7 | 4,600 | 13537984 |
| 504544 | Jan 26, 2001 | Jan 26, 2001 | Occidental Permian Ltd. | Witcher, J. E. C #8 | 4,600 | 13537985 |
| 504518 | Jan 25, 2001 | Jan 25, 2001 | Phillips Petroleum Company | South Cowden Unit #212H | 4,715 | 13504815 |
| 504497 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | North Cowden Unit #1532 | 4,800 | 13537979 |
| 504496 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | North Cowden Unit #1523 | 4,800 | 13537980 |
| 504495 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | North Cowden Unit #1526 | 4,800 | 13537981 |
| 504494 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | North Cowden Unit #1522 | 4,800 | 13537983 |
| 504493 | Jan 25, 2001 | Jan 25, 2001 | Occidental Permian Ltd. | North Cowden Unit #596 | 4,800 | 13530797 |
| 504418 | Jan 23, 2001 | Jan 23, 2001 | OXY USA Inc. | Burns, Frank #1 | 8,800 | 13537977 |
| 504417 | Jan 23, 2001 | Jan 23, 2001 | OXY USA Inc. | Trapper John B #1 | 8,700 | 13537976 |
| 504180 | Jan 17, 2001 | Jan 17, 2001 | National Energy Group, Inc. | Goldsmith Adobe Unit #1726 | 6,100 | 13537975 |
| 504179 | Jan 17, 2001 | Jan 17, 2001 | National Energy Group, Inc. | Goldsmith Adobe Unit #1728 | 6,100 | 13537974 |
| 504051 | Jan 16, 2001 | Jan 16, 2001 | Phillips Petroleum Company | Millard "C" #5 | 8,727 | 13507256 |
| 502636 | Jan 16, 2001 | Jan 16, 2001 | Phillips Pipe Line Co. | Rectifier O-070 #70 | 472 | 13537973 |
| 503983 | Jan 12, 2001 | Jan 12, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #339 | 6,500 | 13537972 |
| 503982 | Jan 12, 2001 | Jan 12, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #338 | 6,500 | 13537971 |
| 503981 | Jan 12, 2001 | Jan 12, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #337 | 6,500 | 13537970 |
| 503980 | Jan 12, 2001 | Jan 12, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #333 | 6,500 | 13537969 |
| 503966 | Jan 11, 2001 | Jan 11, 2001 | National Energy Group, Inc. | Goldsmith Adobe Unit #1727 | 6,100 | 13537968 |
| 503923 | Jan 10, 2001 | Jan 10, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #J 35 | 6,550 | 13537964 |
| 503922 | Jan 10, 2001 | Jan 10, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #Q 5 | 6,550 | 13537967 |
| 503921 | Jan 10, 2001 | Jan 10, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #N 3 | 6,550 | 13537966 |
| 503920 | Jan 10, 2001 | Jan 10, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #E 9 | 6,500 | 13537965 |
| 503870 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | North Cowden Unit #1524 | 4,800 | 13537959 |
| 503869 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | North Cowden Unit #1512 | 4,800 | 13537960 |
| 503868 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | North Cowden Unit #1527 | 4,800 | 13537961 |
| 503867 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | North Cowden Unit #1530 | 4,800 | 13537962 |
| 503866 | Jan 10, 2001 | Jan 10, 2001 | Occidental Permian Ltd. | North Cowden Unit #1533 | 4,800 | 13537963 |
| 503714 | Jan 5, 2001 | Jan 5, 2001 | Occidental Permian Ltd. | Witcher, J. E. #108W | 4,600 | 13537955 |
| 503713 | Jan 5, 2001 | Jan 5, 2001 | Occidental Permian Ltd. | Witcher, J. E. #107W | 4,600 | 13537956 |
| 503712 | Jan 5, 2001 | Jan 5, 2001 | Occidental Permian Ltd. | Witcher, J. E. #109W | 4,600 | 13537957 |