| 511234 | Jul 12, 2001 | Jul 12, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #J 55 | 6,550 | 13538115 |
| 511237 | Jul 11, 2001 | Jul 11, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #P 75 | 6,550 | 13538118 |
| 511101 | Jul 11, 2001 | Jul 11, 2001 | First Permian, L.L.C. | East Penwell/San Andres/Unit #1713 | 4,000 | 13538120 |
| 511100 | Jul 11, 2001 | Jul 11, 2001 | First Permian, L.L.C. | East Penwell/San Andres/Unit #1813 | 4,000 | 13538119 |
| 511099 | Jul 11, 2001 | Jul 11, 2001 | First Permian, L.L.C. | East Penwell/San Andres/Unit #1001 | 4,000 | 13505059 |
| 511098 | Jul 11, 2001 | Jul 11, 2001 | First Permian, L.L.C. | East Penwell/San Andres/Unit #1152 | 4,000 | 13535236 |
| 511073 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | North Cowden Unit #1562 | 4,800 | 13538113 |
| 511072 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | North Cowden Unit #1561 | 4,800 | 13538112 |
| 511071 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | North Cowden Unit #1560 | 4,800 | 13538111 |
| 511070 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | North Cowden Unit #1557 | 4,800 | 13538110 |
| 511069 | Jul 5, 2001 | Jul 5, 2001 | Occidental Permian Ltd. | North Cowden Unit #1556 | 4,800 | 13538109 |
| 509490 | Jul 5, 2001 | Jul 5, 2001 | Pure Resources, L.P. | Cochran #19 | 5,500 | 13538077 |
| 509489 | Jul 5, 2001 | Jul 5, 2001 | Pure Resources, L.P. | Cochran #18 | 5,500 | 13538076 |
| 509482 | Jul 5, 2001 | Jul 5, 2001 | Pure Resources, L.P. | Cochran #17 | 5,500 | 13538075 |
| 510950 | Jul 3, 2001 | Jul 3, 2001 | Texaco E & P Inc. | Connell, W. E. NCT-2 #162 | 9,800 | 13533986 |
| 509948 | Jul 3, 2001 | Jul 3, 2001 | Gruy Petroleum Management Co. | Scharbauer "G" #8 | 4,000 | 13532979 |
| 510886 | Jun 29, 2001 | Jun 29, 2001 | OXY USA WTP LP | Klinger A #2 | 8,700 | 13538108 |
| 510743 | Jun 29, 2001 | Jun 29, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #A 10 | 6,550 | 13538103 |
| 510831 | Jun 28, 2001 | Jun 28, 2001 | Occidental Permian Ltd. | North Cowden Unit #1548 | 4,800 | 13538107 |
| 510830 | Jun 28, 2001 | Jun 28, 2001 | Occidental Permian Ltd. | North Cowden Unit #1552 | 4,800 | 13538106 |
| 510781 | Jun 28, 2001 | Jun 28, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #C 25 | 6,550 | 13538105 |
| 510744 | Jun 28, 2001 | Jun 28, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #U 10 | 6,550 | 13538104 |
| 510742 | Jun 28, 2001 | Jun 28, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #J 45 | 6,550 | 13538102 |
| 510742Amendment | Jun 28, 2001 | Jun 28, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #J 45 | 6,550 | 13538102 |
| 510740 | Jun 28, 2001 | Jun 28, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #P 85 | 6,550 | 13538101 |
| 510740Amendment | Jun 28, 2001 | Jun 28, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #P 85 | 6,550 | 13538101 |
| 510791 | Jun 27, 2001 | Jun 27, 2001 | Occidental Permian Ltd. | Goldsmith Landreth Deep Unit #249 | 6,500 | 13535231 |
| 510769 | Jun 26, 2001 | Jun 26, 2001 | Energen Resources Corporation | Ector Fee Unit #8 | 10,000 | 13538100 |
| 510670 | Jun 25, 2001 | Jun 25, 2001 | Gruy Petroleum Management Co. | Scharbauer G #7 | 4,000 | 13511128 |
| 509484 | Jun 25, 2001 | Jun 25, 2001 | Pure Resources, L.P. | Holt D #5 | 5,400 | 13538078 |
| 510412 | Jun 21, 2001 | Jun 21, 2001 | Energas Company | City of Odessa R.O.W. #73OS | 480 | 13538090 |
| 509903 | Jun 15, 2001 | Jun 15, 2001 | Chevron U. S. A. Inc. | Goldsmith San Andres Unit #1026 | 5,855 | 13520027 |
| 510235 | Jun 14, 2001 | Jun 14, 2001 | Pure Resources, L.P. | Holt, O. B. -C- #28 | 5,500 | 13538089 |
| 510233 | Jun 14, 2001 | Jun 14, 2001 | Pure Resources, L.P. | Holt, O. B. -C- #32 | 5,500 | 13538088 |
| 508999 | Jun 14, 2001 | Jun 14, 2001 | Arco Permian | Blakeney, B. H. -B- #5H | 5,350 | 13504385 |
| 487104Amendment | Jun 14, 2001 | Jun 14, 2001 | Cody Energy LLC | Moss, Paul "E" #200ST | 9,500 | 13536857 |
| 510098 | Jun 12, 2001 | Jun 12, 2001 | Texaco E & P Inc. | Holt, O. B. #1001A | 13,055 | 13537862 |
| 509966 | Jun 12, 2001 | Jun 12, 2001 | Arco Permian | Johnson, J. L. "H" #5W | 5,610 | 13533256 |
| 509994 | Jun 7, 2001 | Jun 7, 2001 | Anadarko Petroleum Corp. | TXL South Unit #2602B | 6,520 | 13506096 |
| 509949 | Jun 7, 2001 | Jun 7, 2001 | Gruy Petroleum Management Co. | Scharbauer -N- #1 | 4,000 | 13520258 |
| 509940 | Jun 7, 2001 | Jun 7, 2001 | Occidental Permian Ltd. | North Cowden Unit #1547 | 4,800 | 13538086 |
| 509654 | May 31, 2001 | May 31, 2001 | National Energy Group, Inc. | Goldsmith Adobe Unit #2710 | 6,100 | 13538085 |
| 509653 | May 31, 2001 | May 31, 2001 | National Energy Group, Inc. | Goldsmith Adobe Unit #2708 | 6,100 | 13538084 |
| 509652 | May 31, 2001 | May 31, 2001 | National Energy Group, Inc. | Goldsmith Adobe Unit #2619 | 6,100 | 13538083 |
| 509576 | May 30, 2001 | May 30, 2001 | Occidental Permian Ltd. | North Cowden Unit #1554 | 4,800 | 13538082 |
| 509575 | May 30, 2001 | May 30, 2001 | Occidental Permian Ltd. | North Cowden Unit #1551 | 4,800 | 13538081 |
| 509574 | May 30, 2001 | May 30, 2001 | Occidental Permian Ltd. | North Cowden Unit #1549 | 4,800 | 13538080 |
| 509483 | May 29, 2001 | May 29, 2001 | Pure Resources, L.P. | Holt Jr. #5Q | 4,200 | 13538079 |
| 509389 | May 24, 2001 | May 24, 2001 | Arco Permian | Smith, T. A. #7H | 5,300 | 13537873 |
| 509041 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | North Cowden Unit #1559 | 4,800 | 13538074 |
| 509040 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | North Cowden Unit #1558 | 4,800 | 13538073 |
| 509039 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | North Cowden Unit #1555 | 4,800 | 13538072 |
| 509038 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | North Cowden Unit #1553 | 4,800 | 13538071 |
| 509037 | May 16, 2001 | May 16, 2001 | Occidental Permian Ltd. | North Cowden Unit #1550 | 4,800 | 13538070 |
| 507859 | May 16, 2001 | May 16, 2001 | Arco Permian | Blakeney, B. H. -A- #8H | 5,330 | 13530119 |
| 507858 | May 16, 2001 | May 16, 2001 | Arco Permian | Blakeney -OB- #5H | 5,600 | 13535685 |
| 507856 | May 16, 2001 | May 16, 2001 | Arco Permian | Blakeney -OA- #2RH | 5,450 | 13536839 |
| 508960 | May 15, 2001 | May 15, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #N 72 | 6,550 | 13538066 |
| 508959 | May 15, 2001 | May 15, 2001 | Phillips Petroleum Company | Goldsmith Anector Unit #P105 | 6,550 | 13538067 |
| 508959Amendment | May 15, 2001 | May 15, 2001 | Phillips Petroleum Company | Goldsmith Anector Unit #P105 | 6,550 | 13538067 |
| 508958 | May 15, 2001 | May 15, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #J 75 | 6,550 | 13538069 |
| 508957 | May 15, 2001 | May 15, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #F 75 | 6,550 | 13538068 |
| 508859 | May 14, 2001 | May 14, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #R 9 | 6,550 | 13538065 |
| 508857 | May 14, 2001 | May 14, 2001 | Phillips Petroleum Company | Goldsmith Andector Unit #Q 95 | 6,550 | 13538061 |
| 508847 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | North Cowden Unit #1546 | 4,800 | 13538064 |
| 508846 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | North Cowden Unit #1545 | 4,800 | 13538063 |
| 508845 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | North Cowden Unit #1544 | 4,800 | 13538062 |
| 508843 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | North Cowden Unit #1542 | 4,800 | 13538060 |
| 508842 | May 11, 2001 | May 11, 2001 | Occidental Permian Ltd. | North Cowden Unit #1540 | 4,800 | 13538059 |
| 508346 | May 8, 2001 | May 8, 2001 | Texaco E & P Inc. | Connell, W. E., NCT-3 #49 | 8,955 | 13501447 |
| 507857 | May 7, 2001 | May 7, 2001 | Arco Permian | Blakeney, B. H. -C- #2H | 5,400 | 13504387 |
| 507855 | May 7, 2001 | May 7, 2001 | Arco Permian | Blakeney, B. H. -C- #6H | 5,400 | 13534113 |
| 508284 | Apr 27, 2001 | Apr 27, 2001 | Phillips Petroleum Company | Millard -A- #5 | 8,905 | 13507236 |
| 508282 | Apr 27, 2001 | Apr 27, 2001 | Phillips Petroleum Company | North Penwell Unit #163 | 5,050 | 13506424 |
| 507161 | Apr 26, 2001 | Apr 26, 2001 | Pure Resources, L.P. | Blakeney #23 | 5,500 | 13538055 |
| 507159 | Apr 26, 2001 | Apr 26, 2001 | Pure Resources, L.P. | Blakeney #22 | 5,500 | 13538054 |
| 508134 | Apr 24, 2001 | Apr 24, 2001 | Occidental Permian Ltd. | Goldsmith Blakeney SA Unit #94 | 4,245 | 13504361 |
| 508133 | Apr 24, 2001 | Apr 24, 2001 | Occidental Permian Ltd. | Goldsmith Blakeney SA Unit #34 | 4,213 | 13530628 |
| 507147 | Apr 23, 2001 | Apr 23, 2001 | Occidental Permian Ltd. | Holt, O. B. R #35 | 4,800 | 13538053 |
| 507745 | Apr 17, 2001 | Apr 17, 2001 | Arco Permian | Blakeney, B. H. -B- #3H | 5,350 | 13504383 |
| 507745Amendment | Apr 17, 2001 | Apr 17, 2001 | Arco Permian | Blakeney, B. H. -B- #3H | 5,350 | 13504383 |
| 503036 | Apr 17, 2001 | Apr 17, 2001 | Eureka Prospecting Company | Ratliff, Sallie W. "Bfy" #1 | 9,000 | 13504995 |
| 507790 | Apr 16, 2001 | Apr 16, 2001 | Arco Permian | Blakeney-Sun #2H | 5,350 | 13504425 |
| 507744 | Apr 12, 2001 | Apr 12, 2001 | Pure Resources, L.P. | Holt, O. B. Jr. #3Q | 4,200 | 13538058 |
| 507743 | Apr 12, 2001 | Apr 12, 2001 | Pure Resources, L.P. | Holt, O. B. Jr. #4Q | 4,200 | 13538057 |
| 507681 | Apr 11, 2001 | Apr 11, 2001 | Arco Permian | Blakeney, B. H. -A- #7H | 5,350 | 13504382 |
| 506605 | Apr 11, 2001 | Apr 11, 2001 | Pure Resources, L.P. | Holt, O. B. -C- #31 | 5,500 | 13538046 |
| 506602 | Apr 11, 2001 | Apr 11, 2001 | Pure Resources, L.P. | Holt, O. B. -C- #29 | 5,500 | 13538044 |
| 506601 | Apr 11, 2001 | Apr 11, 2001 | Pure Resources, L.P. | Holt, O. B. -C- #26 | 5,500 | 13538043 |
| 506600 | Apr 11, 2001 | Apr 11, 2001 | Pure Resources, L.P. | Holt, O. B. -C- #25 | 5,500 | 13538042 |
| 507427 | Apr 10, 2001 | Apr 10, 2001 | Texland Petroleum Inc. | J.W.M. 12 #1 | 8,500 | 13538056 |
| 506603 | Apr 4, 2001 | Apr 4, 2001 | Pure Resources, L.P. | Holt, O. B. -C- #30 | 5,500 | 13538045 |
| 507148 | Mar 29, 2001 | Mar 29, 2001 | Occidental Permian Ltd. | North Cowden Unit #1539 | 4,800 | 13538052 |
| 505686 | Mar 29, 2001 | Mar 29, 2001 | Pure Resources, L.P. | Blakeney #24 | 6,000 | 13538008 |
| 505684 | Mar 29, 2001 | Mar 29, 2001 | Pure Resources, L.P. | Cochran #16 | 6,000 | 13538009 |
| 507053 | Mar 27, 2001 | Mar 27, 2001 | Occidental Permian Ltd. | North Cowden Unit #1534 | 4,800 | 13538051 |
| 507052 | Mar 27, 2001 | Mar 27, 2001 | Occidental Permian Ltd. | North Cowden Unit #1531 | 4,800 | 13538050 |
| 507051 | Mar 27, 2001 | Mar 27, 2001 | Occidental Permian Ltd. | North Cowden Unit #1529 | 4,800 | 13538049 |
| 507050 | Mar 27, 2001 | Mar 27, 2001 | Occidental Permian Ltd. | North Cowden Unit #1528 | 4,800 | 13538048 |
| 506173 | Mar 21, 2001 | Mar 21, 2001 | Texaco E & P Inc. | Cowden, J. F. #8 | 8,116 | 13502660 |