| 506463 | Apr 9, 2001 | Apr 9, 2001 | Occidental Permian Ltd. | Fasken, David CH #1300338776 | 4,800 |
| 506463Amendment | Apr 9, 2001 | Apr 9, 2001 | Occidental Permian Ltd. | Fasken, David CH #1300338776 | 5,000 |
| 507457 | Apr 6, 2001 | Apr 6, 2001 | Pure Resources, L.P. | U-Texas 36995 #800338797 | 15,000 |
| 507457Amendment | Apr 6, 2001 | Apr 6, 2001 | Pure Resources, L.P. | U-Texas 36995 #800338797 | 13,000 |
| 507456 | Apr 6, 2001 | Apr 6, 2001 | Pure Resources, L.P. | U-Texas 36995 #700338798 | 15,000 |
| 507456Amendment | Apr 6, 2001 | Apr 6, 2001 | Pure Resources, L.P. | U-Texas 36995 #700338798 | 13,000 |
| 505761 | Apr 3, 2001 | Apr 3, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #775200338766 | 5,500 |
| 507057 | Mar 28, 2001 | Mar 28, 2001 | Arco Permian | University 11 Sec. 11-A- #700338791 | 8,900 |
| 507021 | Mar 28, 2001 | Mar 28, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #76400338790 | 5,500 |
| 507019 | Mar 28, 2001 | Mar 28, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #571000338789 | 5,500 |
| 506881 | Mar 23, 2001 | Mar 23, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #566200338788 | 5,500 |
| 506880 | Mar 23, 2001 | Mar 23, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #575400338787 | 5,500 |
| 506858 | Mar 23, 2001 | Mar 23, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #560400338786 | 5,500 |
| 506856 | Mar 23, 2001 | Mar 23, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #575800338785 | 5,500 |
| 506766 | Mar 23, 2001 | Mar 23, 2001 | Arco Permian | Univ. 11 Sec. -1- #7B00338778 | 8,900 |
| 505446 | Mar 23, 2001 | Mar 23, 2001 | Burleson, Lewis B. Inc. | Embar University #400338758 | 6,500 |
| 505446Amendment | Mar 23, 2001 | Mar 23, 2001 | Burleson, Lewis B. Inc. | Embar University #400338758 | 6,500 |
| 506537 | Mar 21, 2001 | Mar 21, 2001 | Citation Oil & Gas Corp. | King, E. F. #2R00338777 | 6,400 |
| 505297 | Mar 21, 2001 | Mar 21, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #566600338756 | 5,500 |
| 506177 | Mar 16, 2001 | Mar 16, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #555600338771 | 5,500 |
| 505210 | Mar 16, 2001 | Mar 16, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #556600338750 | 5,500 |
| 506536 | Mar 15, 2001 | Mar 15, 2001 | Triumph Exploration, Inc. | Clampett, Jed "F" #100334063 | 4,900 |
| 506230 | Mar 13, 2001 | Mar 13, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #585600338772 | 5,500 |
| 506234 | Mar 12, 2001 | Mar 12, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #541200338775 | 5,500 |
| 506233 | Mar 12, 2001 | Mar 12, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #551200338774 | 5,500 |
| 506232 | Mar 12, 2001 | Mar 12, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #570800338773 | 5,500 |
| 506176 | Mar 8, 2001 | Mar 8, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #570600338770 | 5,500 |
| 506033 | Mar 8, 2001 | Mar 8, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #546200338768 | 5,500 |
| 505918 | Mar 8, 2001 | Mar 8, 2001 | Pure Resources, L.P. | U-Texas 36994 #600338767 | 15,000 |
| 505918Amendment | Mar 8, 2001 | Mar 8, 2001 | Pure Resources, L.P. | U-Texas 36994 #600338767 | 13,000 |
| 506152 | Mar 7, 2001 | Mar 7, 2001 | Wilbanks, Bruce A. Company | Evans, Mary Kate #200332449 | 10,000 |
| 506032 | Mar 6, 2001 | Mar 6, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #570400338769 | 5,500 |
| 504606 | Mar 5, 2001 | Mar 5, 2001 | Energen Resources Corporation | University "13-A" #100300474 | 8,800 |
| 505948 | Mar 1, 2001 | Mar 1, 2001 | Occidental Permian Ltd. | Midland Farms Unit #145H00305827 | 4,900 |
| 505823 | Feb 27, 2001 | Feb 27, 2001 | Cross Timbers Operating Company | University 9 H #3HH00338589 | 11,600 |
| 505677 | Feb 23, 2001 | Feb 23, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #561200338765 | 5,500 |
| 505677Amendment | Feb 23, 2001 | Feb 23, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #561200338765 | 5,500 |
| 505676 | Feb 23, 2001 | Feb 23, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #551400338764 | 5,500 |
| 505298 | Feb 23, 2001 | Feb 23, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #785600338757 | 5,500 |
| 505649 | Feb 22, 2001 | Feb 22, 2001 | Triumph Exploration, Inc. | Clampett, Jed "E" #100338762 | 4,900 |
| 505648 | Feb 22, 2001 | Feb 22, 2001 | Triumph Exploration, Inc. | Clampett, Jed #600338763 | 4,900 |
| 505534 | Feb 20, 2001 | Feb 20, 2001 | Pure Resources, L.P. | East Dollarhide Unit #60200338761 | 12,500 |
| 505460 | Feb 20, 2001 | Feb 20, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #790400338760 | 5,500 |
| 505459 | Feb 20, 2001 | Feb 20, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #790200338759 | 5,500 |
| 504214 | Feb 16, 2001 | Feb 16, 2001 | Arco Permian | Univ. 11 Sec. -1- #13D00338735 | 8,200 |
| 505346 | Feb 15, 2001 | Feb 15, 2001 | Triumph Exploration, Inc. | Clampett, Jed "A" #300338755 | 4,900 |
| 505345 | Feb 15, 2001 | Feb 15, 2001 | Triumph Exploration, Inc. | Clampett, Jed "D" #200338754 | 4,900 |
| 505331 | Feb 15, 2001 | Feb 15, 2001 | Cross Timbers Operating Company | State University -At- #3HH00302972 | 11,813 |
| 505125 | Feb 14, 2001 | Feb 14, 2001 | Thompson, J. Cleo | University 9-5 A #200338749 | 9,800 |
| 505213 | Feb 13, 2001 | Feb 13, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #795200338752 | 5,500 |
| 505212 | Feb 13, 2001 | Feb 13, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #785200338751 | 5,500 |
| 505114 | Feb 12, 2001 | Feb 12, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #780600338748 | 5,500 |
| 505078 | Feb 9, 2001 | Feb 9, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #566400338747 | 5,500 |
| 505077 | Feb 9, 2001 | Feb 9, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #556400338746 | 5,500 |
| 504958 | Feb 9, 2001 | Feb 9, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #546400338741 | 5,500 |
| 504957 | Feb 9, 2001 | Feb 9, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #546000338740 | 5,500 |
| 504956 | Feb 9, 2001 | Feb 9, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #545800338739 | 5,500 |
| 505014 | Feb 8, 2001 | Feb 8, 2001 | Sage Energy Company | Redus 'A' #1100338744 | 4,750 |
| 505013 | Feb 8, 2001 | Feb 8, 2001 | Sage Energy Company | Redus 'A' #1000338743 | 4,750 |
| 505012 | Feb 8, 2001 | Feb 8, 2001 | Sage Energy Company | Shelton #1100338745 | 4,750 |
| 505011 | Feb 8, 2001 | Feb 8, 2001 | Sage Energy Company | Logsdon, C. W. -C- #200338742 | 4,750 |
| 504869 | Feb 5, 2001 | Feb 5, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #545600338738 | 5,500 |
| 504916 | Feb 2, 2001 | Feb 2, 2001 | R K Petroleum Corporation | R K - Cowden #100310230 | 7,650 |
| 504662 | Jan 31, 2001 | Jan 31, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #550800338737 | 5,500 |
| 504662Amendment | Jan 31, 2001 | Jan 31, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #550800338737 | 5,500 |
| 504607 | Jan 26, 2001 | Jan 26, 2001 | Pure Resources, L.P. | U-Texas 36995 #600338736 | 15,000 |
| 504607Amendment | Jan 26, 2001 | Jan 26, 2001 | Pure Resources, L.P. | U-Texas 36995 #600338736 | 13,000 |
| 504492 | Jan 25, 2001 | Jan 25, 2001 | Cross Timbers Operating Company | University "9"C #7HH00338281 | 10,455 |
| 504161 | Jan 22, 2001 | Jan 22, 2001 | EOG Resources, Inc. | Shafter Lake "10" #100338729 | 13,000 |
| 504260 | Jan 19, 2001 | Jan 19, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #561000338734 | 5,500 |
| 504260Amendment | Jan 19, 2001 | Jan 19, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #561000338734 | 5,500 |
| 504259 | Jan 19, 2001 | Jan 19, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #551000338732 | 5,500 |
| 504259Amendment | Jan 19, 2001 | Jan 19, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #551000338732 | 5,500 |
| 504258 | Jan 19, 2001 | Jan 19, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #560600338733 | 5,500 |
| 504216 | Jan 19, 2001 | Jan 19, 2001 | Arco Permian | Univ. -11- Sec. 12 #10A00338730 | 8,900 |
| 504215 | Jan 19, 2001 | Jan 19, 2001 | Arco Permian | University 11 Sec. 2 #15E00338731 | 8,900 |
| 504150 | Jan 19, 2001 | Jan 19, 2001 | Kinney, Inc. | State of Texas -H- #400337424 | 3,100 |
| 504077 | Jan 16, 2001 | Jan 16, 2001 | Cross Timbers Operating Company | University "9" -D- #6HH00338566 | 12,200 |
| 503977 | Jan 11, 2001 | Jan 11, 2001 | Phillips Petroleum Company | University Andrews #300304749 | 7,901 |
| 503893 | Jan 11, 2001 | Jan 11, 2001 | Exxon Mobil Corporation | Means, R. M. #565700338727 | 5,500 |
| 503892 | Jan 11, 2001 | Jan 11, 2001 | Exxon Mobil Corporation | Means, R. M. #555700338728 | 5,500 |
| 503891 | Jan 11, 2001 | Jan 11, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #566000338726 | 5,500 |
| 503917 | Jan 10, 2001 | Jan 10, 2001 | Arco Permian | Univ. 11 Sec. -1- #15D00338725 | 8,900 |
| 503917Amendment | Jan 10, 2001 | Jan 10, 2001 | Arco Permian | Univ. 11 Sec. -1- #15D00338725 | 8,900 |
| 503795 | Jan 9, 2001 | Jan 9, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #540600338724 | 5,500 |
| 503794 | Jan 9, 2001 | Jan 9, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #540800338722 | 5,500 |
| 503793 | Jan 9, 2001 | Jan 9, 2001 | Exxon Mobil Corporation | King, Georgia B. #800332998 | 12,600 |
| 503792 | Jan 9, 2001 | Jan 9, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #541000338723 | 5,500 |
| 501952 | Jan 5, 2001 | Jan 5, 2001 | Cross Timbers Operating Company | University 198 #800338694 | 4,850 |
| 503580 | Jan 4, 2001 | Jan 4, 2001 | Maynard Oil Co. | Texas -PP- #1200338721 | 7,200 |
| 503559 | Jan 2, 2001 | Jan 2, 2001 | Henry Petroleum Corp. | University "C" #600338720 | 10,000 |
| 503488 | Jan 2, 2001 | Jan 2, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #565600338718 | 5,500 |
| 503487 | Jan 2, 2001 | Jan 2, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #556000338719 | 5,500 |
| 503198 | Dec 27, 2000 | Dec 27, 2000 | Maynard Oil Co. | Texas "PP" #100301648 | 9,940 |
| 503389 | Dec 22, 2000 | Dec 22, 2000 | Cross Timbers Operating Company | State University AU #900338717 | 10,700 |
| 503388 | Dec 22, 2000 | Dec 22, 2000 | Cross Timbers Operating Company | Texas N #700338715 | 10,800 |
| 503387 | Dec 22, 2000 | Dec 22, 2000 | Cross Timbers Operating Company | Texas L #700338716 | 10,700 |
| 503387Amendment | Dec 22, 2000 | Dec 22, 2000 | Cross Timbers Operating Company | Texas L #700338716 | 10,700 |
| 503277 | Dec 22, 2000 | Dec 22, 2000 | Exxon Mobil Corporation | Means/San Andres/Unit #560800338714 | 5,500 |
| 503277Amendment | Dec 22, 2000 | Dec 22, 2000 | Exxon Mobil Corporation | Means/San Andres/Unit #560800338714 | 5,500 |