| 498603 | Aug 23, 2000 | Aug 23, 2000 | Nadel and Gussman Permian,l.l.c. | Childress, John #223531316 | 8,200 |
| 498561 | Aug 22, 2000 | Aug 22, 2000 | Arkland Producing Co., Inc. | Margaret 36 #323533789 | 8,000 |
| 498137 | Aug 9, 2000 | Aug 9, 2000 | TXP, Incorporated | Williams, Pearl "1203 A" #223533788 | 6,800 |
| 497310 | Jul 24, 2000 | Jul 24, 2000 | Petrodata Resources, Inc. | Magruder #390123531406 | 6,000 |
| 497135 | Jul 13, 2000 | Jul 13, 2000 | Caraway Operating Co. | Sheen "8" #323533787 | 7,500 |
| 496816 | Jul 5, 2000 | Jul 5, 2000 | Bettis, Boyle & Stovall | Reed Ranch #123533786 | 6,500 |
| 496550 | Jun 28, 2000 | Jun 28, 2000 | Arkland Producing Co., Inc. | Margaret "36" #123532652 | 6,860 |
| 495768 | Jun 6, 2000 | Jun 6, 2000 | Bomar Operating Co., LC | McMillan, Reva #723532973 | 1,535 |
| 494650 | May 2, 2000 | May 2, 2000 | Pioneer Natural Res. USA, Inc. | Mayse "26" #123533784 | 7,700 |
| 494410 | May 1, 2000 | May 1, 2000 | Bellwether Exploration Company | Hoyt, Joan Crews #1923532994 | 6,600 |
| 494561 | Apr 28, 2000 | Apr 28, 2000 | Pioneer Natural Res. USA, Inc. | Sugg 47 #123533783 | 7,300 |
| 494560 | Apr 28, 2000 | Apr 28, 2000 | Pioneer Natural Res. USA, Inc. | Sugg 46 #223533782 | 7,300 |
| 491357 | Apr 24, 2000 | Apr 24, 2000 | Nadel and Gussman Permian,l.l.c. | Sugg, A. A. 3058 #223531823 | 6,706 |
| 493882 | Apr 7, 2000 | Apr 7, 2000 | Pioneer Natural Res. USA, Inc. | Cathey Ranch 66 #123533770 | 8,400 |
| 493376 | Mar 30, 2000 | Mar 30, 2000 | Siana Oil & Gas | McGill Unit #160423533780 | 7,600 |
| 493493 | Mar 28, 2000 | Mar 28, 2000 | Meadco Properties | Sugg 1903 "A" #223533781 | 7,500 |
| 493190 | Mar 22, 2000 | Mar 22, 2000 | Nadel and Gussman Permian,l.l.c. | Sugg, A. A. 3057 #123531637 | 7,400 |
| 492479 | Mar 16, 2000 | Mar 16, 2000 | Arkland Producing Co., Inc. | Evans "A" #223532717 | 6,740 |
| 491358 | Feb 8, 2000 | Feb 8, 2000 | Nadel and Gussman Permian,l.l.c. | Sugg, A. A. 3057 #223531824 | 6,655 |
| 491367 | Feb 1, 2000 | Feb 1, 2000 | Bomar Operating Co., LC | McMillan, Reva #523531417 | 1,515 |
| 491311 | Jan 26, 2000 | Jan 26, 2000 | Meadco Properties | Sugg 1903 "A" #123533779 | 7,500 |
| 490894 | Jan 6, 2000 | Jan 6, 2000 | Munson Operating, Inc. | Lindley "40" #1523532135 | 7,200 |
| 490242 | Dec 17, 1999 | Dec 17, 1999 | Caraway Operating Co. | Sheen "8" #223533778 | 7,500 |
| 490417 | Dec 16, 1999 | Dec 16, 1999 | Bellwether Exploration Company | Brooks "17" #323533032 | 6,650 |
| 490400 | Dec 15, 1999 | Dec 15, 1999 | Bellwether Exploration Company | Hoyt, Joan Crews #823532913 | 6,540 |
| 490398 | Dec 15, 1999 | Dec 15, 1999 | Bellwether Exploration Company | Hoyt, Joan Crews #1523532963 | 6,700 |
| 490397 | Dec 15, 1999 | Dec 15, 1999 | Bellwether Exploration Company | Hoyt, Joan Crews #323532878 | 6,590 |
| 490176 | Dec 9, 1999 | Dec 9, 1999 | Bellwether Exploration Company | Brooks "11" #523533057 | 6,580 |
| 490118 | Dec 7, 1999 | Dec 7, 1999 | Munson, David M. Inc. | Atcheson, Marian #123533729 | 7,900 |
| 489832 | Dec 1, 1999 | Dec 1, 1999 | IP Petroleum Company, Inc. | Sugg 20 #223531976 | 5,698 |
| 489739 | Nov 30, 1999 | Nov 30, 1999 | TXP, Incorporated | Noelke, W. M. Estate #223533777 | 7,100 |
| 489714 | Nov 22, 1999 | Nov 22, 1999 | Trend Exploration I, LLC | Caldwell #123533776 | 7,200 |
| 488290 | Oct 12, 1999 | Oct 12, 1999 | Anadarko Petroleum Corp. | Ketchum Mt.east (Clear Fork)unit #1501WS23533609 | 4,850 |
| 488289 | Oct 11, 1999 | Oct 11, 1999 | Anadarko Petroleum Corp. | Ketchum Mt.east (Clear Fork)unit #408WS23533632 | 3,900 |
| 488288 | Oct 11, 1999 | Oct 11, 1999 | Anadarko Petroleum Corp. | Ketchum Mt.east (Clear Fork)unit #312WS23533557 | 4,000 |
| 488287 | Oct 11, 1999 | Oct 11, 1999 | Anadarko Petroleum Corp. | Ketchum Mt.east (Clear Fork)unit #215WS23533594 | 3,900 |
| 488045 | Sep 30, 1999 | Sep 30, 1999 | Bellwether Exploration Company | Hoyt, Joan Crews #2223533086 | 6,700 |
| 486949 | Aug 25, 1999 | Aug 25, 1999 | Apache Corporation | Eliminator #123533775 | 9,500 |
| 486949Amendment | Aug 25, 1999 | Aug 25, 1999 | Apache Corporation | Eliminator #123533775 | 9,700 |
| 486801 | Aug 19, 1999 | Aug 19, 1999 | Bellwether Exploration Company | Hoyt, Joan Crews #723532908 | 6,580 |
| 485302 | Jun 21, 1999 | Jun 21, 1999 | Meadco Properties | Sheen 3061 "A" #123533773 | 6,800 |
| 484426 | May 19, 1999 | May 19, 1999 | Maynard Oil Co. | Sugg, Ela C. -G- #1423533771 | 8,700 |
| 484426Amendment | May 19, 1999 | May 19, 1999 | Maynard Oil Co. | Sugg, Ela C. -G- #1423533771 | 8,700 |
| 484550 | May 14, 1999 | May 14, 1999 | Trend Exploration I, LLC | Bryant Trust #123533772 | 7,200 |
| 482690 | Feb 12, 1999 | Feb 12, 1999 | Pioneer Natural Res. USA, Inc. | Sugg 36 #123533768 | 7,650 |
| 481703 | Jan 7, 1999 | Jan 7, 1999 | Fortune Production Co. | Winterbotham "B" #123530341 | 6,555 |
| 479011 | Aug 26, 1998 | Aug 26, 1998 | Pioneer Natural Res. USA, Inc. | Cathey Ranch 66 #123533770 | 8,400 |
| 479011Amendment | Aug 26, 1998 | Aug 26, 1998 | Pioneer Natural Res. USA, Inc. | Cathey Ranch 66 #123533770 | 8,400 |
| 478990 | Aug 25, 1998 | Aug 25, 1998 | Pioneer Natural Res. USA, Inc. | Sugg 46 #123533769 | 7,700 |
| 478990Amendment | Aug 25, 1998 | Aug 25, 1998 | Pioneer Natural Res. USA, Inc. | Sugg 46 #123533769 | 7,700 |
| 478990Amendment | Aug 25, 1998 | Aug 25, 1998 | Pioneer Natural Res. USA, Inc. | Sugg 46 #123533769 | 7,700 |
| 478922 | Aug 21, 1998 | Aug 21, 1998 | Pioneer Natural Res. USA, Inc. | Sugg 36 #123533768 | 7,600 |
| 478626 | Aug 10, 1998 | Aug 10, 1998 | Pioneer Natural Res. USA, Inc. | Cox "14" #123533767 | 8,500 |
| 478016 | Jul 21, 1998 | Jul 21, 1998 | Meadco Properties | Busby "3080" #223533766 | 8,500 |
| 478016Amendment | Jul 21, 1998 | Jul 21, 1998 | Meadco Properties | Busby "3080" #223533766 | 9,250 |
| 477800 | Jul 15, 1998 | Jul 15, 1998 | IP Petroleum Company, Inc. | Ball #323533379 | 7,392 |
| 477137 | Jun 23, 1998 | Jun 23, 1998 | Anadarko Petroleum Corp. | Scott '12' #1204A23533737 | 4,500 |
| 477224 | Jun 16, 1998 | Jun 16, 1998 | Questa Oil & Gas Co. | Williams, Pearl 1203 #123533765 | 6,800 |
| 477215 | Jun 16, 1998 | Jun 16, 1998 | Strand Energy, L.C. | Tweedy #923533764 | 6,500 |
| 476848 | Jun 4, 1998 | Jun 4, 1998 | Concho Oilfield Serv & Oper Co. | Lackey, Mark #2A23533763 | 1,600 |
| 476847 | Jun 4, 1998 | Jun 4, 1998 | Concho Oilfield Serv & Oper Co. | Lackey, Mark #1A23533762 | 1,600 |
| 476733 | May 29, 1998 | May 29, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B -AA- #623533760 | 6,600 |
| 476732 | May 29, 1998 | May 29, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B -AA- #523533761 | 6,600 |
| 476725 | May 29, 1998 | May 29, 1998 | Anadarko Petroleum Corp. | Scott "26" #261223533759 | 5,000 |
| 476460 | May 20, 1998 | May 20, 1998 | Anadarko Petroleum Corp. | Scott '26' #260623533758 | 5,000 |
| 475870 | Apr 30, 1998 | Apr 30, 1998 | Anadarko Petroleum Corp. | Scott '26' #261123533757 | 5,000 |
| 474936 | Apr 1, 1998 | Apr 1, 1998 | Anadarko Petroleum Corp. | Ketchum Mt. (Clearford) Unit #340323533756 | 5,000 |
| 474935 | Apr 1, 1998 | Apr 1, 1998 | Anadarko Petroleum Corp. | Ketchum Mt. (Clearford) Unit #340523533755 | 5,000 |
| 474925 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B -00- #623533754 | 6,450 |
| 474924 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B -00- #723533753 | 6,450 |
| 474923 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B #8RR23533750 | 6,650 |
| 474917 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B #7RR23533749 | 6,650 |
| 474916 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B -CC- #523533752 | 6,600 |
| 474915 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B -CC- #623533751 | 6,600 |
| 474883 | Mar 31, 1998 | Mar 31, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B -PP-` #523533746 | 6,600 |
| 474882 | Mar 31, 1998 | Mar 31, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B -PP- #623533747 | 6,600 |
| 474881 | Mar 31, 1998 | Mar 31, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B #7DD23533745 | 6,600 |
| 474879 | Mar 31, 1998 | Mar 31, 1998 | Dreyfus, Louis Natural Gas Corp | Rocker B #8DD23533748 | 6,600 |
| 474870 | Mar 31, 1998 | Mar 31, 1998 | Anadarko Petroleum Corp. | Scott "26" #260223533742 | 5,000 |
| 474869 | Mar 31, 1998 | Mar 31, 1998 | Anadarko Petroleum Corp. | Sugg "13" #131223533743 | 5,000 |
| 474868 | Mar 31, 1998 | Mar 31, 1998 | Anadarko Petroleum Corp. | Scott "26" #261623533744 | 5,000 |
| 474640 | Mar 23, 1998 | Mar 23, 1998 | Anadarko Petroleum Corp. | Sugg "27" #270123533741 | 5,000 |
| 474639 | Mar 23, 1998 | Mar 23, 1998 | Anadarko Petroleum Corp. | Sugg "13" #131323533740 | 5,000 |
| 473994 | Mar 11, 1998 | Mar 11, 1998 | Marathon Oil Company | Brooks "A" #623532601 | 6,600 |
| 473908 | Mar 6, 1998 | Mar 6, 1998 | Anadarko Petroleum Corp. | Sugg/Farmar "9" #91223533738 | 5,000 |
| 473906 | Mar 6, 1998 | Mar 6, 1998 | Anadarko Petroleum Corp. | Sugg/Farmar "9" #90523533739 | 5,000 |
| 473576 | Feb 20, 1998 | Feb 20, 1998 | Anadarko Petroleum Corp. | Scott "12" #1204A23533737 | 9,000 |
| 473576Amendment | Feb 20, 1998 | Feb 20, 1998 | Anadarko Petroleum Corp. | Scott '12' #1204A23533737 | 9,000 |
| 473312 | Feb 19, 1998 | Feb 19, 1998 | Gray, T. M. (Jud) | Magruder #390223532120 | 1,800 |
| 472596 | Feb 19, 1998 | Feb 19, 1998 | Marathon Oil Company | Tweedy "A" #123532059 | 6,270 |
| 473511 | Feb 18, 1998 | Feb 18, 1998 | Anadarko Petroleum Corp. | Scott "26" #261523533736 | 5,000 |
| 473352 | Feb 17, 1998 | Feb 17, 1998 | Verdad Oil & Gas Corporation | Reed #123533735 | 7,200 |
| 472796 | Jan 30, 1998 | Jan 30, 1998 | Munson, David M. Inc. | Mayer 44-2 #440223533734 | 7,900 |
| 472515 | Jan 22, 1998 | Jan 22, 1998 | Anadarko Petroleum Corp. | Scott '26' #260123533733 | 5,000 |
| 472217 | Jan 14, 1998 | Jan 14, 1998 | Ricks Expl Acquisition Corp | Winterbotham "B" #223533732 | 6,950 |
| 471948 | Jan 8, 1998 | Jan 8, 1998 | Enron Oil & Gas Company | Wardlaw 1156 #123533731 | 7,500 |
| 471948Amendment | Jan 8, 1998 | Jan 8, 1998 | Ricks Exploration, Inc. | Wardlaw 1156 #123533731 | 7,500 |
| 471868 | Jan 6, 1998 | Jan 6, 1998 | Marathon Oil Company | Tweedy "A" #1223533320 | 6,200 |
| 471646 | Dec 29, 1997 | Dec 29, 1997 | Munson, David M. Inc. | Atcheson, Marian #123533729 | 7,900 |
| 471645 | Dec 29, 1997 | Dec 29, 1997 | Munson, David M. Inc. | Munson 17-1 #170123533730 | 7,900 |