| 477595 | Jun 30, 1998 | Jun 30, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer, Edwin S Jr. C #13 | 8,100 | 43534866 |
| 477594 | Jun 30, 1998 | Jun 30, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer, Edwin S Jr. K #7 | 8,150 | 43534869 |
| 477593 | Jun 30, 1998 | Jun 30, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer, Edwin S Jr. K #8 | 8,150 | 43534868 |
| 477559 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer 48 #3 | 8,350 | 43534865 |
| 477558 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer, Minnie H "HH" #3202 | 8,100 | 43534862 |
| 477557 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer 49 #5 | 8,100 | 43534863 |
| 477556 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer 49 #7 | 7,950 | 43534864 |
| 477555 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer Ranch QQQ #1532 | 8,075 | 43534861 |
| 477267 | Jun 26, 1998 | Jun 26, 1998 | KCS Medallion Resources, Inc. | Genini #3705 | 6,650 | 43534850 |
| 477410 | Jun 24, 1998 | Jun 24, 1998 | Burlington Resources Oil&gas Co. | Young #681SHH | 7,000 | 43534860 |
| 477355 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | McMillian, WB 14 #15 | 5,500 | 43534856 |
| 477353 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H 108 #11 | 5,600 | 43534855 |
| 477352 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Pfluger 105 #14 | 5,600 | 43534851 |
| 477350 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H "11" #13 | 5,400 | 43534857 |
| 477349 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H "11" #15 | 5,400 | 43534858 |
| 477348 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, W. B. 10 #9 | 5,500 | 43534859 |
| 477347 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Pfluger 84 #10 | 5,600 | 43534853 |
| 477346 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Diebitsch 70 #5 | 8,075 | 43534854 |
| 477346Amendment | Jun 22, 1998 | Jun 22, 1998 | Dominion Oklahoma Texas E&P, Inc | Diebitsch 70 #5 | 8,075 | 43534854 |
| 477345 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, W B 14 #16 | 5,500 | 43534852 |
| 476907 | Jun 5, 1998 | Jun 5, 1998 | Dreyfus, Louis Natural Gas Corp | Jones Ranch #302 | 8,075 | 43534849 |
| 476905 | Jun 5, 1998 | Jun 5, 1998 | Dreyfus, Louis Natural Gas Corp | Shannon 51 #7 | 8,200 | 43534848 |
| 476729 | May 29, 1998 | May 29, 1998 | Dreyfus, Louis Natural Gas Corp | Diebitsch 70 #4 | 8,200 | 43534847 |
| 476729Amendment | May 29, 1998 | May 29, 1998 | Dominion Oklahoma Texas E&P, Inc | Diebitsch 70 #4 | 8,200 | 43534847 |
| 476227 | May 13, 1998 | May 13, 1998 | Gruy Petroleum Management Co. | Dunbar, Ned #31 | 6,500 | 43534846 |
| 476226 | May 13, 1998 | May 13, 1998 | Gruy Petroleum Management Co. | Dunbar, Ned #30 | 6,500 | 43534845 |
| 476225 | May 13, 1998 | May 13, 1998 | Gruy Petroleum Management Co. | Dunbar, Ned #29 | 6,500 | 43534844 |
| 476224 | May 13, 1998 | May 13, 1998 | Gruy Petroleum Management Co. | Dunbar, Ned #28 | 6,500 | 43534843 |
| 476223 | May 13, 1998 | May 13, 1998 | Gruy Petroleum Management Co. | Dunbar, Ned #27 | 6,500 | 43534842 |
| 476222 | May 13, 1998 | May 13, 1998 | Gruy Petroleum Management Co. | Dunbar, Ned #26 | 6,500 | 43534841 |
| 476088 | May 11, 1998 | May 11, 1998 | Lomak Production Company | Mayer Ranch #20 | 8,500 | 43534840 |
| 476087 | May 11, 1998 | May 11, 1998 | Lomak Production Company | Mayer Ranch #22 | 8,500 | 43534839 |
| 476085 | May 11, 1998 | May 11, 1998 | Lomak Production Company | Mayer Ranch #25 | 8,500 | 43534837 |
| 476084 | May 11, 1998 | May 11, 1998 | Lomak Production Company | Mayer Ranch #23 | 8,500 | 43534836 |
| 476141 | May 8, 1998 | May 8, 1998 | Dreyfus, Louis Natural Gas Corp | Bloodworth 11 #3 | 9,000 | 43534838 |
| 476065 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Canyon Ranch #1071A | 5,500 | 43534835 |
| 476064 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Canyon Ranch #1395 | 5,750 | 43534834 |
| 476063 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Bloodworth 11 #2 | 7,800 | 43534831 |
| 476062 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Canyon Ranch #8385 | 5,500 | 43534833 |
| 476061 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer 37 #5 | 7,950 | 43534832 |
| 475793 | Apr 29, 1998 | Apr 29, 1998 | Lomak Production Company | Mayer Ranch #26 | 8,500 | 43534829 |
| 475791 | Apr 29, 1998 | Apr 29, 1998 | Lomak Production Company | Mayer Ranch #24 | 8,500 | 43534830 |
| 475610 | Apr 23, 1998 | Apr 23, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H. 108 #9 | 5,600 | 43534828 |
| 475443 | Apr 17, 1998 | Apr 17, 1998 | Dreyfus, Louis Natural Gas Corp | Mayer 15 #6 | 8,200 | 43534827 |
| 475442 | Apr 17, 1998 | Apr 17, 1998 | Dreyfus, Louis Natural Gas Corp | Shurley 99 #13 | 6,550 | 43534825 |
| 475441 | Apr 17, 1998 | Apr 17, 1998 | Dreyfus, Louis Natural Gas Corp | Pfluger 85 #12 | 5,550 | 43534826 |
| 474922 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Mayfield 39 #11 | 8,650 | 43534824 |
| 474921 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Shurley 94 #4 | 6,300 | 43534823 |
| 474920 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Shurley 94 #3 | 6,350 | 43534822 |
| 474919 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Shurley 99 #10 | 6,350 | 43534821 |
| 474918 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Shurley 99 #11 | 6,350 | 43534820 |
| 474818 | Mar 30, 1998 | Mar 30, 1998 | Dreyfus, Louis Natural Gas Corp | Mayfield 45 #6X | 8,350 | 43534819 |
| 474800 | Mar 27, 1998 | Mar 27, 1998 | Burlington Resources Oil&gas Co. | Canyon Ranch #2162SHH | 6,900 | 43534818 |
| 474452 | Mar 18, 1998 | Mar 18, 1998 | Dreyfus, Louis Natural Gas Corp | Wallace 76 #4 | 4,100 | 43532164 |
| 474259 | Mar 17, 1998 | Mar 17, 1998 | Sonat Exploration Co. - Midland | Thorpe 19 #1 | 9,300 | 43534817 |
| 474147 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, WB -14- #10 | 5,800 | 43534808 |
| 474146 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, WB -14- #11 | 5,800 | 43534809 |
| 474145 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, WB -14- #12 | 5,800 | 43534812 |
| 474144 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Canyon Ranch #1072A | 5,550 | 43534814 |
| 474143 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, WB 14 #14 | 5,800 | 43534813 |
| 474142 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H -11- #10 | 5,650 | 43534811 |
| 474141 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Canyon Ranch #1079S | 5,400 | 43534815 |
| 474140 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H -11- #11 | 5,700 | 43534810 |
| 474139 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Canyon Ranch #8310S | 5,550 | 43534816 |
| 474083 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Mayfield 46 #11 | 8,450 | 43534807 |
| 474082 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Mayfield 40 #5 | 8,450 | 43534803 |
| 474081 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Mayfield 46 #10 | 8,450 | 43534801 |
| 474080 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Mayfield 45 #6 | 8,350 | 43534802 |
| 474079 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Mayfield 39 #10 | 8,450 | 43534804 |
| 474078 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Fields 21 #6 | 6,000 | 43534806 |
| 474077 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Vanderstucken 47 #8 | 5,750 | 43534805 |
| 473863 | Feb 27, 1998 | Feb 27, 1998 | Leeper Oil Exp. & Prod. Inc. | McDermott #5 | 6,500 | 43534800 |
| 473485 | Feb 18, 1998 | Feb 18, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, W. B. 14 #9 | 5,750 | 43534799 |
| 473484 | Feb 18, 1998 | Feb 18, 1998 | Dreyfus, Louis Natural Gas Corp | Simmons 73 #5 | 8,050 | 43534798 |
| 473483 | Feb 18, 1998 | Feb 18, 1998 | Dreyfus, Louis Natural Gas Corp | Vanderstucken 49 #9 | 5,750 | 43534797 |
| 473214 | Feb 10, 1998 | Feb 10, 1998 | Dreyfus, Louis Natural Gas Corp | Bloodworth 11 #1 | 9,000 | 43534793 |
| 473213 | Feb 10, 1998 | Feb 10, 1998 | Dreyfus, Louis Natural Gas Corp | Sawyer 112 #13 | 8,000 | 43534794 |
| 473212 | Feb 10, 1998 | Feb 10, 1998 | Dreyfus, Louis Natural Gas Corp | Pfluger 104 #13 | 5,600 | 43534795 |
| 473211 | Feb 10, 1998 | Feb 10, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, W. B. 10 #8 | 5,750 | 43534796 |
| 473049 | Feb 6, 1998 | Feb 6, 1998 | Dreyfus, Louis Natural Gas Corp | Shurley 99 #9 | 6,350 | 43534792 |
| 473048 | Feb 6, 1998 | Feb 6, 1998 | Dreyfus, Louis Natural Gas Corp | Shurley 110 #9 | 7,050 | 43534791 |
| 472605 | Jan 27, 1998 | Jan 27, 1998 | KCS Medallion Resources, Inc. | Genini #3704 | 6,700 | 43534790 |
| 472514 | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H. -11- #16 | 5,650 | 43534787 |
| 472513 | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Kelly 125 #17 | 6,800 | 43534788 |
| 472513Amendment | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Kelly 125 #17 | 6,800 | 43534788 |
| 472512 | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Shurley 123 #13 | 6,650 | 43534786 |
| 472511 | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Kelly 125 #18 | 6,750 | 43534789 |
| 472511Amendment | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Kelly 125A #18 | 6,750 | 43534789 |
| 472463 | Jan 21, 1998 | Jan 21, 1998 | Dreyfus, Louis Natural Gas Corp | Pfluger 104 #14 | 5,600 | 43534784 |
| 472462 | Jan 21, 1998 | Jan 21, 1998 | Dreyfus, Louis Natural Gas Corp | Pfluger 84 #11 | 5,500 | 43534785 |
| 472312 | Jan 16, 1998 | Jan 16, 1998 | Gruy Petroleum Management Co. | Dunbar, Ned #23 | 6,500 | 43534783 |
| 472103 | Jan 12, 1998 | Jan 12, 1998 | Dreyfus, Louis Natural Gas Corp | Reed 100 #16 | 6,350 | 43534782 |
| 472096 | Jan 12, 1998 | Jan 12, 1998 | Dreyfus, Louis Natural Gas Corp | Reed 101 #16 | 6,400 | 43534781 |
| 471784 | Jan 2, 1998 | Jan 2, 1998 | Gruy Petroleum Management Co. | Dunbar, Ned #25 | 6,500 | 43534780 |
| 471435 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Hill-Mayer, Edwin S., Jr. "U" #4 | 8,150 | 43534452 |
| 471433 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Pfluger 84 #12 | 5,600 | 43534775 |
| 471432 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Shannon 51 #6 | 8,200 | 43534779 |
| 471431 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Pfluger 104 #11 | 5,550 | 43534776 |
| 471430 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 147 #16 | 7,050 | 43534773 |
| 471429 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Pfluger 105 #13 | 5,700 | 43534778 |