| 478887 | Aug 20, 1998 | Aug 20, 1998 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S., Jr. "E" #16 | 8,300 | 41332045 |
| 478886 | Aug 20, 1998 | Aug 20, 1998 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S., Jr. "E" #15 | 8,200 | 41332046 |
| 478884 | Aug 20, 1998 | Aug 20, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S., Jr. "Z" #4 | 8,100 | 43534893 |
| 478854 | Aug 19, 1998 | Aug 19, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 138 #9 | 8,400 | 43534892 |
| 478827 | Aug 18, 1998 | Aug 18, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #8311S | 5,500 | 43534888 |
| 478826 | Aug 18, 1998 | Aug 18, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #837S | 5,500 | 43534889 |
| 478825 | Aug 18, 1998 | Aug 18, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #839S | 5,500 | 43534890 |
| 478824 | Aug 18, 1998 | Aug 18, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 138 #8 | 8,300 | 43534891 |
| 478757 | Aug 14, 1998 | Aug 14, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Hoffer #2 | 3,200 | 28532642 |
| 478756 | Aug 14, 1998 | Aug 14, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Hoffer #1 | 3,200 | 28532643 |
| 478583Amendment | Aug 13, 1998 | Aug 13, 1998 | Dreyfus, Louis Natural Gas Corp | Brooks | Sullivan, D. J. -B- #109 | 9,100 | 04731819 |
| 478527 | Aug 5, 1998 | Aug 5, 1998 | Dreyfus, Louis Natural Gas Corp | Brazos-LB | 440L Unit #N1 | 9,500 | 70430310 |
| 478524 | Aug 5, 1998 | Aug 5, 1998 | Dreyfus, Louis Natural Gas Corp | Brazos-LB | 440 L Unit #K 1 | 9,000 | 70430301 |
| 477732 | Jul 6, 1998 | Jul 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S. Jr "S" #4 | 8,250 | 43534872 |
| 477685 | Jul 2, 1998 | Jul 2, 1998 | Dreyfus, Louis Natural Gas Corp | Brazos-LB | State Tract 372-L SE/4 #1 | 9,000 | 70430323 |
| 477597 | Jun 30, 1998 | Jun 30, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S. Jr. C #402 | 8,350 | 43534870 |
| 477596 | Jun 30, 1998 | Jun 30, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S Jr. C #303 | 8,050 | 43534867 |
| 477595 | Jun 30, 1998 | Jun 30, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S Jr. C #13 | 8,100 | 43534866 |
| 477594 | Jun 30, 1998 | Jun 30, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S Jr. K #7 | 8,150 | 43534869 |
| 477593 | Jun 30, 1998 | Jun 30, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S Jr. K #8 | 8,150 | 43534868 |
| 477559 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 48 #3 | 8,350 | 43534865 |
| 477558 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Minnie H "HH" #3202 | 8,100 | 43534862 |
| 477557 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 49 #5 | 8,100 | 43534863 |
| 477556 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 49 #7 | 7,950 | 43534864 |
| 477555 | Jun 29, 1998 | Jun 29, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer Ranch QQQ #1532 | 8,075 | 43534861 |
| 477355 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillian, WB 14 #15 | 5,500 | 43534856 |
| 477354 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Edwards | Mayfield Ranch "K" #1282 | 4,600 | 13731484 |
| 477353 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H 108 #11 | 5,600 | 43534855 |
| 477352 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 105 #14 | 5,600 | 43534851 |
| 477351 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sibley #4 | 15,000 | 28532623 |
| 477350 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H "11" #13 | 5,400 | 43534857 |
| 477349 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H "11" #15 | 5,400 | 43534858 |
| 477348 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W. B. 10 #9 | 5,500 | 43534859 |
| 477347 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 84 #10 | 5,600 | 43534853 |
| 477346 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Diebitsch 70 #5 | 8,075 | 43534854 |
| 477345 | Jun 22, 1998 | Jun 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W B 14 #16 | 5,500 | 43534852 |
| 477071 | Jun 11, 1998 | Jun 11, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Freeman #1 | 15,900 | 28532618 |
| 477070 | Jun 11, 1998 | Jun 11, 1998 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C. O. #33 | 4,750 | 13731475 |
| 476976 | Jun 8, 1998 | Jun 8, 1998 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C. O. #36 | 4,800 | 13731474 |
| 476907 | Jun 5, 1998 | Jun 5, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #302 | 8,075 | 43534849 |
| 476905 | Jun 5, 1998 | Jun 5, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shannon 51 #7 | 8,200 | 43534848 |
| 476733 | May 29, 1998 | May 29, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B -AA- #6 | 6,600 | 23533760 |
| 476732 | May 29, 1998 | May 29, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B -AA- #5 | 6,600 | 23533761 |
| 476731 | May 29, 1998 | May 29, 1998 | Dreyfus, Louis Natural Gas Corp | Edwards | Evans 27 #1 | 9,300 | 13731469 |
| 476730 | May 29, 1998 | May 29, 1998 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C. O. #30 | 5,000 | 13731470 |
| 476730Amendment | May 29, 1998 | May 29, 1998 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C. O. #30 | 4,500 | 13731470 |
| 476729 | May 29, 1998 | May 29, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Diebitsch 70 #4 | 8,200 | 43534847 |
| 476625 | May 26, 1998 | May 26, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat A #1 | 3,850 | 28532419 |
| 476142 | May 8, 1998 | May 8, 1998 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S Jr "E" #14 | 8,200 | 41332039 |
| 476141 | May 8, 1998 | May 8, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Bloodworth 11 #3 | 9,000 | 43534838 |
| 476065 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #1071A | 5,500 | 43534835 |
| 476064 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #1395 | 5,750 | 43534834 |
| 476063 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Bloodworth 11 #2 | 7,800 | 43534831 |
| 476062 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #8385 | 5,500 | 43534833 |
| 476061 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 37 #5 | 7,950 | 43534832 |
| 476060 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer L #4 | 8,300 | 41332036 |
| 476059 | May 6, 1998 | May 6, 1998 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer L #7 | 8,150 | 41332037 |
| 475828 | Apr 30, 1998 | Apr 30, 1998 | Dreyfus, Louis Natural Gas Corp | Val Verde | Foster, Jr 81 #5 | 5,950 | 46530582 |
| 475612 | Apr 23, 1998 | Apr 23, 1998 | Dreyfus, Louis Natural Gas Corp | Lipscomb | Foster 248 #1 | 10,550 | 29532323 |
| 475610 | Apr 23, 1998 | Apr 23, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. 108 #9 | 5,600 | 43534828 |
| 475444 | Apr 17, 1998 | Apr 17, 1998 | Dreyfus, Louis Natural Gas Corp | Val Verde | Foster, Jr 81 #3 | 5,950 | 46530581 |
| 475443 | Apr 17, 1998 | Apr 17, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 15 #6 | 8,200 | 43534827 |
| 475442 | Apr 17, 1998 | Apr 17, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 99 #13 | 6,550 | 43534825 |
| 475441 | Apr 17, 1998 | Apr 17, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 85 #12 | 5,550 | 43534826 |
| 475105 | Apr 7, 1998 | Apr 7, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Evans #1 | 7,800 | 28532595 |
| 475000 | Apr 3, 1998 | Apr 3, 1998 | Dreyfus, Louis Natural Gas Corp | Val Verde | Foster, Jr 81 #1 | 5,950 | 46530579 |
| 474966 | Apr 2, 1998 | Apr 2, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Ayruad #1 | 7,700 | 28532590 |
| 474966Amendment | Apr 2, 1998 | Apr 2, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Ayruad #1 | 7,700 | 28532590 |
| 474965 | Apr 2, 1998 | Apr 2, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Borchers Estate #3 | 15,000 | 28532591 |
| 474965Amendment | Apr 2, 1998 | Apr 2, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Borchers Estate #3 | 15,000 | 28532591 |
| 474925 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B -00- #6 | 6,450 | 23533754 |
| 474924 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B -00- #7 | 6,450 | 23533753 |
| 474923 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B #8RR | 6,650 | 23533750 |
| 474922 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 39 #11 | 8,650 | 43534824 |
| 474921 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 94 #4 | 6,300 | 43534823 |
| 474920 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 94 #3 | 6,350 | 43534822 |
| 474919 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 99 #10 | 6,350 | 43534821 |
| 474918 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 99 #11 | 6,350 | 43534820 |
| 474917 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B #7RR | 6,650 | 23533749 |
| 474916 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B -CC- #5 | 6,600 | 23533752 |
| 474915 | Apr 1, 1998 | Apr 1, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B -CC- #6 | 6,600 | 23533751 |
| 474883 | Mar 31, 1998 | Mar 31, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B -PP-` #5 | 6,600 | 23533746 |
| 474882 | Mar 31, 1998 | Mar 31, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B -PP- #6 | 6,600 | 23533747 |
| 474881 | Mar 31, 1998 | Mar 31, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B #7DD | 6,600 | 23533745 |
| 474879 | Mar 31, 1998 | Mar 31, 1998 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B #8DD | 6,600 | 23533748 |
| 474818 | Mar 30, 1998 | Mar 30, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 45 #6X | 8,350 | 43534819 |
| 474667 | Mar 24, 1998 | Mar 24, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #3 | 2,800 | 28532504 |
| 474619 | Mar 23, 1998 | Mar 23, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador LS #1502 | 4,100 | 12530698 |
| 474452 | Mar 18, 1998 | Mar 18, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Wallace 76 #4 | 4,100 | 43532164 |
| 474354 | Mar 16, 1998 | Mar 16, 1998 | Dreyfus, Louis Natural Gas Corp | Val Verde | Foster, Jr 81 #2 | 5,950 | 46530577 |
| 474159 | Mar 9, 1998 | Mar 9, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork - Toreador SH #2401 | 4,350 | 12530695 |
| 474147 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, WB -14- #10 | 5,800 | 43534808 |
| 474146 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, WB -14- #11 | 5,800 | 43534809 |
| 474145 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, WB -14- #12 | 5,800 | 43534812 |
| 474144 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #1072A | 5,550 | 43534814 |
| 474143 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, WB 14 #14 | 5,800 | 43534813 |
| 474142 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H -11- #10 | 5,650 | 43534811 |
| 474141 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #1079S | 5,400 | 43534815 |
| 474140 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H -11- #11 | 5,700 | 43534810 |
| 474139 | Mar 6, 1998 | Mar 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #8310S | 5,550 | 43534816 |