| 484760 | May 26, 1999 | May 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Shannon 52 #7 | 8,150 | 43534572 |
| 484758 | May 26, 1999 | May 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Simmons 72 #4 | 8,050 | 43534568 |
| 484690 | May 25, 1999 | May 25, 1999 | Dreyfus, Louis Natural Gas Corp | San Patricio | Anderson French Gas Unit #2 | 9,530 | 40930636 |
| 484652 | May 21, 1999 | May 21, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 17 #14 | 6,050 | 43534944 |
| 484648 | May 21, 1999 | May 21, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 99 #12 | 6,450 | 43534943 |
| 484689 | May 20, 1999 | May 20, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #1 | 15,676 | 28532446 |
| 484624 | May 18, 1999 | May 18, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 138 #12 | 8,400 | 43534942 |
| 484495 | May 12, 1999 | May 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 99 #14 | 6,183 | 43534941 |
| 484494 | May 12, 1999 | May 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 21 #3 | 6,034 | 43532166 |
| 484493 | May 12, 1999 | May 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Ward, Rip "M" #5002 | 8,150 | 43534258 |
| 484355 | May 6, 1999 | May 6, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Fitzhenry #1R | 17,000 | 28532710 |
| 484355Amendment | May 6, 1999 | May 6, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Fitzhenry #1R | 17,000 | 28532710 |
| 484295 | May 4, 1999 | May 4, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hicks 61 #2 | 4,761 | 43531314 |
| 484294 | May 4, 1999 | May 4, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #2 | 3,600 | 28532466 |
| 484293 | May 4, 1999 | May 4, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 4 #6 | 8,550 | 43534939 |
| 484292 | May 4, 1999 | May 4, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 6 #6 | 8,475 | 43534940 |
| 484088 | Apr 23, 1999 | Apr 23, 1999 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S. Jr. "E" #20 | 8,000 | 41332061 |
| 484087 | Apr 23, 1999 | Apr 23, 1999 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S. Jr. "E" #19 | 8,350 | 41332060 |
| 483899 | Apr 15, 1999 | Apr 15, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Reinhardt 6 #7 | 8,450 | 43534938 |
| 483813 | Apr 12, 1999 | Apr 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 47 #5 | 8,400 | 43534937 |
| 483650 | Apr 1, 1999 | Apr 1, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat "A" #2 | 15,200 | 28532700 |
| 483649 | Apr 1, 1999 | Apr 1, 1999 | Dreyfus, Louis Natural Gas Corp | San Patricio | Dawe, Laforge & Floerke Gas Unit #6 | 11,115 | 40930676 |
| 483634 | Mar 31, 1999 | Mar 31, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 85 #10 | 5,400 | 43534936 |
| 483633 | Mar 31, 1999 | Mar 31, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 20 #8 | 6,000 | 43534935 |
| 483632 | Mar 31, 1999 | Mar 31, 1999 | Dreyfus, Louis Natural Gas Corp | De Witt | Friar Ranch #1 | 10,900 | 12331477 |
| 483631 | Mar 31, 1999 | Mar 31, 1999 | Dreyfus, Louis Natural Gas Corp | De Witt | Riddel, E. W. #1 | 10,900 | 12331413 |
| 483631Amendment | Mar 31, 1999 | Mar 31, 1999 | Dreyfus, Louis Natural Gas Corp | De Witt | Riddel, E. W. #1 | 10,900 | 12331413 |
| 483510 | Mar 26, 1999 | Mar 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 85 #15 | 5,500 | 43534931 |
| 483509 | Mar 26, 1999 | Mar 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 84 #13 | 5,500 | 43534932 |
| 483508 | Mar 26, 1999 | Mar 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 38 #4 | 8,150 | 43534933 |
| 483507 | Mar 26, 1999 | Mar 26, 1999 | Dreyfus, Louis Natural Gas Corp | Schleicher | Hollenbeck 158 #2 | 8,250 | 41332056 |
| 483506 | Mar 26, 1999 | Mar 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 17 #13 | 6,050 | 43534934 |
| 483504 | Mar 26, 1999 | Mar 26, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Brown #1 | 16,160 | 28532697 |
| 483309 | Mar 16, 1999 | Mar 16, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sibley Estate #5 | 16,000 | 28532695 |
| 483309Amendment | Mar 16, 1999 | Mar 16, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sibley Estate #5 | 16,000 | 28532695 |
| 483040 | Mar 2, 1999 | Mar 2, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Fitzhenry #1 | 17,000 | 28532693 |
| 482989 | Feb 26, 1999 | Feb 26, 1999 | Dreyfus, Louis Natural Gas Corp | Schleicher | Meador 178 #3 | 7,950 | 41332055 |
| 482988 | Feb 26, 1999 | Feb 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 21 #7 | 6,000 | 43534930 |
| 482987 | Feb 26, 1999 | Feb 26, 1999 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork 4 #1 | 6,950 | 12530708 |
| 482863Amendment | Feb 24, 1999 | Feb 24, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Freeman #1 | 15,000 | 28532687 |
| 482863Amendment | Feb 24, 1999 | Feb 24, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Freeman #1 | 15,000 | 28532687 |
| 482908 | Feb 23, 1999 | Feb 23, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Sawyer 112 #15 | 6,800 | 43534929 |
| 482850 | Feb 19, 1999 | Feb 19, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Minnie H. "C' #2 | 8,250 | 43534928 |
| 482849 | Feb 19, 1999 | Feb 19, 1999 | Dreyfus, Louis Natural Gas Corp | Goliad | Welder, Newton #4 | 10,296 | 17532537 |
| 482849Amendment | Feb 19, 1999 | Feb 19, 1999 | Dreyfus, Louis Natural Gas Corp | Goliad | Welder, Newton #4 | 10,296 | 17532537 |
| 482847 | Feb 19, 1999 | Feb 19, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 37 #10 | 8,500 | 43534926 |
| 482743 | Feb 16, 1999 | Feb 16, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Bloodworth 11 #4 | 9,000 | 43534925 |
| 482694 | Feb 12, 1999 | Feb 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 46 #12 | 8,400 | 43534924 |
| 482607 | Feb 9, 1999 | Feb 9, 1999 | Dreyfus, Louis Natural Gas Corp | Lipscomb | Mary Ester 192 #1 | 10,650 | 29532366 |
| 482606 | Feb 9, 1999 | Feb 9, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. 108 #15 | 5,500 | 43534921 |
| 482606Amendment | Feb 9, 1999 | Feb 9, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. 108 #15 | 5,550 | 43534921 |
| 482605 | Feb 9, 1999 | Feb 9, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. 108 #14 | 5,500 | 43534923 |
| 482604 | Feb 9, 1999 | Feb 9, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | David 109 #11 | 5,600 | 43534922 |
| 482415 | Feb 2, 1999 | Feb 2, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S. Jr. "E" #4 | 8,075 | 43534919 |
| 482414 | Feb 2, 1999 | Feb 2, 1999 | Dreyfus, Louis Natural Gas Corp | Victoria | Rosenquest, G. U. #2 | 4,010 | 46932855 |
| 482413 | Feb 2, 1999 | Feb 2, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwing S. Jr. #803 | 8,200 | 43534920 |
| 481990Amendment | Jan 29, 1999 | Jan 29, 1999 | Dreyfus, Louis Natural Gas Corp | Mustang IS-LB | State Tract 774 - L SW/4 #2 | 12,800 | 70230247 |
| 482309 | Jan 27, 1999 | Jan 27, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 105 #11 | 5,450 | 43534915 |
| 482308 | Jan 27, 1999 | Jan 27, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 135 #6 | 8,400 | 43534913 |
| 482307 | Jan 27, 1999 | Jan 27, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. 108 #12 | 5,550 | 43534917 |
| 482306 | Jan 27, 1999 | Jan 27, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 139 #5 | 8,500 | 43534916 |
| 482305 | Jan 27, 1999 | Jan 27, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 4 #5 | 8,500 | 43534914 |
| 482304 | Jan 27, 1999 | Jan 27, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. 108 #13 | 5,550 | 43534918 |
| 482196 | Jan 21, 1999 | Jan 21, 1999 | Dreyfus, Louis Natural Gas Corp | Victoria | Rosenquest G. U. #1 | 4,012 | 46932798 |
| 482029 | Jan 14, 1999 | Jan 14, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #1310S | 5,600 | 43534912 |
| 482028 | Jan 14, 1999 | Jan 14, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Minnie H. "KK" #342 | 8,200 | 43534911 |
| 482027 | Jan 14, 1999 | Jan 14, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 86 #6 | 5,450 | 43534910 |
| 481885 | Jan 4, 1999 | Jan 4, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Minnie H. "C" #4 | 8,200 | 43534909 |
| 481839 | Dec 29, 1998 | Dec 29, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S. Jr. #1103 | 8,200 | 43534908 |
| 481696 | Dec 21, 1998 | Dec 21, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #135S | 5,400 | 43534907 |
| 481695 | Dec 21, 1998 | Dec 21, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #137S | 5,450 | 43534906 |
| 481694 | Dec 21, 1998 | Dec 21, 1998 | Dreyfus, Louis Natural Gas Corp | Edwards | Speck 6 #1 | 10,700 | 13731502 |
| 481610 | Dec 17, 1998 | Dec 17, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sibley Estate #7 | 15,000 | 28532672 |
| 481610Amendment | Dec 17, 1998 | Dec 17, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sibley Estate #7 | 15,000 | 28532672 |
| 481610Amendment | Dec 17, 1998 | Dec 17, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sibley Estate #7 | 15,000 | 28532672 |
| 481419 | Dec 10, 1998 | Dec 10, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #7 | 14,000 | 28532671 |
| 481419Amendment | Dec 10, 1998 | Dec 10, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #7 | 14,000 | 28532671 |
| 481419Amendment | Dec 10, 1998 | Dec 10, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #7 | 14,000 | 28532671 |
| 480617 | Nov 2, 1998 | Nov 2, 1998 | Dreyfus, Louis Natural Gas Corp | Matagorda | Brazos Block 478 - L #2 | 12,000 | 70430313 |
| 480357 | Oct 21, 1998 | Oct 21, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shannon 51 #7 | 8,200 | 43534848 |
| 480319 | Oct 20, 1998 | Oct 20, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat A #4 | 3,600 | 28532501 |
| 480201 | Oct 15, 1998 | Oct 15, 1998 | Dreyfus, Louis Natural Gas Corp | Smith | Butler, Jack #1 | 8,720 | 42331072 |
| 479953 | Oct 6, 1998 | Oct 6, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Baker-Barnes #1 | 15,000 | 28532653 |
| 479953Amendment | Oct 6, 1998 | Oct 6, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Baker-Barnes #1 | 15,000 | 28532653 |
| 479952 | Oct 6, 1998 | Oct 6, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Barnes, Leon #2 | 15,000 | 28532654 |
| 479952Amendment | Oct 6, 1998 | Oct 6, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Barnes, Leon #2 | 15,000 | 28532654 |
| 479952Amendment | Oct 6, 1998 | Oct 6, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Barnes, Leon #2 | 15,000 | 28532654 |
| 479685 | Sep 24, 1998 | Sep 24, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Lyons #1CT | 3,508 | 28532110 |
| 479629 | Sep 22, 1998 | Sep 22, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat "B" #3 | 13,000 | 28532649 |
| 479392 | Sep 11, 1998 | Sep 11, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Arabian #2461 | 3,950 | 12530704 |
| 479391 | Sep 11, 1998 | Sep 11, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W. B. 10 #12 | 5,550 | 43534902 |
| 479390 | Sep 11, 1998 | Sep 11, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W. B. 10 #11 | 5,550 | 43534901 |
| 479389 | Sep 11, 1998 | Sep 11, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W. B. 10 #10 | 5,600 | 43534900 |
| 479388 | Sep 11, 1998 | Sep 11, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 104 #15 | 5,500 | 43534899 |
| 479252 | Sep 3, 1998 | Sep 3, 1998 | Dreyfus, Louis Natural Gas Corp | King | Bronco 214 #1 | 4,000 | 26932321 |
| 479219 | Sep 2, 1998 | Sep 2, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson #605 | 8,450 | 43534898 |
| 479190 | Sep 1, 1998 | Sep 1, 1998 | Dreyfus, Louis Natural Gas Corp | San Patricio | McKamey #1A | 9,866 | 40930525 |
| 479166 | Aug 31, 1998 | Aug 31, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S., Jr. #303 | 8,050 | 43534897 |
| 479165 | Aug 31, 1998 | Aug 31, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer Ranch "M" #1203 | 8,050 | 43534896 |
| 479090 | Aug 28, 1998 | Aug 28, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S., Jr. "K" #2 | 8,000 | 43534894 |