| 474083 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 46 #11 | 8,450 | 43534807 |
| 474082 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 40 #5 | 8,450 | 43534803 |
| 474081 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 46 #10 | 8,450 | 43534801 |
| 474080 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 45 #6 | 8,350 | 43534802 |
| 474079 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 39 #10 | 8,450 | 43534804 |
| 474078 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 21 #6 | 6,000 | 43534806 |
| 474077 | Mar 5, 1998 | Mar 5, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Vanderstucken 47 #8 | 5,750 | 43534805 |
| 473864 | Feb 27, 1998 | Feb 27, 1998 | Dreyfus, Louis Natural Gas Corp | Matgrda IS-LB | State Tract 525-L SE/4 #1 | 10,900 | 70330384 |
| 473864Amendment | Feb 27, 1998 | Feb 27, 1998 | Dreyfus, Louis Natural Gas Corp | Matgrda IS-LB | State Tract 558 NE/4 #1 | 10,900 | 70330384 |
| 473792 | Feb 25, 1998 | Feb 25, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador BH #2204 | 4,075 | 12530694 |
| 473792Amendment | Feb 25, 1998 | Feb 25, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador BH #2204 | 4,075 | 12530694 |
| 473485 | Feb 18, 1998 | Feb 18, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W. B. 14 #9 | 5,750 | 43534799 |
| 473484 | Feb 18, 1998 | Feb 18, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Simmons 73 #5 | 8,050 | 43534798 |
| 473483 | Feb 18, 1998 | Feb 18, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Vanderstucken 49 #9 | 5,750 | 43534797 |
| 473482 | Feb 18, 1998 | Feb 18, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sartwelle #4 | 14,500 | 28532581 |
| 473275 | Feb 12, 1998 | Feb 12, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador B H 21 #1 | 4,200 | 12530690 |
| 473214 | Feb 10, 1998 | Feb 10, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Bloodworth 11 #1 | 9,000 | 43534793 |
| 473213 | Feb 10, 1998 | Feb 10, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Sawyer 112 #13 | 8,000 | 43534794 |
| 473212 | Feb 10, 1998 | Feb 10, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 104 #13 | 5,600 | 43534795 |
| 473211 | Feb 10, 1998 | Feb 10, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W. B. 10 #8 | 5,750 | 43534796 |
| 473049 | Feb 6, 1998 | Feb 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 99 #9 | 6,350 | 43534792 |
| 473048 | Feb 6, 1998 | Feb 6, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 110 #9 | 7,050 | 43534791 |
| 472943 | Feb 4, 1998 | Feb 4, 1998 | Dreyfus, Louis Natural Gas Corp | Matgrda IS-LB | State Tract 485 - L S/2 NE/4 #1 | 8,500 | 70330383 |
| 472943Amendment | Feb 4, 1998 | Feb 4, 1998 | Dreyfus, Louis Natural Gas Corp | Matgrda IS-LB | State Tract 485 - L S/2 NE/4 #1 | 8,500 | 70330383 |
| 472941 | Feb 4, 1998 | Feb 4, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Baker #1 | 15,000 | 28532576 |
| 472941Amendment | Feb 4, 1998 | Feb 4, 1998 | Dreyfus, Louis Natural Gas Corp | Lavaca | Baker #1 | 15,000 | 28532576 |
| 472900 | Feb 3, 1998 | Feb 3, 1998 | Dreyfus, Louis Natural Gas Corp | Crockett | Sudderth "B" #7202 | 9,715 | 10537020 |
| 472622 | Jan 26, 1998 | Jan 26, 1998 | Dreyfus, Louis Natural Gas Corp | Galveston-LB | State Tract 215-L NW/4 #1 | 6,250 | 70630222 |
| 472514 | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. -11- #16 | 5,650 | 43534787 |
| 472513 | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Kelly 125 #17 | 6,800 | 43534788 |
| 472513Amendment | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Kelly 125 #17 | 6,800 | 43534788 |
| 472512 | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 123 #13 | 6,650 | 43534786 |
| 472511 | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Kelly 125 #18 | 6,750 | 43534789 |
| 472511Amendment | Jan 22, 1998 | Jan 22, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Kelly 125A #18 | 6,750 | 43534789 |
| 472463 | Jan 21, 1998 | Jan 21, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 104 #14 | 5,600 | 43534784 |
| 472462 | Jan 21, 1998 | Jan 21, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 84 #11 | 5,500 | 43534785 |
| 472402 | Jan 20, 1998 | Jan 20, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador LH #1103 | 4,150 | 12530687 |
| 472401 | Jan 20, 1998 | Jan 20, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador SH #501 | 4,200 | 12530688 |
| 472400 | Jan 20, 1998 | Jan 20, 1998 | Dreyfus, Louis Natural Gas Corp | Lipscomb | Jones Trust 98 #1 | 10,975 | 29532424 |
| 472103 | Jan 12, 1998 | Jan 12, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Reed 100 #16 | 6,350 | 43534782 |
| 472101 | Jan 12, 1998 | Jan 12, 1998 | Dreyfus, Louis Natural Gas Corp | Duval | Herbst-Torel #3 | 11,000 | 13134968 |
| 472096 | Jan 12, 1998 | Jan 12, 1998 | Dreyfus, Louis Natural Gas Corp | Sutton | Reed 101 #16 | 6,400 | 43534781 |
| 472030 | Jan 9, 1998 | Jan 9, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador BH #223 | 4,100 | 12530685 |
| 472030Amendment | Jan 9, 1998 | Jan 9, 1998 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador BH #223 | 4,100 | 12530685 |
| 470898 | Dec 31, 1997 | Dec 31, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Hancock #1R | 4,100 | 28532461 |
| 468834 | Dec 22, 1997 | Dec 22, 1997 | Dreyfus, Louis Natural Gas Corp | Crockett | McMullen "D" #1112 | 8,900 | 10537909 |
| 471435 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S., Jr. "U" #4 | 8,150 | 43534452 |
| 471433 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 84 #12 | 5,600 | 43534775 |
| 471432 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shannon 51 #6 | 8,200 | 43534779 |
| 471431 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 104 #11 | 5,550 | 43534776 |
| 471430 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 147 #16 | 7,050 | 43534773 |
| 471429 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 105 #13 | 5,700 | 43534778 |
| 471428 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. -108- #10 | 5,600 | 43534777 |
| 471427 | Dec 17, 1997 | Dec 17, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 147 #15 | 7,150 | 43534774 |
| 471377 | Dec 17, 1997 | Dec 17, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Klimitchek #2 | 1,500 | 28532434 |
| 471371 | Dec 17, 1997 | Dec 17, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Klimitchek #1 | 3,343 | 28532460 |
| 471371Amendment | Dec 17, 1997 | Dec 17, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Klimitchek #1 | 3,800 | 28532460 |
| 471316 | Dec 16, 1997 | Dec 16, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #5 | 16,500 | 28532564 |
| 471132 | Dec 11, 1997 | Dec 11, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sartwelle "A' #2 | 3,800 | 28532456 |
| 471132Amendment | Dec 11, 1997 | Dec 11, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sartwelle "A" #2 | 3,800 | 28532456 |
| 468884 | Dec 2, 1997 | Dec 2, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Genini #3910 | 5,900 | 43534763 |
| 470619 | Nov 26, 1997 | Nov 26, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Clark #1 | 9,800 | 28532558 |
| 470617 | Nov 26, 1997 | Nov 26, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sartwell #1 | 13,900 | 28532557 |
| 470617Amendment | Nov 26, 1997 | Nov 26, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sartwelle #3 | 13,900 | 28532557 |
| 470615 | Nov 26, 1997 | Nov 26, 1997 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador "BG" #71 | 4,400 | 12530683 |
| 470445 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S. Jr. "D" #13 | 8,250 | 43534765 |
| 470444 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 15 #4 | 8,200 | 43534766 |
| 470443 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 15 #5 | 8,200 | 43534767 |
| 470442 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W. B. 14 #13 | 5,800 | 43534770 |
| 470441 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W. B. 14 #8 | 5,800 | 43534769 |
| 470440 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. -11- #14 | 5,600 | 43534768 |
| 470334 | Nov 20, 1997 | Nov 20, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Hermes #1 | 8,500 | 28532554 |
| 470263 | Nov 18, 1997 | Nov 18, 1997 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork Toreador LS #1501 | 4,125 | 12530681 |
| 470263Amendment | Nov 18, 1997 | Nov 18, 1997 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador LS #151 | 4,125 | 12530681 |
| 469854 | Nov 7, 1997 | Nov 7, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Spencer 173 #2 | 8,250 | 41332023 |
| 469853 | Nov 7, 1997 | Nov 7, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Spencer 173 #3 | 7,950 | 41332022 |
| 469852 | Nov 7, 1997 | Nov 7, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S., Jr. "E" #17 | 8,250 | 41332026 |
| 469851 | Nov 7, 1997 | Nov 7, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S., Jr. "E' #18 | 8,300 | 41332025 |
| 469850 | Nov 7, 1997 | Nov 7, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Hellenbeck, Chrystella 67 #2 | 8,050 | 41332024 |
| 469849 | Nov 7, 1997 | Nov 7, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Diebitsch 70 #2 | 8,250 | 43534764 |
| 468607 | Nov 7, 1997 | Nov 7, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Genini #3911 | 6,050 | 43534755 |
| 469709 | Nov 5, 1997 | Nov 5, 1997 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork Toreador #2022 | 4,105 | 12530678 |
| 469709Amendment | Nov 5, 1997 | Nov 5, 1997 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork Toreador BH #222 | 4,100 | 12530678 |
| 469544 | Oct 31, 1997 | Oct 31, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Rousselot, Doris Mayer "A" #7 | 8,250 | 41332021 |
| 469543 | Oct 31, 1997 | Oct 31, 1997 | Dreyfus, Louis Natural Gas Corp | Howard | Case-Rakow State 68 #1 | 8,100 | 22735266 |
| 469541 | Oct 31, 1997 | Oct 31, 1997 | Dreyfus, Louis Natural Gas Corp | McMullen | Horton, R. P. #26 | 9,600 | 31133478 |
| 469494 | Oct 30, 1997 | Oct 30, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Hill-Mayer "QQ" #2 | 8,400 | 41332020 |
| 468527 | Oct 30, 1997 | Oct 30, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Genini #3109 | 6,000 | 43534754 |
| 469436 | Oct 29, 1997 | Oct 29, 1997 | Dreyfus, Louis Natural Gas Corp | Matgrda IS-LB | State Tract 559-L SE/4 #1 | 9,100 | 70330382 |
| 469435 | Oct 29, 1997 | Oct 29, 1997 | Dreyfus, Louis Natural Gas Corp | Matgrda IS-LB | State Tract 560-L NW/4 #1 | 7,800 | 70330381 |
| 468833 | Oct 28, 1997 | Oct 28, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Genini #3909 | 6,050 | 43534761 |
| 469351 | Oct 27, 1997 | Oct 27, 1997 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B #7EE | 6,600 | 23533709 |
| 469351Amendment | Oct 27, 1997 | Oct 27, 1997 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B #7EE | 6,600 | 23533709 |
| 469350 | Oct 27, 1997 | Oct 27, 1997 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B #6RR | 6,650 | 23533710 |
| 469196 | Oct 23, 1997 | Oct 23, 1997 | Dreyfus, Louis Natural Gas Corp | Lipscomb | Jones Trust #1681 | 10,700 | 29532400 |
| 469077 | Oct 21, 1997 | Oct 21, 1997 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador LH #112 | 4,200 | 12530674 |
| 468883 | Oct 15, 1997 | Oct 15, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Wilson 32 #9 | 5,900 | 43534762 |
| 468836 | Oct 14, 1997 | Oct 14, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #1872 | 8,100 | 43534760 |
| 468835 | Oct 14, 1997 | Oct 14, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S. Jr. "R" Unit #2 | 8,300 | 41332019 |
| 468832 | Oct 14, 1997 | Oct 14, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. -108- #8 | 5,650 | 43534759 |