| 468831 | Oct 14, 1997 | Oct 14, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Spencer 173 #1 | 8,250 | 41332018 |
| 468829 | Oct 14, 1997 | Oct 14, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. -11- #9 | 5,650 | 43534758 |
| 468719 | Oct 13, 1997 | Oct 13, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Hill-Mayer, Edwin S. Jr. "PP" #3 | 8,250 | 41332017 |
| 468717 | Oct 13, 1997 | Oct 13, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #1821 | 7,750 | 43534756 |
| 468557 | Oct 8, 1997 | Oct 8, 1997 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador "LS" #161 | 6,890 | 12530671 |
| 466606 | Oct 7, 1997 | Oct 7, 1997 | Dreyfus, Louis Natural Gas Corp | Crockett | Beasley Ranch "A" #7302 | 9,200 | 10537839 |
| 466605 | Oct 7, 1997 | Oct 7, 1997 | Dreyfus, Louis Natural Gas Corp | Crockett | Margaret F. Alford "C" Gas Unit #2 | 9,100 | 10537841 |
| 466604 | Oct 7, 1997 | Oct 7, 1997 | Dreyfus, Louis Natural Gas Corp | Crockett | Alford "A" #8902 | 9,150 | 10537840 |
| 466604Amendment | Oct 7, 1997 | Oct 7, 1997 | Dreyfus, Louis Natural Gas Corp | Crockett | Alford "A" #8902 | 9,150 | 10537840 |
| 468302 | Oct 1, 1997 | Oct 1, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 15 #3 | 8,200 | 43534752 |
| 468301 | Oct 1, 1997 | Oct 1, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Meador -178- #4 | 7,800 | 41332015 |
| 468301Amendment | Oct 1, 1997 | Oct 1, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Meador -178- #4 | 7,800 | 41332015 |
| 468300 | Oct 1, 1997 | Oct 1, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Meador -178- #6 | 7,800 | 41332016 |
| 468078 | Sep 26, 1997 | Sep 26, 1997 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador BH #221 | 4,160 | 12530670 |
| 467947 | Sep 23, 1997 | Sep 23, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 99 #8 | 6,975 | 43534749 |
| 467845 | Sep 19, 1997 | Sep 19, 1997 | Dreyfus, Louis Natural Gas Corp | Lipscomb | Popham 193 #1 | 11,800 | 29532346 |
| 467845Amendment | Sep 19, 1997 | Sep 19, 1997 | Dreyfus, Louis Natural Gas Corp | Lipscomb | Popham 193 #1 | 10,300 | 29532346 |
| 467828 | Sep 19, 1997 | Sep 19, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S. Jr. "E" #10 | 8,250 | 41332013 |
| 467819 | Sep 19, 1997 | Sep 19, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 15 #2 | 8,250 | 43534747 |
| 467461 | Sep 11, 1997 | Sep 11, 1997 | Dreyfus, Louis Natural Gas Corp | Dickens | Pitchfork-Toreador LH #1101 | 6,920 | 12530667 |
| 467460 | Sep 11, 1997 | Sep 11, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C. O. #25 | 4,600 | 13731366 |
| 467459 | Sep 11, 1997 | Sep 11, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C. O. #24 | 5,400 | 13731367 |
| 467458 | Sep 11, 1997 | Sep 11, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C. O. #22 | 5,050 | 13731368 |
| 467457 | Sep 11, 1997 | Sep 11, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 111 #10 | 7,400 | 43534745 |
| 467456 | Sep 11, 1997 | Sep 11, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 110 #8 | 7,400 | 43534746 |
| 467454 | Sep 11, 1997 | Sep 11, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C.O. #28 | 5,050 | 13731365 |
| 467371 | Sep 9, 1997 | Sep 9, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S., Jr. "E" #7 | 8,250 | 41332011 |
| 467370 | Sep 9, 1997 | Sep 9, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Doris Mayer Rousselot "A" #5 | 8,200 | 41332012 |
| 465816 | Sep 5, 1997 | Sep 5, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Johnson, JO Nell "31" #4 | 9,200 | 43534738 |
| 464455 | Sep 3, 1997 | Sep 3, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | McMaster #1 | 5,400 | 28532511 |
| 466784 | Aug 26, 1997 | Aug 26, 1997 | Dreyfus, Louis Natural Gas Corp | Colorado | Allen #1 | 4,000 | 08931966 |
| 463241 | Aug 25, 1997 | Aug 25, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat A #4 | 3,600 | 28532501 |
| 466665 | Aug 22, 1997 | Aug 22, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #0835S | 5,550 | 43534744 |
| 466664 | Aug 22, 1997 | Aug 22, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #0836S | 5,550 | 43534743 |
| 466662 | Aug 22, 1997 | Aug 22, 1997 | Dreyfus, Louis Natural Gas Corp | Lipscomb | Radar #1161 | 11,900 | 29532388 |
| 466662Amendment | Aug 22, 1997 | Aug 22, 1997 | Dreyfus, Louis Natural Gas Corp | Lipscomb | Radar #1161 | 11,900 | 29532388 |
| 466603 | Aug 21, 1997 | Aug 21, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #1071OS | 5,400 | 43534742 |
| 466262 | Aug 18, 1997 | Aug 18, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat "A" #1 | 3,850 | 28532419 |
| 463746 | Aug 18, 1997 | Aug 18, 1997 | Dreyfus, Louis Natural Gas Corp | Crockett | McMullan Ranch "A" #6902 | 8,900 | 10537731 |
| 466361 | Aug 15, 1997 | Aug 15, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sibley Estate #6 | 5,500 | 28532530 |
| 466261 | Aug 14, 1997 | Aug 14, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Klimitchek #2 | 5,650 | 28532434 |
| 466261Amendment | Aug 14, 1997 | Aug 14, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Klimitchek #2 | 1,500 | 28532434 |
| 463395 | Aug 11, 1997 | Aug 11, 1997 | Dreyfus, Louis Natural Gas Corp | Crockett | McMullen "E" #1372 | 9,200 | 10537724 |
| 465819 | Aug 5, 1997 | Aug 5, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. 11 #7 | 5,750 | 43534739 |
| 465818 | Aug 5, 1997 | Aug 5, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Johnson, JO Nell 18 #6 | 9,200 | 43534740 |
| 465817 | Aug 5, 1997 | Aug 5, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, W. B. 10 #7 | 5,800 | 43534737 |
| 465815 | Aug 5, 1997 | Aug 5, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer Ranch "MMM" #150 | 8,412 | 43533376 |
| 465753 | Aug 1, 1997 | Aug 1, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Phillips -7- #2 | 4,500 | 13731359 |
| 465752 | Aug 1, 1997 | Aug 1, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Phillips -7- #1 | 4,500 | 13731360 |
| 465444 | Jul 25, 1997 | Jul 25, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Baker, Roy "16" #17 | 4,300 | 13731358 |
| 465442 | Jul 25, 1997 | Jul 25, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Baker "17" #15X | 4,400 | 13731357 |
| 464754 | Jul 10, 1997 | Jul 10, 1997 | Dreyfus, Louis Natural Gas Corp | Ward | Thornton, Bluford "A" #8202 | 11,600 | 47534499 |
| 463391 | Jul 10, 1997 | Jul 10, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Cauthorn 86 #3 | 6,500 | 43534723 |
| 464577 | Jul 3, 1997 | Jul 3, 1997 | Dreyfus, Louis Natural Gas Corp | Wharton | Prochazka Gas Unit #1 | 6,010 | 48133363 |
| 464504 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Kelly 125 #16 | 6,850 | 43534733 |
| 464503 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones 120 #14 | 6,350 | 43534734 |
| 464502 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Baker "17" #15 | 4,400 | 13731348 |
| 464501 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Baker, Roy "15" #16 | 4,200 | 13731349 |
| 464500 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #1812 | 8,000 | 43534735 |
| 464500Amendment | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #1812 | 8,000 | 43534735 |
| 464499 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Val Verde | Foster, J.R. "82" #4 | 6,200 | 46530554 |
| 464498 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Val Verde | Foster, J.R. "82" #1 | 6,200 | 46530553 |
| 464497 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat "B" #2 | 3,700 | 28532512 |
| 464497Amendment | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat "B" #2 | 3,700 | 28532512 |
| 464454 | Jul 1, 1997 | Jul 1, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Schuck #1 | 5,200 | 28532510 |
| 464049 | Jun 20, 1997 | Jun 20, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S. Jr. "E" #8X | 8,250 | 41332006 |
| 464017 | Jun 19, 1997 | Jun 19, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Morris -63- #3 | 6,255 | 43532244 |
| 464017Amendment | Jun 19, 1997 | Jun 19, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Morris -63- #3 | 6,255 | 43532244 |
| 464016 | Jun 19, 1997 | Jun 19, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S., Jr. "B38" #1 | 7,750 | 43534732 |
| 462817 | Jun 18, 1997 | Jun 18, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Debord #1 | 3,400 | 28532494 |
| 462817Amendment | Jun 18, 1997 | Jun 18, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Debord #1 | 5,100 | 28532494 |
| 462817Amendment | Jun 18, 1997 | Jun 18, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Debord #1 | 5,200 | 28532494 |
| 463893 | Jun 17, 1997 | Jun 17, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Minnie H. "KK" #34 | 8,225 | 43533152 |
| 463745 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 111 #11 | 7,500 | 43534726 |
| 463744 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Crockett | Hunt 24 #2 | 9,540 | 10537730 |
| 463743 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 99 #7 | 7,250 | 43534728 |
| 463742 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 110 #7 | 6,800 | 43534727 |
| 463741 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Lancaster 3 #4 | 8,000 | 43534725 |
| 463740 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Ward | Thornton, Bluford "A" #8201 | 11,600 | 47534488 |
| 463531 | Jun 9, 1997 | Jun 9, 1997 | Dreyfus, Louis Natural Gas Corp | Irion | Cravens -B- #4 | 6,635 | 23533667 |
| 462239 | Jun 6, 1997 | Jun 6, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 148 #8 | 8,200 | 43534715 |
| 462238 | Jun 6, 1997 | Jun 6, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S. Jr. E #12 | 8,100 | 41331998 |
| 463397 | Jun 5, 1997 | Jun 5, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #4 | 3,000 | 28532505 |
| 463396 | Jun 5, 1997 | Jun 5, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Spencer 174 #2 | 7,900 | 41332004 |
| 463388 | Jun 5, 1997 | Jun 5, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Morriss -63- #4 | 6,000 | 43534724 |
| 463386 | Jun 5, 1997 | Jun 5, 1997 | Dreyfus, Louis Natural Gas Corp | Howard | Click 30 #1 | 7,900 | 22735221 |
| 463384 | Jun 5, 1997 | Jun 5, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #3 | 2,700 | 28532504 |
| 463384Amendment | Jun 5, 1997 | Jun 5, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #3 | 2,800 | 28532504 |
| 463169 | Jun 2, 1997 | Jun 2, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S. Jr. "E" #8 | 8,250 | 41332003 |
| 463168 | Jun 2, 1997 | Jun 2, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S., Jr. "H" #3 | 8,350 | 41332002 |
| 463167 | Jun 2, 1997 | Jun 2, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Reed 101 #15 | 6,450 | 43534720 |
| 463165 | Jun 2, 1997 | Jun 2, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Reed 101 #14 | 6,450 | 43534721 |
| 463164 | Jun 2, 1997 | Jun 2, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Reed 100 #15 | 6,250 | 43534722 |
| 463118 | May 30, 1997 | May 30, 1997 | Dreyfus, Louis Natural Gas Corp | Lavaca | Klimitchek #6 | 5,900 | 28532498 |
| 463073 | May 29, 1997 | May 29, 1997 | Dreyfus, Louis Natural Gas Corp | Schleicher | Meador -178- #2 | 7,800 | 41332001 |
| 463069 | May 29, 1997 | May 29, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C.O. #19 | 4,600 | 13731333 |
| 463068 | May 29, 1997 | May 29, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C.O. #21 | 4,600 | 13731334 |
| 463063 | May 29, 1997 | May 29, 1997 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #1864 | 7,800 | 43534719 |
| 463062 | May 29, 1997 | May 29, 1997 | Dreyfus, Louis Natural Gas Corp | Edwards | Whitworth, C.O. #20 | 4,600 | 13731335 |
| 462918 | May 27, 1997 | May 27, 1997 | Dreyfus, Louis Natural Gas Corp | Irion | Rocker B -00- #5 | 6,450 | 23533663 |