| 471428 | Dec 18, 1997 | Dec 18, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H. -108- #10 | 5,600 | 43534777 |
| 471427 | Dec 17, 1997 | Dec 17, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 147 #15 | 7,150 | 43534774 |
| 471186 | Dec 12, 1997 | Dec 12, 1997 | Gruy Petroleum Management Co. | Dunbar, Ned #24 | 6,500 | 43534772 |
| 470859 | Dec 5, 1997 | Dec 5, 1997 | KCS Medallion Resources, Inc. | Genini #3303 | 6,700 | 43534771 |
| 468884 | Dec 2, 1997 | Dec 2, 1997 | Dreyfus, Louis Natural Gas Corp | Genini #3910 | 5,900 | 43534763 |
| 470445 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | Mayer, Edwin S. Jr. "D" #13 | 8,250 | 43534765 |
| 470444 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | Mayer 15 #4 | 8,200 | 43534766 |
| 470443 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | Mayer 15 #5 | 8,200 | 43534767 |
| 470442 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, W. B. 14 #13 | 5,800 | 43534770 |
| 470441 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, W. B. 14 #8 | 5,800 | 43534769 |
| 470440 | Nov 21, 1997 | Nov 21, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H. -11- #14 | 5,600 | 43534768 |
| 469803 | Nov 12, 1997 | Nov 12, 1997 | Cyclone Exploration, Inc. | Mayer, Minnie H. #4 | 8,062 | 43534607 |
| 469849 | Nov 7, 1997 | Nov 7, 1997 | Dreyfus, Louis Natural Gas Corp | Diebitsch 70 #2 | 8,250 | 43534764 |
| 468607 | Nov 7, 1997 | Nov 7, 1997 | Dreyfus, Louis Natural Gas Corp | Genini #3911 | 6,050 | 43534755 |
| 468527 | Oct 30, 1997 | Oct 30, 1997 | Dreyfus, Louis Natural Gas Corp | Genini #3109 | 6,000 | 43534754 |
| 468833 | Oct 28, 1997 | Oct 28, 1997 | Dreyfus, Louis Natural Gas Corp | Genini #3909 | 6,050 | 43534761 |
| 468789 | Oct 17, 1997 | Oct 17, 1997 | Sonat Exploration Co. - Midland | Phillips "40" #1 | 10,200 | 43534757 |
| 468789Amendment | Oct 17, 1997 | Oct 17, 1997 | Sonat Exploration Co. - Midland | Phillips "40" #1 | 10,200 | 43534757 |
| 468883 | Oct 15, 1997 | Oct 15, 1997 | Dreyfus, Louis Natural Gas Corp | Wilson 32 #9 | 5,900 | 43534762 |
| 468836 | Oct 14, 1997 | Oct 14, 1997 | Dreyfus, Louis Natural Gas Corp | Jones Ranch #1872 | 8,100 | 43534760 |
| 468832 | Oct 14, 1997 | Oct 14, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H. -108- #8 | 5,650 | 43534759 |
| 468829 | Oct 14, 1997 | Oct 14, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H. -11- #9 | 5,650 | 43534758 |
| 468717 | Oct 13, 1997 | Oct 13, 1997 | Dreyfus, Louis Natural Gas Corp | Jones Ranch #1821 | 7,750 | 43534756 |
| 468313 | Oct 2, 1997 | Oct 2, 1997 | Union Pacific Resources Company | McDermott '23' #2HH | 6,000 | 43534753 |
| 468302 | Oct 1, 1997 | Oct 1, 1997 | Dreyfus, Louis Natural Gas Corp | Mayer 15 #3 | 8,200 | 43534752 |
| 468228 | Sep 30, 1997 | Sep 30, 1997 | KCS Medallion Resources, Inc. | Berger "A" #4 | 6,450 | 43534751 |
| 468199 | Sep 30, 1997 | Sep 30, 1997 | KCS Medallion Resources, Inc. | Genini #3703 | 6,700 | 43534750 |
| 467947 | Sep 23, 1997 | Sep 23, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 99 #8 | 6,975 | 43534749 |
| 467860 | Sep 22, 1997 | Sep 22, 1997 | Leeper Oil Exp. & Prod. Inc. | McDermott #2 | 6,500 | 43534748 |
| 467860Amendment | Sep 22, 1997 | Sep 22, 1997 | Leeper Oil Exp. & Prod. Inc. | McDermott #2 | 6,212 | 43534748 |
| 467819 | Sep 19, 1997 | Sep 19, 1997 | Dreyfus, Louis Natural Gas Corp | Mayer 15 #2 | 8,250 | 43534747 |
| 467457 | Sep 11, 1997 | Sep 11, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 111 #10 | 7,400 | 43534745 |
| 467456 | Sep 11, 1997 | Sep 11, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 110 #8 | 7,400 | 43534746 |
| 465816 | Sep 5, 1997 | Sep 5, 1997 | Dreyfus, Louis Natural Gas Corp | Johnson, JO Nell "31" #4 | 9,200 | 43534738 |
| 466665 | Aug 22, 1997 | Aug 22, 1997 | Dreyfus, Louis Natural Gas Corp | Canyon Ranch #0835S | 5,550 | 43534744 |
| 466664 | Aug 22, 1997 | Aug 22, 1997 | Dreyfus, Louis Natural Gas Corp | Canyon Ranch #0836S | 5,550 | 43534743 |
| 466603 | Aug 21, 1997 | Aug 21, 1997 | Dreyfus, Louis Natural Gas Corp | Canyon Ranch #1071OS | 5,400 | 43534742 |
| 466062 | Aug 14, 1997 | Aug 14, 1997 | Cyclone Exploration, Inc. | Allison "B" #2 | 6,700 | 43534741 |
| 465554 | Aug 11, 1997 | Aug 11, 1997 | Hugoton Energy Corporation | Sugg, A. A. "30" #1 | 7,200 | 23531934 |
| 465819 | Aug 5, 1997 | Aug 5, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H. 11 #7 | 5,750 | 43534739 |
| 465818 | Aug 5, 1997 | Aug 5, 1997 | Dreyfus, Louis Natural Gas Corp | Johnson, JO Nell 18 #6 | 9,200 | 43534740 |
| 465817 | Aug 5, 1997 | Aug 5, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, W. B. 10 #7 | 5,800 | 43534737 |
| 465815 | Aug 5, 1997 | Aug 5, 1997 | Dreyfus, Louis Natural Gas Corp | Mayer Ranch "MMM" #150 | 8,412 | 43533376 |
| 465488 | Aug 4, 1997 | Aug 4, 1997 | Union Pacific Resources Company | Askew #7701HH | 5,700 | 43534736 |
| 465488Amendment | Aug 4, 1997 | Aug 4, 1997 | Union Pacific Resources Company | Askew #7701HH | 5,700 | 43534736 |
| 463391 | Jul 10, 1997 | Jul 10, 1997 | Dreyfus, Louis Natural Gas Corp | Cauthorn 86 #3 | 6,500 | 43534723 |
| 463871 | Jul 3, 1997 | Jul 3, 1997 | Union Pacific Resources Company | Allison, Lea '41' #1HH | 6,000 | 43534731 |
| 463871Amendment | Jul 3, 1997 | Jul 3, 1997 | Union Pacific Resources Company | Allison, Lea '41' #1HH | 6,000 | 43534731 |
| 464504 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Kelly 125 #16 | 6,850 | 43534733 |
| 464503 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Jones 120 #14 | 6,350 | 43534734 |
| 464500 | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Jones Ranch #1812 | 8,000 | 43534735 |
| 464500Amendment | Jul 2, 1997 | Jul 2, 1997 | Dreyfus, Louis Natural Gas Corp | Jones Ranch #1812 | 8,000 | 43534735 |
| 464017 | Jun 19, 1997 | Jun 19, 1997 | Dreyfus, Louis Natural Gas Corp | Morris -63- #3 | 6,255 | 43532244 |
| 464017Amendment | Jun 19, 1997 | Jun 19, 1997 | Dreyfus, Louis Natural Gas Corp | Morris -63- #3 | 6,255 | 43532244 |
| 464016 | Jun 19, 1997 | Jun 19, 1997 | Dreyfus, Louis Natural Gas Corp | Mayer, Edwin S., Jr. "B38" #1 | 7,750 | 43534732 |
| 463870 | Jun 19, 1997 | Jun 19, 1997 | Union Pacific Resources Company | McDermott '23' #1HH | 6,000 | 43534730 |
| 463893 | Jun 17, 1997 | Jun 17, 1997 | Dreyfus, Louis Natural Gas Corp | Mayer, Minnie H. "KK" #34 | 8,225 | 43533152 |
| 463794 | Jun 16, 1997 | Jun 16, 1997 | Union Pacific Resources Company | Aldwell '22' #1HH | 8,700 | 43534729 |
| 463745 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 111 #11 | 7,500 | 43534726 |
| 463743 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 99 #7 | 7,250 | 43534728 |
| 463742 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 110 #7 | 6,800 | 43534727 |
| 463741 | Jun 13, 1997 | Jun 13, 1997 | Dreyfus, Louis Natural Gas Corp | Lancaster 3 #4 | 8,000 | 43534725 |
| 463423 | Jun 6, 1997 | Jun 6, 1997 | Leeper Oil Exp. & Prod. Inc. | McDermott #3 | 6,500 | 43500091 |
| 462239 | Jun 6, 1997 | Jun 6, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 148 #8 | 8,200 | 43534715 |
| 463388 | Jun 5, 1997 | Jun 5, 1997 | Dreyfus, Louis Natural Gas Corp | Morriss -63- #4 | 6,000 | 43534724 |
| 463167 | Jun 2, 1997 | Jun 2, 1997 | Dreyfus, Louis Natural Gas Corp | Reed 101 #15 | 6,450 | 43534720 |
| 463165 | Jun 2, 1997 | Jun 2, 1997 | Dreyfus, Louis Natural Gas Corp | Reed 101 #14 | 6,450 | 43534721 |
| 463164 | Jun 2, 1997 | Jun 2, 1997 | Dreyfus, Louis Natural Gas Corp | Reed 100 #15 | 6,250 | 43534722 |
| 463063 | May 29, 1997 | May 29, 1997 | Dreyfus, Louis Natural Gas Corp | Jones Ranch #1864 | 7,800 | 43534719 |
| 462916 | May 27, 1997 | May 27, 1997 | Dreyfus, Louis Natural Gas Corp | Pfluger 104 #10 | 5,650 | 43534717 |
| 462915 | May 27, 1997 | May 27, 1997 | Dreyfus, Louis Natural Gas Corp | Genini #3106 | 6,900 | 43534718 |
| 462240 | May 9, 1997 | May 9, 1997 | Union Pacific Resources Company | Aldwell "13" #1HH | 9,000 | 43534716 |
| 462032 | May 6, 1997 | May 6, 1997 | Dreyfus, Louis Natural Gas Corp | Pfluger 85 #11 | 5,400 | 43534712 |
| 462030 | May 6, 1997 | May 6, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H. -11- #8 | 5,700 | 43534713 |
| 462028 | May 6, 1997 | May 6, 1997 | Dreyfus, Louis Natural Gas Corp | McMillan, Leo H. -108- #7 | 5,700 | 43534714 |
| 460445 | May 6, 1997 | May 6, 1997 | Dreyfus, Louis Natural Gas Corp | Jones 118 #16 | 7,450 | 43534701 |
| 460932 | May 5, 1997 | May 5, 1997 | Dreyfus, Louis Natural Gas Corp | Genini #3908 | 6,950 | 43534705 |
| 461924 | May 2, 1997 | May 2, 1997 | Dreyfus, Louis Natural Gas Corp | Jones 118 #15 | 7,500 | 43534711 |
| 461766 | Apr 29, 1997 | Apr 29, 1997 | Burlington Resources Oil&gas Co. | Meckel #39 | 6,000 | 43534710 |
| 461184 | Apr 15, 1997 | Apr 15, 1997 | Burlington Resources Oil&gas Co. | Deberry-Berger Unit #13 | 6,650 | 43534708 |
| 461182 | Apr 15, 1997 | Apr 15, 1997 | Burlington Resources Oil&gas Co. | Deberry-Berger Unit #14 | 6,600 | 43534709 |
| 460977 | Apr 10, 1997 | Apr 10, 1997 | Burlington Resources Oil&gas Co. | Canyon Ranch #2161S | 7,000 | 43533693 |
| 460977Amendment | Apr 10, 1997 | Apr 10, 1997 | Burlington Resources Oil&gas Co. | Canyon Ranch #2161SHH | 6,850 | 43533693 |
| 460936 | Apr 9, 1997 | Apr 9, 1997 | Dreyfus, Louis Natural Gas Corp | Wilson 32 #8 | 6,850 | 43534707 |
| 460935 | Apr 9, 1997 | Apr 9, 1997 | Dreyfus, Louis Natural Gas Corp | Wilson 32 #7 | 6,800 | 43534706 |
| 460519 | Apr 2, 1997 | Apr 2, 1997 | Cockrell Production Co., Inc. | Valliant #5 | 8,800 | 43534704 |
| 460469 | Mar 28, 1997 | Mar 28, 1997 | Dreyfus, Louis Natural Gas Corp | Mayer "37" #4 | 8,400 | 43534702 |
| 460467 | Mar 28, 1997 | Mar 28, 1997 | Dreyfus, Louis Natural Gas Corp | Jones Ranch #1802 | 7,850 | 43534703 |
| 460449 | Mar 27, 1997 | Mar 27, 1997 | Dreyfus, Louis Natural Gas Corp | Pfluger 105 #12 | 5,600 | 43534697 |
| 460448 | Mar 27, 1997 | Mar 27, 1997 | Dreyfus, Louis Natural Gas Corp | Genini #3107 | 6,900 | 43534698 |
| 460447 | Mar 27, 1997 | Mar 27, 1997 | Dreyfus, Louis Natural Gas Corp | Wilson 32 #5 | 6,750 | 43534699 |
| 460446 | Mar 27, 1997 | Mar 27, 1997 | Dreyfus, Louis Natural Gas Corp | Shurley 36 #11 | 7,000 | 43534700 |
| 460151 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Deberry A #38 | 6,900 | 43534696 |
| 460150 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Deberry A #42 | 6,850 | 43534693 |
| 460149 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Deberry A #49 | 6,650 | 43534694 |
| 460148 | Mar 20, 1997 | Mar 20, 1997 | Burlington Resources Oil&gas Co. | Deberry A #50 | 6,400 | 43534695 |
| 460044 | Mar 18, 1997 | Mar 18, 1997 | Burlington Resources Oil&gas Co. | Steen #44 | 6,000 | 43534691 |
| 460043 | Mar 18, 1997 | Mar 18, 1997 | Burlington Resources Oil&gas Co. | Deberry #15 | 6,600 | 43534692 |
| 459983 | Mar 17, 1997 | Mar 17, 1997 | Burlington Resources Oil&gas Co. | Davis "E" #13 | 6,350 | 43534690 |
| 457373 | Mar 17, 1997 | Mar 17, 1997 | Dreyfus, Louis Natural Gas Corp | Johnson #4 | 9,800 | 43534667 |