| 466357 | Aug 20, 1997 | Aug 20, 1997 | Conoco Inc. | Vaquillas Ranch A2 #4 | 10,086 | 47932762 |
| 466355 | Aug 20, 1997 | Aug 20, 1997 | Conoco Inc. | Vaquillas Ranch H #115 | 12,800 | 47935846 |
| 466287 | Aug 18, 1997 | Aug 18, 1997 | Conoco Inc. | Lechenger #10 | 9,172 | 47934246 |
| 466273 | Aug 18, 1997 | Aug 18, 1997 | Killam Oil Co., Ltd. | Slaughter, Lilia Bruni TR 11 #6 | 11,000 | 47936739 |
| 466273Amendment | Aug 18, 1997 | Aug 18, 1997 | Killam Oil Co., Ltd. | Bruni Summers TR 11 #6 | 11,000 | 47936739 |
| 466200 | Aug 18, 1997 | Aug 18, 1997 | Conoco Inc. | Benavides, Rosa V. B #35 | 8,800 | 47934906 |
| 466336 | Aug 15, 1997 | Aug 15, 1997 | Enron Oil & Gas Company | Rottersman 250 #1 | 10,100 | 47936740 |
| 466290 | Aug 14, 1997 | Aug 14, 1997 | Pedeco, Inc. | Rouse, Helen #2 | 8,000 | 47936738 |
| 466214 | Aug 13, 1997 | Aug 13, 1997 | Conoco Inc. | Carr #116 | 10,300 | 47936737 |
| 466174 | Aug 13, 1997 | Aug 13, 1997 | Michael Petroleum Corporation | Parker #2 | 11,000 | 47936736 |
| 465908 | Aug 11, 1997 | Aug 11, 1997 | Conoco Inc. | B. M. T. #28 | 11,450 | 47934955 |
| 465889 | Aug 6, 1997 | Aug 6, 1997 | Pedeco, Inc. | Rouse, Helen #1 | 8,000 | 47936735 |
| 465835 | Aug 5, 1997 | Aug 5, 1997 | Michael Petroleum Corporation | Martin, J. C. III #17 | 10,500 | 47936734 |
| 465814 | Aug 5, 1997 | Aug 5, 1997 | Transtexas Gas Corporation | Laurel #6 | 17,000 | 47936347 |
| 465726 | Aug 4, 1997 | Aug 4, 1997 | Killam Oil Co., Ltd. | Killam & Hurd Fee "1689" #1 | 9,000 | 47936733 |
| 465536 | Aug 4, 1997 | Aug 4, 1997 | Columbus Energy Corp. | Hachar, D. D. #29 | 7,200 | 47936732 |
| 464915 | Aug 4, 1997 | Aug 4, 1997 | Kerns O & G, Inc. | Gates Ranch #F 3 | 5,832 | 47930049 |
| 465765 | Aug 1, 1997 | Aug 1, 1997 | Michael Petroleum Corporation | Martin, Sophie J. #9 | 9,150 | 47936661 |
| 465601 | Jul 29, 1997 | Jul 29, 1997 | Enron Oil & Gas Company | Rottersmann 472 #2 | 12,100 | 47936731 |
| 465339 | Jul 29, 1997 | Jul 29, 1997 | Conoco Inc. | Vergara, G. B. #15 | 11,600 | 47936726 |
| 465338 | Jul 29, 1997 | Jul 29, 1997 | Conoco Inc. | Vergara-Rayzor GU #8 | 11,600 | 47936725 |
| 465338Amendment | Jul 29, 1997 | Jul 29, 1997 | Conoco Inc. | Vergara-Rayzor GU #8 | 10,575 | 47936725 |
| 465516 | Jul 28, 1997 | Jul 28, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #159 | 11,000 | 47936730 |
| 465341 | Jul 28, 1997 | Jul 28, 1997 | Conoco Inc. | Vaquillas Ranch Co. Ltd #51 | 9,953 | 47936657 |
| 465124 | Jul 25, 1997 | Jul 25, 1997 | Conoco Inc. | Vergara, G. B. #10 | 10,643 | 47935891 |
| 465369 | Jul 24, 1997 | Jul 24, 1997 | Transtexas Gas Corporation | Rosario Cattle Co. #1 | 16,000 | 47936729 |
| 465369Amendment | Jul 24, 1997 | Jul 24, 1997 | Transtexas Gas Corporation | Rosario Cattle Co. #1 | 16,000 | 47936729 |
| 465354 | Jul 24, 1997 | Jul 24, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #161 | 10,500 | 47936728 |
| 465353 | Jul 24, 1997 | Jul 24, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #160 | 10,000 | 47936727 |
| 465319 | Jul 23, 1997 | Jul 23, 1997 | Lewis Petro Properties, Inc. | Laurel, F. D. 1390 A #7 | 6,600 | 47936724 |
| 465272 | Jul 23, 1997 | Jul 23, 1997 | Michael Petroleum Corporation | Ramirez, M. & M. Gas Unit #6 | 10,000 | 47936723 |
| 465256 | Jul 22, 1997 | Jul 22, 1997 | North Central Oil Corp. | Hereford -T- #43 | 7,800 | 47936288 |
| 465200 | Jul 21, 1997 | Jul 21, 1997 | Enron Oil & Gas Company | Kha Trautman #3 | 7,200 | 47933139 |
| 465186 | Jul 21, 1997 | Jul 21, 1997 | Conoco Inc. | Hubberd, Marie S. Trust #4 | 10,200 | 47936722 |
| 464955 | Jul 21, 1997 | Jul 21, 1997 | Conoco Inc. | Vergara-Rayzor Gas Unit #5 | 10,431 | 47934293 |
| 465063 | Jul 17, 1997 | Jul 17, 1997 | Conoco Inc. | Arco Fee #7 | 13,100 | 47936720 |
| 465063Amendment | Jul 17, 1997 | Jul 17, 1997 | Conoco Inc. | Arco Fee #7 | 13,100 | 47936720 |
| 465014 | Jul 17, 1997 | Jul 17, 1997 | Michael Petroleum Corporation | Bruni-Summers #9 | 11,000 | 47936719 |
| 464817 | Jul 17, 1997 | Jul 17, 1997 | Conoco Inc. | Vaquillas Ranch Co. Ltd #41 | 10,055 | 47935367 |
| 464932 | Jul 15, 1997 | Jul 15, 1997 | Lewis Petro Properties, Inc. | Jones 1141 #7 | 7,600 | 47936718 |
| 464855 | Jul 14, 1997 | Jul 14, 1997 | Lewis Petro Properties, Inc. | Jones 1142 #9 | 7,600 | 47936717 |
| 464715 | Jul 14, 1997 | Jul 14, 1997 | Conoco Inc. | Bonebrake #3 | 9,850 | 47934706 |
| 464214 | Jul 14, 1997 | Jul 14, 1997 | Valero Transmission, L. P. | Rectifier Phii-85 #129 | 250 | 47936710 |
| 464801 | Jul 11, 1997 | Jul 11, 1997 | Chevron U. S. A. Inc. | Leyendecker et Al #2 | 10,000 | 47936716 |
| 464783 | Jul 11, 1997 | Jul 11, 1997 | Transtexas Gas Corporation | Laurel #7 | 8,900 | 47936373 |
| 464713 | Jul 9, 1997 | Jul 9, 1997 | Conoco Inc. | Benavides, Rosa V. B4 #53 | 9,314 | 47936083 |
| 464704 | Jul 9, 1997 | Jul 9, 1997 | Lewis Petro Properties, Inc. | Benavides 4 #1 | 7,600 | 47936715 |
| 464702 | Jul 9, 1997 | Jul 9, 1997 | Michael Petroleum Corporation | Bruni-Summers #8 | 11,000 | 47936714 |
| 464702Amendment | Jul 9, 1997 | Jul 9, 1997 | Michael Petroleum Corporation | Bruni-Summers #8 | 11,000 | 47936714 |
| 464628 | Jul 9, 1997 | Jul 9, 1997 | Killam Oil Co., Ltd. | K.H.B. "70" #2 | 13,000 | 47936712 |
| 464628Amendment | Jul 9, 1997 | Jul 9, 1997 | Hughes, Dan A. Company | K.H.B. "70" #2 | 13,000 | 47936712 |
| 464560 | Jul 9, 1997 | Jul 9, 1997 | Conoco Inc. | Bruni Ranch #6 | 11,000 | 47932970 |
| 464627 | Jul 8, 1997 | Jul 8, 1997 | Killam Oil Co., Ltd. | Killam Section 4 #1 | 6,000 | 47936713 |
| 464302 | Jul 3, 1997 | Jul 3, 1997 | Conoco Inc. | Vaquillas Ranch A1 #48 | 11,000 | 47933809 |
| 464524 | Jul 2, 1997 | Jul 2, 1997 | Conoco Inc. | BMT #56 | 12,100 | 47936711 |
| 464523 | Jul 2, 1997 | Jul 2, 1997 | Conoco Inc. | Vaquillas Ranch Co. Ltd #44 | 9,990 | 47935404 |
| 464407 | Jun 30, 1997 | Jun 30, 1997 | Mobil Producing TX. & N.M. Inc. | McElroy, W.N. #1 | 15,000 | 47932627 |
| 464238 | Jun 30, 1997 | Jun 30, 1997 | Conoco Inc. | Bonebrake #4 | 9,700 | 47934647 |
| 464167 | Jun 30, 1997 | Jun 30, 1997 | Columbus Energy Corp. | Schwarz #8 | 7,100 | 47936707 |
| 464359 | Jun 27, 1997 | Jun 27, 1997 | Enron Oil & Gas Company | Kha #35 | 8,020 | 47934596 |
| 464306 | Jun 27, 1997 | Jun 27, 1997 | Michael Petroleum Corporation | Cattle, M.M.A. Co. #6R | 10,000 | 47936709 |
| 464306Amendment | Jun 27, 1997 | Jun 27, 1997 | Michael Petroleum Corporation | M.M.A. Cattle Co. #6R | 9,000 | 47936709 |
| 464289 | Jun 26, 1997 | Jun 26, 1997 | Chevron U. S. A. Inc. | C-Bruni Mineral Trust #44 | 8,500 | 47936708 |
| 464024 | Jun 24, 1997 | Jun 24, 1997 | Conoco Inc. | Vaquillas Ranch A1 #85 | 10,800 | 47935206 |
| 464023 | Jun 24, 1997 | Jun 24, 1997 | Conoco Inc. | Vergara #19 | 11,600 | 47936706 |
| 463967 | Jun 23, 1997 | Jun 23, 1997 | Enron Oil & Gas Company | Briscoe "E" #2A | 5,900 | 47936319 |
| 463966 | Jun 23, 1997 | Jun 23, 1997 | Conoco Inc. | Vaquillas Ranch A1 #73 | 11,200 | 47935071 |
| 463963 | Jun 19, 1997 | Jun 19, 1997 | Chevron U. S. A. Inc. | BMT-C-Moreno Gas Unit 2 #1 | 8,500 | 47936230 |
| 463875 | Jun 17, 1997 | Jun 17, 1997 | Columbus Energy Corp. | Hachar, D.D. #28 | 7,200 | 47936705 |
| 463818 | Jun 16, 1997 | Jun 16, 1997 | Cobra Operating Company | Laurel #1 | 9,000 | 47936704 |
| 463818Amendment | Jun 16, 1997 | Jun 16, 1997 | Cobra Operating Company | Laurel #1 | 9,000 | 47936704 |
| 463645 | Jun 12, 1997 | Jun 12, 1997 | Conoco Inc. | Alexander, Charles #13 | 10,100 | 47936703 |
| 463645Amendment | Jun 12, 1997 | Jun 12, 1997 | Conoco Inc. | Alexander, Charles #13 | 8,975 | 47936703 |
| 463319 | Jun 10, 1997 | Jun 10, 1997 | Chevron U. S. A. Inc. | Pena, Helen L. #1 | 7,950 | 47933116 |
| 463533 | Jun 9, 1997 | Jun 9, 1997 | Michael Petroleum Corporation | Mayers #4 | 10,500 | 47936702 |
| 463437 | Jun 6, 1997 | Jun 6, 1997 | Conoco Inc. | Lechenger #29 | 9,700 | 47936699 |
| 463437Amendment | Jun 6, 1997 | Jun 6, 1997 | Conoco Inc. | Lechenger #29 | 9,700 | 47936699 |
| 463272 | Jun 4, 1997 | Jun 4, 1997 | Conoco Inc. | Dix Ranch 1767 #3 | 8,900 | 47936701 |
| 463269 | Jun 4, 1997 | Jun 4, 1997 | Conoco Inc. | Hirsch Estate 54 #1 | 8,900 | 47936700 |
| 463038 | May 29, 1997 | May 29, 1997 | Mobil Producing TX. & N.M. Inc. | McElroy, W. N. #3 | 12,500 | 47936698 |
| 463036 | May 29, 1997 | May 29, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #156 | 10,000 | 47936697 |
| 463035 | May 29, 1997 | May 29, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #157 | 10,000 | 47936696 |
| 463034 | May 29, 1997 | May 29, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #158 | 10,000 | 47936695 |
| 463013 | May 29, 1997 | May 29, 1997 | Killam Oil Co., Ltd. | Killam & Hurd "1612" #1 | 10,400 | 47936694 |
| 462912 | May 27, 1997 | May 27, 1997 | Michael Petroleum Corporation | M.M.A. Cattle Co. #6 | 10,000 | 47936693 |
| 462427 | May 15, 1997 | May 15, 1997 | Transtexas Gas Corporation | Carr #115 | 10,000 | 47936692 |
| 462427Amendment | May 15, 1997 | May 15, 1997 | Conoco Inc. | Carr #115 | 10,734 | 47936692 |
| 462427Amendment | May 15, 1997 | May 15, 1997 | Conoco Inc. | Carr #115 | 10,734 | 47936692 |
| 462259 | May 15, 1997 | May 15, 1997 | Conoco Inc. | Vergara, G. B. #14 | 11,000 | 47936689 |
| 462259Amendment | May 15, 1997 | May 15, 1997 | Conoco Inc. | Vergara, G. B. #14 | 11,000 | 47936689 |
| 462257 | May 15, 1997 | May 15, 1997 | Four Star Oil and Gas Company | El Gato #24 | 11,500 | 47936688 |
| 462408 | May 14, 1997 | May 14, 1997 | Michael Petroleum Corporation | Martin, J. C. III #16 | 10,500 | 47936691 |
| 462407 | May 14, 1997 | May 14, 1997 | Michael Petroleum Corporation | Martin, Sophie J. "B" #7 | 10,000 | 47936690 |
| 462110 | May 14, 1997 | May 14, 1997 | Samson Lone Star LP | Zimmerman #1 | 10,350 | 47936210 |
| 462224 | May 9, 1997 | May 9, 1997 | Enron Oil & Gas Company | Briscoe-Olmitos GU #2A | 10,100 | 47936687 |
| 462082 | May 8, 1997 | May 8, 1997 | Killam Oil Co., Ltd. | K & H Fee "2042" #6 | 10,000 | 47936686 |
| 461971 | May 7, 1997 | May 7, 1997 | Columbus Energy Corp. | Hachar, D. D. #27 | 7,200 | 47936684 |
| 462052 | May 6, 1997 | May 6, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #154 | 10,500 | 47936685 |
| 462052Amendment | May 6, 1997 | May 6, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #154 | 10,500 | 47936685 |
| 462052Amendment | May 6, 1997 | May 6, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #154 | 10,500 | 47936685 |