| 483203 | Mar 10, 1999 | Mar 10, 1999 | Michael Petroleum Corporation | Rottersman #30 | 10,500 | 47937242 |
| 483203Amendment | Mar 10, 1999 | Mar 10, 1999 | Michael Petroleum Corporation | Rottersman #30 | 10,500 | 47937242 |
| 483203Amendment | Mar 10, 1999 | Mar 10, 1999 | Michael Petroleum Corporation | Rottersman #30 | 10,500 | 47937242 |
| 483150 | Mar 10, 1999 | Mar 10, 1999 | North Central Oil Corp. | Russell-Winch #17 | 9,065 | 47936814 |
| 483115 | Mar 10, 1999 | Mar 10, 1999 | Collins & Ware, Inc. | D.C.R.C. 100B #3 | 2,950 | 47936636 |
| 483099 | Mar 10, 1999 | Mar 10, 1999 | Kerns O & G, Inc. | Petty Ranch #1117 | 5,500 | 47937240 |
| 483146 | Mar 8, 1999 | Mar 8, 1999 | Conoco Inc. | Hubberd #35 | 11,100 | 47937241 |
| 483146Amendment | Mar 8, 1999 | Mar 8, 1999 | Conoco Inc. | Hubberd #35 | 11,100 | 47937241 |
| 483079 | Mar 5, 1999 | Mar 5, 1999 | Kerns O & G, Inc. | Petty Ranch #6022 | 5,500 | 47937239 |
| 483089 | Mar 4, 1999 | Mar 4, 1999 | Conoco Inc. | Villarreal State #1 | 13,100 | 47937238 |
| 483084 | Mar 4, 1999 | Mar 4, 1999 | Mobil Producing TX. & N.M. Inc. | Callaghan Ranch #27 | 5,192 | 47930914 |
| 483083 | Mar 4, 1999 | Mar 4, 1999 | Mobil Producing TX. & N.M. Inc. | Callaghan Ranch #24 | 5,155 | 47930917 |
| 483060 | Mar 3, 1999 | Mar 3, 1999 | Conoco Inc. | Carr #123 | 11,100 | 47937237 |
| 482977 | Mar 2, 1999 | Mar 2, 1999 | Hydrocarbon Operating, Inc. | Norfleet, A. V. #4 | 8,534 | 47935431 |
| 482937 | Feb 25, 1999 | Feb 25, 1999 | Chevron U. S. A. Inc. | Bruni Mineral Trust #B 30 | 10,000 | 47937236 |
| 482871 | Feb 22, 1999 | Feb 22, 1999 | Conoco Inc. | Vergara 1659 #2 | 10,600 | 47937235 |
| 482871Amendment | Feb 22, 1999 | Feb 22, 1999 | Conoco Inc. | Vergara 1659 #2 | 10,600 | 47937235 |
| 482809 | Feb 22, 1999 | Feb 22, 1999 | Killam Oil Co., Ltd. | Bruni Minerals "A" #20 | 10,300 | 47937233 |
| 482778 | Feb 22, 1999 | Feb 22, 1999 | Killam Oil Co., Ltd. | Bruni Minerals "A" #22 | 10,200 | 47937234 |
| 482778Amendment | Feb 22, 1999 | Feb 22, 1999 | Killam Oil Co., Ltd. | Bruni Minerals "A" #22 | 10,200 | 47937234 |
| 482714 | Feb 22, 1999 | Feb 22, 1999 | North Central Oil Corp. | Webb County School Board #1 | 9,366 | 47932542 |
| 482388 | Feb 19, 1999 | Feb 19, 1999 | North Central Oil Corp. | Russell-Winch #10 | 8,840 | 47935567 |
| 482807 | Feb 18, 1999 | Feb 18, 1999 | Michael Petroleum Corporation | Schwarz, E. H. #21 | 10,000 | 47937232 |
| 482807Amendment | Feb 18, 1999 | Feb 18, 1999 | Michael Petroleum Corporation | Schwarz, E. H. #21 | 10,000 | 47937232 |
| 482717 | Feb 17, 1999 | Feb 17, 1999 | Kerns O & G, Inc. | Petty Ranch #1306 | 5,800 | 47937231 |
| 482701 | Feb 17, 1999 | Feb 17, 1999 | Enex Resources Corporation | Barnes Estate #1 | 7,504 | 47933788 |
| 482549 | Feb 17, 1999 | Feb 17, 1999 | Fasken Oil and Ranch, Ltd. | Palafox Exploration Co. -17- #4 | 6,000 | 47937228 |
| 482548 | Feb 17, 1999 | Feb 17, 1999 | Fasken Oil and Ranch, Ltd. | Palafox Exploration Co. -20A- #1 | 6,100 | 47937230 |
| 482547 | Feb 17, 1999 | Feb 17, 1999 | Fasken Oil and Ranch, Ltd. | Palafox Exploration Co. -9- #3 | 6,000 | 47937229 |
| 482662 | Feb 12, 1999 | Feb 12, 1999 | Kerns O & G, Inc. | Petty, O. S. "B" #5021 | 5,550 | 47933117 |
| 482565 | Feb 9, 1999 | Feb 9, 1999 | Michael Petroleum Corporation | Bruni-Summers #15 | 11,500 | 47937227 |
| 482565Amendment | Feb 9, 1999 | Feb 9, 1999 | Michael Petroleum Corporation | Bruni-Summers #15 | 11,750 | 47937227 |
| 482523 | Feb 9, 1999 | Feb 9, 1999 | Kerns O & G, Inc. | Petty Ranch #1206 | 5,800 | 47937226 |
| 482523Amendment | Feb 9, 1999 | Feb 9, 1999 | Kerns O & G, Inc. | Petty Ranch #1206 | 5,800 | 47937226 |
| 482523Amendment | Feb 9, 1999 | Feb 9, 1999 | Kerns O & G, Inc. | Petty Ranch #1206 | 5,800 | 47937226 |
| 482513 | Feb 8, 1999 | Feb 8, 1999 | Conoco Inc. | Rottersman #1 | 10,600 | 47937224 |
| 482512 | Feb 8, 1999 | Feb 8, 1999 | Conoco Inc. | Vaquillas Ranch L7 #178 | 9,500 | 47937225 |
| 482411 | Feb 2, 1999 | Feb 2, 1999 | Sonat Exploration Co. - Houston | Vaquillas Ranch A #1365 | 9,600 | 47937223 |
| 482398 | Feb 2, 1999 | Feb 2, 1999 | Dynamic Production, Inc. | Notzon Unit #1RE | 7,500 | 47936595 |
| 482394 | Feb 1, 1999 | Feb 1, 1999 | North Central Oil Corp. | Russell - Winch #13 | 10,106 | 47935954 |
| 482240 | Jan 28, 1999 | Jan 28, 1999 | Conoco Inc. | Vaquillas Ranch Co. Ltd. #55 | 9,900 | 47937220 |
| 482300 | Jan 27, 1999 | Jan 27, 1999 | North Central Oil Corp. | Hereford-T- #50 | 8,300 | 47937221 |
| 482299 | Jan 27, 1999 | Jan 27, 1999 | North Central Oil Corp. | Hereford -T- #51 | 7,900 | 47937222 |
| 482233 | Jan 26, 1999 | Jan 26, 1999 | Kerns O & G, Inc. | Petty Ranch #1018 | 5,300 | 47937219 |
| 482101 | Jan 25, 1999 | Jan 25, 1999 | Kerns O & G, Inc. | Petty Ranch #309 | 5,800 | 47937213 |
| 482220 | Jan 22, 1999 | Jan 22, 1999 | Conoco Inc. | Vaquillas Ranch #177 | 12,700 | 47937218 |
| 482219 | Jan 22, 1999 | Jan 22, 1999 | Conoco Inc. | Vaquillas Ranch L #176 | 9,680 | 47937217 |
| 482218 | Jan 22, 1999 | Jan 22, 1999 | Conoco Inc. | Carr #122 | 9,700 | 47937216 |
| 482216 | Jan 22, 1999 | Jan 22, 1999 | Conoco Inc. | Amando #4 | 12,900 | 47937215 |
| 482160 | Jan 21, 1999 | Jan 21, 1999 | Michael Petroleum Corporation | Hein, Luz A. Estate #12 | 12,000 | 47937214 |
| 482073 | Jan 15, 1999 | Jan 15, 1999 | High Island Oil Corporation | Palafox Exploration #2040 | 6,800 | 47937212 |
| 481724 | Jan 15, 1999 | Jan 15, 1999 | Lewis Petro Properties, Inc. | Gates "N" #1 | 6,000 | 47937201 |
| 482031 | Jan 14, 1999 | Jan 14, 1999 | Michael Petroleum Corporation | Rottersman #25 | 11,500 | 47937211 |
| 482030 | Jan 14, 1999 | Jan 14, 1999 | Michael Petroleum Corporation | Ramirez, M & M Gas Unit #2 | 8,045 | 47935854 |
| 481961 | Jan 11, 1999 | Jan 11, 1999 | Dynamic Production, Inc. | McNary-Ramsay #1 | 7,200 | 47931947 |
| 481961Amendment | Jan 11, 1999 | Jan 11, 1999 | Dynamic Production, Inc. | McNary-Ramsay #1 | 7,400 | 47931947 |
| 481948 | Jan 8, 1999 | Jan 8, 1999 | Chevron U. S. A. Inc. | Chevron - Carr, Edith #6 | 10,200 | 47937210 |
| 481920 | Jan 8, 1999 | Jan 8, 1999 | Kerns O & G, Inc. | Petty Ranch #6014 | 5,400 | 47937209 |
| 481870 | Jan 8, 1999 | Jan 8, 1999 | Conoco Inc. | Rottersman #3 | 10,700 | 47937207 |
| 481909 | Jan 6, 1999 | Jan 6, 1999 | Michael Petroleum Corporation | Rottersman #27 | 11,500 | 47937208 |
| 481849 | Dec 30, 1998 | Dec 30, 1998 | Enron Oil & Gas Company | De Los Santos Gas Unit #1 | 10,000 | 47937206 |
| 481835 | Dec 29, 1998 | Dec 29, 1998 | Enron Oil & Gas Company | Moglia #1 | 8,500 | 47937205 |
| 481830 | Dec 29, 1998 | Dec 29, 1998 | Conoco Inc. | Lundell #84 | 10,650 | 47937204 |
| 481829 | Dec 29, 1998 | Dec 29, 1998 | Conoco Inc. | Rottersman #4 | 10,600 | 47937203 |
| 481647 | Dec 29, 1998 | Dec 29, 1998 | Kerns O & G, Inc. | Petty Ranch #4012 | 5,500 | 47937198 |
| 481811 | Dec 28, 1998 | Dec 28, 1998 | Michael Petroleum Corporation | Barnes Est. #4 | 9,000 | 47937202 |
| 481707 | Dec 22, 1998 | Dec 22, 1998 | Conoco Inc. | Carr #121 | 9,580 | 47937200 |
| 481706 | Dec 22, 1998 | Dec 22, 1998 | Conoco Inc. | Lechenger #70 | 9,800 | 47937199 |
| 481682 | Dec 21, 1998 | Dec 21, 1998 | Columbus Energy Corp. | Hachar, D. D. #34 | 7,900 | 47937197 |
| 481640 | Dec 18, 1998 | Dec 18, 1998 | Samson Lone Star LP | Marshal #1 | 11,000 | 47937196 |
| 481639 | Dec 18, 1998 | Dec 18, 1998 | Conoco Inc. | McKendrick, W. H. #24 | 9,600 | 47937195 |
| 481639Amendment | Dec 18, 1998 | Dec 18, 1998 | Conoco Inc. | McKendrick, W. H. #24 | 9,600 | 47937195 |
| 481553 | Dec 15, 1998 | Dec 15, 1998 | Michael Petroleum Corporation | Rottersman #24 | 11,000 | 47937194 |
| 481478 | Dec 14, 1998 | Dec 14, 1998 | Conoco Inc. | Vaquillas Ranch A4 #173 | 12,900 | 47937193 |
| 481477 | Dec 14, 1998 | Dec 14, 1998 | Conoco Inc. | Vergara, Ignacio #4 | 11,050 | 47937192 |
| 481476 | Dec 14, 1998 | Dec 14, 1998 | Conoco Inc. | Vaquillas Ranch A #175 | 12,600 | 47937191 |
| 481475 | Dec 14, 1998 | Dec 14, 1998 | Conoco Inc. | Vaquillas Ranch #174 | 12,600 | 47937190 |
| 481459 | Dec 11, 1998 | Dec 11, 1998 | Cody Energy, Inc. | Benavides, Rosa V. "C" #7 | 10,200 | 47937189 |
| 481410 | Dec 10, 1998 | Dec 10, 1998 | Columbus Energy Corp. | B.M.T. #14 | 7,000 | 47937188 |
| 481360 | Dec 10, 1998 | Dec 10, 1998 | North Central Oil Corp. | Webb County School Board #2 | 9,200 | 47932837 |
| 481333 | Dec 7, 1998 | Dec 7, 1998 | Conoco Inc. | Vaquillas Ranch Co. Ltd. #54 | 9,200 | 47937187 |
| 481327 | Dec 7, 1998 | Dec 7, 1998 | Conoco Inc. | Carr #120 | 10,850 | 47937186 |
| 481325 | Dec 7, 1998 | Dec 7, 1998 | Conoco Inc. | 7B Cattle Company A #4 | 12,850 | 47937185 |
| 481324 | Dec 7, 1998 | Dec 7, 1998 | Conoco Inc. | B.M.T. #111 | 11,350 | 47937184 |
| 481323 | Dec 7, 1998 | Dec 7, 1998 | Conoco Inc. | Lundell "C" #5 | 10,050 | 47937183 |
| 481323Amendment | Dec 7, 1998 | Dec 7, 1998 | Conoco Inc. | Lundell "C" #5 | 10,050 | 47937183 |
| 481313 | Dec 7, 1998 | Dec 7, 1998 | Michael Petroleum Corporation | Ramirez, M. & M. Gas Unit #7 | 11,000 | 47937182 |
| 481175 | Dec 3, 1998 | Dec 3, 1998 | Fasken Oil and Ranch, Ltd. | Palafox Exploration Co. -20B- #1 | 6,000 | 47937181 |
| 481176 | Dec 1, 1998 | Dec 1, 1998 | Kerns O & G, Inc. | Petty Ranch #1127 | 5,600 | 47937180 |
| 481151 | Dec 1, 1998 | Dec 1, 1998 | Killam Oil Co., Ltd. | Volpe, M. B. 2011 #8 | 3,000 | 47937179 |
| 480970 | Nov 30, 1998 | Nov 30, 1998 | Conoco Inc. | McKendrick, W. H. #23 | 8,600 | 47937168 |
| 481127 | Nov 24, 1998 | Nov 24, 1998 | Conoco Inc. | B.M.T. #110 | 11,350 | 47937178 |
| 481126 | Nov 24, 1998 | Nov 24, 1998 | Conoco Inc. | B.M.T. #109 | 11,800 | 47937177 |
| 481019 | Nov 24, 1998 | Nov 24, 1998 | Conoco Inc. | B.M.T. #108 | 11,400 | 47937173 |
| 481018 | Nov 24, 1998 | Nov 24, 1998 | Conoco Inc. | Lechenger #62 | 10,425 | 47937175 |
| 481017 | Nov 24, 1998 | Nov 24, 1998 | Conoco Inc. | Lechenger #55 | 10,250 | 47937174 |
| 481082 | Nov 23, 1998 | Nov 23, 1998 | Conoco Inc. | B.M.T. #65 | 11,200 | 47936904 |
| 480971 | Nov 23, 1998 | Nov 23, 1998 | Conoco Inc. | Saldivar Estate #21 | 12,300 | 47937172 |
| 480969 | Nov 23, 1998 | Nov 23, 1998 | Conoco Inc. | I. Gaona GU #2 | 9,400 | 47937171 |
| 480968 | Nov 23, 1998 | Nov 23, 1998 | Conoco Inc. | Bruni Ranch #39 | 11,000 | 47937170 |