| 472554Amendment | Jan 27, 1998 | Jan 27, 1998 | Conoco Inc. | Welhausen, J. R. #4 | 9,800 | 47936863 |
| 472577 | Jan 23, 1998 | Jan 23, 1998 | Conoco Inc. | Carr #117 | 9,500 | 47936862 |
| 472577Amendment | Jan 23, 1998 | Jan 23, 1998 | Conoco Inc. | Carr #117 | 9,500 | 47936862 |
| 472577Amendment | Jan 23, 1998 | Jan 23, 1998 | Conoco Inc. | Carr #117 | 9,500 | 47936862 |
| 472525 | Jan 22, 1998 | Jan 22, 1998 | Enron Oil & Gas Company | Mayers, Berta #1 | 10,700 | 47936861 |
| 472355 | Jan 20, 1998 | Jan 20, 1998 | Kenne Exploration, Inc. | Aviator "B" #1 | 1,800 | 47936859 |
| 472323 | Jan 20, 1998 | Jan 20, 1998 | Lewis Petro Properties, Inc. | Palafox-2182-19 F #18 | 6,000 | 47936858 |
| 472149 | Jan 20, 1998 | Jan 20, 1998 | Conoco Inc. | Russell-Winch #19 | 10,900 | 47936853 |
| 472149Amendment | Jan 20, 1998 | Jan 20, 1998 | Conoco Inc. | Russell-Winch #19 | 10,900 | 47936853 |
| 472162 | Jan 16, 1998 | Jan 16, 1998 | 359 Saltwater Disposal Sys. Inc. | E. G. Ranch, Ltd. #1R | 4,400 | 47936854 |
| 472162Amendment | Jan 16, 1998 | Jan 16, 1998 | 359 Saltwater Disposal Sys. Inc. | E. G. Ranch, Ltd. #1R | 4,400 | 47936854 |
| 472281 | Jan 15, 1998 | Jan 15, 1998 | Petro-Hunt Corporation | Bruni, A. M. #18 | 9,700 | 47936857 |
| 472234 | Jan 15, 1998 | Jan 15, 1998 | Chevron U. S. A. Inc. | Winch, L. #1 | 11,000 | 47936856 |
| 472209 | Jan 14, 1998 | Jan 14, 1998 | Conoco Inc. | Vaquillas Ranch L #152 | 10,200 | 47936855 |
| 472209Amendment | Jan 14, 1998 | Jan 14, 1998 | Conoco Inc. | Vaquillas Ranch L #152 | 10,200 | 47936855 |
| 472091 | Jan 12, 1998 | Jan 12, 1998 | Conoco Inc. | BMT #60 | 11,600 | 47936852 |
| 472090 | Jan 12, 1998 | Jan 12, 1998 | Conoco Inc. | Russell-Winch #18 | 9,900 | 47936851 |
| 471890 | Jan 7, 1998 | Jan 7, 1998 | Conoco Inc. | Hirsch Estate 2071 #7 | 9,400 | 47936849 |
| 471889 | Jan 7, 1998 | Jan 7, 1998 | Conoco Inc. | Benavides, Rosa V. F #68 | 9,383 | 47936848 |
| 471878 | Jan 6, 1998 | Jan 6, 1998 | Lewis Petro Properties, Inc. | Jones 1142 #10 | 7,600 | 47936847 |
| 471788 | Jan 6, 1998 | Jan 6, 1998 | Killam Oil Co., Ltd. | Killam & Hurd Fee-1614 #2 | 10,100 | 47936846 |
| 471776 | Dec 31, 1997 | Dec 31, 1997 | Conoco Inc. | Lechenger #35 | 9,200 | 47936845 |
| 471776Amendment | Dec 31, 1997 | Dec 31, 1997 | Conoco Inc. | Lechenger #35 | 9,200 | 47936845 |
| 471775 | Dec 31, 1997 | Dec 31, 1997 | Conoco Inc. | Lechenger #36 | 9,850 | 47936844 |
| 471688 | Dec 29, 1997 | Dec 29, 1997 | Transtexas Gas Corporation | Rosario Cattle Co. #2 | 16,000 | 47936843 |
| 471638 | Dec 29, 1997 | Dec 29, 1997 | Chevron U. S. A. Inc. | Leyendecker et Al #4 | 10,000 | 47936842 |
| 471407 | Dec 29, 1997 | Dec 29, 1997 | Columbus Energy Corp. | Hachar-Akin Gas Unit #4 | 7,400 | 47936837 |
| 471604 | Dec 23, 1997 | Dec 23, 1997 | Transtexas Gas Corporation | Benavides, Rosa V. "C" #3 | 16,000 | 47936840 |
| 471603 | Dec 23, 1997 | Dec 23, 1997 | Transtexas Gas Corporation | Laurel, A. #3 | 18,000 | 47936841 |
| 471603Amendment | Dec 23, 1997 | Dec 23, 1997 | Transtexas Gas Corporation | Laurel, A. #3 | 18,000 | 47936841 |
| 471539 | Dec 22, 1997 | Dec 22, 1997 | Enron Oil & Gas Company | Flores, Daniel 762 #6 | 10,500 | 47936839 |
| 471520 | Dec 22, 1997 | Dec 22, 1997 | Killam Oil Co., Ltd. | Killam & Hurd Fee 1862 #2 | 9,500 | 47936838 |
| 471141 | Dec 19, 1997 | Dec 19, 1997 | Vaquillas Operating, Inc. | Vaquillas Ranch #2641 | 5,000 | 47936832 |
| 471424 | Dec 18, 1997 | Dec 18, 1997 | Conoco Inc. | B.M.T. #58 | 11,600 | 47936836 |
| 471422 | Dec 18, 1997 | Dec 18, 1997 | Conoco Inc. | B.M.T. #59 | 12,100 | 47936835 |
| 471358 | Dec 17, 1997 | Dec 17, 1997 | Sonat Exploration Co. - Houston | Martin, S J A #2 | 9,600 | 47936834 |
| 471358Amendment | Dec 17, 1997 | Dec 17, 1997 | Sonat Exploration Co. - Houston | Martin, S J A #2 | 9,600 | 47936834 |
| 471224 | Dec 15, 1997 | Dec 15, 1997 | Conoco Inc. | Bruni Ranch #37 | 11,000 | 47936833 |
| 471191 | Dec 12, 1997 | Dec 12, 1997 | Conoco Inc. | Frost National Bank #55 | 12,100 | 47936831 |
| 471191Amendment | Dec 12, 1997 | Dec 12, 1997 | Conoco Inc. | Frost National Bank #55 | 12,100 | 47936831 |
| 471191Amendment | Dec 12, 1997 | Dec 12, 1997 | Conoco Inc. | Frost National Bank #55 | 12,100 | 47936831 |
| 470962 | Dec 9, 1997 | Dec 9, 1997 | Killam Oil Co., Ltd. | Bruni, A. M. Estates #6 | 9,500 | 47936830 |
| 470987 | Dec 8, 1997 | Dec 8, 1997 | Lewis Petro Properties, Inc. | Garner Ranch "1057" #4 | 7,500 | 47936829 |
| 470974 | Dec 8, 1997 | Dec 8, 1997 | Vintage Petroleum, Inc. | De la Garza Mineral Trust A #4 | 9,000 | 47935607 |
| 470888 | Dec 5, 1997 | Dec 5, 1997 | Transtexas Gas Corporation | J. E. Neal Gas Unit #1 | 9,000 | 47936828 |
| 470364 | Dec 5, 1997 | Dec 5, 1997 | Conoco Inc. | Lechenger #31 | 11,300 | 47936821 |
| 470364Amendment | Dec 5, 1997 | Dec 5, 1997 | Conoco Inc. | Lechenger #31 | 11,300 | 47936821 |
| 470363 | Dec 5, 1997 | Dec 5, 1997 | Conoco Inc. | Lechenger #30 | 9,400 | 47936820 |
| 470363Amendment | Dec 5, 1997 | Dec 5, 1997 | Conoco Inc. | Lechenger #30 | 9,400 | 47936820 |
| 470363Amendment | Dec 5, 1997 | Dec 5, 1997 | Conoco Inc. | Lechenger #30 | 9,400 | 47936820 |
| 470490 | Dec 3, 1997 | Dec 3, 1997 | Columbus Energy Corp. | Clark, N. H. #14 | 7,700 | 47936825 |
| 470365 | Dec 2, 1997 | Dec 2, 1997 | Conoco Inc. | B. M. T. #57 | 12,000 | 47936822 |
| 470362 | Dec 2, 1997 | Dec 2, 1997 | Conoco Inc. | Lechenger #34 | 9,100 | 47936819 |
| 470623 | Nov 26, 1997 | Nov 26, 1997 | Lewis Petro Properties, Inc. | Laurel, F. D. 1390 #9 | 6,600 | 47936827 |
| 470596 | Nov 26, 1997 | Nov 26, 1997 | Transtexas Gas Corporation | A. G. Long Gas Unit #2 | 9,000 | 47936826 |
| 470347 | Nov 25, 1997 | Nov 25, 1997 | Conoco Inc. | Hubberd, William A #25 | 8,950 | 47936818 |
| 470473 | Nov 24, 1997 | Nov 24, 1997 | Enron Oil & Gas Company | Rottersmann 250 #5 | 10,600 | 47936824 |
| 470473Amendment | Nov 24, 1997 | Nov 24, 1997 | Enron Oil & Gas Company | Rottersmann 250 #5 | 10,600 | 47936824 |
| 470466 | Nov 24, 1997 | Nov 24, 1997 | Michael Petroleum Corporation | Rottersman #22 | 11,000 | 47936823 |
| 470055 | Nov 18, 1997 | Nov 18, 1997 | Killam Oil Co., Ltd. | K & H Fee "1647" #2 | 9,000 | 47934629 |
| 470058 | Nov 17, 1997 | Nov 17, 1997 | Conoco Inc. | Russell-Winch #17 | 9,500 | 47936814 |
| 470123 | Nov 14, 1997 | Nov 14, 1997 | Enron Oil & Gas Company | Flores, Daniel 546 #7 | 11,500 | 47936817 |
| 470114 | Nov 14, 1997 | Nov 14, 1997 | Conoco Inc. | Lechenger #33 | 9,100 | 47936816 |
| 470073 | Nov 13, 1997 | Nov 13, 1997 | Cobra Operating Company | Gonzales #2 | 8,900 | 47936815 |
| 469829 | Nov 13, 1997 | Nov 13, 1997 | Conoco Inc. | Rancho Viejo & Anb Cattle Co. #3 | 10,900 | 47936811 |
| 469829Amendment | Nov 13, 1997 | Nov 13, 1997 | Conoco Inc. | Rancho Viejo & Anb Cattle Co. St #3 | 10,900 | 47936811 |
| 470017 | Nov 12, 1997 | Nov 12, 1997 | Vintage Petroleum, Inc. | De la Garza Mineral Trust #1 | 8,000 | 47935570 |
| 470015 | Nov 12, 1997 | Nov 12, 1997 | Conoco Inc. | Hubberd T #5 | 8,900 | 47936813 |
| 470014 | Nov 12, 1997 | Nov 12, 1997 | Conoco Inc. | Alexander, Charles #19 | 9,600 | 47936812 |
| 470014Amendment | Nov 12, 1997 | Nov 12, 1997 | Conoco Inc. | Alexander, Charles #19 | 9,600 | 47936812 |
| 469830 | Nov 12, 1997 | Nov 12, 1997 | Conoco Inc. | Vaquillas Ranch A4 #151 | 13,100 | 47936809 |
| 469773 | Nov 12, 1997 | Nov 12, 1997 | Kerns O & G, Inc. | Petty, O. S. #4020 | 5,562 | 47933174 |
| 469650 | Nov 12, 1997 | Nov 12, 1997 | Kerns O & G, Inc. | Gates Ranch #1035 | 5,837 | 47933170 |
| 469933 | Nov 10, 1997 | Nov 10, 1997 | Conoco Inc. | Roscher 518 #5 | 9,100 | 47936810 |
| 469785 | Nov 7, 1997 | Nov 7, 1997 | Conoco Inc. | Hirsch State 2072 #4 | 9,300 | 47936808 |
| 469632 | Nov 7, 1997 | Nov 7, 1997 | Kerns O & G, Inc. | Gates Ranch B 1996 #2 | 6,007 | 47934115 |
| 469514 | Nov 7, 1997 | Nov 7, 1997 | Kerns O & G, Inc. | Petty, O. S. #3019 | 5,600 | 47931898 |
| 469768 | Nov 6, 1997 | Nov 6, 1997 | Enron Oil & Gas Company | Cigarroa #1 | 9,200 | 47936807 |
| 469727 | Nov 6, 1997 | Nov 6, 1997 | Mobil Producing TX. & N.M. Inc. | McElroy, W. N. #1 | 10,426 | 47932627 |
| 469719 | Nov 5, 1997 | Nov 5, 1997 | Lewis Petro Properties, Inc. | Rettig #5B | 7,500 | 47936806 |
| 469704 | Nov 5, 1997 | Nov 5, 1997 | Conoco Inc. | Roscher Hirsch G. U. #6 | 8,400 | 47936805 |
| 469645 | Nov 5, 1997 | Nov 5, 1997 | Killam Oil Co., Ltd. | Martin, J. C. III TR 9 #6 | 11,500 | 47936802 |
| 469645Amendment | Nov 5, 1997 | Nov 5, 1997 | Killam Oil Co., Ltd. | J. C. Martin III a Gas Unit #6 | 11,500 | 47936802 |
| 469644 | Nov 5, 1997 | Nov 5, 1997 | Killam Oil Co., Ltd. | Martin, J. C. 111 TR #7 | 11,500 | 47936803 |
| 469642 | Nov 5, 1997 | Nov 5, 1997 | Killam Oil Co., Ltd. | K. H. B. "70" #3 | 12,250 | 47936804 |
| 469533 | Oct 31, 1997 | Oct 31, 1997 | Conoco Inc. | Dix Ranch D-99 #6 | 8,600 | 47936801 |
| 469368 | Oct 29, 1997 | Oct 29, 1997 | Kerns O & G, Inc. | Petty, O. S. #2019 | 5,350 | 47931928 |
| 469383 | Oct 28, 1997 | Oct 28, 1997 | Lewis Petro Properties, Inc. | Jones 1900 D #8 | 7,500 | 47936800 |
| 469373 | Oct 28, 1997 | Oct 28, 1997 | Tesoro E&P Company, L.P. | Gonzalez, R. #8 | 12,500 | 47936799 |
| 469315 | Oct 28, 1997 | Oct 28, 1997 | Enserch Exploration, Inc | Alley #5 | 11,000 | 47934009 |
| 469275 | Oct 27, 1997 | Oct 27, 1997 | Four Star Oil and Gas Company | El Gato #9 | 8,936 | 47933392 |
| 469268 | Oct 24, 1997 | Oct 24, 1997 | Sonat Exploration Co. - Houston | Martin, S. J. A #1 | 9,600 | 47936798 |
| 469268Amendment | Oct 24, 1997 | Oct 24, 1997 | Sonat Exploration Co. - Houston | Martin, S. J. A #1 | 9,600 | 47936798 |
| 469267 | Oct 24, 1997 | Oct 24, 1997 | Sonat Exploration Co. - Houston | Malakoff-Peterson #6 | 7,000 | 47936795 |
| 469243 | Oct 24, 1997 | Oct 24, 1997 | Transtexas Gas Corporation | Benavides, Rosa V. "C" #2 | 16,000 | 47936797 |
| 469205 | Oct 23, 1997 | Oct 23, 1997 | Sonat Exploration Co. - Houston | Martin, S J #1 | 10,300 | 47936796 |
| 469205Amendment | Oct 23, 1997 | Oct 23, 1997 | Sonat Exploration Co. - Houston | Martin, S J #1 | 10,300 | 47936796 |
| 469199 | Oct 23, 1997 | Oct 23, 1997 | Sonat Exploration Co. - Houston | Martin, S J #2 | 9,000 | 47936794 |
| 469094 | Oct 22, 1997 | Oct 22, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #164 | 10,000 | 47936793 |
| 469093 | Oct 22, 1997 | Oct 22, 1997 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #163 | 10,000 | 47936792 |