| 379008 | Oct 5, 1990 | Oct 5, 1990 | American Exploration Company | So. Lopez #2303 | 2,300 | 47935110 |
| 378939 | Oct 4, 1990 | Oct 4, 1990 | Enron Oil & Gas Company | Hirsch Estate 2104 #2 | 6,000 | 47933897 |
| 378906 | Oct 4, 1990 | Oct 4, 1990 | Killam Oil Company | "607" Garcia #1 | 10,200 | 47935107 |
| 378746 | Oct 3, 1990 | Oct 3, 1990 | Texaco TPC Inc. | Garner Ranch "1060" #4 | 8,000 | 47935104 |
| 378744 | Oct 3, 1990 | Oct 3, 1990 | Texaco TPC Inc. | Garner Ranch "1060" #3 | 8,000 | 47935105 |
| 378405 | Oct 3, 1990 | Oct 3, 1990 | Enron Oil & Gas Company | Hirsch Estate 1765 B #3 | 9,300 | 47935106 |
| 378607 | Oct 2, 1990 | Oct 2, 1990 | Conoco Inc. | Vaquillas Ranch A5 #40 | 9,000 | 47933731 |
| 378686 | Sep 28, 1990 | Sep 28, 1990 | Transamerican Natural Gas Corp. | Lundell #57 | 10,200 | 47935101 |
| 378665 | Sep 28, 1990 | Sep 28, 1990 | Hunter Petroleum Inc. | Benavides, R. V. #1 | 7,000 | 47935100 |
| 378665Amendment | Sep 28, 1990 | Sep 28, 1990 | Taos Oil Corporation. | Benavides, R. V. #1 | 7,000 | 47935100 |
| 378572 | Sep 27, 1990 | Sep 27, 1990 | Transamerican Natural Gas Corp. | Bruni Ranch #24 | 10,200 | 47935103 |
| 378513 | Sep 27, 1990 | Sep 27, 1990 | Conoco Inc. | Benavides, Rosa V "D" #38 | 9,700 | 47935102 |
| 378223 | Sep 24, 1990 | Sep 24, 1990 | Chevron U. S. A. Inc. | C-Bruni Mineral Trust #23 | 9,300 | 47935097 |
| 378222 | Sep 24, 1990 | Sep 24, 1990 | Chevron U. S. A. Inc. | Moreno, Isidro et Al #4 | 8,900 | 47935098 |
| 378221 | Sep 24, 1990 | Sep 24, 1990 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #35 | 9,100 | 47935099 |
| 378221Amendment | Sep 24, 1990 | Sep 24, 1990 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #35 | 9,100 | 47935099 |
| 378221Amendment | Sep 24, 1990 | Sep 24, 1990 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #35 | 8,600 | 47935099 |
| 378229 | Sep 20, 1990 | Sep 20, 1990 | Sanchez-O'Brien Oil & Gas Corp. | Link Ranch #5 | 7,600 | 47935096 |
| 378229Amendment | Sep 20, 1990 | Sep 20, 1990 | Sanchez-O'Brien Oil & Gas Corp. | Link Ranch #5 | 7,600 | 47935096 |
| 378166 | Sep 19, 1990 | Sep 19, 1990 | Pacific Operators, Inc. | Briscoe "E" #80 | 5,000 | 47935095 |
| 378074 | Sep 19, 1990 | Sep 19, 1990 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #34 | 8,600 | 47935093 |
| 378046 | Sep 19, 1990 | Sep 19, 1990 | Pacific Operators, Inc. | Briscoe "E" #92 | 5,000 | 47935094 |
| 378037 | Sep 19, 1990 | Sep 19, 1990 | Texas, L. Petroleum, Inc. | Armstrong Ranch #1 | 15,222 | 47934299 |
| 377821 | Sep 14, 1990 | Sep 14, 1990 | Transamerican Natural Gas Corp. | G. & F. Ramirez G.U. #2 | 9,500 | 47935092 |
| 377821Amendment | Sep 14, 1990 | Sep 14, 1990 | Transamerican Natural Gas Corp. | G. & F. Ramirez G.U. #2 | 9,500 | 47935092 |
| 377733 | Sep 14, 1990 | Sep 14, 1990 | Aikins-Owens | Bruni Townsite #S 1WD | 3,251 | 47935089 |
| 377689 | Sep 14, 1990 | Sep 14, 1990 | Conoco Inc. | Vaquillas Ranch - A1 #24 | 11,000 | 47933343 |
| 377717 | Sep 12, 1990 | Sep 12, 1990 | Kaiser-Francis Oil Company | Matrix Land Company #10 | 6,200 | 47935090 |
| 377811 | Sep 11, 1990 | Sep 11, 1990 | Reh Energy, Inc. | Vaquillas Ranch Co., Ltd. #2 | 2,000 | 47935091 |
| 377669 | Sep 10, 1990 | Sep 10, 1990 | Transamerican Natural Gas Corp. | Frost National Bank #39 | 8,500 | 47935088 |
| 377462 | Aug 31, 1990 | Aug 31, 1990 | Lobo Resources, Ltd. | Moglia, Alice et Al #1 | 6,000 | 47935087 |
| 377450 | Aug 31, 1990 | Aug 31, 1990 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #33 | 9,600 | 47935086 |
| 377450Amendment | Aug 31, 1990 | Aug 31, 1990 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #33 | 9,000 | 47935086 |
| 377362 | Aug 30, 1990 | Aug 30, 1990 | Enron Oil & Gas Company | Hubberd Estate A #6 | 9,650 | 47935085 |
| 377000 | Aug 29, 1990 | Aug 29, 1990 | Cox Oil & Gas, Inc. | Alley #8 | 10,660 | 47934142 |
| 377000Amendment | Aug 29, 1990 | Aug 29, 1990 | Cox Oil & Gas, Inc. | Alley #8 | 10,660 | 47934142 |
| 377066 | Aug 28, 1990 | Aug 28, 1990 | Enron Oil & Gas Company | Hirsch Estate 538 #3 | 9,550 | 47935084 |
| 377034 | Aug 28, 1990 | Aug 28, 1990 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #32 | 8,350 | 47935081 |
| 376398 | Aug 27, 1990 | Aug 27, 1990 | Lewis Petro Properties, Inc. | Long, Archie #2 | 7,400 | 47935075 |
| 377113 | Aug 24, 1990 | Aug 24, 1990 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L.M. #41 | 9,100 | 47935083 |
| 377105 | Aug 24, 1990 | Aug 24, 1990 | Michael Petr. & Hurd Ent., Ltd. | Briscoe Ranch, Inc. #1 | 10,000 | 47935082 |
| 377040 | Aug 23, 1990 | Aug 23, 1990 | Arco Oil & Gas Co. | Staggs, J. #1 | 12,000 | 47935080 |
| 376864 | Aug 23, 1990 | Aug 23, 1990 | Transamerican Natural Gas Corp. | Hereford #35 | 8,300 | 47935079 |
| 376647 | Aug 15, 1990 | Aug 15, 1990 | Pinon Corporation | Briscoe 1040 #1 | 5,325 | 47931965 |
| 376624 | Aug 15, 1990 | Aug 15, 1990 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #31 | 9,000 | 47935078 |
| 376567 | Aug 14, 1990 | Aug 14, 1990 | Enron Oil & Gas Company | Cactus Jack #1954 | 11,500 | 47935077 |
| 376567Amendment | Aug 14, 1990 | Aug 14, 1990 | Enron Oil & Gas Company | Cactus Jack #1 | 11,500 | 47935077 |
| 376567Amendment | Aug 14, 1990 | Aug 14, 1990 | Enron Oil & Gas Company | Garner, Tully C. #20 | 9,383 | 47935077 |
| 376428 | Aug 14, 1990 | Aug 14, 1990 | Columbus Energy Corp. | Hachar, D.D. #21 | 7,100 | 47935076 |
| 376428Amendment | Aug 14, 1990 | Aug 14, 1990 | Columbus Energy Corp. | Hachar, D.D. #21 | 6,525 | 47935076 |
| 376375 | Aug 8, 1990 | Aug 8, 1990 | Sanchez-O'Brien Oil & Gas Corp. | Barrera-Leyendecker G/U 2 #2 | 9,500 | 47935074 |
| 376220 | Aug 8, 1990 | Aug 8, 1990 | Conoco Inc. | Vaquillas Ranch a 2 #74 | 10,500 | 47935072 |
| 376091 | Aug 7, 1990 | Aug 7, 1990 | Killam Oil Company | Killam & Hurd Fee #1 | 8,000 | 47935073 |
| 375238 | Aug 7, 1990 | Aug 7, 1990 | Texaco Inc. | Bruni, A. M. Estate "B" #4 | 7,500 | 47935063 |
| 376222 | Aug 6, 1990 | Aug 6, 1990 | Conoco Inc. | Morgan #1 | 12,500 | 47935070 |
| 376222Amendment | Aug 6, 1990 | Aug 6, 1990 | Conoco Inc. | Morgan #1 | 12,500 | 47935070 |
| 376221 | Aug 6, 1990 | Aug 6, 1990 | Conoco Inc. | Vaquillas Ranch A1 #73 | 11,300 | 47935071 |
| 376128 | Jul 31, 1990 | Jul 31, 1990 | Michael Petroleum Corporation | McKendrick #7 | 10,500 | 47935069 |
| 375992 | Jul 31, 1990 | Jul 31, 1990 | Enron Oil & Gas Company | Hubberd Estate A #5 | 10,400 | 47935068 |
| 375833 | Jul 24, 1990 | Jul 24, 1990 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #29 | 7,800 | 47935067 |
| 375601 | Jul 16, 1990 | Jul 16, 1990 | Enron Oil & Gas Company | Hubberd Estate A #4 | 9,900 | 47935066 |
| 375506 | Jul 13, 1990 | Jul 13, 1990 | Transamerican Natural Gas Corp. | Hereford #34 | 8,200 | 47935065 |
| 375410 | Jul 13, 1990 | Jul 13, 1990 | Enron Oil & Gas Company | Hirsch Estate 2104 #1 | 7,500 | 47932244 |
| 374293 | Jul 13, 1990 | Jul 13, 1990 | Chevron U. S. A. Inc. | Bruni Mineral Trust "A" #24 | 11,050 | 47935055 |
| 375365 | Jul 10, 1990 | Jul 10, 1990 | Transamerican Natural Gas Corp. | Lundell #56 | 10,200 | 47935064 |
| 374617 | Jul 9, 1990 | Jul 9, 1990 | Lewis Petro Properties, Inc. | Garner Ranch #3 | 7,200 | 47935059 |
| 375047 | Jun 29, 1990 | Jun 29, 1990 | Transamerican Natural Gas Corp. | Leyendecker #2 | 8,000 | 47935062 |
| 375047Amendment | Jun 29, 1990 | Jun 29, 1990 | Transamerican Natural Gas Corp. | Leyendecker #2 | 8,500 | 47935062 |
| 374606 | Jun 22, 1990 | Jun 22, 1990 | Lewis Petro Properties, Inc. | Leyendecker-Kone #4 | 5,500 | 47935060 |
| 374606Amendment | Jun 22, 1990 | Jun 22, 1990 | Lewis Petro Properties, Inc. | Leyendecker-Kone #4 | 7,400 | 47935060 |
| 374681 | Jun 21, 1990 | Jun 21, 1990 | Lewis Petro Properties, Inc. | Leyendecker-Kone #6 | 7,400 | 47935061 |
| 374385 | Jun 19, 1990 | Jun 19, 1990 | Conoco Inc. | Vaquillas Ranch A1 #72 | 11,500 | 47935052 |
| 374385Amendment | Jun 19, 1990 | Jun 19, 1990 | Conoco Inc. | Vaquillas Ranch A-1 #72 | 11,500 | 47935052 |
| 374645 | Jun 18, 1990 | Jun 18, 1990 | Michael Petroleum Corporation | Martin, Sophie J. "B" #3 | 9,800 | 47935058 |
| 374573 | Jun 15, 1990 | Jun 15, 1990 | Southern Resource Company | Briscoe, Dolph #1 | 7,300 | 47935057 |
| 374573Amendment | Jun 15, 1990 | Jun 15, 1990 | Southern Resource Company | Briscoe, Dolph #1 | 7,300 | 47935057 |
| 374436 | Jun 14, 1990 | Jun 14, 1990 | Transamerican Natural Gas Corp. | Lechenger #12 | 9,800 | 47935054 |
| 374469 | Jun 13, 1990 | Jun 13, 1990 | Sanchez-O'Brien Oil & Gas Corp. | Leyendecker-Ramirez GU 1 #3 | 8,900 | 47935056 |
| 374469Amendment | Jun 13, 1990 | Jun 13, 1990 | Sanchez-O'Brien Oil & Gas Corp. | Leyendecker-Ramirez GU 1 #3 | 8,900 | 47935056 |
| 374388 | Jun 13, 1990 | Jun 13, 1990 | Conoco Inc. | Saldivar, R. T. #13 | 12,000 | 47935053 |
| 374387 | Jun 13, 1990 | Jun 13, 1990 | Conoco Inc. | Saldivar, R. T. #12 | 12,000 | 47935050 |
| 374386 | Jun 13, 1990 | Jun 13, 1990 | Conoco Inc. | Roseberry, D. L. #2 | 11,100 | 47935051 |
| 374386Amendment | Jun 13, 1990 | Jun 13, 1990 | Conoco Inc. | Roseberry, D. L. #2 | 12,100 | 47935051 |
| 374386Amendment | Jun 13, 1990 | Jun 13, 1990 | Conoco Inc. | Roseberry, D. L. #2 | 12,100 | 47935051 |
| 374339 | Jun 13, 1990 | Jun 13, 1990 | Flournoy Production Co. | Puig #2 | 10,000 | 47935048 |
| 374339Amendment | Jun 13, 1990 | Jun 13, 1990 | Flournoy Production Co. | Puig #2 | 10,500 | 47935048 |
| 374339Amendment | Jun 13, 1990 | Jun 13, 1990 | Kebo Oil & Gas, Inc. | Puig #2 | 10,500 | 47935048 |
| 374335 | Jun 12, 1990 | Jun 12, 1990 | TDC Engineering, Inc. | Benavides-State 664 #1 | 12,000 | 47935049 |
| 374259 | Jun 12, 1990 | Jun 12, 1990 | Reh Energy, Inc. | Vaquillas Ranch Co., Ltd. #1 | 3,000 | 47935045 |
| 374259Amendment | Jun 12, 1990 | Jun 12, 1990 | Reh Energy, Inc. | Vaquillas Ranch Co., Ltd. #1 | 3,000 | 47935045 |
| 374241 | Jun 12, 1990 | Jun 12, 1990 | Transamerican Natural Gas Corp. | Schwarz #14 | 8,300 | 47935046 |
| 374291 | Jun 11, 1990 | Jun 11, 1990 | Chevron U. S. A. Inc. | Bruni Mineral Trust "A" #23 | 10,850 | 47935047 |
| 374218 | Jun 7, 1990 | Jun 7, 1990 | Enron Oil & Gas Company | Hubberd Estate #4 | 10,000 | 47935044 |
| 374218Amendment | Jun 7, 1990 | Jun 7, 1990 | Enron Oil & Gas Company | Hubberd Estate B #1 | 10,000 | 47935044 |
| 374218Amendment | Jun 7, 1990 | Jun 7, 1990 | Enron Oil & Gas Company | Hubberd Estate B #1 | 11,500 | 47935044 |
| 374218Amendment | Jun 7, 1990 | Jun 7, 1990 | Enron Oil & Gas Company | Hubberd Estate B #1 | 11,500 | 47935044 |
| 374196 | Jun 7, 1990 | Jun 7, 1990 | Transamerican Natural Gas Corp. | Villareal "F" #2 | 12,300 | 47935043 |
| 374057 | Jun 6, 1990 | Jun 6, 1990 | Columbus Energy Corp. | Richter Unit #1 | 7,000 | 47935042 |
| 374057Amendment | Jun 6, 1990 | Jun 6, 1990 | Columbus Energy Corp. | Richter Unit #1 | 6,850 | 47935042 |
| 373924 | Jun 4, 1990 | Jun 4, 1990 | Buck, George | Garcia, E. #21 | 2,000 | 47935041 |