| 1990-06-12 | 374241 | 42-479-35046 | SCHWARZ #14 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 8,300 | |
| 1990-06-11 | 374291 | 42-479-35047 | BRUNI MINERAL TRUST "A" #23 | CHEVRON U. S. A. INC. | DRILL | 10,850 | |
| 1990-06-07 | 374218 | 42-479-35044 | HUBBERD ESTATE #4 | ENRON OIL & GAS COMPANY | DRILL | 10,000 | |
| 1990-06-07 | 374218 | 42-479-35044 | HUBBERD ESTATE B #1 | ENRON OIL & GAS COMPANY | DRILL | 10,000 | |
| 1990-06-07 | 374218 | 42-479-35044 | HUBBERD ESTATE B #1 | ENRON OIL & GAS COMPANY | DRILL | 11,500 | |
| 1990-06-07 | 374218 | 42-479-35044 | HUBBERD ESTATE B #1 | ENRON OIL & GAS COMPANY | DRILL | 11,500 | |
| 1990-06-07 | 374196 | 42-479-35043 | VILLAREAL "F" #2 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 12,300 | |
| 1990-06-06 | 374057 | 42-479-35042 | RICHTER UNIT #1 | COLUMBUS ENERGY CORP. | DRILL | 7,000 | |
| 1990-06-06 | 374057 | 42-479-35042 | RICHTER UNIT #1 | COLUMBUS ENERGY CORP. | DRILL | 6,850 | |
| 1990-06-04 | 373924 | 42-479-35041 | GARCIA, E. #21 | BUCK, GEORGE | DRILL | 2,000 | |
| 1990-05-31 | 373486 | 42-479-32953 | OLMITOS RANCH, INC. #4 | LEWIS PETRO PROPERTIES, INC. | RECOMP | 7,524 | |
| 1990-05-31 | 373486 | 42-479-32953 | OLMITOS RANCH, INC. #4 | LEWIS PETRO PROPERTIES, INC. | RECOMP | 7,524 | |
| 1990-05-25 | 373853 | 42-479-35040 | HUBBERD ESTATE "C" #1 | SANCHEZ-O'BRIEN OIL & GAS CORP. | DRILL | 10,400 | |
| 1990-05-25 | 373719 | 42-479-35039 | LEAL #1 | TRI-C RESOURCES, INC. | DRILL | 6,000 | |
| 1990-05-22 | 371532 | 42-479-34794 | GARNER RANCH #1 | LEWIS PETRO PROPERTIES, INC. | RECOMP | 7,100 | |
| 1990-05-21 | 373661 | 42-479-35038 | LUNA-ADAMI #1 | PETROLEUM MANAGEMENT, INC. | DRILL | 6,100 | |
| 1990-05-18 | 373541 | 42-479-35037 | FROST NATIONAL BANK #38 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 8,500 | |
| 1990-05-18 | 373105 | 42-479-35035 | GATES RANCH #4996A | LANDRESS, ROGER D. | DRILL | 8,050 | Y |
| 1990-05-18 | 373105 | 42-479-35035 | GATES RANCH #4996A | LANDRESS, ROGER D. | DRILL | 8,050 | Y |
| 1990-05-18 | 373105 | 42-479-35035 | GATES RANCH #4996A | LANDRESS, ROGER D. | DRILL | 8,300 | Y |
| 1990-05-16 | 373438 | 42-479-32524 | MARTIN, S.J. GU #3A | SANCHEZ-O'BRIEN OIL & GAS CORP. | RECOMP | 10,040 | |
| 1990-05-14 | 373153 | 42-479-35036 | B.M.T. #29 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 11,200 | |
| 1990-05-09 | 373081 | 42-479-35034 | MARTINEZ, D. S. #2 | COLUMBUS ENERGY CORP. | DRILL | 8,500 | |
| 1990-05-08 | 372977 | 42-479-35032 | HUBBERD ESTATE #3 | ENRON OIL & GAS COMPANY | DRILL | 10,185 | |
| 1990-05-07 | 373020 | 42-479-35033 | BRUNI RANCH #23 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 9,400 | |
| 1990-04-30 | 372808 | 42-479-35031 | HUBBERD ESTATE #2 | ENRON OIL & GAS COMPANY | DRILL | 10,250 | |
| 1990-04-27 | 372554 | 42-479-35030 | BONEBRAKE #6 | FOREST OIL CORP. | DRILL | 11,000 | |
| 1990-04-20 | 372325 | 42-479-35028 | SALDIVAR, R. T. #11 | CONOCO INC. | DRILL | 11,900 | |
| 1990-04-19 | 372324 | 42-479-35029 | VAQUILLAS RANCH A1 #71 | CONOCO INC. | DRILL | 11,300 | |
| 1990-04-19 | 372050 | 42-479-33632 | LINCOLN, W. P. 2345 #1 | HYDROCARBON HORIZONS, INC. | RECOMP | 6,250 | |
| 1990-04-18 | 372188 | 42-479-35027 | SOUTH CALLAGHAN RANCH #20 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 8,000 | |
| 1990-04-17 | 372163 | 42-479-35026 | COG MALAKOFF-PETERSON A #3 | COLUMBUS ENERGY CORP. | DRILL | 7,000 | |
| 1990-04-17 | 372163 | 42-479-35026 | COG MALAKOFF-PETERSON A #3 | COLUMBUS ENERGY CORP. | DRILL | 7,000 | |
| 1990-04-17 | 372163 | 42-479-35026 | COG MALAKOFF-PETERSON "A" #3 | COLUMBUS ENERGY CORP. | DRILL | 6,865 | |
| 1990-04-13 | 372166 | 42-479-35025 | HUBBERD ESTATE #1 | ENRON OIL & GAS COMPANY | DRILL | 10,100 | |
| 1990-04-13 | 372166 | 42-479-35025 | HUBBERD ESTATE #1 | ENRON OIL & GAS COMPANY | DRILL | 10,100 | |
| 1990-04-12 | 372141 | 42-479-35024 | MCKENDRICK #6 | MICHAEL PETROLEUM CORPORATION | DRILL | 9,500 | |
| 1990-04-12 | 372022 | 42-479-35023 | CARR #51 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 9,600 | |
| 1990-04-09 | 371785 | 42-479-35020 | BRUNI MINERAL TRUST #B 15 | CHEVRON U. S. A. INC. | DRILL | 10,500 | |
| 1990-04-06 | 371936 | 42-479-35022 | HEREFORD, L.M. #40 | SANCHEZ-O'BRIEN OIL & GAS CORP. | DRILL | 9,000 | |
| 1990-04-06 | 371936 | 42-479-35022 | HEREFORD, L.M. #40 | SANCHEZ-O'BRIEN OIL & GAS CORP. | RECOMP | 8,200 | |
| 1990-04-02 | 371628 | 42-479-35019 | RUBEN GONZALEZ GAS UNIT #5A | COX OIL & GAS, INC. | DRILL | 14,500 | |
| 1990-03-30 | 371605 | 42-479-35018 | VAQUILLAS RANCH CO., LTD #37 | FOREST OIL CORP. | DRILL | 11,000 | |
| 1990-03-28 | 371499 | 42-479-34299 | ARMSTRONG RANCH #1 | COX OIL & GAS, INC. | RECOMP | 15,222 | |
| 1990-03-28 | 371499 | 42-479-34299 | ARMSTRONG RANCH #1 | COX OIL & GAS, INC. | RECOMP | 15,222 | |
| 1990-03-22 | 371311 | 42-479-35017 | LEYENDECKER #4 | SANCHEZ-O'BRIEN OIL & GAS CORP. | DRILL | 9,200 | |
| 1990-03-22 | 371180 | 42-479-34583 | VAQUILLAS RANCH A-2 #60 | CONOCO INC. | RECOMP | 9,695 | |
| 1990-03-22 | 371096 | 42-479-33790 | MCKENDRICK, M.L.E.I. #3 | CHEVRON U. S. A. INC. | RECOMP | 9,800 | |
| 1990-03-21 | 371157 | 42-479-35016 | BENAVIDES, ROSA V. "A" #37 | CONOCO INC. | DRILL | 9,500 | |
| 1990-03-21 | 371157 | 42-479-35016 | BENAVIDES, ROSA V.-B1 #37 | CONOCO INC. | DRILL | 9,500 | |