| 1991-11-12 | 393833 | 42-479-35343 | ALEXANDER, M. M. #3 | MICHAEL PETROLEUM CORPORATION | DRILL | 8,000 | |
| 1991-11-08 | 393681 | 42-479-30175 | BENAVIDES, BRENNAN #54 | BRIDGE OIL COMPANY, L. P. | RECOMP | 4,000 | |
| 1991-11-08 | 393669 | 42-479-35340 | HACHAR, D.D. #22 | COLUMBUS ENERGY CORP. | DRILL | 7,200 | |
| 1991-11-08 | 393662 | 42-479-35339 | MARIA LAFON UNIT #1 | COLUMBUS ENERGY CORP. | DRILL | 7,000 | |
| 1991-11-07 | 393767 | 42-479-35342 | SOUTH CALLAGHAN RANCH #54 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 8,400 | |
| 1991-11-06 | 393692 | 42-479-35341 | SOUTH CALLAGHAN RANCH #55 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,500 | |
| 1991-11-06 | 393692 | 42-479-35341 | SOUTH CALLAGHAN RANCH #55 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,500 | |
| 1991-11-05 | 393649 | 42-479-35338 | WRIGHT, L. A. #10 | TDC ENGINEERING, INC. | DRILL | 7,000 | |
| 1991-11-05 | 393648 | 42-479-35337 | WRIGHT, L. A. #9 | TDC ENGINEERING, INC. | DRILL | 7,000 | |
| 1991-11-05 | 393647 | 42-479-35336 | WRIGHT, L. A. #8 | TDC ENGINEERING, INC. | DRILL | 7,000 | |
| 1991-11-04 | 393588 | 42-479-35334 | VAQUILLAS RANCH 2059 #1 | ENRON OIL & GAS COMPANY | DRILL | 10,300 | |
| 1991-11-04 | 393588 | 42-479-35334 | VAQUILLAS RANCH 2059 #1 | ENRON OIL & GAS COMPANY | DRILL | 10,300 | |
| 1991-11-04 | 393587 | 42-479-35335 | HIRSCH ESTATE 2071 #4 | ENRON OIL & GAS COMPANY | DRILL | 9,500 | |
| 1991-11-01 | 393493 | 42-479-35332 | SOUTH CALLAGHAN RANCH #53 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,600 | |
| 1991-11-01 | 393491 | 42-479-35333 | SOUTH CALLAGHAN RANCH #52 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 8,500 | |
| 1991-11-01 | 391473 | 42-479-33837 | GATES RANCH B #1995 | KERNS O & G, INC. | RECOMP | 6,250 | |
| 1991-10-31 | 393310 | 42-479-35331 | CAVAZOS, RUBEN #1 | BAHIA OIL & GAS, INC. | DRILL | 1,050 | |
| 1991-10-30 | 391474 | 42-479-32066 | GATES RANCH #1472 | KERNS O & G, INC. | RECOMP | 6,000 | |
| 1991-10-29 | 393425 | 42-479-35330 | EL GATO "A" #1 | MICHAEL PETR. & HURD ENT., LTD. | DRILL | 8,500 | |
| 1991-10-25 | 393126 | 42-479-35329 | SOUTH CALLAGHAN RANCH #51 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 10,000 | |
| 1991-10-25 | 393126 | 42-479-35329 | SOUTH CALLAGHAN RANCH #51 | MOBIL PRODUCING TX. & N.M. INC. | FLD-XFR | 9,100 | |
| 1991-10-24 | 392920 | 42-479-35319 | MARTINEZ, D. #9 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 8,700 | |
| 1991-10-21 | 393106 | 42-479-35327 | MARTIN, J.C. III #10 | MICHAEL PETROLEUM CORPORATION | DRILL | 10,000 | |
| 1991-10-21 | 393093 | 42-479-35326 | JACAMAN "B" #1 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 9,200 | |
| 1991-10-21 | 393092 | 42-479-35325 | B.M.T #32 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 11,200 | |
| 1991-10-18 | 393007 | 42-479-35324 | G.B.G.L. & C. CO. LTD. #3 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,500 | |
| 1991-10-17 | 393003 | 42-479-35323 | ROSCHER-HIRSCH G. U. #5 | ENRON OIL & GAS COMPANY | DRILL | 9,500 | |
| 1991-10-16 | 392968 | 42-479-35322 | THE DINN MINERAL TRUST #3A | LOBO RESOURCES, LTD. | DRILL | 4,500 | |
| 1991-10-16 | 392968 | 42-479-35322 | THE DINN MINERAL TRUST #3A | LOBO RESOURCES, LTD. | DRILL | 4,500 | |
| 1991-10-16 | 392966 | 42-479-35321 | G.B.G.L. & C. CO. LTD #2 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,650 | |
| 1991-10-16 | 392955 | 42-479-35320 | CARR "B" #2 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 9,400 | |
| 1991-10-14 | 392875 | 42-479-35318 | VAQUILLAS RANCH 136 A #3 | ENRON OIL & GAS COMPANY | DRILL | 10,100 | |
| 1991-10-14 | 392873 | 42-479-35317 | WRIGHT, L. A. #7 | TDC ENGINEERING, INC. | DRILL | 7,000 | |
| 1991-10-08 | 392656 | 42-479-35316 | EL GATO "A" #2 | MICHAEL PETR. & HURD ENT., LTD. | DRILL | 8,500 | |
| 1991-10-04 | 392427 | 42-479-35314 | FROST NATIONAL BANK #43 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 8,500 | |
| 1991-10-03 | 392476 | 42-479-35315 | SOUTH CALLAGHAN RANCH #45 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 8,500 | |
| 1991-09-27 | 392158 | 42-479-35312 | VAQUILLAS RANCH A 1 #90 | CONOCO INC. | DRILL | 11,800 | |
| 1991-09-25 | 392230 | 42-479-35313 | SOUTH CALLAGHAN RANCH #50 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 8,350 | |
| 1991-09-23 | 392029 | 42-479-35311 | TRAYLOR RANCH #1 | M & R EXPLORATION COMPANY | DRILL | 7,300 | |
| 1991-09-20 | 391889 | 42-479-35308 | VAQUILLAS RANCH A #89 | CONOCO INC. | DRILL | 11,900 | |
| 1991-09-18 | 395858 | 42-479-34428 | GATES RANCH B #5 | KERNS O & G, INC. | RECOMP | 6,000 | |
| 1991-09-18 | 392041 | 42-479-35310 | HUBBERD ESTATE A #7 | ENRON OIL & GAS COMPANY | DRILL | 10,200 | |
| 1991-09-18 | 392041 | 42-479-35310 | HUBBERD ESTATE A #7 | ENRON OIL & GAS COMPANY | FLD-XFR | 10,200 | |
| 1991-09-18 | 392034 | 42-479-35309 | BRUNI RANCH #26 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,000 | |
| 1991-09-17 | 391800 | 42-479-35306 | SALINAS, JUAN #1 | HAWN BROTHERS COMPANY | DRILL | 5,300 | |
| 1991-09-16 | 391957 | 42-479-34819 | THE DINN MINERAL TRUSTS #1A | LOBO RESOURCES, LTD. | RECOMP | 4,500 | |
| 1991-09-16 | 391912 | 42-479-35307 | CARR #44 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 9,700 | |
| 1991-09-12 | 391830 | 42-479-35305 | SOUTH CALLAGHAN RANCH #48 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,000 | |
| 1991-09-12 | 391830 | 42-479-35305 | SOUTH CALLAGHAN RANCH #48 | MOBIL PRODUCING TX. & N.M. INC. | FLD-XFR | 9,000 | |
| 1991-09-12 | 391183 | 42-479-33278 | PETTY, O.S. #3035C | KERNS O & G, INC. | OTHER | 6,250 | |