| 1988-08-17 | 350213 | 42-479-34731 | SOUTH CALLAGHAN RANCH #20 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 8,000 | |
| 1988-08-17 | 350208 | 42-479-34730 | ROTTERSMAN #13 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,900 | |
| 1988-08-16 | 350220 | 42-479-34732 | LEYENDECKER #1 | SANCHEZ-O'BRIEN OIL & GAS CORP. | DRILL | 10,000 | |
| 1988-08-16 | 350169 | 42-479-34729 | SOUTH CALLAGHAN RANCH #11 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,300 | |
| 1988-08-16 | 350098 | 42-479-34728 | SOUTH CALLAGHAN RANCH #18 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 8,300 | |
| 1988-08-16 | 350098 | 42-479-34728 | SOUTH CALLAGHAN RANCH #18 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 8,300 | |
| 1988-08-11 | 349987 | 42-479-34727 | HEREFORD #24 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 8,500 | |
| 1988-08-10 | 349696 | 42-479-34724 | HEREFORD #25 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 8,500 | |
| 1988-08-10 | 346144 | 42-479-34682 | NUNLEY-TRAYLOR #1 | REGO DEVELOPMENT COMPANY, INC. | DRILL | 7,400 | |
| 1988-08-08 | 349532 | 42-479-32298 | RANCHO BLANCO #1 | ZACHRY, H. B. COMPANY | RENTR | 8,000 | |
| 1988-08-05 | 349832 | 42-479-34726 | THE DINN MINERAL TRUSTS #2 | LOBO RESOURCES, LTD. | DRILL | 12,000 | |
| 1988-08-04 | 349695 | 42-479-34725 | HEREFORD #28 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 8,000 | |
| 1988-08-01 | 349490 | 42-479-34723 | WITHERS, G.B. #1 | BUFFALO PETROLEUM CORP. | DRILL | 2,000 | |
| 1988-07-26 | 349269 | 42-479-34722 | FROST NATIONAL BANK #32 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 8,500 | |
| 1988-07-25 | 349256 | 42-479-34721 | SOUTH CALLAGHAN RANCH #15 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,700 | |
| 1988-07-22 | 349111 | 42-479-34719 | BENAVIDES, C. A. #2 | SAGEX, INC. | DRILL | 8,300 | |
| 1988-07-21 | 349187 | 42-479-34720 | MARTIN-VOLZ #2 | MICHAEL PETROLEUM CORPORATION | DRILL | 9,000 | |
| 1988-07-20 | 349047 | 42-479-34718 | CALLAGHAN RANCH, SOUTH #17 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,600 | |
| 1988-07-20 | 348994 | 42-479-33762 | HIRSCH ESTATE 2103 #1 | ENRON OIL & GAS COMPANY | RECOMP | 8,200 | |
| 1988-07-18 | 348717 | 42-479-34714 | RUSSELL-WINCH STATE #7 | FOREST OIL CORP. | DRILL | 10,800 | |
| 1988-07-15 | 348843 | 42-479-34717 | CALLAGHAN RANCH, SOUTH #19 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,500 | |
| 1988-07-15 | 348843 | 42-479-34717 | SOUTH CALLAGHAN RANCH #19 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 9,500 | |
| 1988-07-15 | 348840 | 42-479-34716 | BRUNI MINERAL TRUST #5 | KILLAM OIL COMPANY | DRILL | 10,000 | |
| 1988-07-13 | 348832 | 42-479-34715 | B.M.T. #25 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 11,400 | |
| 1988-07-07 | 348529 | 42-479-34709 | LEYENDECKER-KONE #5 | LEWIS PETRO PROPERTIES, INC. | DRILL | 7,250 | |
| 1988-07-07 | 348508 | 42-479-34710 | GARCIA, E./BUCK, GEORGE L. #1 | POGO PRODUCING CO. | DRILL | 10,000 | |
| 1988-07-07 | 348501 | 42-479-34711 | CARR #38 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,000 | |
| 1988-07-06 | 348608 | 42-479-34713 | RAYZOR 1669 #1 | FOREST OIL CORP. | DRILL | 11,500 | |
| 1988-07-06 | 348596 | 42-479-34712 | LUNDELL 44 #1 | MICHAEL PETROLEUM CORPORATION | DRILL | 11,500 | |
| 1988-06-23 | 347150 | 42-479-34693 | WITHERS, MARY K. #3 | BUFFALO PETROLEUM CORP. | DRILL | 2,000 | |
| 1988-06-21 | 347989 | 42-479-34708 | DE LA GARZA, RAUL #4261 | WEST PETROLEUM CORP. | DRILL | 2,450 | |
| 1988-06-20 | 347921 | 42-479-34707 | MARTIN, J.C. III "A" #1 | MICHAEL PETROLEUM CORPORATION | DRILL | 9,800 | |
| 1988-06-17 | 347843 | 42-479-34706 | BONEBRAKE #3 | FOREST OIL CORP. | DRILL | 10,500 | |
| 1988-06-17 | 347773 | 42-479-34704 | BENAVIDES, ROSA V. 1908 #2 | ENRON OIL & GAS COMPANY | DRILL | 10,100 | |
| 1988-06-16 | 347826 | 42-479-34705 | 7-B CATTLE CO. "D" #2 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 12,700 | |
| 1988-06-13 | 347607 | 42-479-34703 | LINK RANCH #3 | SANCHEZ-O'BRIEN OIL & GAS CORP. | DRILL | 8,000 | |
| 1988-06-09 | 347528 | 42-479-34702 | MOGLIA, LOD #2 | LOBO RESOURCES, LTD. | DRILL | 12,500 | |
| 1988-06-08 | 347449 | 42-479-34700 | DUVAL RANCH LEAGUE 2 #4 | MAN-GAS TRANSMISSION COMPANY | DRILL | 9,500 | |
| 1988-06-08 | 347438 | 42-479-34701 | MANN, W. #1 | JORDAN PETROLEUM INC. | DRILL | 1,860 | |
| 1988-06-06 | 347336 | 42-479-34698 | GUERRA, E. #1 | SUNSET ENERGY OF TEXAS, INC. | DRILL | 6,500 | |
| 1988-06-06 | 347335 | 42-479-34697 | LOPEZ, A. #1 | SUNSET ENERGY OF TEXAS, INC. | DRILL | 6,500 | |
| 1988-06-06 | 347329 | 42-479-34699 | BARNES ESTATE #2 | PHOENIX FUND, INC. | DRILL | 8,000 | |
| 1988-06-03 | 347207 | 42-479-34694 | WITHERS, MARY K. #2 | BUFFALO PETROLEUM CORP. | DRILL | 2,000 | |
| 1988-06-02 | 347177 | 42-479-34695 | NICHOLSON RANCH #2 | WISEMAN, B. W., JR. | DRILL | 17,000 | |
| 1988-06-01 | 347277 | 42-479-34696 | BENAVIDES #1 | MORTIMER EXPLORATION COMPANY | DRILL | 6,300 | |
| 1988-05-27 | 347080 | 42-479-34692 | LONG, J. E. #2 | LEWIS PETRO PROPERTIES, INC. | DRILL | 7,250 | |
| 1988-05-27 | 347079 | 42-479-34691 | HUNTER-KONE #4 | LEWIS PETRO PROPERTIES, INC. | DRILL | 7,350 | |
| 1988-05-25 | 346983 | 42-479-34690 | SCHWARZ #1 | SANCHEZ-O'BRIEN OIL & GAS CORP. | DRILL | 8,400 | |
| 1988-05-24 | 346779 | 42-479-34689 | WITHERS, MARY K. #1 | BUFFALO PETROLEUM CORP. | DRILL | 2,000 | |
| 1988-05-20 | 346791 | 42-479-34688 | ZIMMERMAN, E. L. #3 | ENRON OIL & GAS COMPANY | DRILL | 11,250 | |