| 1991-01-11 | 383243 | 42-505-31786 | GUTIERREZ, O. #2 | TRANSAMERICAN NATURAL GAS CORP. | RECOMP | 10,500 | |
| 1991-01-09 | 383255 | 42-505-30520 | ALEXANDER, M. M. B. #1 | ENRON OIL & GAS COMPANY | RECOMP | 6,100 | |
| 1991-01-09 | 383255 | 42-505-30520 | ALEXANDER, M. M. B. #1 | ENRON OIL & GAS COMPANY | RECOMP | 6,100 | |
| 1991-01-07 | 382987 | 42-505-32747 | DOMINGUEZ ET AL #1 | MUELLER ENGINEERING CORP. | DRILL | 6,500 | |
| 1991-01-04 | 382061 | 42-505-32743 | MOLLETES CREEK #1 | ENRON OIL & GAS COMPANY | DRILL | 10,200 | |
| 1991-01-04 | 381863 | 42-505-32742 | JUANA #2 | ENRON OIL & GAS COMPANY | DRILL | 11,000 | |
| 1991-01-04 | 381863 | 42-505-32742 | JUANA #2 | ENRON OIL & GAS COMPANY | DRILL | 11,000 | |
| 1991-01-03 | 383020 | 42-505-32749 | BENAVIDES, J. G. GAS UNIT #4 | ENRON OIL & GAS COMPANY | DRILL | 11,800 | |
| 1991-01-03 | 383016 | 42-505-32748 | LA PERLA #137 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,000 | |
| 1991-01-03 | 382783 | 42-505-32746 | HAYNES, L. #22A | AMERADA HESS CORPORATION | DRILL | 12,000 | |
| 1990-12-28 | 382756 | 42-505-32745 | LA PERLA #136 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,500 | |
| 1990-12-13 | 382286 | 42-505-32635 | LA PERLA #125 | TRANSAMERICAN NATURAL GAS CORP. | RECOMP | 10,500 | |
| 1990-12-13 | 382062 | 42-505-32744 | URIBE, A. #1 | SOUTHWEST LAND & MINERALS, INC. | DRILL | 1,500 | |
| 1990-12-12 | 382141 | 42-505-32264 | VELA, SERAPIO HEIRS B #18 | ENRON OIL & GAS COMPANY | OTHER | 9,200 | |
| 1990-11-28 | 381435 | 42-505-32456 | TESORO-YZAGUIRRE #1 | AMAX OIL & GAS INC. | RECOMP | 15,000 | |
| 1990-11-27 | 381614 | 42-505-32741 | GONZALES, G. G. #1 | ENRON OIL & GAS COMPANY | DRILL | 10,000 | |
| 1990-11-27 | 381614 | 42-505-32741 | GONZALES, G. G. #1 | ENRON OIL & GAS COMPANY | DRILL | 11,000 | |
| 1990-11-27 | 381349 | 42-505-32739 | TREVINO, A. #2065 | KILLAM OIL COMPANY | DRILL | 9,600 | |
| 1990-11-27 | 381234 | 42-505-32738 | GUTIERREZ, J. M. #3 | S M K ENERGY CORPORATION | DRILL | 4,000 | |
| 1990-11-21 | 381372 | 42-505-32737 | URIBE #3 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 9,800 | |
| 1990-11-20 | 381421 | 42-505-32740 | GUERRA "L" #12 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,000 | |
| 1990-11-19 | 381212 | 42-505-32736 | BRUNI MINERAL TRUST A #8 | ENRON OIL & GAS COMPANY | DRILL | 8,100 | |
| 1990-11-13 | 380962 | 42-505-32734 | LA PERLA #135 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,000 | |
| 1990-11-13 | 380961 | 42-505-32735 | BERNARDO G. U. #6 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 11,700 | |
| 1990-11-09 | 380818 | 42-505-32733 | URIBE, SERAFIN #2 | ARCO OIL & GAS CO. | DRILL | 10,700 | |
| 1990-11-07 | 380771 | 42-505-31674 | OLD ZAPATA DEEP GAS UNIT #1 | ENRON OIL & GAS COMPANY | RECOMP | 9,100 | |
| 1990-11-02 | 380562 | 42-505-32732 | DODIER, J. O. #3 | ENRON OIL & GAS COMPANY | DRILL | 7,000 | |
| 1990-11-02 | 380551 | 42-505-32731 | LA PERLA #113 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,400 | |
| 1990-11-01 | 380119 | 42-505-32099 | JENNINGS #57 | PENNZOIL EXPLORATION & PROD. CO. | RECOMP | 2,310 | |
| 1990-11-01 | 380118 | 42-505-31742 | JENNINGS #51 | PENNZOIL EXPLORATION & PROD. CO. | RECOMP | 2,309 | |
| 1990-10-25 | 379880 | 42-505-32730 | PENA #2 | TESORO EXPL. & PROD. COMPANY | DRILL | 10,500 | |
| 1990-10-25 | 379880 | 42-505-32730 | PENA #2 | TESORO EXPL. & PROD. COMPANY | DRILL | 10,500 | |
| 1990-10-25 | 379775 | 42-505-31817 | ARCO P. URIBE #1 | ARCO OIL & GAS CO. | RECOMP | 12,100 | |
| 1990-10-19 | 379061 | 42-505-32725 | VASQUEZ, DELIA M. #1 | ENRON OIL & GAS COMPANY | DRILL | 9,000 | |
| 1990-10-18 | 379788 | 42-505-32728 | TREVINO, ALBERT #B 4 | PENNZOIL EXPLORATION & PROD. CO. | DRILL | 14,000 | |
| 1990-10-18 | 379788 | 42-505-32728 | TREVINO, ALBERT #B 4 | PENNZOIL EXPLORATION & PROD. CO. | DRILL | 14,000 | |
| 1990-10-17 | 379699 | 42-505-32729 | GARZA, L. "B" #4 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 11,700 | |
| 1990-10-17 | 379699 | 42-505-32729 | GARZA, L. "B" #4 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 14,200 | |
| 1990-10-17 | 379224 | 42-505-32726 | LA PERLA #120 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,500 | |
| 1990-10-17 | 379077 | 42-505-32727 | LA PERLA #112 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,500 | |
| 1990-10-09 | 378871 | 42-505-32723 | LA PERLA #111 | TRANSAMERICAN NATURAL GAS CORP. | DRILL | 10,000 | |
| 1990-10-08 | 379129 | 42-505-32724 | BRUNI MINERAL TRUST #4 | ENRON OIL & GAS COMPANY | DRILL | 6,000 | |
| 1990-10-08 | 376545 | 42-505-32629 | HAYNES, LEONARD ESTATE #19 | AMERADA HESS CORPORATION | RECOMP | 8,400 | |
| 1990-10-08 | 376544 | 42-505-32590 | HAYNES, LEONARD ESTATE #17 | AMERADA HESS CORPORATION | RECOMP | 8,175 | |
| 1990-09-28 | 378550 | 42-505-31317 | BENAVIDES, JUAN G. #2 | KILROY COMPANY OF TEXAS, INC. | RECOMP | 7,860 | |
| 1990-09-21 | 378313 | 42-505-32722 | VASQUEZ, ROMERO ET AL #2 | ENRON OIL & GAS COMPANY | DRILL | 10,000 | |
| 1990-09-21 | 378313 | 42-505-32722 | VASQUEZ, ROMERO ET AL #2 | ENRON OIL & GAS COMPANY | DRILL | 10,000 | |
| 1990-09-21 | 378131 | 42-505-32720 | TREVINO, A. #1A | KILLAM OIL COMPANY | DRILL | 9,200 | |
| 1990-09-20 | 378238 | 42-505-32721 | JENNINGS #49 | PENNZOIL EXPLORATION & PROD. CO. | DRILL | 10,200 | |
| 1990-09-20 | 378110 | 42-505-31304 | ZACHRY, H. B. CO. #1 | SHELL WESTERN E&P INC. | RECOMP | 18,130 | |