| 1991-07-17 | 389993 | 42-149-32481 | KRAATZ SORRELLS "A" UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,100 | Y |
| 1991-07-16 | 389955 | 42-149-32479 | BACA-KARISCH UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 15,600 | Y |
| 1991-07-16 | 389955 | 42-149-32479 | BACA-KARISCH UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,307 | Y |
| 1991-07-16 | 389953 | 42-149-32480 | MORGAN, CLAY #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 14,100 | Y |
| 1991-07-16 | 389953 | 42-149-32480 | MORGAN, CLAY #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,056 | Y |
| 1991-07-15 | 389876 | 42-149-32478 | EPHRAIM-PYBURN UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,700 | Y |
| 1991-07-10 | 389770 | 42-149-32477 | MORGAN-KARISH UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 14,700 | Y |
| 1991-07-10 | 389770 | 42-149-32477 | MORGAN-KARISH UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 14,700 | Y |
| 1991-07-10 | 389770 | 42-149-32477 | MORGAN-KARISH UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,766 | Y |
| 1991-07-10 | 389527 | 42-149-31246 | BREWER, T. #2 R | SOUTH TEXAS DRILLING & EXPL, INC | OTHER | 7,950 | Y |
| 1991-07-03 | 390107 | 42-149-30980 | APPELT #4HA | TORCH OPERATING COMPANY | RECOMP | 14,500 | Y |
| 1991-07-01 | 389480 | 42-149-32475 | PIETSCH UNIT #1 H | WILLIAMS, CLAYTON W., JR., INC. | DRILL | 10,300 | Y |
| 1991-07-01 | 389480 | 42-149-32475 | PIETSCH UNIT #1 H | WILLIAMS, CLAYTON W., JR., INC. | DRILL | 10,050 | Y |
| 1991-07-01 | 389455 | 42-149-32474 | NAN #1 | WEBER ENERGY CORPORATION | DRILL | 13,000 | Y |
| 1991-07-01 | 389455 | 42-149-32474 | NAN #1 | WEBER ENERGY CORPORATION | DRILL | 13,000 | Y |
| 1991-07-01 | 389455 | 42-149-32474 | NAN #1 | WEBER ENERGY CORPORATION | DRILL | 12,417 | Y |
| 1991-07-01 | 389455 | 42-149-32474 | NAN #1 | WEBER ENERGY CORPORATION | DRILL | 13,076 | Y |
| 1991-06-28 | 389410 | 42-149-32473 | NOSKA UNIT #1 | MELTON ENERGY INC. | DRILL | 10,400 | Y |
| 1991-06-28 | 389410 | 42-149-32473 | NOSKA UNIT #1 | MELTON ENERGY INC. | DRILL | 9,914 | Y |
| 1991-06-25 | 389324 | 42-149-32471 | KARISH, ROY #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,400 | Y |
| 1991-06-25 | 389324 | 42-149-32471 | KARISH, ROY #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 18,000 | Y |
| 1991-06-25 | 389323 | 42-149-32472 | VASEK-KARISH UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 14,000 | Y |
| 1991-06-25 | 389323 | 42-149-32472 | VASEK-KARISH UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,104 | Y |
| 1991-06-25 | 388524 | 42-149-32461 | ARMSTRONG, FANNIE #3 | MCA PETROLEUM CORPORATION | DRILL | 1,950 | |
| 1991-06-25 | 388523 | 42-149-32462 | DERRY, MATTIE #2 B | MCA PETROLEUM CORPORATION | DRILL | 2,050 | |
| 1991-06-20 | 389139 | 42-149-32177 | RUTH #1 | UNITED OIL & MINERALS, INC. | DRILL | 10,000 | Y |
| 1991-06-20 | 389139 | 42-149-32177 | RUTH #1 | UNITED OIL & MINERALS, INC. | DRILL | 10,900 | Y |
| 1991-06-19 | 389138 | 42-149-32470 | KATIE #1 | PARKER & PARSLEY DEVELOPMENT CO. | DRILL | 11,200 | Y |
| 1991-06-17 | 389039 | 42-149-32469 | CHERRY, WILLIAM #H 1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 14,700 | Y |
| 1991-06-14 | 388651 | 42-149-32468 | JRT UNIT #1 S | SELLERS' LEASE SERVICE | DRILL | 1,500 | |
| 1991-06-12 | 388904 | 42-149-32467 | FUCHS #3 | MARATHON OIL COMPANY | DRILL | 11,400 | Y |
| 1991-06-12 | 388904 | 42-149-32467 | FUCHS #3 | MARATHON OIL COMPANY | DRILL | 11,400 | Y |
| 1991-06-12 | 388864 | 42-149-32465 | RIGHTMER OIL UNIT #1 | TANA OIL AND GAS CORPORATION | DRILL | 13,500 | Y |
| 1991-06-12 | 388025 | 42-149-32458 | GREEN-GREEN UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 14,300 | Y |
| 1991-06-06 | 388736 | 42-149-32464 | MCCOLLUM-BELOTA UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 14,300 | Y |
| 1991-06-06 | 388735 | 42-149-32463 | BOENING-POLASEK UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,100 | Y |
| 1991-06-05 | 388679 | 42-149-32100 | PETERS #1 | UNITED OIL & MINERALS, INC. | RECOMP | 10,000 | Y |
| 1991-05-24 | 388313 | 42-149-32459 | SCHUBERT-HOBRATSCHK UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 16,000 | Y |
| 1991-05-24 | 388312 | 42-149-32460 | WIESENHUTTER-ZOCH UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,100 | Y |
| 1991-05-24 | 388277 | 42-149-30951 | REEDY, G.V. JR. #1 | TAKAH TEXAS, INC. | RECOMP | 9,553 | |
| 1991-05-13 | 387872 | 42-149-32457 | W. LEHMANN OIL UNIT #1 | COASTAL OIL & GAS CORPORATION | DRILL | 14,400 | Y |
| 1991-05-13 | 387805 | 42-149-30323 | FALKE #1H | DYNAMIC PRODUCTION, INC. | RECOMP | 9,300 | Y |
| 1991-05-13 | 387805 | 42-149-30323 | FALKE #1H | DYNAMIC PRODUCTION, INC. | RECOMP | 9,305 | Y |
| 1991-05-09 | 386951 | 42-149-32450 | WALTHER-HEMPEL UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 14,000 | Y |
| 1991-05-06 | 387533 | 42-149-32456 | CRUSE-LEHMANN UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,700 | Y |
| 1991-05-03 | 387442 | 42-149-32455 | WARDA-MITSCHKE UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,400 | Y |
| 1991-05-01 | 387352 | 42-149-32454 | W.E. BRUNNER UNIT #1H | CONOCO INC. | DRILL | 13,470 | Y |
| 1991-04-30 | 387319 | 42-149-32453 | VON ROSENBERG-BUSCHA UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 14,300 | Y |
| 1991-04-25 | 386559 | 42-149-30425 | MARANATHA #1H | REACH EXPLORATION, INC. | DRILL | 9,170 | Y |
| 1991-04-19 | 386987 | 42-149-32452 | BROWN #1 H | TORCH OPERATING COMPANY | DRILL | 14,500 | Y |