| 1999-11-17 | 489601 | 42-241-00115 | FLETCHER-RICHARDSON UNIT #1 | MERIT ENERGY COMPANY | RECOMP | 7,675 | |
| 1999-11-17 | 489601 | 42-241-00115 | FLETCHER-RICHARDSON UNIT #1 | MERIT ENERGY COMPANY | RECOMP | 7,675 | |
| 1999-09-13 | 487367 | 42-241-30664 | TEMPLE-INLAND UNIT A-601 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 15,000 | Y |
| 1999-09-13 | 487367 | 42-241-30664 | TEMPLE-INLAND UNIT A-601 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 17,561 | Y |
| 1999-08-27 | 486644 | 42-241-30663 | P. C. BERNAL GAS UNIT #1 | DUNCAN ENERGY COMPANY | DRILL | 10,200 | |
| 1999-08-27 | 486644 | 42-241-30663 | P. C. BERNAL GAS UNIT #1 | DUNCAN ENERGY COMPANY | DRILL | 10,400 | |
| 1999-06-28 | 485272 | 42-241-30375 | ARCO HUGHES #1 | HANSON PRODUCTION COMPANY | RECOMP | 7,976 | |
| 1999-06-02 | 484602 | 42-241-30662 | VASTAR FEE UNIT A-251 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 15,500 | Y |
| 1999-05-24 | 484647 | 42-241-30444 | ARCO JOHNSON FEE -A- #1 | WHITING PETROLEUM CORPORATION | RECOMP | 10,701 | |
| 1999-05-13 | 484272 | 42-241-30661 | BLACK STONE MINERALS UNIT A-981 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 11,500 | Y |
| 1999-05-13 | 484272 | 42-241-30661 | BLACK STONE MINERALS UNIT A-981 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 16,820 | Y |
| 1999-05-05 | 484296 | 42-241-30646 | S. GOODE UNIT A-151 #1 | UNION PACIFIC RESOURCES COMPANY | RECOMP | 12,500 | Y |
| 1999-05-03 | 484235 | 42-241-30660 | VASTAR FEE UNIT A-888 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 11,500 | Y |
| 1999-05-03 | 484235 | 42-241-30660 | VASTAR FEE UNIT A-888 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,058 | Y |
| 1999-04-30 | 484209 | 42-241-30659 | VASTAR FEE UNIT A-215 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 15,000 | Y |
| 1999-02-12 | 482597 | 42-241-30658 | S. CRUSE UNIT A-10 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 11,500 | Y |
| 1999-01-05 | 481889 | 42-241-30088 | ARCO-CASTILLO #2 | TRANSWESTERN ENERGY CORP. | RENTR | 4,000 | |
| 1998-12-15 | 481554 | 42-241-30139 | ARCO FEE "B" #1 | STANFORD PETROLEUM INC | RECOMP | 10,510 | |
| 1998-12-15 | 481524 | 42-241-30333 | ARCO FEE "B" #5 | STANFORD PETROLEUM INC | RECOMP | 9,841 | |
| 1998-11-12 | 480687 | 42-241-30656 | EAST GILCHRIST A-153 UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 15,500 | Y |
| 1998-11-12 | 480687 | 42-241-30656 | EAST GILCHRIST A-153 UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 15,500 | Y |
| 1998-11-12 | 480687 | 42-241-30656 | EAST GILCHRIST A-153 UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 15,500 | Y |
| 1998-11-12 | 480687 | 42-241-30656 | EAST GILCHRIST A-153 UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 15,500 | Y |
| 1998-11-09 | 480688 | 42-241-30657 | TEMPLE-INLAND A-56 UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,000 | Y |
| 1998-10-20 | 480053 | 42-241-30655 | DONNER-BROWN UNIT A-1007 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 15,500 | Y |
| 1998-10-05 | 479760 | 42-241-30654 | VASTAR FEE A-234 UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,000 | Y |
| 1998-06-29 | 477362 | 42-241-30653 | ELLIS UNIT A-521 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 18,500 | Y |
| 1998-06-29 | 477362 | 42-241-30653 | ELLIS UNIT A-521 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 18,500 | Y |
| 1998-06-29 | 477362 | 42-241-30653 | ELLIS UNIT A-521 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,065 | Y |
| 1998-06-10 | 477029 | 42-241-30642 | VASTAR FEE #1 | AVIARA ENERGY CORPORATION | FLD-XFR | 11,600 | |
| 1998-05-22 | 476552 | 42-241-00236 | ARCO FEE SEC 49 #1 | TRANSWESTERN ENERGY CORP. | RENTR | 7,850 | |
| 1998-05-20 | 476465 | 42-241-00046 | OLSON #1 | PMO | RENTR | 3,750 | |
| 1998-05-15 | 475963 | 42-241-30375 | ARCO HUGHES #1 | HANSON PRODUCTION COMPANY | RECOMP | 7,976 | |
| 1998-04-29 | 474456 | 42-241-30133 | HENDERSON-WITHERS #1 | SHALE OIL CO., INC. | RENTR | 7,016 | |
| 1998-04-14 | 475307 | 42-241-30489 | CROCKETT, MAE #1 | HOUSTON HYDROCARBONS, INC. (A) | RECOMP | 9,000 | |
| 1998-03-02 | 473889 | 42-241-30651 | LEWIS UNIT A-340 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,500 | Y |
| 1998-03-02 | 473889 | 42-241-30651 | LEWIS UNIT A-340 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,500 | Y |
| 1998-03-02 | 473889 | 42-241-30651 | LEWIS UNIT A-340 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,472 | Y |
| 1998-03-02 | 473884 | 42-241-30652 | CREW UNIT A-342 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,500 | Y |
| 1998-01-28 | 472658 | 42-241-30650 | SAUL UNIT A-33 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,500 | Y |
| 1998-01-28 | 472658 | 42-241-30650 | SAUL UNIT A-33 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,500 | Y |
| 1998-01-22 | 472546 | 42-241-30670 | ANGELINA UPR UNIT A-19 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,500 | Y |
| 1998-01-14 | 472155 | 42-241-30648 | MIXSON #1D | BARGO ENERGY COMPANY | DRILL | 5,700 | |
| 1997-12-09 | 471004 | 42-241-30647 | COOPER UNIT A-110 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,000 | Y |
| 1997-12-09 | 471004 | 42-241-30647 | COOPER UNIT A-110 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 13,000 | Y |
| 1997-10-23 | 469151 | 42-241-30646 | GOODE, S. A-151 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,500 | Y |
| 1997-10-23 | 469151 | 42-241-30646 | GOODE, S. A-151 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,724 | Y |
| 1997-10-15 | 468842 | 42-241-30645 | JORDAN UNIT A-321 #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,500 | Y |
| 1997-10-02 | 468314 | 42-241-30644 | PEARL #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 12,500 | Y |
| 1997-09-19 | 467787 | 42-241-30643 | WHEERY, C. SUCCESSORS #1 | CAMM OPERATING & LEASING, INC. | DRILL | 7,000 | |