| 1999-01-14 | 481968 | 42-341-32621 | ROENFELDT, ANDREW #2 | AMOCO PRODUCTION COMPANY | DRILL | 3,600 | |
| 1999-01-11 | 481924 | 42-341-32620 | THOMAS, MARY #2 | CRESCENDO RESOURCES, L.P. | DRILL | 3,350 | |
| 1999-01-11 | 481923 | 42-341-32619 | FUQUA #6 | CRESCENDO RESOURCES, L.P. | DRILL | 3,400 | |
| 1999-01-11 | 481923 | 42-341-32619 | FUQUA #6 | CRESCENDO RESOURCES, L.P. | DRILL | 3,400 | |
| 1999-01-11 | 481923 | 42-341-32619 | FUQUA #6 | CRESCENDO RESOURCES, L.P. | DRILL | 3,400 | |
| 1998-12-28 | 481759 | 42-341-32618 | SPEAR #1R | PHILLIPS PETROLEUM COMPANY | DRILL | 3,500 | |
| 1998-11-19 | 480924 | 42-341-32617 | UNITED #1R | PHILLIPS PETROLEUM COMPANY | DRILL | 3,600 | |
| 1998-10-23 | 480286 | 42-341-32616 | BIVINS #9807 | COLORADO INTERSTATE GAS CO. | DRILL | 400 | |
| 1998-10-23 | 480284 | 42-341-32615 | BIVINS #9805 | COLORADO INTERSTATE GAS CO. | DRILL | 400 | |
| 1998-10-23 | 480282 | 42-341-32614 | BIVINS #9803 | COLORADO INTERSTATE GAS CO. | DRILL | 400 | |
| 1998-09-18 | 479523 | 42-341-31355 | GREEN #1 | CHESAPEAKE OPERATING, INC. | RECLASS | 3,700 | |
| 1998-09-18 | 479522 | 42-341-31294 | STEWART #1 | CHESAPEAKE OPERATING, INC. | RECLASS | 3,700 | |
| 1998-09-11 | 479313 | 42-341-32613 | LEE #6 | J. W. RESOURCES INC. | DRILL | 3,850 | |
| 1998-09-03 | 479039 | 42-341-32609 | HIGHT, MARY C. #6354 | CRESCENDO RESOURCES, L.P. | DRILL | 3,500 | |
| 1998-09-01 | 479139 | 42-341-32612 | STEWART, A. A. #203 | CRESCENDO RESOURCES, L.P. | DRILL | 3,300 | |
| 1998-09-01 | 479095 | 42-341-32611 | BURNETT ET AL #2 | CRESCENDO RESOURCES, L.P. | DRILL | 3,500 | |
| 1998-08-31 | 479051 | 42-341-32610 | BRITAIN, E. C. #38 | CRESCENDO RESOURCES, L.P. | DRILL | 3,200 | |
| 1998-08-18 | 478772 | 42-341-32608 | WARD, J. F. #2319 | CRESCENDO RESOURCES, L.P. | DRILL | 3,600 | |
| 1998-08-18 | 478771 | 42-341-32607 | KEMPSON #204 | CRESCENDO RESOURCES, L.P. | DRILL | 3,200 | |
| 1998-08-18 | 478538 | 42-341-32603 | LEE #4 | J. W. RESOURCES INC. | DRILL | 3,850 | |
| 1998-08-13 | 478536 | 42-341-32602 | LEE #5 | J. W. RESOURCES INC. | DRILL | 3,850 | |
| 1998-08-07 | 478541 | 42-341-32606 | LEE #1 | J. W. RESOURCES INC. | DRILL | 3,850 | |
| 1998-08-07 | 478540 | 42-341-32605 | LEE #2 | J. W. RESOURCES INC. | DRILL | 3,850 | |
| 1998-08-07 | 478539 | 42-341-32604 | LEE #3 | J. W. RESOURCES INC. | DRILL | 3,850 | |
| 1998-08-05 | 478519 | 42-341-32236 | STATE "CR" #503B | ANADARKO PETROLEUM CORP. | RECOMP | 2,354 | Y |
| 1998-07-30 | 478313 | 42-341-32601 | THOMPSON "19" #A 11 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,500 | |
| 1998-07-28 | 478298 | 42-341-32599 | FUQUA #5183 | CRESCENDO RESOURCES, L.P. | DRILL | 3,500 | |
| 1998-07-28 | 478297 | 42-341-32600 | YOUNG, J. H. #3263 | CRESCENDO RESOURCES, L.P. | DRILL | 3,600 | |
| 1998-07-28 | 478297 | 42-341-32600 | YOUNG, J. H. #3263 | CRESCENDO RESOURCES, L.P. | DRILL | 3,600 | |
| 1998-07-23 | 478122 | 42-341-32598 | ARMSTRONG #12R | MOMENTUM OPERATING CO., INC. | DRILL | 3,350 | |
| 1998-07-17 | 478009 | 42-341-32596 | LUCKHARDT #3353 | CRESCENDO RESOURCES, L.P. | DRILL | 3,280 | |
| 1998-07-17 | 478008 | 42-341-32597 | HARDWICK #2242 | CRESCENDO RESOURCES, L.P. | DRILL | 3,500 | |
| 1998-07-08 | 477773 | 42-341-01744 | SHELTON #A4 | SEAGULL ENERGY E&P INC. | DRILL | 2,907 | Y |
| 1998-07-06 | 477736 | 42-341-32595 | CLARK #4 | ARRINGTON CJM, INC. | DRILL | 3,850 | |
| 1998-07-06 | 477735 | 42-341-32594 | CLARK #3 | ARRINGTON CJM, INC. | DRILL | 3,850 | |
| 1998-07-06 | 477734 | 42-341-32593 | CLARK #2 | ARRINGTON CJM, INC. | DRILL | 3,850 | |
| 1998-07-06 | 477733 | 42-341-32592 | CLARK #1 | ARRINGTON CJM, INC. | DRILL | 3,850 | |
| 1998-07-06 | 477574 | 42-341-32590 | SNEED "53" #A 12 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,400 | |
| 1998-07-06 | 477573 | 42-341-32773 | SNEED "51" #A 13 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,400 | |
| 1998-07-06 | 477572 | 42-341-32588 | SNEED "46" #C 3 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,300 | |
| 1998-07-06 | 477571 | 42-341-32587 | SNEED "42" #D 3 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,200 | |
| 1998-07-06 | 477571 | 42-341-32587 | SNEED "42" #D 3 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,200 | |
| 1998-07-02 | 477624 | 42-341-32591 | MESSENGER #1R | PHILLIPS PETROLEUM COMPANY | DRILL | 3,600 | |
| 1998-07-01 | 477535 | 42-341-32586 | PINK #1R | PHILLIPS PETROLEUM COMPANY | DRILL | 3,720 | |
| 1998-06-12 | 477060 | 42-341-32584 | SHELTON A #17R | SEAGULL ENERGY E&P INC. | DRILL | 1,900 | |
| 1998-06-12 | 477059 | 42-341-32583 | SHELTON A #19R | SEAGULL ENERGY E&P INC. | DRILL | 1,810 | |
| 1998-06-12 | 477058 | 42-341-32582 | SHELTON A #18R | SEAGULL ENERGY E&P INC. | DRILL | 1,850 | |
| 1998-05-21 | 476371 | 42-341-32581 | KILGORE "13" #A 24 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,650 | |
| 1998-05-21 | 476371 | 42-341-32581 | KILGORE "13" #A 24 | PIONEER NATURAL RES. USA, INC. | DRILL | 3,650 | |
| 1998-04-30 | 475869 | 42-341-32579 | GORDON #1H | FORTUNE OPERATING COMPANY | DRILL | 3,500 | Y |