| 1999-02-19 | 482846 | 42-121-30692 | DCCO 1 - SULLIVAN, P. G. "A" #6C | MITCHELL ENERGY CORPORATION | DRILL | 8,400 | |
| 1999-02-19 | 482845 | 42-121-30691 | DCCO 1 - SULLIVAN, P. G. "A" #5C | MITCHELL ENERGY CORPORATION | DRILL | 8,325 | |
| 1999-02-18 | 482786 | 42-121-30690 | DCCO 2 - P. G. SULLIVAN #7E | MITCHELL ENERGY CORPORATION | DRILL | 8,250 | |
| 1999-01-27 | 482311 | 42-121-30689 | S. H. GRIFFIN ESTATE #5 | MITCHELL ENERGY CORPORATION | DRILL | 8,450 | |
| 1999-01-27 | 482310 | 42-121-30688 | DCCO 2 #6E | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1999-01-21 | 482164 | 42-121-30687 | SHOOP, GLENN P. "B" #2 | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1998-12-29 | 481828 | 42-121-30686 | KATHY KEELE GU #2 | MITCHELL ENERGY CORPORATION | DRILL | 8,435 | |
| 1998-12-22 | 481628 | 42-121-30685 | KATHY KEELE GU #3 | MITCHELL ENERGY CORPORATION | DRILL | 8,550 | |
| 1998-12-16 | 481383 | 42-121-30684 | MCRAE #4 | ENRE CORP. | DRILL | 8,500 | |
| 1998-12-04 | 481281 | 42-121-30683 | JAMES BAKER GU #9 | MITCHELL ENERGY CORPORATION | DRILL | 8,350 | |
| 1998-12-03 | 481271 | 42-121-30682 | JAMES BAKER GU #8 | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1998-11-24 | 481128 | 42-121-30681 | BUCKLEY "A" #2 | DALLAS PRODUCTION, INC. | DRILL | 6,900 | |
| 1998-11-04 | 480575 | 42-121-30680 | MERRELL #3 | VICARS OIL & GAS CORPORATION | DRILL | 3,100 | |
| 1998-10-14 | 480162 | 42-121-30679 | MYERS-TINDLE #2 | DALLAS PRODUCTION, INC. | DRILL | 7,200 | |
| 1998-10-07 | 479959 | 42-121-30678 | BLAKELY ESTATE GAS UNIT "C" #1 | MITCHELL ENERGY CORPORATION | DRILL | 7,750 | |
| 1998-09-17 | 479507 | 42-121-30677 | EVERS "B" #2 | DALLAS PRODUCTION, INC. | DRILL | 7,200 | |
| 1998-08-28 | 479070 | 42-121-31127 | THATCHER, MATTIE #2 | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1998-08-18 | 478820 | 42-121-30675 | JAMES BAKER GU #7 | MITCHELL ENERGY CORPORATION | DRILL | 8,250 | |
| 1998-07-21 | 477905 | 42-121-30674 | JANUARY #1DX | DENTON EXPLORATION, INC. | DRILL | 2,000 | |
| 1998-06-19 | 477295 | 42-121-30673 | JAMES BAKER GU #6 | MITCHELL ENERGY CORPORATION | DRILL | 8,250 | |
| 1998-06-08 | 474334 | 42-121-30666 | DCCO 2 #6C | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1998-05-28 | 476700 | 42-121-30672 | PENNINGTON GU "A" #3 | MITCHELL ENERGY CORPORATION | DRILL | 8,400 | |
| 1998-05-28 | 476686 | 42-121-30671 | TINDLE #2 | DALLAS PRODUCTION, INC. | DRILL | 7,200 | |
| 1998-05-28 | 476686 | 42-121-30671 | TINDLE #2 | DALLAS PRODUCTION, INC. | DRILL | 7,200 | |
| 1998-05-21 | 476352 | 42-121-30668 | THOMPSON, E. L. #1 | VICARS OIL & GAS CORPORATION | DRILL | 8,200 | |
| 1998-05-21 | 476352 | 42-121-30668 | THOMPSON, E. L. #1 | VICARS OIL & GAS CORPORATION | DRILL | 8,200 | |
| 1998-05-20 | 476461 | 42-121-30670 | GRIFFIN, S. H. ESTATE #4 | MITCHELL ENERGY CORPORATION | DRILL | 8,550 | |
| 1998-05-20 | 476317 | 42-121-30669 | MERRELL #2 | VICARS OIL & GAS CORPORATION | DRILL | 8,200 | |
| 1998-03-30 | 474817 | 42-121-30667 | TCU #2 | MITCHELL ENERGY CORPORATION | DRILL | 7,825 | |
| 1998-03-24 | 474657 | 42-121-30620 | FRED SANDERS GU #1 | MITCHELL ENERGY CORPORATION | RECOMP | 8,170 | |
| 1998-02-26 | 473827 | 42-121-30665 | PENNINGTON GU "A" #2 | MITCHELL ENERGY CORPORATION | DRILL | 8,350 | |
| 1998-02-06 | 473052 | 42-121-30664 | FRED SANDERS GU #4 | MITCHELL ENERGY CORPORATION | DRILL | 8,400 | |
| 1998-01-15 | 472227 | 42-121-30663 | GRIFFIN, S. H. ESTATE #3 | MITCHELL ENERGY CORPORATION | DRILL | 8,550 | |
| 1998-01-14 | 472190 | 42-121-30662 | JAMES FRAZIER GAS UNIT NO. 1 #2 | MITCHELL ENERGY CORPORATION | DRILL | 8,250 | |
| 1997-12-17 | 470177 | 42-121-30661 | H. M. POTTER GAS UNIT #8 | ENRE CORP. | DRILL | 8,200 | |
| 1997-11-24 | 469801 | 42-121-30659 | BURNS, ANNA BETH #6 | MITCHELL ENERGY CORPORATION | DRILL | 8,500 | |
| 1997-11-17 | 468147 | 42-121-30658 | DCCO 1 #8E | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1997-11-14 | 469685 | 42-121-30641 | JAMES BAKER GU #4 | MITCHELL ENERGY CORPORATION | RECOMP | 8,170 | |
| 1997-11-12 | 469958 | 42-121-30660 | DCCO 1 #4B | MITCHELL ENERGY CORPORATION | DRILL | 8,500 | |
| 1997-11-12 | 468097 | 42-121-30657 | DCCO 1 #4 | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1997-11-05 | 468096 | 42-121-30656 | DCCO 1 #4C | MITCHELL ENERGY CORPORATION | DRILL | 8,375 | |
| 1997-09-04 | 467129 | 42-121-30655 | DCCO 2 - JONES, LEWIS #6 | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1997-09-04 | 467129 | 42-121-30655 | DCCO 2 #6A | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1997-09-04 | 467129 | 42-121-30655 | DCCO 2 #6A | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1997-09-03 | 467059 | 42-121-30654 | DCCO 2 - GRAHAM RANCH #5 | MITCHELL ENERGY CORPORATION | DRILL | 8,300 | |
| 1997-09-03 | 467057 | 42-121-30653 | DCCO 2 - RAY WILLIAMS #4 | MITCHELL ENERGY CORPORATION | DRILL | 8,200 | |
| 1997-09-02 | 466819 | 42-121-30651 | JAMES BAKER GU #5 | MITCHELL ENERGY CORPORATION | DRILL | 8,225 | |
| 1997-08-29 | 466854 | 42-121-30652 | PEGGY SMITH GAS UNIT "A" #2 | MITCHELL ENERGY CORPORATION | DRILL | 8,320 | |
| 1997-08-15 | 466074 | 42-121-30650 | DIETER SCHWARZ GAS UNIT "A" #2 | MITCHELL ENERGY CORPORATION | DRILL | 8,350 | |
| 1997-06-25 | 464140 | 42-121-30574 | DENTON CREEK TRADING #3 | MITCHELL ENERGY CORPORATION | RECOMP | 8,185 | |