| 1999-11-02 | 489007 | 42-203-32579 | LEE GAS UNIT "A" #8 | AMOCO PRODUCTION COMPANY | DRILL | 10,000 | |
| 1999-11-02 | 489007 | 42-203-32579 | LEE GAS UNIT "A" #8 | AMOCO PRODUCTION COMPANY | DRILL | 10,000 | |
| 1999-10-29 | 488990 | 42-203-32578 | HANCOCK GU #1 | GMX RESOURCES INC. | DRILL | 6,600 | |
| 1999-10-25 | 488718 | 42-203-32576 | MOBLEY GAS UNIT #5 | VALENCE OPERATING COMPANY | DRILL | 10,400 | |
| 1999-10-25 | 488718 | 42-203-32576 | MOBLEY GAS UNIT #5 | VALENCE OPERATING COMPANY | DRILL | 10,400 | |
| 1999-10-21 | 487247 | 42-203-31894 | SCOTT, T.P. #8 | SEAGULL ENERGY E&P INC. | RECOMP | 6,600 | |
| 1999-10-21 | 487247 | 42-203-31894 | SCOTT, T. P. #8 | SEAGULL ENERGY E&P INC. | RECOMP | 6,600 | |
| 1999-10-19 | 488510 | 42-203-32575 | MOBLEY GAS UNIT #4 | VALENCE OPERATING COMPANY | DRILL | 10,400 | |
| 1999-10-15 | 487687 | 42-203-32571 | SHAW UNIT 1 #2 | COMSTOCK OIL & GAS, INC. | DRILL | 11,500 | |
| 1999-10-14 | 488193 | 42-203-30663 | WILLIAMS UNIT #1 | TEX-OK ENERGY, LTD PARTNERSHIP | RECOMP | 11,008 | |
| 1999-10-05 | 488158 | 42-203-32529 | TAYLOR, W. B. "A" #7 | SEAGULL ENERGY E&P INC. | RECOMP | 7,850 | |
| 1999-10-01 | 488046 | 42-203-32574 | CUTBIRTH ESTATE GAS UNIT #3 | CROSS TIMBERS OPERATING COMPANY | DRILL | 10,000 | |
| 1999-10-01 | 488046 | 42-203-32574 | CUTBIRTH ESTATE GAS UNIT #3 | CROSS TIMBERS OPERATING COMPANY | DRILL | 11,000 | |
| 1999-10-01 | 488046 | 42-203-32574 | CUTBIRTH ESTATE GAS UNIT #3 | CROSS TIMBERS OPERATING COMPANY | DRILL | 11,000 | |
| 1999-09-30 | 487954 | 42-203-31330 | CARGILL GAS UNIT #11 | BRAMMER-KEYSTONE ENERGY, L.L.C. | RECOMP | 6,300 | |
| 1999-09-27 | 487127 | 42-203-31082 | MCELROY-CHATHAM GAS UNIT #2 | BUFFCO PRODUCTION INC. | RECOMP | 10,050 | |
| 1999-09-23 | 487855 | 42-203-32573 | ABNEY-ISSACS #12 | O'BENCO, INC. | DRILL | 2,000 | |
| 1999-09-20 | 487727 | 42-203-32572 | ABNEY-ISSACS #11 | O'BENCO, INC. | DRILL | 2,000 | |
| 1999-09-20 | 486340 | 42-203-31855 | CARGILL #1 | REDSTONE OIL & GAS COMPANY | RECOMP | 6,400 | |
| 1999-09-17 | 487621 | 42-203-32570 | WILLIAMS, IVY HEIRS #8 | CROSS TIMBERS OPERATING COMPANY | DRILL | 10,000 | |
| 1999-09-10 | 487415 | 42-203-32383 | WILLIAMS GAS UNIT #2 #2 | SHELBY OPERATING COMPANY | RECOMP | 8,400 | |
| 1999-09-01 | 487126 | 42-203-30166 | SCOTT, T. P. #3 | SEAGULL ENERGY E&P INC. | RECOMP | 7,729 | |
| 1999-08-27 | 486948 | 42-203-32568 | MOBLEY GAS UNIT #3 | VALENCE OPERATING COMPANY | DRILL | 10,400 | |
| 1999-08-26 | 486947 | 42-203-32569 | KNOX, D. & E. K. #7 | CROSS TIMBERS OPERATING COMPANY | DRILL | 9,500 | |
| 1999-08-26 | 486947 | 42-203-32569 | KNOX, D. & E. K. #7 | CROSS TIMBERS OPERATING COMPANY | DRILL | 9,500 | |
| 1999-08-20 | 486798 | 42-203-32363 | TAYLOR, TRACY #2 | SHELBY OPERATING COMPANY | RECOMP | 6,442 | |
| 1999-08-13 | 486601 | 42-203-31648 | O'BANION #3A | SEAGULL ENERGY E&P INC. | RECOMP | 6,510 | |
| 1999-08-03 | 486304 | 42-203-32566 | LEDBETTER-JONES #6 | CROSS TIMBERS OPERATING COMPANY | DRILL | 9,500 | |
| 1999-08-03 | 486303 | 42-203-32567 | ALLEN, W. H. ESTATE #9 | CROSS TIMBERS OPERATING COMPANY | DRILL | 9,500 | |
| 1999-07-26 | 486123 | 42-203-31788 | TAYLOR, W. B. #8C | SEAGULL ENERGY E&P INC. | RECOMP | 9,550 | |
| 1999-07-26 | 486116 | 42-203-32383 | WILLIAMS #2 | SHELBY OPERATING COMPANY | RECOMP | 8,400 | |
| 1999-07-22 | 486058 | 42-203-32073 | J. G. CHAPMAN GAS UNIT "B" #5U | AMOCO PRODUCTION COMPANY | RECOMP | 10,000 | |
| 1999-07-22 | 486058 | 42-203-32073 | J. G. CHAPMAN GAS UNIT "B" #5 | AMOCO PRODUCTION COMPANY | RECOMP | 10,000 | |
| 1999-07-13 | 485784 | 42-203-32565 | HUGHES, DELLA #12 | CROSS TIMBERS OPERATING COMPANY | DRILL | 9,500 | |
| 1999-07-13 | 485784 | 42-203-32565 | HUGHES, DELLA #12 | CROSS TIMBERS OPERATING COMPANY | DRILL | 9,500 | |
| 1999-07-12 | 485750 | 42-203-32564 | KNOX, DEE #10 | CROSS TIMBERS OPERATING COMPANY | DRILL | 9,500 | |
| 1999-06-28 | 485451 | 42-203-32528 | ABNEY, C. M. "B" #13U | SEAGULL ENERGY E&P INC. | RECOMP | 8,100 | |
| 1999-06-23 | 485346 | 42-203-30628 | FINDLEY GAS UNIT "A" #4 | AMOCO PRODUCTION COMPANY | RECOMP | 10,000 | |
| 1999-06-18 | 485185 | 42-203-32563 | DAVIS, FRANK ESTATE #4A | TIPCO OPERATING CO. | DRILL | 7,200 | |
| 1999-06-15 | 485171 | 42-203-31716 | TAYLOR, W. B. #7 | SEAGULL ENERGY E&P INC. | RECOMP | 7,800 | |
| 1999-06-09 | 485027 | 42-203-31911 | BRYSON "A" UNIT #4 | PENNZENERGY EXP. & PROD., L.L.C. | RECOMP | 9,596 | |
| 1999-05-11 | 484451 | 42-203-32257 | MCLOFFLIN UNIT #16 | BRAMMER-KEYSTONE ENERGY, L.L.C. | RECOMP | 7,700 | |
| 1999-04-12 | 483735 | 42-203-32424 | FIELD-ISSACS #11L | SEAGULL ENERGY E&P INC. | RECOMP | 9,650 | |
| 1999-03-31 | 483590 | 42-203-32562 | JOHNSON #1 | SUNLAND PRODUCTION COMPANY, INC. | DRILL | 7,000 | |
| 1999-03-12 | 483253 | 42-203-31618 | RUBEN PIERCE GAS UNIT #2 | BRAMMER-KEYSTONE ENERGY, L.L.C. | RECOMP | 9,700 | |
| 1999-03-11 | 483248 | 42-203-32561 | RHODES "A" #1 | ENRON OIL & GAS COMPANY | DRILL | 7,500 | |
| 1999-03-08 | 483164 | 42-203-31014 | JOHNSON "A" #2 | HOPEWELL OPERATING, INC. | RECOMP | 6,512 | |
| 1999-03-08 | 483096 | 42-203-32109 | DAVIS, ALBERT #3 | SEAGULL ENERGY E&P INC. | RECOMP | 8,050 | |
| 1999-02-19 | 482832 | 42-203-31695 | MCLOFFLIN UNIT #6 | BRAMMER-KEYSTONE ENERGY, L.L.C. | RECOMP | 8,000 | |
| 1999-02-15 | 482664 | 42-203-32423 | FIELD-ISAACS #10L | SEAGULL ENERGY E&P INC. | RECOMP | 7,410 | |