| 2000-01-21 | 491326 | 42-137-31534 | HOLMAN-FAGAN #4302 | MARSHALL & WINSTON, INC. | DRILL | 7,800 | |
| 2000-01-21 | 491325 | 42-137-31533 | HOLMAN-FAGAN #4102 | MARSHALL & WINSTON, INC. | DRILL | 7,800 | |
| 1999-12-29 | 490706 | 42-137-31531 | NEWBY G.U. 4 #1 | TESORO E&P COMPANY, L.P. | DRILL | 10,100 | |
| 1999-12-21 | 490561 | 42-137-31530 | JENKINS, F. J. "A" #802 | DREYFUS, LOUIS NATURAL GAS CORP | DRILL | 4,250 | |
| 1999-12-08 | 490155 | 42-137-31529 | EARWOOD "A" #5 | TESORO E&P COMPANY, L.P. | DRILL | 10,100 | |
| 1999-11-30 | 489892 | 42-137-31528 | TURNEY "194" #1 | EOG RESOURCES, INC. | DRILL | 7,200 | |
| 1999-11-10 | 489405 | 42-137-31527 | JENKINS, F. J. "B" #903 | DREYFUS, LOUIS NATURAL GAS CORP | DRILL | 4,250 | |
| 1999-11-10 | 489404 | 42-137-31526 | JENKINS, F. J. "A" #803 | DREYFUS, LOUIS NATURAL GAS CORP | DRILL | 4,250 | |
| 1999-11-10 | 489403 | 42-137-31525 | JENKINS, F. J. "D" #1302 | DREYFUS, LOUIS NATURAL GAS CORP | DRILL | 4,200 | |
| 1999-11-03 | 488993 | 42-137-31524 | SHANKLIN UNIT #1 | CICO OIL & GAS CO. | DRILL | 6,500 | |
| 1999-10-27 | 488914 | 42-137-31386 | BAKER, ROY #4603 | BURLINGTON RESOURCES OIL&GAS CO. | RECOMP | 5,206 | |
| 1999-10-27 | 488914 | 42-137-31386 | BAKER, ROY #4603 | BURLINGTON RESOURCES OIL&GAS CO. | RECOMP | 4,540 | |
| 1999-10-13 | 488468 | 42-137-31523 | EARWOOD RANCH B #3 | TESORO E&P COMPANY, L.P. | DRILL | 10,000 | |
| 1999-10-06 | 488103 | 42-137-31522 | PFLUGER #1 | RIO-TEX, INC. | DRILL | 9,000 | |
| 1999-09-28 | 488011 | 42-137-31521 | TEXAS A & M -69- #2 | JOHNSON & LINDLEY, INC. | DRILL | 9,000 | |
| 1999-09-28 | 488011 | 42-137-31521 | TEXAS A & M -69- #2 | JOHNSON & LINDLEY, INC. | DRILL | 9,000 | |
| 1999-09-24 | 487623 | 42-137-31520 | GREER, JAMES L. #5801 | RIO-TEX, INC. | DRILL | 9,000 | |
| 1999-09-09 | 487405 | 42-137-31519 | COLTON-WILLIAMS "45" #1 | BLUE RIDGE GROUP, INC. | DRILL | 8,000 | |
| 1999-09-03 | 487214 | 42-137-31518 | SMART "7" #1 | RANGE PRODUCTION COMPANY | DRILL | 13,000 | |
| 1999-08-31 | 487143 | 42-137-31517 | TEXAS A & M -63- #1 | JOHNSON & LINDLEY, INC. | DRILL | 9,000 | |
| 1999-08-19 | 486810 | 42-137-31516 | HOLMAN-FAGAN #4301 | MARSHALL & WINSTON, INC. | DRILL | 7,400 | |
| 1999-08-19 | 486809 | 42-137-31515 | HOLMAN-FAGAN #4101 | MARSHALL & WINSTON, INC. | DRILL | 7,400 | |
| 1999-08-17 | 486689 | 42-137-31457 | GREER, JAMES L. #1 | RIO-TEX, INC. | FLD-XFR | 9,000 | |
| 1999-07-23 | 486128 | 42-137-31514 | EPPERSON #1 | QUALIA, C. F. OPERATING INC. | DRILL | 3,800 | |
| 1999-06-25 | 485481 | 42-137-31513 | WARDLAW, L. J. ESTATE "A" #129 | HERITAGE PETROLEUM CORPORATION | DRILL | 330 | |
| 1999-06-25 | 485480 | 42-137-31512 | WARDLAW, L. J. ESTATE "A" #128 | HERITAGE PETROLEUM CORPORATION | DRILL | 330 | |
| 1999-06-25 | 485479 | 42-137-31511 | WARDLAW, L. J. ESTATE "A" #127 | HERITAGE PETROLEUM CORPORATION | DRILL | 330 | |
| 1999-06-25 | 485478 | 42-137-31510 | WARDLAW, L. J. ESTATE "A" #126 | HERITAGE PETROLEUM CORPORATION | DRILL | 330 | |
| 1999-06-25 | 485477 | 42-137-31509 | WARDLAW, L. J. ESTATE "A" #125 | HERITAGE PETROLEUM CORPORATION | DRILL | 330 | |
| 1999-05-20 | 484686 | 42-137-31507 | WARDLAW ESTATE, L. J. "A" #123 | HERITAGE PETROLEUM CORPORATION | DRILL | 330 | |
| 1999-05-20 | 484685 | 42-137-31508 | WARDLAW ESTATE, L. J. "A" #124 | HERITAGE PETROLEUM CORPORATION | DRILL | 330 | |
| 1999-03-01 | 482990 | 42-137-31506 | HOLMAN-FAGAN #4202 | MARSHALL & WINSTON, INC. | DRILL | 8,500 | |
| 1999-02-17 | 482748 | 42-137-31505 | NEWBY G. U. 3 #1 | TESORO E&P COMPANY, L.P. | DRILL | 10,300 | |
| 1999-02-17 | 482747 | 42-137-31504 | EARWOOD A #4 | TESORO E&P COMPANY, L.P. | DRILL | 10,100 | |
| 1999-01-29 | 482353 | 42-137-31503 | HOLMAN-FAGAN 44 #2 | ENRON OIL & GAS COMPANY | DRILL | 7,500 | |
| 1998-12-21 | 481694 | 42-137-31502 | SPECK 6 #1 | DREYFUS, LOUIS NATURAL GAS CORP | DRILL | 10,700 | |
| 1998-12-07 | 481287 | 42-137-31450 | MIERS, W. L. -B- #57SW | RANGE PRODUCTION COMPANY | RECOMP | 5,799 | |
| 1998-10-28 | 480518 | 42-137-31501 | MIERS, W. L. -C- #33 | RANGE PRODUCTION COMPANY | DRILL | 7,000 | |
| 1998-10-19 | 480105 | 42-137-31500 | NEWBY #1 | ENRON OIL & GAS COMPANY | DRILL | 10,000 | |
| 1998-10-13 | 479915 | 42-137-31498 | FAGAN, HOLMAN "44" #1 | ENRON OIL & GAS COMPANY | DRILL | 7,500 | |
| 1998-10-08 | 479975 | 42-137-31499 | STEWART #2 | QUALIA, C. F. OPERATING INC. | DRILL | 3,500 | |
| 1998-09-28 | 479747 | 42-137-31497 | TURNEY-SCHENKEL #1931 | ATHANOR TEXAS INC. | DRILL | 8,000 | |
| 1998-09-16 | 479415 | 42-137-31496 | MOODY RANCH 12 #1 | RANGE PRODUCTION COMPANY | DRILL | 6,600 | Y |
| 1998-09-16 | 479415 | 42-137-31496 | MOODY RANCH 12 #1 | RANGE PRODUCTION COMPANY | DRILL | 8,000 | Y |
| 1998-08-31 | 479147 | 42-137-31495 | EARWOOD RANCH "A" #3 | TESORO E&P COMPANY, L.P. | DRILL | 10,500 | |
| 1998-08-31 | 479087 | 42-137-31493 | HOLMAN-FAGAN #4602 | MARSHALL & WINSTON, INC. | DRILL | 8,200 | |
| 1998-08-31 | 479086 | 42-137-31494 | HULLABALOO #1 | MARSHALL & WINSTON, INC. | DRILL | 8,200 | |
| 1998-08-31 | 479085 | 42-137-31492 | SPIRIT "A" #1 | MARSHALL & WINSTON, INC. | DRILL | 8,200 | |
| 1998-06-26 | 477483 | 42-137-31489 | WARDLAW, L. J. ESTATE "A" #86 | HERITAGE PETROLEUM CORPORATION | DRILL | 500 | |
| 1998-06-26 | 477482 | 42-137-31490 | WARDLAW, L. J. ESTATE "A" #87 | HERITAGE PETROLEUM CORPORATION | DRILL | 500 | |