| 1999-08-26 | 486794 | 42-331-33513 | RAYMOND FEE #2A | RAYMOND, WM. C. | DRILL | 1,275 | |
| 1999-07-15 | 485850 | 42-331-33512 | KYLE #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,100 | Y |
| 1999-06-09 | 484979 | 42-331-33511 | SHIMEK-HOPPE UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,350 | Y |
| 1999-06-09 | 484979 | 42-331-33511 | SHIMEK-HOPPE UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,350 | Y |
| 1999-05-12 | 484437 | 42-331-33510 | ELY #3 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,500 | Y |
| 1999-05-12 | 484437 | 42-331-33510 | ELY #3 | UNION PACIFIC RESOURCES COMPANY | DRILL | 5,926 | Y |
| 1999-04-13 | 483820 | 42-331-33509 | CUNNINGHAM #2 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,047 | Y |
| 1999-04-13 | 483820 | 42-331-33509 | CUNNINGHAM #2 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,005 | Y |
| 1998-12-01 | 481161 | 42-331-33508 | THRESHER #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 9,700 | |
| 1998-05-29 | 476418 | 42-331-00393 | SMITH #1 #1 | DELTEX MINERALS INC. | RENTR | 4,559 | |
| 1998-04-03 | 474995 | 42-331-33507 | BUNDICK-WELLS UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,500 | Y |
| 1998-03-20 | 474597 | 42-331-33506 | WOLF DEN UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,000 | Y |
| 1998-03-05 | 473502 | 42-331-33503 | RAYMOND FEE #3 | RAYMOND, WM. C. | DRILL | 1,300 | |
| 1998-03-05 | 473501 | 42-331-33502 | RAYMOND FEE #4 | RAYMOND, WM. C. | DRILL | 1,300 | |
| 1998-03-04 | 474030 | 42-331-33505 | MCCRARY UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,500 | Y |
| 1998-03-04 | 474030 | 42-331-33505 | MCCRARY UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,500 | Y |
| 1998-02-25 | 473515 | 42-331-33504 | RAYMOND FEE #2 | RAYMOND, WM. C. | DRILL | 1,300 | |
| 1998-02-06 | 473022 | 42-331-33498 | BUSCH, R. D. #17 | ROSENTHAL, STANLEY H. | DRILL | 2,200 | |
| 1998-02-06 | 473021 | 42-331-33499 | BUSCH, R. D. #16 | ROSENTHAL, STANLEY H. | DRILL | 2,200 | |
| 1998-02-06 | 473020 | 42-331-33500 | BUSCH, R. D. #9 | ROSENTHAL, STANLEY H. | DRILL | 2,200 | |
| 1998-02-06 | 473019 | 42-331-33501 | BUSCH, R. D. #6 | ROSENTHAL, STANLEY H. | DRILL | 2,200 | |
| 1998-02-06 | 473018 | 42-331-33497 | BUSCH, R. D. #10 | ROSENTHAL, STANLEY H. | DRILL | 2,200 | |
| 1998-02-02 | 472844 | 42-331-33496 | NIGHT HAWK UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,000 | Y |
| 1998-02-02 | 472844 | 42-331-33496 | NIGHT HAWK UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,000 | Y |
| 1998-01-29 | 472751 | 42-331-33495 | MEXIA UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,500 | Y |
| 1998-01-29 | 472751 | 42-331-33495 | MEXIA UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,500 | Y |
| 1997-12-23 | 471576 | 42-331-33494 | BUSCH, R. D. #7 | ROSENTHAL, STANLEY H. | DRILL | 2,200 | |
| 1997-12-16 | 471269 | 42-331-33493 | ANDREWS UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,700 | Y |
| 1997-11-24 | 470454 | 42-331-33492 | WEATHERFORD UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,000 | Y |
| 1997-11-06 | 469651 | 42-331-33491 | WOLF UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,000 | Y |
| 1997-10-31 | 469004 | 42-331-33489 | RAYMOND FEE #1 | RAYMOND, WM. C. | DRILL | 1,400 | |
| 1997-10-27 | 469349 | 42-331-33490 | ROACH, D. B. #1 | WADI PETROLEUM, INC. | DRILL | 3,700 | |
| 1997-09-15 | 467551 | 42-331-33488 | HOLDEN-MOORE UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,300 | Y |
| 1997-09-08 | 467260 | 42-331-33487 | SHAW UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,400 | Y |
| 1997-08-05 | 465841 | 42-331-33486 | COX TRUST UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,700 | Y |
| 1997-07-24 | 465344 | 42-331-33485 | FRAZIER-GALL UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,800 | Y |
| 1997-07-24 | 465344 | 42-331-33485 | FRAZIER-GALL UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,800 | Y |
| 1997-06-26 | 463950 | 42-331-33484 | BAILEY-HANN UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,500 | Y |
| 1997-06-13 | 463747 | 42-331-33483 | MUSK OX UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 3,500 | Y |
| 1997-06-13 | 463747 | 42-331-33483 | MUSK OX UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 3,500 | Y |
| 1997-06-05 | 463351 | 42-331-33482 | BROWN-ELY UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,500 | Y |
| 1997-06-05 | 463351 | 42-331-33482 | BROWN-ELY UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,500 | Y |
| 1997-05-22 | 462526 | 42-331-33481 | ALBRIGHT-WEATHERFORD UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,900 | Y |
| 1997-05-22 | 462526 | 42-331-33481 | ALBRIGHT-WEATHERFORD UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,900 | Y |
| 1997-05-20 | 461329 | 42-331-30281 | THIELEMANN, ALBERT #01 | HOUSTON PET. CO. | RECOMP | 6,069 | |
| 1997-04-30 | 461741 | 42-331-33480 | FRAZIER UNIT #1 | WILLIAMS, CLAYTON ENERGY, INC. | DRILL | 6,500 | Y |
| 1997-04-22 | 461219 | 42-331-33479 | CARTWRIGHT-MOORE UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,100 | Y |
| 1997-04-22 | 461219 | 42-331-33479 | CARTWRIGHT-MOORE UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,100 | Y |
| 1997-03-17 | 459927 | 42-331-33478 | ROBERTS #2 | 3R-B OIL VENTURE | DRILL | 2,500 | |
| 1997-03-10 | 459274 | 42-331-33477 | MILLS-MCGEE TRUST UNIT #1 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,900 | Y |