| 1998-10-06 | 479943 | 42-057-31593 | STATE TRACT 125 #1A | VINTAGE PETROLEUM, INC. | DRILL | 3,700 | |
| 1998-09-30 | 479693 | 42-057-00512 | BOYD, FRANK #2 | TEXAS PETROLEUM INVESTMENT CO. | RECOMP | 5,763 | |
| 1998-08-05 | 478522 | 42-057-31592 | STATE TRACT NO. 76 #1 | ESENJAY PETROLEUM CORP. | DRILL | 10,500 | |
| 1998-07-23 | 478204 | 42-057-31591 | STATE OF TEXAS #1 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 6,100 | |
| 1998-07-22 | 478187 | 42-057-31590 | MATAGORDA ISL. ST. TR. "I-1" #1 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 7,759 | |
| 1998-07-17 | 478065 | 42-057-31589 | STATE TRACT NO.77 #3 | ESENJAY PETROLEUM CORP. | DRILL | 10,500 | |
| 1998-07-08 | 477777 | 42-057-31228 | ESPIRITU SANTO BAY ST. TR. 176 #4D | PETRO-GUARD PRODUCTION,L.L.C. | RECOMP | 2,000 | |
| 1998-07-07 | 477778 | 42-057-31330 | ESPIRITU SANTO BAY ST. TR 177 #5D | PETRO-GUARD PRODUCTION,L.L.C. | RECOMP | 1,850 | |
| 1998-07-07 | 477742 | 42-057-00510 | BOYD, HENRY C. #2 | TEXAS PETROLEUM INVESTMENT CO. | RECOMP | 5,760 | |
| 1998-06-30 | 477528 | 42-057-31588 | STATE TRACT 141 #1 | BOIS D'ARC OPERATING CORPORATION | DRILL | 6,500 | |
| 1998-06-26 | 477454 | 42-057-01297 | STATE TRACT 116 #1A | VINTAGE PETROLEUM, INC. | RECOMP | 9,300 | |
| 1998-06-26 | 477454 | 42-057-01297 | STATE TRACT 116 #1A | VINTAGE PETROLEUM, INC. | RECOMP | 9,600 | |
| 1998-06-24 | 477372 | 42-057-31226 | WEHMEYER EST. #2 | TSCHOEPE, ARTHUR J. | RECOMP | 9,500 | |
| 1998-06-04 | 476680 | 42-057-30875 | WELDER B #2 | ATASCA RESOURCES, INC. | RECOMP | 8,900 | |
| 1998-06-04 | 476679 | 42-057-31549 | WELDER, E. H. #56 | UNIT PETROLEUM COMPANY | FLD-XFR | 6,611 | |
| 1998-06-02 | 476787 | 42-057-31587 | CLAUDIUS BRANCH #1 | FAMCOR OIL, INC | DRILL | 6,500 | |
| 1998-05-28 | 476684 | 42-057-31325 | HARDIE, ELIZABETH K. #18 | EXXON CORP. | RECOMP | 8,299 | |
| 1998-05-01 | 475888 | 42-057-31586 | STATE TRACT -216- #18 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 6,200 | |
| 1998-05-01 | 475888 | 42-057-31586 | STATE TRACT -216- #18 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 6,200 | |
| 1998-05-01 | 475888 | 42-057-31586 | STATE TRACT -216- #18 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 6,200 | |
| 1998-05-01 | 475888 | 42-057-31586 | STATE TRACT -216- #18 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 6,200 | |
| 1998-04-30 | 475837 | 42-057-31584 | STATE TRACT 164 #4 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 9,600 | |
| 1998-04-30 | 475837 | 42-057-31584 | STATE TRACT 164 #4 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 10,800 | |
| 1998-04-30 | 475836 | 42-057-31585 | STATE TRACT -173- #2 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 5,950 | |
| 1998-04-09 | 475201 | 42-057-31583 | STATE TRACT -216- #16 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 6,200 | |
| 1998-04-06 | 474581 | 42-057-30262 | KNIPLING GAS UNIT #3 | SYNERGY OIL & GAS, INC. (A) | RECOMP | 9,036 | |
| 1998-03-27 | 474810 | 42-057-31581 | STATE TRACT -216- #17 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 6,200 | |
| 1998-03-26 | 474378 | 42-057-31569 | STATE TRACT 90 #1U | PRIME OPERATING COMPANY | RECOMP | 6,500 | |
| 1998-03-17 | 474429 | 42-057-31580 | STATE TRACT -215- #2 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 6,100 | |
| 1998-02-19 | 473550 | 42-057-31579 | AMERICAN NATIONAL INS. CO #4 | ADOBE ENERGY, INC. | DRILL | 7,000 | |
| 1998-02-17 | 473396 | 42-057-31553 | TRAYLOR, MAUDE B. "B" #B 6 | BURLINGTON RESOURCES OIL&GAS CO. | RECOMP | 13,352 | |
| 1998-02-12 | 473270 | 42-057-31578 | STATE TRACT -210- #5 | PETRO-GUARD PRODUCTION,L.L.C. | DRILL | 6,200 | |
| 1998-02-05 | 472986 | 42-057-31577 | WELDER "D" #3 | UNIT PETROLEUM COMPANY | DRILL | 6,500 | |
| 1997-12-01 | 470683 | 42-057-31576 | DEGOLYER #11 | PRIME OPERATING COMPANY | DRILL | 3,150 | |
| 1997-11-13 | 469513 | 42-057-31530 | BENNETT, W. H. #A 2 | SAN PATRICIO CORPORATION | RECOMP | 7,445 | |
| 1997-11-12 | 469628 | 42-057-31521 | BENNETT, W. H. #A 1 | MCGOWAN WORKING PARTNERS | RECOMP | 8,416 | |
| 1997-11-07 | 469746 | 42-057-31574 | WELDER "A" #54 | UNIT PETROLEUM COMPANY | DRILL | 6,500 | |
| 1997-11-07 | 469745 | 42-057-31575 | WELDER "A" #55 | UNIT PETROLEUM COMPANY | DRILL | 6,500 | |
| 1997-11-07 | 469745 | 42-057-31575 | WELDER "A" #55 | UNIT PETROLEUM COMPANY | DRILL | 6,700 | |
| 1997-11-07 | 469744 | 42-057-31573 | WELDER "A" #56 | UNIT PETROLEUM COMPANY | DRILL | 6,500 | |
| 1997-10-29 | 468320 | 42-057-31572 | STATE TRACT NO. 77 #2 | ESENJAY PETROLEUM CORP. | DRILL | 8,900 | |
| 1997-10-29 | 468320 | 42-057-31572 | STATE TRACT #7702 | ESENJAY EXPLORATION, INC | DRILL | 8,900 | |
| 1997-10-21 | 466999 | 42-057-31510 | WELDER B #15 | ATASCA RESOURCES, INC. | RECOMP | 7,970 | |
| 1997-10-16 | 468817 | 42-057-31571 | TRAYLOR, MAUDE B. #35 | PIONEER RESOURCES PRODUCING, L.P | DRILL | 9,000 | |
| 1997-09-25 | 468048 | 42-057-31523 | STATE TRACT 38 #6 | NEUMIN PRODUCTION COMPANY | RECOMP | 13,500 | |
| 1997-09-16 | 467507 | 42-057-31570 | TRAYLOR, MAUDE B. #34 | PARKER & PARSLEY PRODUCING L.P. | DRILL | 9,000 | |
| 1997-08-29 | 466947 | 42-057-31569 | STATE TRACT 90 #1 | PRIME OPERATING COMPANY | DRILL | 6,812 | |
| 1997-08-28 | 466818 | 42-057-31568 | WELDER "D" #2 | UNIT PETROLEUM COMPANY | DRILL | 6,500 | |
| 1997-08-27 | 466681 | 42-057-31567 | WELDER #A 53 | UNIT PETROLEUM COMPANY | DRILL | 8,600 | |
| 1997-08-22 | 466654 | 42-057-31566 | POWDERHORN RANCH #1 | PRIME OPERATING COMPANY | DRILL | 4,966 | |