| 1998-11-20 | 481057 | 42-211-32324 | ISAACS 208 #4 | SAMSON LONE STAR LP | DRILL | 10,800 | |
| 1998-11-20 | 481057 | 42-211-32324 | ISAACS 208 #4 | SAMSON LONE STAR LP | DRILL | 10,800 | |
| 1998-11-19 | 480722 | 42-211-32322 | WHITENER, ADA #2047 | CRESCENDO RESOURCES, L.P. | DRILL | 8,800 | |
| 1998-11-16 | 480918 | 42-211-32323 | SUMPTER 10 #3 | ENRON OIL & GAS COMPANY | DRILL | 15,550 | |
| 1998-10-26 | 480338 | 42-211-32320 | FLOWERS #2015 | BRACKEN OPERATING, L.L.C. | DRILL | 8,200 | |
| 1998-10-22 | 480367 | 42-211-32321 | ZYBACH #1 | BARRETT RESOURCES CORPORATION | DRILL | 9,200 | |
| 1998-10-19 | 480254 | 42-211-32319 | PATRICIA II #1 | BRIGHAM OIL & GAS, L.P. | DRILL | 8,900 | |
| 1998-10-15 | 480173 | 42-211-32318 | ALEXANDER #3 | BARRETT RESOURCES CORPORATION | DRILL | 14,100 | |
| 1998-10-15 | 480118 | 42-211-30277 | NORRIS #2 | DEVON ENERGY CORPORATION(NEVADA) | RECOMP | 10,500 | |
| 1998-10-08 | 479986 | 42-211-32317 | CHRISTOPHER 84 #2 | BRIGHAM OIL & GAS, L.P. | DRILL | 12,500 | |
| 1998-10-06 | 479791 | 42-211-32315 | SHELL FEE #2051 | BRACKEN OPERATING, L.L.C. | DRILL | 8,300 | |
| 1998-10-02 | 479887 | 42-211-32316 | DIANE 62 #1 | BRIGHAM OIL & GAS, L.P. | DRILL | 11,600 | |
| 1998-09-01 | 477634 | 42-211-32307 | JONES #4 | SPRING RESOURCES, INC. | DRILL | 12,900 | |
| 1998-08-25 | 478908 | 42-211-30974 | JARVIS, BILLY & SONS, INC. #7 | CRESCENDO RESOURCES, L.P. | RECOMP | 11,850 | |
| 1998-08-19 | 478838 | 42-211-31493 | WEATHERBY 2 #1 | BRIGHAM OIL & GAS, L.P. | RENTR | 13,000 | |
| 1998-08-19 | 478837 | 42-211-32314 | CASEY 10 #1 | BRIGHAM OIL & GAS, L.P. | DRILL | 15,000 | |
| 1998-08-19 | 478837 | 42-211-32314 | CASEY 10 #1 | BRIGHAM OIL & GAS, L.P. | DRILL | 15,000 | |
| 1998-08-18 | 478773 | 42-211-32313 | HOBART RANCH #2058 | H & L OPERATING COMPANY | DRILL | 8,200 | |
| 1998-08-18 | 478770 | 42-211-32312 | BUCKTHAL-HELTON UNIT #1025 | CRESCENDO RESOURCES, L.P. | DRILL | 8,200 | |
| 1998-08-17 | 478693 | 42-211-30081 | COOK #1A | CORLENA OIL COMPANY | RECOMP | 19,600 | |
| 1998-08-03 | 477473 | 42-211-32303 | DODD #2 | SPRING RESOURCES, INC. | DRILL | 14,700 | |
| 1998-07-30 | 477703 | 42-211-32308 | MATHERS #9014 | SEAGULL ENERGY E&P INC. | DRILL | 12,020 | |
| 1998-07-23 | 478168 | 42-211-32311 | WEBB, ARTHUR ET AL "T" #3 | CRESCENDO RESOURCES, L.P. | DRILL | 11,450 | |
| 1998-07-16 | 478001 | 42-211-32310 | ZACH UNIT 3 #1 | BRIGHAM OIL & GAS, L.P. | DRILL | 13,500 | |
| 1998-07-16 | 478001 | 42-211-32310 | URSCHEL, L. B. #24 | AMOCO PRODUCTION COMPANY | DRILL | 6,700 | |
| 1998-07-14 | 477943 | 42-211-30113 | MATHERS RANCH #10 | OCEAN ENERGY, INC. | RECOMP | 13,550 | |
| 1998-07-13 | 477889 | 42-211-32309 | FLOWERS #1020 | COURSON OIL & GAS, INC. | DRILL | 8,750 | |
| 1998-07-01 | 477542 | 42-211-32306 | RAMP #1050 | BRACKEN OPERATING, L.L.C. | DRILL | 8,300 | |
| 1998-07-01 | 477519 | 42-211-32305 | FILLINGIM #1055 | BRACKEN OPERATING, L.L.C. | DRILL | 8,300 | |
| 1998-07-01 | 477512 | 42-211-32304 | SANDRA #1 | UPLAND RESOURCES, INC. | DRILL | 8,320 | |
| 1998-06-18 | 477043 | 42-211-32300 | KRITSER #1 | CANYON EXPLORATION CO. | DRILL | 8,400 | |
| 1998-06-16 | 477104 | 42-211-32301 | RAMP #1010 | BRACKEN OPERATING, L.L.C. | DRILL | 8,300 | |
| 1998-06-16 | 477102 | 42-211-32302 | YARNOLD #1042 | BRACKEN OPERATING, L.L.C. | DRILL | 8,300 | |
| 1998-06-10 | 476932 | 42-211-32299 | NIX, WILLIAM DALE "R" #2089 | CRESCENDO RESOURCES, L.P. | DRILL | 12,800 | |
| 1998-06-02 | 476042 | 42-211-32295 | LADONNA #1 | CANYON EXPLORATION CO. | DRILL | 8,400 | |
| 1998-05-28 | 476608 | 42-211-32298 | WHITENER, ADA #1047 | CRESCENDO RESOURCES, L.P. | DRILL | 8,700 | |
| 1998-05-26 | 476563 | 42-211-32297 | COURTNEY 31 #1 | BRIGHAM OIL & GAS, L.P. | DRILL | 8,950 | |
| 1998-05-15 | 476341 | 42-211-30572 | RAMP 30 #1 | BRIGHAM OIL & GAS, L.P. | RENTR | 8,900 | |
| 1998-05-01 | 475880 | 42-211-30479 | JONES R #2 | PHILLIPS PETROLEUM COMPANY | RECOMP | 8,202 | |
| 1998-05-01 | 475718 | 42-211-32294 | FLOWERS #1015 | BRACKEN OPERATING, L.L.C. | DRILL | 8,200 | |
| 1998-04-28 | 474388 | 42-211-32283 | LOTTIE MAE #2 | KAISER-FRANCIS OIL COMPANY | DRILL | 12,225 | |
| 1998-04-22 | 475529 | 42-211-32293 | MCQUIDDY #204 | SAMSON LONE STAR LP | DRILL | 13,400 | |
| 1998-04-17 | 474656 | 42-211-32287 | URSCHEL "A" #1 | UNIT PETROLEUM COMPANY | DRILL | 7,750 | |
| 1998-04-16 | 475294 | 42-211-30658 | MORRIS, ORA #1 | CRESCENDO RESOURCES, L.P. | RECOMP | 8,438 | |
| 1998-04-14 | 474959 | 42-211-32289 | BRAINARD, E. S. F. "M" #4 | CRESCENDO RESOURCES, L.P. | DRILL | 12,800 | |
| 1998-04-14 | 474959 | 42-211-32289 | BRAINARD, E. S. F. "M" #4 | CRESCENDO RESOURCES, L.P. | DRILL | 13,183 | |
| 1998-04-13 | 475236 | 42-211-32291 | BOWERS #2251 | DEVON ENERGY CORPORATION(NEVADA) | DRILL | 15,150 | |
| 1998-04-08 | 475133 | 42-211-32290 | ALEXANDER #2 | BARRETT RESOURCES CORPORATION | DRILL | 14,100 | |
| 1998-04-07 | 471325 | 42-211-32266 | CHANDLER #435 | APACHE CORPORATION | DRILL | 16,000 | |
| 1998-04-06 | 473690 | 42-211-31877 | HUMPHREYS #7 | SUOCO OIL CORP. | RECOMP | 8,000 | |