| 1998-10-16 | 480086 | 42-105-38200 | HENDERSON #5 | WTG EXPLORATION | DRILL | 7,500 | |
| 1998-10-14 | 480163 | 42-105-38202 | UNIVERSITY "24-29" #6 | VINSON EXPLORATION | DRILL | 1,700 | |
| 1998-10-08 | 480019 | 42-105-38199 | PIERCE 22-18 #1 | QUESTA OIL & GAS CO. | DRILL | 11,000 | |
| 1998-10-05 | 479906 | 42-105-38198 | UNIVERSITY "33-L" #1 | VINSON EXPLORATION | DRILL | 1,550 | |
| 1998-10-05 | 479906 | 42-105-38198 | UNIVERSITY "33-L" #1 | VINSON EXPLORATION | DRILL | 1,552 | |
| 1998-10-02 | 479836 | 42-105-38195 | DANIEL, M. K. 112 "A" #8 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-10-02 | 479835 | 42-105-38196 | DANIEL, M. K. 111 "A" #5 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-10-02 | 479834 | 42-105-38197 | DANIEL, M. K. 111 "A" #6 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-09-25 | 479722 | 42-105-38194 | MCMULLAN 36 #4R | PIONEER NATURAL RES. USA, INC. | DRILL | 9,400 | |
| 1998-09-22 | 479539 | 42-105-38189 | BLACK, HALLIE "8" #4 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-09-22 | 479538 | 42-105-38190 | BLACK, HALLIE "9" #3 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-09-22 | 479537 | 42-105-38191 | BLACK, HALLIE "9" #4 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-09-22 | 479536 | 42-105-38193 | DANIEL, M. K. 111 "A" #3 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-09-22 | 479536 | 42-105-38193 | DANIEL, M. K. 111 "A" #3 | OCCIDENTAL PERMIAN LTD. | DRILL | 6,300 | |
| 1998-09-22 | 479535 | 42-105-38484 | DANIEL, M. K. 111 "A" #4 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-09-22 | 479534 | 42-105-38188 | DANIEL, M. K. 112 "A" #6 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-09-11 | 478823 | 42-105-38187 | MCMULLAN 37 #6 | PIONEER NATURAL RES. USA, INC. | DRILL | 9,400 | |
| 1998-09-11 | 478823 | 42-105-38187 | MCMULLAN 37 #6 | PIONEER NATURAL RES. USA, INC. | DRILL | 9,600 | |
| 1998-09-11 | 478823 | 42-105-38187 | MCMULLAN 37 #6 | PIONEER NATURAL RES. USA, INC. | DRILL | 9,600 | |
| 1998-09-04 | 478821 | 42-105-38185 | MCMULLAN 36 #5 | PIONEER NATURAL RES. USA, INC. | DRILL | 9,200 | |
| 1998-09-02 | 478601 | 42-105-38183 | COUCH #3 | PIONEER NATURAL RES. USA, INC. | DRILL | 6,900 | |
| 1998-09-01 | 478753 | 42-105-34081 | STATE UNIVERSITY EY #1 | HILLIN, T. A. | RECOMP | 8,265 | |
| 1998-08-26 | 478684 | 42-105-38184 | VAUGHAN 83 #2 | THOMPSON, J. CLEO | DRILL | 8,000 | |
| 1998-08-18 | 478822 | 42-105-38186 | MCMULLAN 36 #4 | PIONEER NATURAL RES. USA, INC. | DRILL | 9,400 | |
| 1998-08-18 | 478822 | 42-105-38186 | MCMULLAN 36 #4 | PIONEER NATURAL RES. USA, INC. | DRILL | 9,400 | |
| 1998-08-06 | 478549 | 42-105-37117 | MITCHELL #22H | SONAT EXPLORATION CO. - MIDLAND | RECOMP | 13,148 | Y |
| 1998-08-06 | 478549 | 42-105-37117 | MITCHELL #22 | ALTURA ENERGY LTD. | RECOMP | 13,330 | |
| 1998-08-05 | 478132 | 42-105-38174 | MCDONALD 12 #9 | PIONEER NATURAL RES. USA, INC. | DRILL | 6,600 | |
| 1998-08-03 | 478395 | 42-105-38182 | HENDERSON 27 #2 | THOMPSON, J. CLEO | DRILL | 10,000 | Y |
| 1998-07-31 | 478226 | 42-105-38176 | BLACK, HALLIE "3" #4 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-07-28 | 478224 | 42-105-38179 | BLACK, HALLIE "8" #1 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-07-28 | 478223 | 42-105-38178 | BLACK, HALLIE "9" #2 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-07-28 | 478222 | 42-105-38177 | BLACK, HALLIE "8" #3 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-07-22 | 478191 | 42-105-33052 | HENDERSON, JOHN LEE JR. #7 | PIONEER NATURAL RES. USA, INC. | RECOMP | 9,420 | |
| 1998-07-21 | 478158 | 42-105-38406 | MCMULLAN, R. B. "A" #3 | PIONEER NATURAL RES. USA, INC. | DRILL | 9,350 | |
| 1998-07-21 | 478033 | 42-105-38173 | MCDONALD 12 #8 | PIONEER NATURAL RES. USA, INC. | DRILL | 6,600 | |
| 1998-07-20 | 478133 | 42-105-33035 | HENDERSON, JOHN LEE JR #6 | PIONEER NATURAL RES. USA, INC. | RECOMP | 9,440 | |
| 1998-07-17 | 476966 | 42-105-38151 | COUCH "29" #10 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,400 | |
| 1998-07-17 | 476966 | 42-105-38151 | COUCH 29 #10 | DEVON ENERGY CORPORATION(NEVADA) | DRILL | 7,160 | |
| 1998-07-17 | 476962 | 42-105-38154 | MONTGOMERY, C. C. "10" #14 | UNION PACIFIC RESOURCES COMPANY | DRILL | 6,900 | |
| 1998-07-15 | 477989 | 42-105-33161 | MCMULLAN, R. B. #1 | PIONEER NATURAL RES. USA, INC. | RECOMP | 8,700 | |
| 1998-07-13 | 477886 | 42-105-38172 | MCDONALD "A" #15R | PIONEER NATURAL RES. USA, INC. | DRILL | 8,700 | |
| 1998-07-10 | 477710 | 42-105-38171 | DANIEL, M. K. "110" #2 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-07-10 | 477709 | 42-105-38170 | DANIEL, M. K. "110" #3 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-07-10 | 477220 | 42-105-38162 | ROBERTSON 6D #5 | PIONEER NATURAL RES. USA, INC. | DRILL | 7,050 | |
| 1998-07-10 | 477219 | 42-105-38161 | ROBERTSON 6D #6 | PIONEER NATURAL RES. USA, INC. | DRILL | 7,050 | |
| 1998-07-10 | 476952 | 42-105-38150 | COUCH "30" #12 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,500 | |
| 1998-07-09 | 477191 | 42-105-37240 | HENDERSON, JOHN LEE JR. A #4 | PIONEER NATURAL RES. USA, INC. | RECOMP | 9,250 | |
| 1998-07-08 | 477705 | 42-105-38169 | BLACK, HALLIE "9" #1 | ALTURA ENERGY LTD. | DRILL | 6,500 | |
| 1998-07-08 | 477627 | 42-105-38167 | MCDONALD "A" #15 | PIONEER NATURAL RES. USA, INC. | DRILL | 8,700 | |