| 1999-11-19 | 489671 | 42-211-32397 | ISAACS 125 #1 | MATADOR OPERATING COMPANY | DRILL | 8,250 | |
| 1999-11-10 | 489399 | 42-211-32396 | HUMPHREYS 46 #3 | EOG RESOURCES, INC. | DRILL | 11,650 | |
| 1999-11-10 | 489399 | 42-211-32396 | HUMPHREYS 46 #3 | EOG RESOURCES, INC. | DRILL | 11,530 | |
| 1999-11-05 | 489170 | 42-211-32395 | HUMPHREYS #4 | QUESTAR EXPL. AND PROD. CO. | DRILL | 7,300 | |
| 1999-10-29 | 488987 | 42-211-32394 | HUMPHREYS #3 | QUESTAR EXPL. AND PROD. CO. | DRILL | 7,300 | |
| 1999-10-27 | 488920 | 42-211-32393 | PARNELL #1252 | TWISTER EXPLORATION, L.L.C. | DRILL | 14,350 | |
| 1999-10-26 | 488737 | 42-211-32392 | HOBART RANCH #5069 | HELMERICH & PAYNE, INC. | DRILL | 11,500 | |
| 1999-10-26 | 488736 | 42-211-32391 | HOBART RANCH #6069 | HELMERICH & PAYNE, INC. | DRILL | 11,500 | |
| 1999-10-18 | 488392 | 42-211-32388 | SHELL FEE #2045 | BRACKEN OPERATING, L.L.C. | DRILL | 8,200 | |
| 1999-10-14 | 488483 | 42-211-32390 | HUMPHREYS 59 #1 | EOG RESOURCES, INC. | DRILL | 12,400 | |
| 1999-10-14 | 488458 | 42-211-32389 | ABRAHAM, JAMES TRUST #1 | MEWBOURNE OIL CO. | DRILL | 12,600 | |
| 1999-10-14 | 488341 | 42-211-32387 | WALKER #1029 | BRACKEN OPERATING, L.L.C. | DRILL | 8,300 | |
| 1999-10-11 | 488162 | 42-211-32385 | BUCKTHAL #4056 | CRESCENDO RESOURCES, L.P. | DRILL | 8,100 | |
| 1999-10-06 | 488247 | 42-211-32386 | CHUMBLEY #4 | UNIT PETROLEUM COMPANY | DRILL | 8,630 | |
| 1999-10-06 | 488099 | 42-211-32384 | JARVIS, BILLY #5213 | CRESCENDO RESOURCES, L.P. | DRILL | 11,800 | |
| 1999-10-05 | 481059 | 42-211-32326 | ISAACS 209 #9 | SAMSON LONE STAR LP | DRILL | 10,800 | |
| 1999-09-24 | 487924 | 42-211-32383 | MEADOWS #1235 | SIDWELL OIL & GAS, INC. | DRILL | 14,800 | |
| 1999-09-24 | 487924 | 42-211-32383 | MEADOWS #1235 | SIDWELL OIL & GAS, INC. | DRILL | 14,800 | |
| 1999-09-24 | 487924 | 42-211-32383 | MEADOWS #1235 | SIDWELL OIL & GAS, INC. | DRILL | 14,800 | |
| 1999-09-24 | 487861 | 42-211-32382 | HOSTUTLER #2054 | CRESCENDO RESOURCES, L.P. | DRILL | 8,200 | |
| 1999-09-21 | 487780 | 42-211-32381 | HUMPHREYS "K" #4 | QUESTAR EXPL. AND PROD. CO. | DRILL | 7,300 | |
| 1999-09-17 | 487669 | 42-211-30428 | HUMPHREYS #1038 | QUESTAR EXPL. AND PROD. CO. | RENTR | 7,300 | |
| 1999-09-16 | 487419 | 42-211-31685 | CIRCLE DOT RANCH #1 | KAISER-FRANCIS OIL COMPANY | RECOMP | 13,475 | |
| 1999-09-10 | 487434 | 42-211-32380 | HUMPHREYS 2-38 #1 | QUESTAR EXPL. AND PROD. CO. | DRILL | 7,300 | |
| 1999-09-10 | 487401 | 42-211-32378 | READ #1048 | CRESCENDO RESOURCES, L.P. | DRILL | 8,200 | |
| 1999-09-10 | 487386 | 42-211-32379 | BUCKTHAL #4016 | BRACKEN OPERATING, L.L.C. | DRILL | 8,200 | |
| 1999-09-08 | 487331 | 42-211-32377 | JARVIS, BILLY & SONS "G" #3218 | CRESCENDO RESOURCES, L.P. | DRILL | 12,000 | |
| 1999-09-08 | 487330 | 42-211-32376 | BROWN, J. T. "C" #11 | CRESCENDO RESOURCES, L.P. | DRILL | 12,000 | |
| 1999-09-02 | 487231 | 42-211-20081 | HEFLEY #A190 | VASTAR RESOURCES, INC. | RECOMP | 19,940 | |
| 1999-08-31 | 487142 | 42-211-32375 | HOSTUTLER #3 | UNIT PETROLEUM COMPANY | DRILL | 8,160 | |
| 1999-08-27 | 486960 | 42-211-32163 | JENNY LOU #1 | UPLAND RESOURCES, INC. | RECOMP | 8,000 | |
| 1999-08-27 | 486960 | 42-211-32163 | LOCKHART STRIP #1 | UPLAND RESOURCES, INC. | RECOMP | 11,340 | |
| 1999-08-26 | 486307 | 42-211-32372 | ABRAHAM #2-48 #1 | QUESTAR EXPL. AND PROD. CO. | DRILL | 8,100 | |
| 1999-08-24 | 481060 | 42-211-32327 | ISAACS 209 #8 | SAMSON LONE STAR LP | DRILL | 10,800 | |
| 1999-08-24 | 481058 | 42-211-32325 | ISAACS 210 #8 | SAMSON LONE STAR LP | DRILL | 10,800 | |
| 1999-08-16 | 486714 | 42-211-32374 | CHUMBLEY #3 | UNIT PETROLEUM COMPANY | DRILL | 8,160 | |
| 1999-08-11 | 486510 | 42-211-32373 | FLOWERS #1049 | BRACKEN OPERATING, L.L.C. | DRILL | 8,200 | |
| 1999-08-04 | 486308 | 42-211-32371 | SANDERS #1 | QUESTAR EXPL. AND PROD. CO. | DRILL | 8,200 | |
| 1999-08-04 | 486305 | 42-211-32370 | WHITENER, ADA #4 | QUESTAR EXPL. AND PROD. CO. | DRILL | 8,100 | |
| 1999-07-30 | 486283 | 42-211-32369 | BUCKTHAL #3056 | CRESCENDO RESOURCES, L.P. | DRILL | 8,100 | |
| 1999-07-30 | 486168 | 42-211-32368 | HOOBLER #3096 | CRESCENDO RESOURCES, L.P. | DRILL | 11,400 | |
| 1999-07-29 | 486198 | 42-211-32125 | HOOVER, LOUISE ETAL "C" #4 | CRESCENDO RESOURCES, L.P. | RECOMP | 7,861 | |
| 1999-07-12 | 485612 | 42-211-32364 | MITCHELL #2127 | QUESTAR EXPL. AND PROD. CO. | DRILL | 10,400 | |
| 1999-07-08 | 485735 | 42-211-32367 | HOSTUTLER #2 | UNIT PETROLEUM COMPANY | DRILL | 8,200 | |
| 1999-07-07 | 485677 | 42-211-32366 | HUMPHREYS "K" #3 | QUESTAR EXPL. AND PROD. CO. | DRILL | 7,300 | |
| 1999-07-07 | 485647 | 42-211-32365 | CAMPBELL #502 | CRESCENDO RESOURCES, L.P. | DRILL | 10,800 | |
| 1999-07-07 | 485647 | 42-211-32365 | CAMPBELL #502 | CHEVRON U. S. A. INC. | DRILL | 10,800 | |
| 1999-06-28 | 485460 | 42-211-32363 | ABRAHAM #1048 | BRACKEN OPERATING, L.L.C. | DRILL | 8,200 | |
| 1999-06-28 | 485460 | 42-211-32363 | ABRAHAM #1048 | BRACKEN OPERATING, L.L.C. | DRILL | 8,200 | |
| 1999-06-24 | 485395 | 42-211-32362 | ABRAHAM #1048 | QUESTAR EXPL. AND PROD. CO. | DRILL | 8,100 | |