| 1999-10-04 | 488180 | 42-025-32974 | BLACKBURN, L. K. #2 | CORENERGY OPERATING GROUP, LLC | DRILL | 3,100 | |
| 1999-09-30 | 488079 | 42-025-00103 | NPU (RAY -6) #31 | PENNZENERGY EXP. & PROD., L.L.C. | RECOMP | 9,500 | |
| 1999-09-17 | 487712 | 42-025-32973 | PAGEL, C. C. #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 4,800 | |
| 1999-09-17 | 486980 | 42-025-32501 | HENRY BUES GAS UNIT #2 | PIONEER NATURAL RES. USA, INC. | RECOMP | 13,975 | Y |
| 1999-09-15 | 487587 | 42-025-01295 | MCMILLAN, MARTHA WELDER #3 | AURORA RESOURCES CORPORATION | RENTR | 2,718 | |
| 1999-09-15 | 487586 | 42-025-01333 | MCMILLAN, MARTHA WELDER #2 | AURORA RESOURCES CORPORATION | RENTR | 2,700 | |
| 1999-09-14 | 487558 | 42-025-32972 | LONG #4 | COLUMBUS ENERGY CORP. | DRILL | 13,600 | |
| 1999-09-14 | 487558 | 42-025-32972 | LONG #4 | COLUMBUS ENERGY CORP. | DRILL | 13,600 | |
| 1999-09-13 | 487529 | 42-025-32971 | HOYER #1 | REPUBLIC RESOURCES, LLC, | DRILL | 4,500 | |
| 1999-09-13 | 487101 | 42-025-32676 | SHINN GAS UNIT SWD #1 | PRIME OPERATING COMPANY | RECOMP | 10,750 | |
| 1999-09-02 | 487237 | 42-025-32970 | BLACKBURN, L. K. #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 2,700 | |
| 1999-08-27 | 486954 | 42-025-32969 | WICKER, E. H. #B 1 | WELDER-HEYER ENERGY, INC. | DRILL | 5,000 | |
| 1999-08-25 | 486979 | 42-025-30538 | TOMASEK GAS UNIT #3 | PIONEER NATURAL RES. USA, INC. | RECOMP | 14,000 | Y |
| 1999-08-25 | 486979 | 42-025-30538 | TOMASEK GAS UNIT #3 | PIONEER NATURAL RES. USA, INC. | RECOMP | 15,592 | Y |
| 1999-08-25 | 486941 | 42-025-32968 | FEDERER #1 | TIDAL PETROLEUM, INC. | DRILL | 4,500 | |
| 1999-08-25 | 486941 | 42-025-32968 | FEDERER #1 | TIDAL PETROLEUM, INC. | DRILL | 4,500 | |
| 1999-08-17 | 486728 | 42-025-32474 | GRIFFITH #1 | FAMCOR OIL, INC | RENTR | 5,600 | |
| 1999-08-13 | 486654 | 42-025-32967 | TOMASEK GAS UNIT #5 | PIONEER NATURAL RES. USA, INC. | DRILL | 13,950 | Y |
| 1999-08-06 | 486490 | 42-025-32966 | ROARK, A. W. #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 6,000 | |
| 1999-08-06 | 486387 | 42-025-32965 | BREIDENBACH #1 | WELDER-HEYER ENERGY, INC. | DRILL | 5,000 | |
| 1999-08-06 | 486387 | 42-025-32965 | BREIDENBACH #1 | WELDER-HEYER ENERGY, INC. | DRILL | 5,000 | |
| 1999-08-03 | 486368 | 42-025-32964 | DUNN #1 | SONAT EXPLORATION CO. - HOUSTON | DRILL | 13,500 | |
| 1999-07-19 | 485586 | 42-025-32960 | TRAYLOR, C. T. III #1 | WELDER-HEYER ENERGY, INC. | DRILL | 5,000 | |
| 1999-07-19 | 485586 | 42-025-32960 | TRAYLOR, C. T. III #1 | WELDER-HEYER ENERGY, INC. | DRILL | 5,000 | |
| 1999-07-16 | 485894 | 42-025-32962 | O'BRIEN, J. M. III #05 | WELDER-HEYER ENERGY, INC. | DRILL | 5,000 | |
| 1999-07-13 | 485832 | 42-025-32961 | LA ROSE #1 | LEGACY OIL & GAS, INC. | DRILL | 5,400 | |
| 1999-07-01 | 485583 | 42-025-32959 | NORWELL #5 | TIDAL PETROLEUM, INC. | DRILL | 4,500 | |
| 1999-06-23 | 485362 | 42-025-31828 | MOORE, LON S. #2 | STAPLES, JAMES W. PROD. CO. | RECOMP | 3,700 | |
| 1999-06-16 | 485245 | 42-025-01742 | SCHOOLFIELD #1A | BANDERA EXPLORATION COMPANY | RENTR | 8,864 | |
| 1999-06-14 | 485008 | 42-025-32957 | DUTY EAST #3 | FELDERHOFF PRODUCTION CO. | DRILL | 5,500 | |
| 1999-06-14 | 485008 | 42-025-32957 | DUTY EAST #3 | FELDERHOFF PRODUCTION CO. | DRILL | 5,310 | |
| 1999-06-11 | 485141 | 42-025-32958 | STAPLES, JAMES W. SR. #1 | PEARL, BILL H. PRODUCTIONS, INC. | DRILL | 4,500 | |
| 1999-06-07 | 484999 | 42-025-32956 | MCKINNEY, F. G. ESTATE #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 4,600 | |
| 1999-06-07 | 484999 | 42-025-32956 | MCKINNEY, F. G. ESTATE #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 4,900 | |
| 1999-05-27 | 484810 | 42-025-32954 | WILHITE, M. E. #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 5,600 | |
| 1999-05-27 | 484809 | 42-025-32955 | HANDY, R. E. #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 2,400 | |
| 1999-05-27 | 484809 | 42-025-32955 | HANDY, R. E. #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 2,900 | |
| 1999-05-27 | 484809 | 42-025-32955 | HANDY, R. E. #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 2,900 | |
| 1999-05-17 | 484560 | 42-025-32953 | FERRELL, D. L. #1 | CORENERGY OPERATING GROUP, LLC | DRILL | 2,700 | |
| 1999-05-13 | 484475 | 42-025-32952 | HUGHES, J. W. F. L. P. #2 | C & E OPERATING, INC. | DRILL | 5,600 | |
| 1999-05-11 | 484414 | 42-025-32951 | O'BRIEN-HARKINS #4 | C & E OPERATING, INC. | DRILL | 4,800 | |
| 1999-05-07 | 484316 | 42-025-32950 | WICKER, E. H. #2 | WELDER-HEYER ENERGY, INC. | DRILL | 5,000 | |
| 1999-04-26 | 484126 | 42-025-32949 | MAY #5 | LEGACY OIL & GAS, INC. | DRILL | 4,150 | |
| 1999-04-26 | 484126 | 42-025-32949 | MAY #5 | APEX ENERGY, INC. | DRILL | 4,150 | |
| 1999-04-20 | 483825 | 42-025-32947 | LONG #1 | ENCO EXPLORATION COMPANY | DRILL | 4,300 | |
| 1999-04-16 | 483794 | 42-025-32945 | THOMSON-BARROW CORP. C #14 | C & E OPERATING, INC. | DRILL | 3,200 | |
| 1999-04-15 | 483895 | 42-025-32948 | NORWELL #4 | TIDAL PETROLEUM, INC. | DRILL | 4,500 | |
| 1999-04-14 | 483796 | 42-025-32946 | HEARD, C. E. #1 | CNG PRODUCING COMPANY | DRILL | 9,200 | |
| 1999-04-09 | 483755 | 42-025-30234 | NPU (RAY-8) #29 | PENNZENERGY EXP. & PROD., L.L.C. | RECOMP | 7,700 | |
| 1999-04-08 | 483683 | 42-025-32944 | THYSSEN #2 | GREAT TEXAS CRUDE INC. | DRILL | 3,600 | |