| 1999-10-12 | 488192 | 42-183-31381 | ARGU #2 #3 | GEO-VEST OF TEXAS, INC. | DRILL | 9,000 | |
| 1999-09-23 | 487784 | 42-183-31379 | ARGU #2 #2 | GEO-VEST OF TEXAS, INC. | DRILL | 9,000 | |
| 1999-09-23 | 487784 | 42-183-31379 | ARGU #2 #2 | GEO-VEST OF TEXAS, INC. | DRILL | 12,000 | |
| 1999-09-23 | 487784 | 42-183-31379 | ARGU #2 #2 | GEO-VEST OF TEXAS, INC. | DRILL | 12,000 | |
| 1999-09-17 | 487263 | 42-183-31626 | G W RICHEY GAS UNIT #8 | C. W. RESOURCES, INC. | DRILL | 11,300 | |
| 1999-09-13 | 487265 | 42-183-31377 | T B HARRIS GAS UNIT #7 | C. W. RESOURCES, INC. | DRILL | 11,300 | |
| 1999-09-09 | 487357 | 42-183-31378 | WSGU1 (LACY, E. -10) #10 | CROSS TIMBERS OPERATING COMPANY | DRILL | 12,000 | |
| 1999-09-08 | 487266 | 42-183-31374 | T B HARRIS GAS UNIT #6 | C. W. RESOURCES, INC. | DRILL | 11,300 | |
| 1999-09-08 | 487264 | 42-183-31375 | J D DAVIS /E/ GAS UNIT #7 | C. W. RESOURCES, INC. | DRILL | 11,300 | |
| 1999-09-08 | 487264 | 42-183-31375 | J D DAVIS /E/ GAS UNIT #7 | C. W. RESOURCES, INC. | DRILL | 11,300 | |
| 1999-09-08 | 487264 | 42-183-31375 | J D DAVIS /E/ GAS UNIT #7 | C. W. RESOURCES, INC. | DRILL | 11,000 | |
| 1999-08-05 | 486435 | 42-183-31240 | FLEWELLEN, J. J. #4 | DALLAS PRODUCTION, INC. | FLD-XFR | 12,313 | |
| 1999-08-05 | 486432 | 42-183-30992 | FLEWELLEN, J. J. #1 | DALLAS PRODUCTION, INC. | FLD-XFR | 10,860 | |
| 1999-07-22 | 486083 | 42-183-31370 | CLEMENS #6 | DALLAS PRODUCTION, INC. | DRILL | 11,200 | |
| 1999-07-15 | 485847 | 42-183-30077 | WSGU7 (HORTON-DICKSON B-1) #1 | CROSS TIMBERS OPERATING COMPANY | RENTR | 11,000 | |
| 1999-07-13 | 485815 | 42-183-31369 | MCGREDE COTTON VALLEY G.U. NO.1 #4 | COOK EXPLORATION CO. | DRILL | 11,000 | |
| 1999-07-09 | 485763 | 42-183-30572 | PINE TREE ISD #4 | H & S PRODUCTION, INC. | RECOMP | 9,176 | |
| 1999-07-02 | 484672 | 42-183-31365 | GLADEWATER GAS UNIT 16 #11 | EXXON CORP. | DRILL | 12,500 | |
| 1999-06-24 | 485394 | 42-183-31368 | WSGU8 (HORTON-DICKSON -25) #25 | CROSS TIMBERS OPERATING COMPANY | DRILL | 12,000 | |
| 1999-06-22 | 480961 | 42-183-02259 | ELDER BROS. #2 | TATE, LARRY V. OPERATING, INC. | RENTR | 3,500 | |
| 1999-06-16 | 485246 | 42-183-31367 | STARR DICKSON GU #1 #6 | GEO-VEST OF TEXAS, INC. | DRILL | 9,000 | |
| 1999-05-28 | 484880 | 42-183-31366 | STINCHCOMB #4 | DALLAS PRODUCTION, INC. | DRILL | 11,100 | |
| 1999-05-19 | 484606 | 42-183-31364 | WSGU3 (HORTON, NANCY -2) #9 | CROSS TIMBERS OPERATING COMPANY | DRILL | 12,000 | |
| 1999-05-19 | 484606 | 42-183-31364 | WSCGU (HORTON, N.) #0402 | CROSS TIMBERS OPERATING COMPANY | DRILL | 12,000 | |
| 1999-05-19 | 484606 | 42-183-31364 | WSCGU (HORTON, N.) #0402 | CROSS TIMBERS OPERATING COMPANY | DRILL | 12,000 | |
| 1999-04-29 | 484146 | 42-183-31363 | TAYLOR-ANNE #1 | BUFFCO PRODUCTION INC. | DRILL | 9,000 | |
| 1999-04-29 | 484144 | 42-183-30998 | WSGU3 (KELLY -3) #5 | CROSS TIMBERS OPERATING COMPANY | RECOMP | 9,100 | |
| 1999-04-28 | 484143 | 42-183-30686 | WSGU10 (WALKE -2) #5 | CROSS TIMBERS OPERATING COMPANY | RECOMP | 10,600 | |
| 1999-04-27 | 484112 | 42-183-31341 | WSGU2 (ROBERTSON -6) #6 | CROSS TIMBERS OPERATING COMPANY | RECOMP | 12,000 | |
| 1999-04-27 | 484099 | 42-183-31362 | AKIN-ROSS GU #1 #7 | GEO-VEST OF TEXAS, INC. | DRILL | 9,000 | |
| 1999-04-23 | 483942 | 42-183-31361 | GINN HEIRS GU #1 #3 | GEO-VEST OF TEXAS, INC. | DRILL | 9,000 | |
| 1999-04-23 | 483942 | 42-183-31361 | GINN HEIRS GU #1 #3A | GEO-VEST OF TEXAS, INC. | DRILL | 9,000 | |
| 1999-04-15 | 483854 | 42-183-31360 | WSGU9 (HORTON-DICKSON -21) #21 | CROSS TIMBERS OPERATING COMPANY | DRILL | 12,000 | |
| 1999-04-13 | 483559 | 42-183-31359 | STARR DICKSON GU #1 #5 | GEO-VEST OF TEXAS, INC. | DRILL | 9,000 | |
| 1999-04-12 | 483751 | 42-183-30096 | WSGU4 (SKIPPER -A- 2) #2 | CROSS TIMBERS OPERATING COMPANY | RECOMP | 8,906 | |
| 1999-04-09 | 483778 | 42-183-30627 | SPEAR #1 | SONAT EXPLORATION COMPANY -TYLER | RECOMP | 10,958 | |
| 1999-04-01 | 483516 | 42-183-31357 | HARRIS, T. B. #8 | C. W. RESOURCES, INC. | DRILL | 11,300 | |
| 1999-04-01 | 483515 | 42-183-31358 | J W NICHOLSON GAS UNIT #6 | C. W. RESOURCES, INC. | DRILL | 11,200 | |
| 1999-03-10 | 483170 | 42-183-00154 | WSGU1 (LACY E. -1) #1 | CROSS TIMBERS OPERATING COMPANY | RECOMP | 7,347 | |
| 1999-02-23 | 482779 | 42-183-31356 | GRAY, J. C. UNIT #3 | MASS ENERGY, INC | DRILL | 10,900 | |
| 1999-02-16 | 480926 | 42-183-31344 | HAYES #8 | SONAT EXPLORATION COMPANY -TYLER | DRILL | 10,700 | |
| 1999-02-12 | 482656 | 42-183-31355 | WSGU1 (LACY, E. -9) #9 | CROSS TIMBERS OPERATING COMPANY | DRILL | 11,000 | |
| 1999-02-12 | 482656 | 42-183-31355 | WSGU1 (LACY, E. -9) #9 | CROSS TIMBERS OPERATING COMPANY | DRILL | 11,000 | |
| 1999-02-12 | 482656 | 42-183-31355 | WSGU1 (LACY, E. -9) #9 | CROSS TIMBERS OPERATING COMPANY | DRILL | 11,000 | |
| 1999-02-04 | 482427 | 42-183-31354 | WSGU7 (HORTON-DICKSON -23) #23 | CROSS TIMBERS OPERATING COMPANY | DRILL | 11,000 | |
| 1999-02-04 | 482427 | 42-183-31354 | WSGU7 (HORTON-DICKSON -23) #23 | CROSS TIMBERS OPERATING COMPANY | DRILL | 12,000 | |
| 1999-02-02 | 482392 | 42-183-31353 | WSGU8 (HORTON-DICKSON -22) #22 | CROSS TIMBERS OPERATING COMPANY | DRILL | 11,000 | |
| 1999-01-25 | 481973 | 42-183-31352 | STUCKEY-THRASHER GAS UNIT #4 | C. W. RESOURCES, INC. | DRILL | 11,300 | |
| 1999-01-25 | 481973 | 42-183-31352 | STUCKEY-THRASHER GAS UNIT #4 | WAGNER & BROWN, LTD. | DRILL | 11,300 | |
| 1999-01-20 | 482086 | 42-183-31248 | WSGU9 (HORTON-DICKSON -20) #20 | CROSS TIMBERS OPERATING COMPANY | RECOMP | 10,600 | |