| 438203 | Jul 26, 1995 | Jul 26, 1995 | Weeks Exploration Company | Colorado | Albert II-1 #1 | 10,700 | 08931930 |
| 416600 | Sep 30, 1993 | Sep 30, 1993 | Weeks Exploration Company | Smith | Dominick Leon Unit #1 | 7,000 | 42331413 |
| 403269 | Sep 16, 1992 | Sep 16, 1992 | Weeks Exploration Company | Smith | Ashby Estate #1 | 7,800 | 42331384 |
| 403269Amendment | Sep 16, 1992 | Sep 16, 1992 | Weeks Exploration Company | Smith | Ashby Estate #1 | 7,710 | 42331384 |
| 399739 | Jun 4, 1992 | Jun 4, 1992 | Weeks Exploration Company | Smith | Hardy Unit #1 | 6,850 | 42331375 |
| 399739Amendment | Jun 4, 1992 | Jun 4, 1992 | Weeks Exploration Company | Smith | Hardy Unit #1 | 7,000 | 42331375 |
| 398989 | May 20, 1992 | May 20, 1992 | Weeks Exploration Company | Smith | Ross Walker Oil Unit #1 | 6,700 | 42331373 |
| 398989Amendment | May 20, 1992 | May 20, 1992 | Weeks Exploration Company | Smith | Ross Walker Oil Unit #1 | 6,700 | 42331373 |
| 398032 | Apr 10, 1992 | Apr 10, 1992 | Weeks Exploration Company | Smith | Bracken #12 | 6,700 | 42331367 |
| 395569 | Jan 3, 1992 | Jan 3, 1992 | Weeks Exploration Company | Smith | Bracken/Warren Oil Unit #1 | 6,800 | 42331359 |
| 395569Amendment | Jan 3, 1992 | Jan 3, 1992 | Weeks Exploration Company | Smith | Bracken/Warren Oil Unit #1 | 6,800 | 42331359 |
| 394412 | Dec 2, 1991 | Dec 2, 1991 | Weeks Exploration Company | High IS-SB | State Tract 59-S #2 | 8,800 | 60630177 |
| 394412Amendment | Dec 2, 1991 | Dec 2, 1991 | Weeks Exploration Company | High IS-SB | State Tract 59-S #2 | 8,512 | 60630177 |
| 394212 | Nov 27, 1991 | Nov 27, 1991 | Weeks Exploration Company | De Witt | Remmers #4 | 13,350 | 12331701 |
| 391015 | Aug 28, 1991 | Aug 28, 1991 | Weeks Exploration Company | Smith | Bracken #10 | 6,800 | 42331338 |
| 391015Amendment | Aug 28, 1991 | Aug 28, 1991 | Weeks Exploration Company | Smith | Bracken #10 | 6,750 | 42331338 |
| 387834 | May 15, 1991 | May 15, 1991 | Weeks Exploration Company | De Witt | Goehring, Alma J. #1 | 14,000 | 12331689 |
| 386758 | Apr 22, 1991 | Apr 22, 1991 | Weeks Exploration Company | High IS-LB | State Lease 5L #1 | 9,600 | 70830330 |
| 385287 | Mar 8, 1991 | Mar 8, 1991 | Weeks Exploration Company | Smith | Bracken #9 | 6,900 | 42331319 |
| 385287Amendment | Mar 8, 1991 | Mar 8, 1991 | Weeks Exploration Company | Smith | Bracken #9 | 6,800 | 42331319 |
| 379582 | Oct 17, 1990 | Oct 17, 1990 | Weeks Exploration Company | Smith | Willowbrook Country Club #1 | 8,327 | 42331296 |
| 375471 | Jul 12, 1990 | Jul 12, 1990 | Weeks Exploration Company | High IS-SB | State Tract 52-S #3 | 8,250 | 60630174 |
| 374059 | Jun 25, 1990 | Jun 25, 1990 | Weeks Exploration Company | Smith | Bracken #8 | 6,800 | 42331267 |
| 373825 | May 30, 1990 | May 30, 1990 | Weeks Exploration Company | High IS-SB | State Tract 52-S #2 | 8,746 | 60630173 |
| 373824 | May 30, 1990 | May 30, 1990 | Weeks Exploration Company | De Witt | Remmers #3 | 14,000 | 12331643 |
| 373248 | May 15, 1990 | May 15, 1990 | Weeks Exploration Company | High IS-SB | State Tract 60-S #5 | 8,866 | 60630172 |
| 371114 | Mar 20, 1990 | Mar 20, 1990 | Weeks Exploration Company | High IS-SB | State Tract 52-S #1 | 8,600 | 60630171 |
| 368252 | Jan 9, 1990 | Jan 9, 1990 | Weeks Exploration Company | High IS-SB | State Tract 51-S #2 | 9,318 | 60630169 |
| 368253 | Jan 8, 1990 | Jan 8, 1990 | Weeks Exploration Company | High IS-SB | State Tract 59-S/60S"G"SAND Unit #1 | 9,111 | 60630170 |
| 367952 | Dec 28, 1989 | Dec 28, 1989 | Weeks Exploration Company | High IS-SB | State Tract 51-S "J" Sand #1 | 8,939 | 60630168 |
| 366312 | Nov 27, 1989 | Nov 27, 1989 | Weeks Exploration Company | High IS-SB | State Tract 51-S/60-S "L" Sand #1 | 8,952 | 60630167 |
| 366365 | Nov 17, 1989 | Nov 17, 1989 | Weeks Exploration Company | Leon | Newsom, Mack #1 | 9,200 | 28931042 |
| 365639 | Oct 26, 1989 | Oct 26, 1989 | Weeks Exploration Company | Leon | Candler, W. H. Jr., et UX #1 | 9,300 | 28931040 |
| 363267Amendment | Aug 30, 1989 | Aug 30, 1989 | Weeks Exploration Company | Smith | Bracken #6 | 7,000 | 42331219 |
| 360593Amendment | Jun 22, 1989 | Jun 22, 1989 | Weeks Exploration Company | Smith | Bracken #5 | 7,000 | 42331202 |
| 359861 | Jun 1, 1989 | Jun 1, 1989 | Weeks Exploration Company | High IS-SB | State Tract 60-S #3 | 8,800 | 60630165 |
| 359444 | May 22, 1989 | May 22, 1989 | Weeks Exploration Company | High IS-SB | State Tract 52-S #1 | 9,138 | 60630163 |
| 359444Amendment | May 22, 1989 | May 22, 1989 | Weeks Exploration Company | High IS-SB | State Tract 52-S #1 | 8,600 | 60630163 |
| 358313 | May 22, 1989 | May 22, 1989 | Weeks Exploration Company | Karnes | Wood, John F. et Al #1 | 12,500 | 25531229 |
| 358294 | Apr 27, 1989 | Apr 27, 1989 | Weeks Exploration Company | High IS-SB | State Tract 60-S #2 | 8,600 | 60630162 |
| 356994 | Mar 14, 1989 | Mar 14, 1989 | Weeks Exploration Company | Houston | McDonald, F. L. #1 | 10,400 | 22530784 |
| 356994Amendment | Mar 14, 1989 | Mar 14, 1989 | Weeks Exploration Company | Houston | McDonald, F. L. #1 | 10,225 | 22530784 |
| 356160 | Mar 9, 1989 | Mar 9, 1989 | Weeks Exploration Company | Hopkins | Chitsey #1 | 13,500 | 22330430 |
| 356495Amendment | Feb 28, 1989 | Feb 28, 1989 | Weeks Exploration Company | Smith | Bracken #4 | 7,000 | 42331187 |
| 355284 | Jan 17, 1989 | Jan 17, 1989 | Weeks Exploration Company | Leon | Wilson, Carrie L. Etal #1A | 10,600 | 28931017 |
| 354684 | Dec 28, 1988 | Dec 28, 1988 | Weeks Exploration Company | Houston | Sallas, J. B. #1 | 10,600 | 22530777 |
| 354180 | Dec 21, 1988 | Dec 21, 1988 | Weeks Exploration Company | Leon | Wilson, Carrie L. et Al #1 | 10,600 | 28931014 |
| 353721Amendment | Dec 2, 1988 | Dec 2, 1988 | Weeks Exploration Company | Smith | Bracken #3 | 7,000 | 42331178 |
| 352969 | Nov 4, 1988 | Nov 4, 1988 | Weeks Exploration Company | High IS-SB | State Tract 60-S #1 | 10,000 | 60630161 |
| 352941 | Nov 3, 1988 | Nov 3, 1988 | Weeks Exploration Company | Houston | Lundy, M. L. #4 | 10,450 | 22530774 |
| 352941Amendment | Nov 3, 1988 | Nov 3, 1988 | Weeks Exploration Company | Houston | Lundy, M. L. #4 | 10,370 | 22530774 |
| 351679 | Oct 6, 1988 | Oct 6, 1988 | Weeks Exploration Company | Houston | Lundy, M. L. #2 | 10,400 | 22530772 |
| 351679Amendment | Oct 6, 1988 | Oct 6, 1988 | Weeks Exploration Company | Houston | Lundy #2 | 10,200 | 22530772 |
| 350826 | Sep 2, 1988 | Sep 2, 1988 | Weeks Exploration Company | Leon | Swift Ranch #1 | 9,400 | 28931006 |
| 349749 | Aug 8, 1988 | Aug 8, 1988 | Weeks Exploration Company | Houston | Murphy, Willa et Al #1 | 10,350 | 22530768 |
| 349749Amendment | Aug 8, 1988 | Aug 8, 1988 | Weeks Exploration Company | Houston | Murphy, Willa et Al #1 | 10,300 | 22530768 |
| 349307 | Jul 28, 1988 | Jul 28, 1988 | Weeks Exploration Company | High IS-LB | State Tract 30-L #1 | 8,700 | 70830317 |
| 348875 | Jul 18, 1988 | Jul 18, 1988 | Weeks Exploration Company | De Witt | Wilder, H. M. et Al. #1 | 12,500 | 12331579 |
| 348875Amendment | Jul 18, 1988 | Jul 18, 1988 | Weeks Exploration Company | De Witt | Wilder, H. M. et Al. #1 | 12,500 | 12331579 |
| 348676 | Jul 8, 1988 | Jul 8, 1988 | Weeks Exploration Company | Houston | Pruitt, Tobe #1 | 10,300 | 22530764 |
| 348676Amendment | Jul 8, 1988 | Jul 8, 1988 | Weeks Exploration Company | Houston | Pruitt, Tobe #1 | 10,300 | 22530764 |
| 346904 | Jun 1, 1988 | Jun 1, 1988 | Weeks Exploration Company | Houston | Ellis, J. M. #1 | 10,400 | 22530761 |
| 346904Amendment | Jun 1, 1988 | Jun 1, 1988 | Weeks Exploration Company | Houston | Ellis, J. M. #1 | 10,325 | 22530761 |
| 346337Amendment | May 9, 1988 | May 9, 1988 | Weeks Exploration Company | Smith | Bracken #1 | 7,000 | 42331150 |
| 345571 | Apr 26, 1988 | Apr 26, 1988 | Weeks Exploration Company | Houston | Mc Faddin, Rosine B. #1 | 10,300 | 22530760 |
| 344173Amendment | Mar 22, 1988 | Mar 22, 1988 | Weeks Exploration Company | Houston | Lundy #1 | 10,300 | 22530750 |
| 338510 | Nov 13, 1987 | Nov 13, 1987 | Weeks Exploration Company | Hopkins | Beadles, Flossie #1 | 9,750 | 22330423 |
| 338510Amendment | Nov 13, 1987 | Nov 13, 1987 | Weeks Exploration Company | Hopkins | Beadles, Flossie #1 | 9,750 | 22330423 |
| 320425 | Sep 12, 1986 | Sep 12, 1986 | Weeks Exploration Company | Franklin | Williams, Sam #2 | 10,200 | 15930414 |
| 296395 | Jan 24, 1986 | Jan 24, 1986 | Weeks Exploration Company | Franklin | Williams, Sam #2 | 10,200 | 15930414 |
| 267478 | Feb 22, 1985 | Feb 22, 1985 | Weeks Exploration Company | Webb | Williamson, S. H. #4 | 8,300 | 47934023 |
| 249169 | Aug 22, 1984 | Aug 22, 1984 | Weeks Exploration Company | Van Zandt | Mayberry, O. W. #1 | 13,075 | 46730600 |
| 235468 | Apr 13, 1984 | Apr 13, 1984 | Weeks Exploration Company | Franklin | Williams, Sam #1 | 10,200 | 15930355 |
| 220025 | Nov 4, 1983 | Nov 4, 1983 | Weeks Exploration Company | Zavala | Norton, R. W. #1502 | 3,500 | 50732009 |
| 218861 | Oct 26, 1983 | Oct 26, 1983 | Weeks Exploration Company | Zavala | Norton, R. W. #103 | 2,500 | 50732110 |
| 218860 | Oct 26, 1983 | Oct 26, 1983 | Weeks Exploration Company | Zavala | Norton, R. W. #102 | 2,500 | 50732007 |
| 218858 | Oct 26, 1983 | Oct 26, 1983 | Weeks Exploration Company | Zavala | Norton, R. W. #101 | 2,500 | 50732006 |
| 217276 | Oct 13, 1983 | Oct 13, 1983 | Weeks Exploration Company | Red River | Baker #1 | 2,500 | 38730359 |
| 186101 | Dec 13, 1982 | Dec 13, 1982 | Weeks Exploration Company | Zavala | Chaparrosa #1501 | 3,590 | 50731922 |