| 495125 | May 16, 2000 | May 16, 2000 | Walter Oil & Gas Corporation | Colorado | Kallina #1 | 12,500 | 08932099 |
| 495125Amendment | May 16, 2000 | May 16, 2000 | Walter Oil & Gas Corporation | Colorado | Kallina #1 | 6,000 | 08932099 |
| 494072 | Apr 13, 2000 | Apr 13, 2000 | Walter Oil & Gas Corporation | Aransas | Gibson/Sien #2A | 12,500 | 00730846 |
| 488574 | Oct 15, 1999 | Oct 15, 1999 | Walter Oil & Gas Corporation | Aransas | Gibson/Sien Unit #1 | 12,500 | 00730844 |
| 488574Amendment | Oct 15, 1999 | Oct 15, 1999 | Walter Oil & Gas Corporation | Aransas | Gibson/Sien Unit #1 | 11,600 | 00730844 |
| 486982 | Aug 26, 1999 | Aug 26, 1999 | Walter Oil & Gas Corporation | Wharton | Forgason Division, Ltd. #1 | 8,600 | 48134139 |
| 486982Amendment | Aug 26, 1999 | Aug 26, 1999 | Walter Oil & Gas Corporation | Wharton | Forgason Division, Ltd. #1 | 8,325 | 48134139 |
| 485884 | Jul 15, 1999 | Jul 15, 1999 | Walter Oil & Gas Corporation | Colorado | Lehrer "A" #3 | 13,500 | 08932158 |
| 485568 | Jun 30, 1999 | Jun 30, 1999 | Walter Oil & Gas Corporation | Colorado | Shimek SWD #1 | 4,500 | 08932154 |
| 485567 | Jun 30, 1999 | Jun 30, 1999 | Walter Oil & Gas Corporation | Wharton | Northington #1 | 9,000 | 48134127 |
| 482964 | Feb 26, 1999 | Feb 26, 1999 | Walter Oil & Gas Corporation | Colorado | Lehrer "D" #2 | 14,000 | 08932124 |
| 481856 | Dec 31, 1998 | Dec 31, 1998 | Walter Oil & Gas Corporation | Colorado | Lehrer #1 | 12,800 | 08932113 |
| 480589 | Nov 2, 1998 | Nov 2, 1998 | Walter Oil & Gas Corporation | Colorado | Kallina #1 | 13,500 | 08932099 |
| 480235 | Oct 16, 1998 | Oct 16, 1998 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan "B" #6 | 8,000 | 48134086 |
| 480235Amendment | Oct 16, 1998 | Oct 16, 1998 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan "B" #6 | 7,190 | 48134086 |
| 480234 | Oct 16, 1998 | Oct 16, 1998 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan "D" #5 | 9,000 | 48134087 |
| 480234Amendment | Oct 16, 1998 | Oct 16, 1998 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan "D" #5 | 8,700 | 48134087 |
| 479656 | Sep 23, 1998 | Sep 23, 1998 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan "E" #4 | 8,000 | 48134075 |
| 479656Amendment | Sep 23, 1998 | Sep 23, 1998 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan "E" #4 | 8,000 | 48134075 |
| 479015 | Aug 28, 1998 | Aug 28, 1998 | Walter Oil & Gas Corporation | Orange | Hudson/Sonat Unit #1 | 10,500 | 36130759 |
| 478262 | Jul 24, 1998 | Jul 24, 1998 | Walter Oil & Gas Corporation | Orange | Vastar/Sutton Unit #1 | 9,200 | 36130758 |
| 477116 | Jun 5, 1998 | Jun 5, 1998 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan #3 | 9,000 | 48133986 |
| 469023 | Oct 20, 1997 | Oct 20, 1997 | Walter Oil & Gas Corporation | Brazos-LB | S. T. 341-L S/2 NE/4 #1 | 7,998 | 70430308 |
| 465664 | Jul 30, 1997 | Jul 30, 1997 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan #3 | 9,200 | 48133986 |
| 461054 | Apr 14, 1997 | Apr 14, 1997 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan #2 | 9,200 | 48133968 |
| 461054Amendment | Apr 14, 1997 | Apr 14, 1997 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan #2 | 8,766 | 48133968 |
| 459170 | Feb 26, 1997 | Feb 26, 1997 | Walter Oil & Gas Corporation | Wharton | Vastar-Duncan #1 | 9,100 | 48133957 |
| 434773 | Apr 11, 1995 | Apr 11, 1995 | Walter Oil & Gas Corporation | Brazos-LB | S.T. 341-L S/2 NE/4 #1 | 8,100 | 70430308 |
| 425534 | Jul 1, 1994 | Jul 1, 1994 | Walter Oil & Gas Corporation | Liberty | Hill, Davis #1 | 2,000 | 29132206 |
| 376956 | Aug 28, 1990 | Aug 28, 1990 | Walter Oil & Gas Corporation | Galveston-SB | State Tract 175-S #1UL | 7,644 | 60530153 |
| 373970 | Jun 1, 1990 | Jun 1, 1990 | Walter Oil & Gas Corporation | Galveston-SB | State Tract 175-S #1UL | 7,650 | 60530153 |
| 372772 | May 2, 1990 | May 2, 1990 | Walter Oil & Gas Corporation | High IS-LB | State Tract 97-L NW/4 #1 | 8,500 | 70830328 |
| 356364 | Mar 3, 1989 | Mar 3, 1989 | Walter Oil & Gas Corporation | Galveston | State Tract 175-S #1U | 8,067 | 60530153 |
| 354359 | Dec 22, 1988 | Dec 22, 1988 | Walter Oil & Gas Corporation | Brazoria | Farms, I. P. #1 | 12,500 | 03932325 |
| 346667 | Jun 10, 1988 | Jun 10, 1988 | Walter Oil & Gas Corporation | Karnes | Monroe, James W. #1 | 8,000 | 25531200 |
| 340537 | Dec 22, 1987 | Dec 22, 1987 | Walter Oil & Gas Corporation | Harris | Hinson, D. E. #1 | 9,500 | 20132118 |
| 330975 | Jun 9, 1987 | Jun 9, 1987 | Walter Oil & Gas Corporation | Matgrda IS-LB | State Tract 525-L SE/4 #1 | 9,300 | 70330350 |
| 329297 | Apr 21, 1987 | Apr 21, 1987 | Walter Oil & Gas Corporation | Baylor | Lohman, C. L. #A 1 | 5,800 | 02331320 |
| 323455 | Nov 26, 1986 | Nov 26, 1986 | Walter Oil & Gas Corporation | Galveston-SB | State Tract 175-S #1 | 8,500 | 60530153 |
| 301661 | Apr 29, 1986 | Apr 29, 1986 | Walter Oil & Gas Corporation | Chambers | Barrow Ranch #1 | 14,000 | 07131788 |
| 301175 | Apr 17, 1986 | Apr 17, 1986 | Walter Oil & Gas Corporation | Jefferson | Russell, et Al #1 | 10,000 | 24531877 |
| 276420 | May 31, 1985 | May 31, 1985 | Walter Oil & Gas Corporation | Galveston | Hall's Bayou Ranch #1 | 12,000 | 16731061 |
| 266411 | Feb 8, 1985 | Feb 8, 1985 | Walter Oil & Gas Corporation | Clay | McNeil #8 | 6,400 | 07733692 |
| 263925 | Dec 31, 1984 | Dec 31, 1984 | Walter Oil & Gas Corporation | Garza | Nowlin, et Al #1 | 7,900 | 16932504 |
| 249785 | Aug 28, 1984 | Aug 28, 1984 | Walter Oil & Gas Corporation | Clay | McNeil #7 | 6,400 | 07733504 |
| 243746 | Jul 2, 1984 | Jul 2, 1984 | Walter Oil & Gas Corporation | Baylor | Livingston, F. L. 3121 SWD #1 | 2,000 | 02331105 |
| 242840 | Jun 22, 1984 | Jun 22, 1984 | Walter Oil & Gas Corporation | Baylor | Cockrell, M. W. 3117 #1L | 5,267 | 02330854 |
| 236144 | Apr 19, 1984 | Apr 19, 1984 | Walter Oil & Gas Corporation | Goliad | Upmanyu #1 | 9,500 | 17531864 |
| 235662 | Apr 17, 1984 | Apr 17, 1984 | Walter Oil & Gas Corporation | Clay | McNeil #5 | 6,500 | 07733384 |
| 235534 | Apr 13, 1984 | Apr 13, 1984 | Walter Oil & Gas Corporation | Clay | McNeil #4 | 6,500 | 07733383 |
| 235533 | Apr 13, 1984 | Apr 13, 1984 | Walter Oil & Gas Corporation | Clay | McNeil #6 | 6,500 | 07733382 |
| 235382 | Apr 11, 1984 | Apr 11, 1984 | Walter Oil & Gas Corporation | Fisher | Jordan, Juanelle #1 | 6,000 | 15131808 |
| 234869 | Apr 9, 1984 | Apr 9, 1984 | Walter Oil & Gas Corporation | McMullen | Bracken, J. A. Ranch #8 | 11,000 | 31132051 |
| 234692 | Apr 3, 1984 | Apr 3, 1984 | Walter Oil & Gas Corporation | Fort Bend | Booth, T. W. #1 | 12,000 | 15731532 |
| 232526 | Mar 14, 1984 | Mar 14, 1984 | Walter Oil & Gas Corporation | McMullen | Bracken, J. A. 19 #7 | 11,000 | 31132037 |
| 233677 | Mar 13, 1984 | Mar 13, 1984 | Walter Oil & Gas Corporation | Baylor | Farr, T. W. Estate #2 | 5,675 | 02331029 |
| 229484 | Feb 7, 1984 | Feb 7, 1984 | Walter Oil & Gas Corporation | Wharton | Schneider #1 | 13,000 | 48132630 |
| 227115 | Jan 24, 1984 | Jan 24, 1984 | Walter Oil & Gas Corporation | Clay | McNeil #3 | 6,500 | 07733319 |
| 226973 | Jan 23, 1984 | Jan 23, 1984 | Walter Oil & Gas Corporation | McMullen | Bracken, J. A. #6 | 10,200 | 31132006 |
| 220706 | Nov 15, 1983 | Nov 15, 1983 | Walter Oil & Gas Corporation | Calhoun | Frank Kula, et al Unit #1 | 9,500 | 05731289 |
| 222120 | Nov 8, 1983 | Nov 8, 1983 | Walter Oil & Gas Corporation | Baylor | Farr, T. W. Estate #3 | 5,400 | 02331032 |
| 219535 | Nov 2, 1983 | Nov 2, 1983 | Walter Oil & Gas Corporation | Baylor | Burns-Farr #1 | 5,625 | 02300588 |
| 215795 | Sep 30, 1983 | Sep 30, 1983 | Walter Oil & Gas Corporation | Baylor | Harmel Estate #1 | 5,751 | 02331030 |
| 215792 | Sep 30, 1983 | Sep 30, 1983 | Walter Oil & Gas Corporation | Baylor | Farr, T. W. Estate #2 | 5,700 | 02331029 |
| 214093 | Sep 23, 1983 | Sep 23, 1983 | Walter Oil & Gas Corporation | Baylor | Green Estate - 15 #1 | 5,503 | 02380917 |
| 213155 | Sep 20, 1983 | Sep 20, 1983 | Walter Oil & Gas Corporation | Clay | McNeill #2 | 6,500 | 07733181 |
| 210015 | Sep 6, 1983 | Sep 6, 1983 | Walter Oil & Gas Corporation | McMullen | Bracken, J. A. #503 | 9,900 | 31131903 |
| 205173 | Aug 11, 1983 | Aug 11, 1983 | Walter Oil & Gas Corporation | Baylor | Farr, T. W. Est. #1 | 5,600 | 02330966 |
| 199090 | Jun 20, 1983 | Jun 20, 1983 | Walter Oil & Gas Corporation | Baylor | Young #1 | 5,530 | 02330952 |
| 199089 | Jun 20, 1983 | Jun 20, 1983 | Walter Oil & Gas Corporation | Clay | McNeill #1 | 6,467 | 07733015 |
| 199088 | Jun 15, 1983 | Jun 15, 1983 | Walter Oil & Gas Corporation | Clay | Ridding, Effa #1 | 6,150 | 07733014 |
| 188297 | Mar 4, 1983 | Mar 4, 1983 | Walter Oil & Gas Corporation | McMullen | Bracken, J.A. #909 | 10,283 | 31131821 |
| 187387 | Mar 3, 1983 | Mar 3, 1983 | Walter Oil & Gas Corporation | Young | Mobley, Julia #1 | 5,200 | 50336727 |
| 187615 | Mar 2, 1983 | Mar 2, 1983 | Walter Oil & Gas Corporation | McMullen | Bracken, J. A. #306 | 10,100 | 31131818 |
| 187613 | Mar 2, 1983 | Mar 2, 1983 | Walter Oil & Gas Corporation | McMullen | Bracken, J. A. "A" #202 | 10,250 | 31131817 |
| 187611 | Mar 2, 1983 | Mar 2, 1983 | Walter Oil & Gas Corporation | McMullen | Bracken, J. A. "A" #101 | 10,000 | 31131816 |
| 186280 | Feb 15, 1983 | Feb 15, 1983 | Walter Oil & Gas Corporation | Fisher | Davenport #1 | 5,000 | 15131627 |
| 180685 | Dec 16, 1982 | Dec 16, 1982 | Walter Oil & Gas Corporation | Baylor | Lohman #1 | 6,000 | 02330899 |
| 181683 | Dec 9, 1982 | Dec 9, 1982 | Walter Oil & Gas Corporation | Baylor | Walker Cattle Company #1 | 5,918 | 02330903 |
| 180687 | Dec 2, 1982 | Dec 2, 1982 | Walter Oil & Gas Corporation | Baylor | Lohman #2 | 5,840 | 02330900 |
| 179415 | Nov 24, 1982 | Nov 24, 1982 | Walter Oil & Gas Corporation | Baylor | Bittner #1 | 5,253 | 02330891 |
| 181056 | Nov 17, 1982 | Nov 17, 1982 | Walter Oil & Gas Corporation | Baylor | Martin, Florence #1 | 5,628 | 02330892 |
| 179006 | Nov 12, 1982 | Nov 12, 1982 | Walter Oil & Gas Corporation | Baylor | Elnora Nolte Unit #1 | 5,500 | 02330882 |
| 172846 | Sep 17, 1982 | Sep 17, 1982 | Walter Oil & Gas Corporation | Baylor | Green, F. C. Estate-230 #1 | 5,589 | 02330871 |
| 171434 | Sep 3, 1982 | Sep 3, 1982 | Walter Oil & Gas Corporation | Baylor | Livingston, F. - 3120 #1 | 5,500 | 02330865 |
| 171349 | Sep 1, 1982 | Sep 1, 1982 | Walter Oil & Gas Corporation | Chambers | Kilgore #1 | 6,516 | 07131372 |
| 170347 | Aug 25, 1982 | Aug 25, 1982 | Walter Oil & Gas Corporation | Chambers | A. B. Lawrence #1 | 6,616 | 07131370 |
| 168915 | Aug 10, 1982 | Aug 10, 1982 | Walter Oil & Gas Corporation | Chambers | Rauch-Speer Unit #2 | 6,516 | 07131365 |
| 168290 | Jul 27, 1982 | Jul 27, 1982 | Walter Oil & Gas Corporation | Baylor | Cockrell, M. W. - 3117 #1 | 5,500 | 02330854 |
| 168023 | Jul 2, 1982 | Jul 2, 1982 | Walter Oil & Gas Corporation | Baylor | Livingston, F. L. - 3121 #1 | 5,550 | 02330853 |
| 183453 | Jan 13, 1982 | Jan 13, 1982 | Walter Oil & Gas Corporation | McMullen | Bracken, J. A. 4 #604 | 9,950 | 31131801 |
| 140739 | Nov 16, 1981 | Nov 16, 1981 | Walter Oil & Gas Corporation | Harris | Hornberger Unit #1 | 9,750 | 20131316 |
| 131634 | Aug 31, 1981 | Aug 31, 1981 | Walter Oil & Gas Corporation | Matagorda | Stewart, Melva #1 | 11,111 | 32131158 |