| 390893 | Aug 14, 1991 | Aug 14, 1991 | Maxus Exploration Company | Hemphill | Urschel #5049 | 7,350 | 21131963 |
| 387472 | May 8, 1991 | May 8, 1991 | Maxus Exploration Company | Hemphill | Urschel 57 #3 | 13,300 | 21131956 |
| 387408 | May 8, 1991 | May 8, 1991 | Maxus Exploration Company | Moore | Brumley Gulf #2 | 3,400 | 34132207 |
| 387473 | May 7, 1991 | May 7, 1991 | Maxus Exploration Company | Ochiltree | Glasgow, H. T. #2 | 7,500 | 35731969 |
| 387273 | May 3, 1991 | May 3, 1991 | Maxus Exploration Company | Hartley | Walker Ranch #1 | 7,000 | 20530227 |
| 384186 | Mar 1, 1991 | Mar 1, 1991 | Maxus Exploration Company | Andrews | Hitzelberger #2025 | 8,800 | 00336883 |
| 384546 | Feb 15, 1991 | Feb 15, 1991 | Maxus Exploration Company | Ochiltree | Ellis, Carl "F" #2 | 9,010 | 35702025 |
| 382565 | Jan 2, 1991 | Jan 2, 1991 | Maxus Exploration Company | Moore | Brown #7 | 3,700 | 34132201 |
| 382565Amendment | Jan 2, 1991 | Jan 2, 1991 | Maxus Exploration Company | Moore | Brown #7 | 3,700 | 34132201 |
| 382170 | Dec 17, 1990 | Dec 17, 1990 | Maxus Exploration Company | Lipscomb | Piper, Ola O. #11 | 7,900 | 29531740 |
| 382162 | Dec 17, 1990 | Dec 17, 1990 | Maxus Exploration Company | Hemphill | Urschel 58 #2 | 7,300 | 21131950 |
| 381202 | Nov 16, 1990 | Nov 16, 1990 | Maxus Exploration Company | Scurry | Adams #1156 | 8,500 | 41533113 |
| 380850 | Nov 15, 1990 | Nov 15, 1990 | Maxus Exploration Company | Wharton | Dorotik, Jerome #1 | 8,200 | 48133456 |
| 379209 | Oct 10, 1990 | Oct 10, 1990 | Maxus Exploration Company | Hemphill | Urschel 49 #3 | 16,625 | 21131946 |
| 378980 | Oct 4, 1990 | Oct 4, 1990 | Maxus Exploration Company | Moore | Smith, Dale #2R | 3,700 | 34132189 |
| 377623 | Oct 2, 1990 | Oct 2, 1990 | Maxus Exploration Company | Lipscomb | Turner, Rose C. #2541 | 10,300 | 29531906 |
| 378199 | Sep 21, 1990 | Sep 21, 1990 | Maxus Exploration Company | Moore | Smith, Dale #2 | 3,700 | 34132187 |
| 377154 | Aug 29, 1990 | Aug 29, 1990 | Maxus Exploration Company | Hemphill | Brown, Charles E. et al "D" #15 | 12,300 | 21131944 |
| 375005 | Jul 2, 1990 | Jul 2, 1990 | Maxus Exploration Company | Ochiltree | Ellis, Carl "H" #1 | 9,175 | 35700586 |
| 374261 | Jun 14, 1990 | Jun 14, 1990 | Maxus Exploration Company | Ochiltree | Rifenburg, Ida O. #3 | 9,010 | 35731706 |
| 374158 | Jun 11, 1990 | Jun 11, 1990 | Maxus Exploration Company | Ochiltree | Littau, L. H. #3 | 9,100 | 35731952 |
| 372267 | Jun 5, 1990 | Jun 5, 1990 | Maxus Exploration Company | Frio | Biediger, F. #102STH | 4,200 | 16300633 |
| 373805 | May 29, 1990 | May 29, 1990 | Maxus Exploration Company | Parker | Coomer, J.S. #2 | 6,900 | 36731873 |
| 373625 | May 23, 1990 | May 23, 1990 | Maxus Exploration Company | Moore | Sweatt #2 | 3,400 | 34132178 |
| 370435 | Mar 1, 1990 | Mar 1, 1990 | Maxus Exploration Company | Colorado | Bunge et Al #1 | 8,000 | 08931785 |
| 367589 | Dec 15, 1989 | Dec 15, 1989 | Maxus Exploration Company | Lipscomb | Waters, Oliver et UX #1240 | 10,100 | 29531793 |
| 367063 | Dec 6, 1989 | Dec 6, 1989 | Maxus Exploration Company | Andrews | Hitzelberger #1025 | 8,800 | 00336603 |
| 366498 | Nov 17, 1989 | Nov 17, 1989 | Maxus Exploration Company | Lipscomb | Citizens National Bank Trust "G" #4 | 10,590 | 29500942 |
| 366390 | Nov 15, 1989 | Nov 15, 1989 | Maxus Exploration Company | Goliad | Boehl, Mathilda et Al #1 | 12,500 | 17532463 |
| 365221 | Oct 18, 1989 | Oct 18, 1989 | Maxus Exploration Company | Hansford | Steele, Edith B. "B" #4 | 7,100 | 19531073 |
| 364674 | Oct 6, 1989 | Oct 6, 1989 | Maxus Exploration Company | Lipscomb | Tubb, George E. "D" #3371 | 8,300 | 29531864 |
| 364360 | Sep 27, 1989 | Sep 27, 1989 | Maxus Exploration Company | Ochiltree | Brillhart, S. L. #3 | 9,250 | 35731244 |
| 364064 | Sep 25, 1989 | Sep 25, 1989 | Maxus Exploration Company | Wharton | Ammann, Homer Trust #1ST | 8,050 | 48133232 |
| 364054 | Sep 20, 1989 | Sep 20, 1989 | Maxus Exploration Company | Andrews | McWhorter "B" #2024 | 8,800 | 00336522 |
| 363718 | Sep 8, 1989 | Sep 8, 1989 | Maxus Exploration Company | Lynn | Mathers, Leilla Y. #1403 | 9,363 | 30530242 |
| 363028 | Aug 23, 1989 | Aug 23, 1989 | Maxus Exploration Company | Wharton | Fucik, David #1 | 8,000 | 48133293 |
| 362982 | Aug 23, 1989 | Aug 23, 1989 | Maxus Exploration Company | Borden | Westbrook #1047 | 10,000 | 03331413 |
| 361224 | Jul 10, 1989 | Jul 10, 1989 | Maxus Exploration Company | Hemphill | Jarvis, Billy & Sons, Inc. et Al #3 | 7,492 | 21130553 |
| 358261 | Apr 20, 1989 | Apr 20, 1989 | Maxus Exploration Company | Victoria | Lowery, J. W. et Al #105 | 10,500 | 46932662 |
| 358261Amendment | Apr 20, 1989 | Apr 20, 1989 | Maxus Exploration Company | Victoria | Lowery, J. W. et Al #105 | 10,500 | 46932662 |
| 357397 | Mar 27, 1989 | Mar 27, 1989 | Maxus Exploration Company | Andrews | McWhorter #1024 | 11,700 | 00336352 |
| 356912 | Mar 15, 1989 | Mar 15, 1989 | Maxus Exploration Company | Wharton | Ilse-Miller #2 | 8,201 | 48133129 |
| 356032 | Feb 14, 1989 | Feb 14, 1989 | Maxus Exploration Company | Hemphill | Lockhart, Thomas Howard #1057 | 12,300 | 21131902 |
| 355802 | Feb 7, 1989 | Feb 7, 1989 | Maxus Exploration Company | Hemphill | Isaacs, John C. Jr. et al "F" #5 | 11,000 | 21130539 |
| 355184 | Jan 18, 1989 | Jan 18, 1989 | Maxus Exploration Company | Wharton | Ammann, Homer Trust #1 | 8,000 | 48133232 |
| 354478 | Dec 21, 1988 | Dec 21, 1988 | Maxus Exploration Company | Andrews | McWhorter #105 | 11,700 | 00336297 |
| 354204 | Dec 13, 1988 | Dec 13, 1988 | Maxus Exploration Company | Andrews | McWhorter #107 | 11,700 | 00336289 |
| 353950 | Dec 7, 1988 | Dec 7, 1988 | Maxus Exploration Company | Ochiltree | Littau, L. H. #2 | 9,012 | 35702054 |
| 353039 | Nov 14, 1988 | Nov 14, 1988 | Maxus Exploration Company | Wharton | Schumaker, Alice #1 | 8,000 | 48133209 |
| 353039Amendment | Nov 14, 1988 | Nov 14, 1988 | Maxus Exploration Company | Wharton | Schumaker, Alice et Al #1 | 8,000 | 48133209 |
| 352101 | Oct 11, 1988 | Oct 11, 1988 | Maxus Exploration Company | Wharton | Schumaker #1 | 8,500 | 48133199 |
| 352101Amendment | Oct 11, 1988 | Oct 11, 1988 | Maxus Exploration Company | Wharton | Schumaker Gene L. #1 | 8,500 | 48133199 |
| 348848 | Sep 26, 1988 | Sep 26, 1988 | Maxus Exploration Company | Hemphill | Hoobler #2096 | 11,100 | 21131893 |
| 348753 | Jul 14, 1988 | Jul 14, 1988 | Maxus Exploration Company | Sherman | Cator, Marshall #2 | 3,400 | 42130423 |
| 348579 | Jul 8, 1988 | Jul 8, 1988 | Maxus Exploration Company | Wharton | Vineyard, Robert S. #1 | 8,150 | 48133179 |
| 348579Amendment | Jul 8, 1988 | Jul 8, 1988 | Maxus Exploration Company | Wharton | Vineyard, Robert S. #1 | 8,150 | 48133179 |
| 348467 | Jul 8, 1988 | Jul 8, 1988 | Maxus Exploration Company | Moore | Jones, C. R. #2 | 3,600 | 34132062 |
| 347390 | Jun 6, 1988 | Jun 6, 1988 | Maxus Exploration Company | Lipscomb | Wheat, James Roland "A" #1276 | 11,300 | 29531804 |
| 347389 | Jun 6, 1988 | Jun 6, 1988 | Maxus Exploration Company | Lipscomb | Gentili, Josephine #1239 | 11,550 | 29531803 |
| 347389Amendment | Jun 6, 1988 | Jun 6, 1988 | Maxus Exploration Company | Lipscomb | Gentili, Josephine #1239 | 11,550 | 29531803 |
| 347389Amendment | Jun 6, 1988 | Jun 6, 1988 | Maxus Exploration Company | Lipscomb | Gentili, Josephine #1239 | 11,550 | 29531803 |
| 347111 | May 27, 1988 | May 27, 1988 | Maxus Exploration Company | Moore | McDade #5 | 3,600 | 34132056 |
| 346872 | May 26, 1988 | May 26, 1988 | Maxus Exploration Company | Ochiltree | Ellis, Drew et al "C" #3 | 7,954 | 35731386 |
| 346319 | May 10, 1988 | May 10, 1988 | Maxus Exploration Company | Roberts | Chambers, John Stanley #1120 | 12,150 | 39331127 |
| 345672 | Apr 27, 1988 | Apr 27, 1988 | Maxus Exploration Company | Ochiltree | Ellis, Carl "F" #2 | 8,360 | 35702025 |
| 345672Amendment | Apr 27, 1988 | Apr 27, 1988 | Maxus Exploration Company | Ochiltree | Ellis, Carl "F" #2 | 8,360 | 35702025 |
| 345410 | Apr 19, 1988 | Apr 19, 1988 | Maxus Exploration Company | Sutton | Zapata #1024 | 6,500 | 43533418 |
| 344161 | Apr 15, 1988 | Apr 15, 1988 | Maxus Exploration Company | Roberts | Waterfield, James B. "B" #3 | 11,980 | 39330765 |
| 344881 | Apr 8, 1988 | Apr 8, 1988 | Maxus Exploration Company | Lipscomb | Citizens National Bank Trustee A #1 | 11,530 | 29500931 |
| 344685 | Apr 5, 1988 | Apr 5, 1988 | Maxus Exploration Company | Lipscomb | Zelma Guy #2 | 9,400 | 29530920 |
| 344490 | Mar 29, 1988 | Mar 29, 1988 | Maxus Exploration Company | Ochiltree | Ellis, Carl "H" #1 | 7,960 | 35700586 |
| 344259 | Mar 25, 1988 | Mar 25, 1988 | Maxus Exploration Company | Lipscomb | Waters, Oliver et UX #1240 | 10,350 | 29531793 |
| 343915 | Mar 21, 1988 | Mar 21, 1988 | Maxus Exploration Company | Parker | Smith, E B "A" #3 | 6,130 | 36732915 |
| 343747 | Mar 10, 1988 | Mar 10, 1988 | Maxus Exploration Company | Hemphill | Webb, Arthur "B" #2 | 12,600 | 21131888 |
| 343530 | Mar 10, 1988 | Mar 10, 1988 | Maxus Exploration Company | Parker | Newsom #1 | 6,100 | 36731133 |
| 342531 | Mar 8, 1988 | Mar 8, 1988 | Maxus Exploration Company | Ochiltree | Ellis, Carl "G" #2 | 8,000 | 35700582 |
| 341064 | Jan 15, 1988 | Jan 15, 1988 | Maxus Exploration Company | Mustang IS-LB | State Lease 90616 #1 | 12,500 | 70230231 |
| 339345 | Nov 25, 1987 | Nov 25, 1987 | Maxus Exploration Company | Glasscock | Calverley #9024 | 8,100 | 17332010 |
| 339260 | Nov 24, 1987 | Nov 24, 1987 | Maxus Exploration Company | Wharton | Ilse-Miller #2 | 8,201 | 48133129 |
| 339014 | Nov 23, 1987 | Nov 23, 1987 | Maxus Exploration Company | Lipscomb | Bonk #1 | 11,450 | 29531776 |
| 339014Amendment | Nov 23, 1987 | Nov 23, 1987 | Maxus Exploration Company | Lipscomb | Bonk #1 | 8,586 | 29531776 |
| 338559 | Nov 12, 1987 | Nov 12, 1987 | Maxus Exploration Company | Brazoria | Jones, E. W. et Al #1 | 11,600 | 03932240 |
| 338346 | Nov 5, 1987 | Nov 5, 1987 | Maxus Exploration Company | Terry | Brown #3389 | 11,400 | 44531503 |
| 337905 | Oct 26, 1987 | Oct 26, 1987 | Maxus Exploration Company | Roberts | Webb, Lois #2083 | 11,000 | 39330192 |
| 335766 | Oct 19, 1987 | Oct 19, 1987 | Maxus Exploration Company | Lipscomb | Blackmore, Elna Thomas #2367 | 10,300 | 29531759 |
| 336689 | Oct 5, 1987 | Oct 5, 1987 | Maxus Exploration Company | Glasscock | Calverley, Steve Jr. "B" #1114 | 8,200 | 17332001 |
| 336557 | Sep 30, 1987 | Sep 30, 1987 | Maxus Exploration Company | Wharton | Ilse-Miller #1A | 8,100 | 48133106 |
| 336129 | Sep 21, 1987 | Sep 21, 1987 | Maxus Exploration Company | Glasscock | McCartt #1014 | 8,500 | 17331999 |
| 329809 | Sep 21, 1987 | Sep 21, 1987 | Maxus Exploration Company | Ochiltree | McLain, Samuel "D" #2 | 9,750 | 35731867 |
| 333681 | Aug 28, 1987 | Aug 28, 1987 | Maxus Exploration Company | Ochiltree | Dutcher, W. H. "A" #3 | 9,800 | 35731879 |
| 334825 | Aug 24, 1987 | Aug 24, 1987 | Maxus Exploration Company | Ochiltree | Flowers, Clem G. "A" #3 | 11,150 | 35731881 |
| 334511 | Aug 19, 1987 | Aug 19, 1987 | Maxus Exploration Company | Glasscock | Cookbook #1024 | 8,500 | 17331995 |
| 334456 | Aug 18, 1987 | Aug 18, 1987 | Maxus Exploration Company | Ochiltree | McGarraugh et al "G" #4138 | 9,150 | 35731797 |
| 334186 | Aug 11, 1987 | Aug 11, 1987 | Maxus Exploration Company | Wharton | Ilse-Miller #1 | 8,100 | 48133087 |
| 333175 | Aug 5, 1987 | Aug 5, 1987 | Maxus Exploration Company | Freestone | Baum "A" #1 | 12,256 | 16130458 |
| 330496 | Aug 3, 1987 | Aug 3, 1987 | Maxus Exploration Company | Lipscomb | Parks, Franklin Garner #2719 | 10,250 | 29531742 |
| 333544 | Jul 29, 1987 | Jul 29, 1987 | Maxus Exploration Company | Lipscomb | Wheat, James Roland "C" #1363 | 11,100 | 29531751 |
| 333567 | Jul 28, 1987 | Jul 28, 1987 | Maxus Exploration Company | Ochiltree | McGarraugh et al "G" #6138 | 9,400 | 35731878 |
| 333456 | Jul 28, 1987 | Jul 28, 1987 | Maxus Exploration Company | Lipscomb | Becker, Leroy #2636 | 9,350 | 29531022 |
| 333427 | Jul 28, 1987 | Jul 28, 1987 | Maxus Exploration Company | Lipscomb | Parnell, Sidney A. #1188 | 11,950 | 29531750 |