| 393924 | Nov 13, 1991 | Nov 13, 1991 | American Exploration Company | Lavaca | Borchers , William #11 | 3,160 | 28530193 |
| 393029 | Nov 6, 1991 | Nov 6, 1991 | American Exploration Company | Lavaca | Ploeger, Dorothy "B" #1 | 1,450 | 28530214 |
| 393453 | Oct 30, 1991 | Oct 30, 1991 | American Exploration Company | Gaines | Granberry #3 | 5,600 | 16534397 |
| 392150 | Oct 10, 1991 | Oct 10, 1991 | American Exploration Company | Gaines | American Bass #2 | 5,200 | 16534388 |
| 392150Amendment | Oct 10, 1991 | Oct 10, 1991 | American Exploration Company | Gaines | American Bass #2 | 8,000 | 16534388 |
| 392027 | Sep 29, 1991 | Sep 29, 1991 | American Exploration Company | Crockett | H&H West 1 #4 | 9,600 | 10536005 |
| 392058 | Sep 24, 1991 | Sep 24, 1991 | American Exploration Company | Crockett | H & H Drilling 39 #5 | 9,450 | 10536010 |
| 392057 | Sep 23, 1991 | Sep 23, 1991 | American Exploration Company | Crockett | Jones Ranch 38 #5 | 8,400 | 10536007 |
| 392025 | Sep 20, 1991 | Sep 20, 1991 | American Exploration Company | Crockett | H&H West 1 #5 | 9,800 | 10536006 |
| 391817 | Sep 12, 1991 | Sep 12, 1991 | American Exploration Company | Crockett | Scheuber 30 #9 | 9,000 | 10536002 |
| 390915 | Aug 19, 1991 | Aug 19, 1991 | American Exploration Company | San Patricio | Jones, Nevada et Al #1 | 13,483 | 40931501 |
| 390527 | Aug 6, 1991 | Aug 6, 1991 | American Exploration Company | Lavaca | Borchers, Williams #12 | 4,377 | 28530207 |
| 390435 | Aug 2, 1991 | Aug 2, 1991 | American Exploration Company | Lavaca | Borchers, William #13 | 840 | 28530206 |
| 390426 | Aug 2, 1991 | Aug 2, 1991 | American Exploration Company | Hidalgo | Longoria #1 | 9,300 | 21530882 |
| 389808 | Jul 15, 1991 | Jul 15, 1991 | American Exploration Company | Gaines | American Bass #1 | 5,200 | 16534368 |
| 389432 | Jul 9, 1991 | Jul 9, 1991 | American Exploration Company | Crockett | Henderson 4 #1 | 7,921 | 10531626 |
| 389432Amendment | Jul 9, 1991 | Jul 9, 1991 | American Exploration Company | Crockett | Henderson #401 | 8,900 | 10531626 |
| 389457 | Jul 1, 1991 | Jul 1, 1991 | American Exploration Company | Jackson | Brooking, G.T. #38 | 9,150 | 23930448 |
| 388997 | Jun 25, 1991 | Jun 25, 1991 | American Exploration Company | Lavaca | Borchers, William -B- #3 | 4,160 | 28530197 |
| 388840 | Jun 14, 1991 | Jun 14, 1991 | American Exploration Company | Sutton | Mayfield 40 #4 | 8,700 | 43533747 |
| 388550 | Jun 14, 1991 | Jun 14, 1991 | American Exploration Company | Fisher | Townsend, W. R. #1 | 4,570 | 15101847 |
| 388362 | May 29, 1991 | May 29, 1991 | American Exploration Company | Jackson | Brooking, G.T. #38 | 7,530 | 23930448 |
| 388053 | May 21, 1991 | May 21, 1991 | American Exploration Company | Sutton | Askew/Glimp 42 #4 | 6,435 | 43533802 |
| 387915 | May 17, 1991 | May 17, 1991 | American Exploration Company | Sutton | Fields 21 #5 | 7,400 | 43533801 |
| 387897 | May 13, 1991 | May 13, 1991 | American Exploration Company | Jackson | Brookings, G. T. #35 | 7,350 | 23930413 |
| 387316 | May 2, 1991 | May 2, 1991 | American Exploration Company | Fisher | Ocho Juan Unit #7010A | 6,400 | 15132292 |
| 387238 | Apr 29, 1991 | Apr 29, 1991 | American Exploration Company | Chambers | State Tract 288 #13 | 10,220 | 07130812 |
| 387237 | Apr 29, 1991 | Apr 29, 1991 | American Exploration Company | Jackson | Brooking, G.T. #37 | 7,680 | 23930444 |
| 387236 | Apr 28, 1991 | Apr 28, 1991 | American Exploration Company | Chambers | State Tract 307 (Swrfrgu #1) #10 | 13,200 | 07131714 |
| 386930 | Apr 23, 1991 | Apr 23, 1991 | American Exploration Company | Fisher | Ocho Juan Unit #7010 | 6,400 | 15132290 |
| 384571 | Mar 15, 1991 | Mar 15, 1991 | American Exploration Company | Winkler | Cowden, E. W. #6 | 2,750 | 49503672 |
| 385395 | Mar 11, 1991 | Mar 11, 1991 | American Exploration Company | Sutton | Mayer 36 #4 | 7,500 | 43533755 |
| 385395Amendment | Mar 11, 1991 | Mar 11, 1991 | American Exploration Company | Sutton | Mayer 36 #4 | 7,500 | 43533755 |
| 385394 | Mar 11, 1991 | Mar 11, 1991 | American Exploration Company | Sutton | Mayer 47 #2 | 8,700 | 43533756 |
| 385393 | Mar 11, 1991 | Mar 11, 1991 | American Exploration Company | Sutton | Mayer 47 #3 | 8,700 | 43533757 |
| 384209 | Mar 5, 1991 | Mar 5, 1991 | American Exploration Company | Sutton | Mayer 19 #3 | 8,000 | 43533730 |
| 385222 | Mar 1, 1991 | Mar 1, 1991 | American Exploration Company | Gaines | American - Lanell Farms #1 | 5,100 | 16534328 |
| 384935 | Mar 1, 1991 | Mar 1, 1991 | American Exploration Company | Crockett | Montgomery 1 #3 | 7,500 | 10535936 |
| 385120 | Feb 28, 1991 | Feb 28, 1991 | American Exploration Company | Sutton | Mayfield 40 #4 | 8,700 | 43533747 |
| 385120Amendment | Feb 28, 1991 | Feb 28, 1991 | American Exploration Company | Sutton | Mayfield 40 #4 | 8,700 | 43533747 |
| 384993 | Feb 28, 1991 | Feb 28, 1991 | American Exploration Company | Sutton | Fields 15 #7 | 6,200 | 43533744 |
| 384992 | Feb 28, 1991 | Feb 28, 1991 | American Exploration Company | Sutton | Vanderstucken 49 #7 | 6,450 | 43533743 |
| 383177 | Feb 19, 1991 | Feb 19, 1991 | American Exploration Company | Webb | So. Lopez Unit #2303 | 2,100 | 47935110 |
| 383464 | Feb 15, 1991 | Feb 15, 1991 | American Exploration Company | Winkler | Brown-Altman "B" #3 | 2,750 | 49502443 |
| 384263 | Feb 11, 1991 | Feb 11, 1991 | American Exploration Company | Sutton | Mayer 4 #2 | 9,000 | 43533733 |
| 384260 | Feb 11, 1991 | Feb 11, 1991 | American Exploration Company | Sutton | Shurley 166 #6 | 7,800 | 43533734 |
| 383077 | Feb 7, 1991 | Feb 7, 1991 | American Exploration Company | Winkler | Brown Altman "D" #6 | 2,750 | 49502638 |
| 384003 | Feb 4, 1991 | Feb 4, 1991 | American Exploration Company | Sutton | Allison 54 #3 | 6,500 | 43533728 |
| 382802 | Jan 30, 1991 | Jan 30, 1991 | American Exploration Company | Winkler | Brown-Altman "E" #1 | 2,750 | 49502656 |
| 383986 | Jan 29, 1991 | Jan 29, 1991 | American Exploration Company | Sutton | Galbreath 66 #8 | 6,500 | 43533727 |
| 383720 | Jan 24, 1991 | Jan 24, 1991 | American Exploration Company | Ochiltree | Parnell #9 | 7,500 | 35731965 |
| 383176 | Jan 15, 1991 | Jan 15, 1991 | American Exploration Company | Webb | Webb Co. School Land #A 2 | 7,000 | 47930431 |
| 382958 | Jan 11, 1991 | Jan 11, 1991 | American Exploration Company | Sutton | Galbreath 65 #6 | 6,600 | 43533716 |
| 382461Amendment | Jan 10, 1991 | Jan 10, 1991 | American Exploration Company | Brazos-LB | State Tract 446L N.W. #5 | 9,065 | 70400035 |
| 382240 | Dec 19, 1990 | Dec 19, 1990 | American Exploration Company | Sutton | Sawyer 144 #8 | 7,800 | 43533701 |
| 382239 | Dec 17, 1990 | Dec 17, 1990 | American Exploration Company | Sutton | Kelly 35 #4 | 8,000 | 43533700 |
| 381882 | Dec 17, 1990 | Dec 17, 1990 | American Exploration Company | McMullen | Layton "A" #3 | 10,300 | 31132875 |
| 381878 | Dec 14, 1990 | Dec 14, 1990 | American Exploration Company | McMullen | Discher, H. A. #11 | 10,200 | 31132876 |
| 381885 | Dec 12, 1990 | Dec 12, 1990 | American Exploration Company | McMullen | Discher "A" #4 | 10,100 | 31132874 |
| 380640 | Dec 10, 1990 | Dec 10, 1990 | American Exploration Company | McMullen | Discher -B- #2 | 10,200 | 31132868 |
| 381684 | Dec 7, 1990 | Dec 7, 1990 | American Exploration Company | Sutton | Ward 114 #8 | 7,500 | 43533696 |
| 381682 | Dec 7, 1990 | Dec 7, 1990 | American Exploration Company | Sutton | Shurley 110 #6 | 7,350 | 43533697 |
| 381613 | Nov 27, 1990 | Nov 27, 1990 | American Exploration Company | Sutton | Fields 19 #6 | 6,750 | 43533695 |
| 380638 | Nov 15, 1990 | Nov 15, 1990 | American Exploration Company | McMullen | Williams "A" #4A | 10,550 | 31132865 |
| 380639 | Nov 13, 1990 | Nov 13, 1990 | American Exploration Company | McMullen | Lange #4 | 10,300 | 31132867 |
| 380637 | Nov 9, 1990 | Nov 9, 1990 | American Exploration Company | McMullen | Henry #3 | 10,200 | 31132866 |
| 380597 | Nov 8, 1990 | Nov 8, 1990 | American Exploration Company | Sutton | Pfluger 84 #8 | 6,100 | 43533686 |
| 380593 | Nov 8, 1990 | Nov 8, 1990 | American Exploration Company | Sutton | Pfluger 85 #7 | 5,800 | 43533683 |
| 380590 | Nov 8, 1990 | Nov 8, 1990 | American Exploration Company | Sutton | David 109 #9 | 6,000 | 43533685 |
| 380591 | Nov 6, 1990 | Nov 6, 1990 | American Exploration Company | Sutton | Pfluger 105 #9 | 6,100 | 43533684 |
| 380106 | Nov 1, 1990 | Nov 1, 1990 | American Exploration Company | Crockett | Henderson 23 #3 | 7,500 | 10535908 |
| 379920 | Nov 1, 1990 | Nov 1, 1990 | American Exploration Company | Crockett | Henderson 25 #5 | 7,500 | 10535906 |
| 379956 | Oct 22, 1990 | Oct 22, 1990 | American Exploration Company | Sutton | Shurley 165 #2 | 6,600 | 43531116 |
| 379863 | Oct 22, 1990 | Oct 22, 1990 | American Exploration Company | Webb | Webb County School Land #7 | 7,000 | 47935114 |
| 379862 | Oct 22, 1990 | Oct 22, 1990 | American Exploration Company | Webb | Webb County School Land "A" #8 | 7,000 | 47935115 |
| 379861 | Oct 22, 1990 | Oct 22, 1990 | American Exploration Company | Webb | Webb County School Land #9 | 7,000 | 47935113 |
| 379115 | Oct 12, 1990 | Oct 12, 1990 | American Exploration Company | Sutton | Mayfield 34 #8 | 8,000 | 43533680 |
| 379009 | Oct 5, 1990 | Oct 5, 1990 | American Exploration Company | Webb | So. Lopez Unit #2213 | 2,400 | 47935109 |
| 379008 | Oct 5, 1990 | Oct 5, 1990 | American Exploration Company | Webb | So. Lopez #2303 | 2,300 | 47935110 |
| 378683 | Oct 5, 1990 | Oct 5, 1990 | American Exploration Company | Lipscomb | Tyson, R. B. -A- #2 | 10,400 | 29531909 |
| 378918 | Oct 4, 1990 | Oct 4, 1990 | American Exploration Company | Howard | Snyder, Susie B. #13 | 3,050 | 22701936 |
| 378907 | Oct 4, 1990 | Oct 4, 1990 | American Exploration Company | Howard | Snyder, Susie B. #15 | 3,050 | 22701938 |
| 378896 | Oct 4, 1990 | Oct 4, 1990 | American Exploration Company | Howard | Snyder, Susie B. #8 | 3,050 | 22701933 |
| 378895 | Oct 4, 1990 | Oct 4, 1990 | American Exploration Company | Howard | Snyder, Susie B. #4 | 3,050 | 22701928 |
| 378892 | Oct 4, 1990 | Oct 4, 1990 | American Exploration Company | Howard | Snyder, Susie B. #9 | 3,050 | 22701934 |
| 378891 | Oct 4, 1990 | Oct 4, 1990 | American Exploration Company | Howard | Snyder, Susie B. #14 | 3,050 | 22701937 |
| 376277 | Sep 21, 1990 | Sep 21, 1990 | American Exploration Company | Gray | Combs Worley "A" #20 | 3,400 | 17931996 |
| 376276 | Sep 21, 1990 | Sep 21, 1990 | American Exploration Company | Gray | Combs & Worley "A" #21 | 3,400 | 17931997 |
| 377742 | Sep 12, 1990 | Sep 12, 1990 | American Exploration Company | Sutton | Mayfield 39 #8 | 8,000 | 43533672 |
| 377741 | Sep 12, 1990 | Sep 12, 1990 | American Exploration Company | Sutton | Mayfield 45 #4 | 7,700 | 43533671 |
| 377740 | Sep 12, 1990 | Sep 12, 1990 | American Exploration Company | Sutton | Mayfield 34 #7 | 7,850 | 43533670 |
| 377532 | Sep 7, 1990 | Sep 7, 1990 | American Exploration Company | Ochiltree | Blasingame #5 | 7,500 | 35731956 |
| 377532Amendment | Sep 7, 1990 | Sep 7, 1990 | American Exploration Company | Ochiltree | Blasingame #5 | 7,500 | 35731956 |
| 377532Amendment | Sep 7, 1990 | Sep 7, 1990 | American Exploration Company | Ochiltree | Blasingame #5 | 7,400 | 35731956 |
| 376844 | Aug 23, 1990 | Aug 23, 1990 | American Exploration Company | Sutton | Richardson 4 #4 | 8,000 | 43533666 |
| 376199 | Aug 3, 1990 | Aug 3, 1990 | American Exploration Company | McMullen | Horton, R. P. #10 | 10,100 | 31132848 |
| 376197 | Aug 2, 1990 | Aug 2, 1990 | American Exploration Company | McMullen | Wheeler, Nora #6 | 10,200 | 31132847 |
| 375890 | Jul 30, 1990 | Jul 30, 1990 | American Exploration Company | Sutton | Richardson 139 #4 | 7,700 | 43533663 |
| 375761 | Jul 24, 1990 | Jul 24, 1990 | American Exploration Company | Dimmit | Elaine (5100) Unit #95 | 5,300 | 12732911 |
| 375554Amendment | Jul 24, 1990 | Jul 24, 1990 | American Exploration Company | Lavaca | Borchers, Wm. #2A | 2,100 | 28530158 |