| 401883 | Aug 6, 1992 | Aug 6, 1992 | Transamerican Natural Gas Corp. | Zapata | Haynes "B" #3 | 12,700 | 50532907 |
| 401883Amendment | Aug 6, 1992 | Aug 6, 1992 | Transamerican Natural Gas Corp. | Zapata | Haynes "B" #3 | 14,350 | 50532907 |
| 401707 | Aug 6, 1992 | Aug 6, 1992 | Transamerican Natural Gas Corp. | Webb | Carr #60 | 9,700 | 47935548 |
| 401881 | Aug 5, 1992 | Aug 5, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla Ranch #169 | 10,300 | 50532908 |
| 401625 | Jul 28, 1992 | Jul 28, 1992 | Transamerican Natural Gas Corp. | Zapata | L.F.T. #5 | 11,700 | 50532902 |
| 401625Amendment | Jul 28, 1992 | Jul 28, 1992 | Transamerican Natural Gas Corp. | Zapata | L.F.T. #5 | 14,500 | 50532902 |
| 401625Amendment | Jul 28, 1992 | Jul 28, 1992 | Transamerican Natural Gas Corp. | Zapata | L.F.T. #5 | 14,500 | 50532902 |
| 401463 | Jul 22, 1992 | Jul 22, 1992 | Transamerican Natural Gas Corp. | Webb | Day #5 | 9,900 | 47935533 |
| 401014 | Jul 9, 1992 | Jul 9, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla "A" #7 | 10,000 | 50532898 |
| 401013 | Jul 9, 1992 | Jul 9, 1992 | Transamerican Natural Gas Corp. | Zapata | Canales #11 | 10,800 | 50532897 |
| 401012 | Jul 9, 1992 | Jul 9, 1992 | Transamerican Natural Gas Corp. | Webb | Carr #61 | 9,100 | 47935514 |
| 399801 | Jun 29, 1992 | Jun 29, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #70 | 6,300 | 50532167 |
| 400361 | Jun 23, 1992 | Jun 23, 1992 | Transamerican Natural Gas Corp. | Webb | Frost National Bank #46 | 8,500 | 47935497 |
| 400130 | Jun 16, 1992 | Jun 16, 1992 | Transamerican Natural Gas Corp. | Zapata | Alfonso #8 | 10,500 | 50532888 |
| 400129 | Jun 16, 1992 | Jun 16, 1992 | Transamerican Natural Gas Corp. | Webb | Vaquillas Ranch #11 | 12,100 | 47935491 |
| 400030 | Jun 16, 1992 | Jun 16, 1992 | Transamerican Natural Gas Corp. | Zapata | Uribe #1 | 12,800 | 50532887 |
| 399863 | Jun 5, 1992 | Jun 5, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #168 | 10,500 | 50532886 |
| 399496 | May 22, 1992 | May 22, 1992 | Transamerican Natural Gas Corp. | Webb | Carr #59 | 9,500 | 47935477 |
| 399272 | May 18, 1992 | May 18, 1992 | Transamerican Natural Gas Corp. | Zapata | Trevino #12 | 10,000 | 50532881 |
| 399093 | May 8, 1992 | May 8, 1992 | Transamerican Natural Gas Corp. | Webb | Lundell #64 | 10,200 | 47935467 |
| 399092 | May 8, 1992 | May 8, 1992 | Transamerican Natural Gas Corp. | Webb | Lundell "C" #3 | 10,200 | 47935466 |
| 399092Amendment | May 8, 1992 | May 8, 1992 | Transamerican Natural Gas Corp. | Webb | Lundell "C" #3 | 10,800 | 47935466 |
| 399091 | May 8, 1992 | May 8, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #167 | 10,200 | 50532880 |
| 399055 | May 7, 1992 | May 7, 1992 | Transamerican Natural Gas Corp. | Webb | Vaquillas "D" #1 | 9,500 | 47935465 |
| 399054 | May 7, 1992 | May 7, 1992 | Transamerican Natural Gas Corp. | Webb | Carr #58 | 9,700 | 47935464 |
| 399053 | May 7, 1992 | May 7, 1992 | Transamerican Natural Gas Corp. | Zapata | Herbst, M.V. #15 | 9,200 | 50532879 |
| 398827 | Apr 29, 1992 | Apr 29, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla "A" #6 | 10,000 | 50532876 |
| 398740 | Apr 27, 1992 | Apr 27, 1992 | Transamerican Natural Gas Corp. | Webb | Hubberd, William "C" #3 | 9,500 | 47935456 |
| 398740Amendment | Apr 27, 1992 | Apr 27, 1992 | Transamerican Natural Gas Corp. | Webb | Hubberd, William "C" #3 | 9,500 | 47935456 |
| 398740Amendment | Apr 27, 1992 | Apr 27, 1992 | Transamerican Natural Gas Corp. | Webb | Hubberd, William "C" #3 | 9,500 | 47935456 |
| 398440 | Apr 24, 1992 | Apr 24, 1992 | Transamerican Natural Gas Corp. | Zapata | Rodriguez Gas Unit #2 | 12,000 | 50532874 |
| 398440Amendment | Apr 24, 1992 | Apr 24, 1992 | Transamerican Natural Gas Corp. | Zapata | Rodriguez Gas Unit #2 | 12,000 | 50532874 |
| 398489 | Apr 17, 1992 | Apr 17, 1992 | Transamerican Natural Gas Corp. | Webb | Day #4 | 9,100 | 47935446 |
| 398489Amendment | Apr 17, 1992 | Apr 17, 1992 | Transamerican Natural Gas Corp. | Webb | Day #4 | 9,100 | 47935446 |
| 398489Amendment | Apr 17, 1992 | Apr 17, 1992 | Transamerican Natural Gas Corp. | Webb | Day #4 | 9,100 | 47935446 |
| 398332 | Apr 16, 1992 | Apr 16, 1992 | Transamerican Natural Gas Corp. | Webb | Lechenger #15 | 9,100 | 47935444 |
| 398215 | Apr 8, 1992 | Apr 8, 1992 | Transamerican Natural Gas Corp. | Zapata | Canales #10 | 10,800 | 50532873 |
| 398215Amendment | Apr 8, 1992 | Apr 8, 1992 | Transamerican Natural Gas Corp. | Zapata | Canales #10 | 10,800 | 50532873 |
| 398033 | Apr 6, 1992 | Apr 6, 1992 | Transamerican Natural Gas Corp. | Webb | Frost National Bank #45 | 8,500 | 47935438 |
| 397975 | Apr 6, 1992 | Apr 6, 1992 | Transamerican Natural Gas Corp. | Webb | B. M. T. #33 | 11,000 | 47935437 |
| 397975Amendment | Apr 6, 1992 | Apr 6, 1992 | Transamerican Natural Gas Corp. | Webb | B.M.T. #33 | 11,000 | 47935437 |
| 397941 | Mar 31, 1992 | Mar 31, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #166 | 10,300 | 50532870 |
| 397941Amendment | Mar 31, 1992 | Mar 31, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #166 | 10,700 | 50532870 |
| 397650 | Mar 20, 1992 | Mar 20, 1992 | Transamerican Natural Gas Corp. | Webb | Carr "B" #3 | 9,300 | 47935429 |
| 397467 | Mar 13, 1992 | Mar 13, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #165 | 10,300 | 50532869 |
| 397390 | Mar 11, 1992 | Mar 11, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #164 | 10,400 | 50532868 |
| 397263 | Mar 6, 1992 | Mar 6, 1992 | Transamerican Natural Gas Corp. | Webb | Schwarz #16 | 10,500 | 47935417 |
| 396957 | Mar 3, 1992 | Mar 3, 1992 | Transamerican Natural Gas Corp. | Zapata | Canales #9 | 10,300 | 50532866 |
| 396957Amendment | Mar 3, 1992 | Mar 3, 1992 | Transamerican Natural Gas Corp. | Zapata | Canales #9 | 10,800 | 50532866 |
| 396958 | Feb 27, 1992 | Feb 27, 1992 | Transamerican Natural Gas Corp. | Webb | Rottersman #10 | 10,800 | 47935408 |
| 396962 | Feb 25, 1992 | Feb 25, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #163 | 10,300 | 50532865 |
| 396697 | Feb 20, 1992 | Feb 20, 1992 | Transamerican Natural Gas Corp. | Zapata | Asche #23 | 11,700 | 50532863 |
| 396537 | Feb 10, 1992 | Feb 10, 1992 | Transamerican Natural Gas Corp. | Zapata | Trevino #11 | 10,000 | 50532862 |
| 396333 | Feb 5, 1992 | Feb 5, 1992 | Transamerican Natural Gas Corp. | Webb | Carr #57 | 9,400 | 47935401 |
| 396181 | Jan 27, 1992 | Jan 27, 1992 | Transamerican Natural Gas Corp. | Webb | Carr #56 | 9,500 | 47935392 |
| 396181Amendment | Jan 27, 1992 | Jan 27, 1992 | Transamerican Natural Gas Corp. | Webb | Carr #56 | 9,500 | 47935392 |
| 396180 | Jan 27, 1992 | Jan 27, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #162 | 10,300 | 50532859 |
| 396097 | Jan 23, 1992 | Jan 23, 1992 | Transamerican Natural Gas Corp. | Zapata | Haynes "B" #1 | 12,900 | 50532857 |
| 396097Amendment | Jan 23, 1992 | Jan 23, 1992 | Transamerican Natural Gas Corp. | Zapata | Haynes "B" #1 | 14,000 | 50532857 |
| 395891 | Jan 17, 1992 | Jan 17, 1992 | Transamerican Natural Gas Corp. | Zapata | Uribe #6 | 9,800 | 50532855 |
| 395700 | Jan 13, 1992 | Jan 13, 1992 | Transamerican Natural Gas Corp. | Zapata | La Perla #161 | 9,500 | 50532854 |
| 395628 | Jan 10, 1992 | Jan 10, 1992 | Transamerican Natural Gas Corp. | Webb | Frost National Bank #44 | 8,500 | 47935383 |
| 395510 | Dec 31, 1991 | Dec 31, 1991 | Transamerican Natural Gas Corp. | Webb | Carr #54 | 9,400 | 47935379 |
| 395065 | Dec 16, 1991 | Dec 16, 1991 | Transamerican Natural Gas Corp. | Zapata | Herbst #14 | 9,200 | 50532849 |
| 394922 | Dec 16, 1991 | Dec 16, 1991 | Transamerican Natural Gas Corp. | Zapata | De Los Santos Gas Unit 1 #7 | 11,800 | 50532846 |
| 395019 | Dec 13, 1991 | Dec 13, 1991 | Transamerican Natural Gas Corp. | Webb | Day #3 | 9,100 | 47935363 |
| 394960 | Dec 12, 1991 | Dec 12, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #160 | 10,300 | 50532847 |
| 394845 | Dec 12, 1991 | Dec 12, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #159 | 9,700 | 50532845 |
| 394775 | Dec 10, 1991 | Dec 10, 1991 | Transamerican Natural Gas Corp. | Webb | Martinez-Barrera Gas Unit #3 | 8,700 | 47935356 |
| 394299 | Nov 27, 1991 | Nov 27, 1991 | Transamerican Natural Gas Corp. | Webb | Martinez, D. #11 | 9,100 | 47935348 |
| 394248 | Nov 27, 1991 | Nov 27, 1991 | Transamerican Natural Gas Corp. | Webb | Hirsch "A" #3 | 8,300 | 47935347 |
| 394371 | Nov 25, 1991 | Nov 25, 1991 | Transamerican Natural Gas Corp. | Webb | Carr #53 | 10,000 | 47935350 |
| 393891 | Nov 15, 1991 | Nov 15, 1991 | Transamerican Natural Gas Corp. | Zapata | Daisy #3 | 11,800 | 50532840 |
| 393889 | Nov 15, 1991 | Nov 15, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #158 | 10,300 | 50532839 |
| 392920 | Oct 24, 1991 | Oct 24, 1991 | Transamerican Natural Gas Corp. | Webb | Martinez, D. #9 | 8,700 | 47935319 |
| 393093 | Oct 21, 1991 | Oct 21, 1991 | Transamerican Natural Gas Corp. | Webb | Jacaman "B" #1 | 9,200 | 47935326 |
| 393092 | Oct 21, 1991 | Oct 21, 1991 | Transamerican Natural Gas Corp. | Webb | B.M.T #32 | 11,200 | 47935325 |
| 392955 | Oct 16, 1991 | Oct 16, 1991 | Transamerican Natural Gas Corp. | Webb | Carr "B" #2 | 9,400 | 47935320 |
| 392826 | Oct 10, 1991 | Oct 10, 1991 | Transamerican Natural Gas Corp. | Zapata | Bustamante G. U. #1 #4 | 11,800 | 50532835 |
| 392826Amendment | Oct 10, 1991 | Oct 10, 1991 | Transamerican Natural Gas Corp. | Zapata | Bustamante G. U. #1 #4 | 11,800 | 50532835 |
| 392572 | Oct 9, 1991 | Oct 9, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #157 | 9,700 | 50532834 |
| 392428 | Oct 4, 1991 | Oct 4, 1991 | Transamerican Natural Gas Corp. | Zapata | Uribe #5 | 9,800 | 50532833 |
| 392427 | Oct 4, 1991 | Oct 4, 1991 | Transamerican Natural Gas Corp. | Webb | Frost National Bank #43 | 8,500 | 47935314 |
| 392242 | Sep 30, 1991 | Sep 30, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #156 | 10,400 | 50532832 |
| 392035 | Sep 18, 1991 | Sep 18, 1991 | Transamerican Natural Gas Corp. | Zapata | Herbst #13 | 9,200 | 50532830 |
| 392034 | Sep 18, 1991 | Sep 18, 1991 | Transamerican Natural Gas Corp. | Webb | Bruni Ranch #26 | 10,000 | 47935309 |
| 391912 | Sep 16, 1991 | Sep 16, 1991 | Transamerican Natural Gas Corp. | Webb | Carr #44 | 9,700 | 47935307 |
| 391810 | Sep 11, 1991 | Sep 11, 1991 | Transamerican Natural Gas Corp. | Webb | Lechenger #14 | 8,600 | 47935304 |
| 391810Amendment | Sep 11, 1991 | Sep 11, 1991 | Transamerican Natural Gas Corp. | Webb | Lechenger #14 | 8,950 | 47935304 |
| 391658 | Sep 5, 1991 | Sep 5, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #155 | 10,400 | 50532826 |
| 391326 | Aug 29, 1991 | Aug 29, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #154 | 10,300 | 50532823 |
| 391326Amendment | Aug 29, 1991 | Aug 29, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #154 | 10,300 | 50532823 |
| 391163 | Aug 26, 1991 | Aug 26, 1991 | Transamerican Natural Gas Corp. | Zapata | Haynes #13 | 11,700 | 50532822 |
| 390850 | Aug 13, 1991 | Aug 13, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #153 | 10,100 | 50532816 |
| 390523 | Aug 6, 1991 | Aug 6, 1991 | Transamerican Natural Gas Corp. | Webb | Martinez-Barrera Gas Init #2 | 8,700 | 47935288 |
| 390474 | Aug 2, 1991 | Aug 2, 1991 | Transamerican Natural Gas Corp. | Webb | Carr #45 | 9,700 | 47935287 |
| 390473 | Aug 2, 1991 | Aug 2, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #152 | 9,900 | 50532815 |
| 390453 | Jul 31, 1991 | Jul 31, 1991 | Transamerican Natural Gas Corp. | Zapata | La Perla #151 | 10,300 | 50532814 |
| 390240 | Jul 26, 1991 | Jul 26, 1991 | Transamerican Natural Gas Corp. | Webb | Martinez, D. #10 | 8,700 | 47935283 |
| 390239 | Jul 26, 1991 | Jul 26, 1991 | Transamerican Natural Gas Corp. | Zapata | Asche #22 | 11,700 | 50532812 |