| 422799Amendment | Apr 29, 1994 | Apr 29, 1994 | Sonat Exploration Co. - Houston | Zapata | Salinas, Octavio Gas Unit #4 | 8,600 | 50533180 |
| 422766 | Apr 6, 1994 | Apr 6, 1994 | Sonat Exploration Co. - Houston | Webb | McKendrick, W.H. et Al #9 | 10,500 | 47936071 |
| 422765 | Apr 6, 1994 | Apr 6, 1994 | Sonat Exploration Co. - Houston | Webb | M.L.E.I. - McKendrick #10 | 10,500 | 47936070 |
| 422765Amendment | Apr 6, 1994 | Apr 6, 1994 | Sonat Exploration Co. - Houston | Webb | M.L.E.I. - McKendrick #10 | 10,500 | 47936070 |
| 422763 | Apr 6, 1994 | Apr 6, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc - Sec. 57 #4 | 9,000 | 13137934 |
| 422556 | Mar 30, 1994 | Mar 30, 1994 | Sonat Exploration Co. - Houston | Zapata | Octavio Salinas Gas Unit #2 | 8,400 | 50533100 |
| 422525 | Mar 28, 1994 | Mar 28, 1994 | Sonat Exploration Co. - Houston | Webb | M.L.E.I.-McKendrick #8 | 10,500 | 47936061 |
| 421238 | Mar 15, 1994 | Mar 15, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Section 152 #11 | 2,500 | 13137912 |
| 421993 | Mar 14, 1994 | Mar 14, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc State Sec 366/76/64/54 Deep #6417 | 8,000 | 13137924 |
| 421992 | Mar 14, 1994 | Mar 14, 1994 | Sonat Exploration Co. - Houston | Webb | Benavides, Charlotte A. #2 | 7,950 | 47935866 |
| 421875 | Mar 9, 1994 | Mar 9, 1994 | Sonat Exploration Co. - Houston | Duval | Drcr-State Sec. 366/76/64/54 #5407 | 1,750 | 13137923 |
| 421837 | Mar 8, 1994 | Mar 8, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-State Sec. 366/76/64/54 #5408 | 3,400 | 13137922 |
| 421837Amendment | Mar 8, 1994 | Mar 8, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-State Sec. 366/76/64/54 #5408 | 3,400 | 13137922 |
| 421836 | Mar 8, 1994 | Mar 8, 1994 | Sonat Exploration Co. - Houston | Webb | McKendrick, W.H. et Al #7 | 10,500 | 47936047 |
| 421836Amendment | Mar 8, 1994 | Mar 8, 1994 | Sonat Exploration Co. - Houston | Webb | McKendrick, W.H. et Al #7 | 10,500 | 47936047 |
| 421836Amendment | Mar 8, 1994 | Mar 8, 1994 | Sonat Exploration Co. - Houston | Webb | McKendrick, W.H. et Al #7 | 10,500 | 47936047 |
| 421464 | Feb 24, 1994 | Feb 24, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 261B #5 | 8,100 | 13137917 |
| 421424 | Feb 23, 1994 | Feb 23, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 59 #3 | 6,550 | 13137916 |
| 421153 | Feb 14, 1994 | Feb 14, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc State Sec. 366A #10 | 9,500 | 13137794 |
| 421152 | Feb 14, 1994 | Feb 14, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc State Sec. 52 #7 | 3,400 | 13137911 |
| 421151 | Feb 14, 1994 | Feb 14, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc State Sec. 52 #6 | 3,400 | 13137910 |
| 421151Amendment | Feb 14, 1994 | Feb 14, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-State Sec. 52 #6 | 3,400 | 13137910 |
| 421150 | Feb 14, 1994 | Feb 14, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc State Sec. 52 #8 | 1,900 | 13137909 |
| 421150Amendment | Feb 14, 1994 | Feb 14, 1994 | Sonat Exploration Co. - Houston | Duval | DCR-State 76/52 #5208 | 1,900 | 13137909 |
| 421149 | Feb 14, 1994 | Feb 14, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc State Sec. 52 #9 | 3,400 | 13137908 |
| 420901 | Feb 7, 1994 | Feb 7, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 81 #18 | 8,000 | 13137905 |
| 420901Amendment | Feb 7, 1994 | Feb 7, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 81 #18 | 8,000 | 13137905 |
| 420900 | Feb 7, 1994 | Feb 7, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 81 Unit #17 | 8,000 | 13137906 |
| 420581 | Jan 26, 1994 | Jan 26, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Section 152 #8 | 2,500 | 13137902 |
| 420580 | Jan 26, 1994 | Jan 26, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Section 152 #9 | 2,500 | 13137901 |
| 420579 | Jan 26, 1994 | Jan 26, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Section 152 #10 | 2,500 | 13137900 |
| 420578 | Jan 26, 1994 | Jan 26, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Section 152 #12 | 2,500 | 13137899 |
| 420577 | Jan 26, 1994 | Jan 26, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Section 152 A #13 | 2,500 | 13137898 |
| 420547 | Jan 25, 1994 | Jan 25, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 583 #2 | 3,500 | 13137897 |
| 420141 | Jan 13, 1994 | Jan 13, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 59 #2 | 10,500 | 13137892 |
| 420132 | Jan 12, 1994 | Jan 12, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 589 #3 | 3,500 | 13137886 |
| 420132Amendment | Jan 12, 1994 | Jan 12, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 589 #3 | 3,500 | 13137886 |
| 420131 | Jan 12, 1994 | Jan 12, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 273 #3 | 3,500 | 13137889 |
| 420130 | Jan 12, 1994 | Jan 12, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 106 #3 | 2,900 | 13137888 |
| 420130Amendment | Jan 12, 1994 | Jan 12, 1994 | Sonat Exploration Co. - Houston | Duval | DCR 106 #3 | 2,900 | 13137888 |
| 420129 | Jan 12, 1994 | Jan 12, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 101 #1 | 3,100 | 13137887 |
| 420128 | Jan 12, 1994 | Jan 12, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 99 #2 | 3,100 | 13137890 |
| 420047 | Jan 10, 1994 | Jan 10, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 57 #3 | 11,000 | 13137884 |
| 420047Amendment | Jan 10, 1994 | Jan 10, 1994 | Sonat Exploration Co. - Houston | Duval | DCR 57 #3 | 6,500 | 13137884 |
| 419993 | Jan 7, 1994 | Jan 7, 1994 | Sonat Exploration Co. - Houston | Duval | D.C.R.C.-Sec. 573 #2 | 3,500 | 13137883 |
| 419882 | Jan 4, 1994 | Jan 4, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-State Sec. 64A #16 | 1,600 | 13137881 |
| 419881 | Jan 4, 1994 | Jan 4, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 203 #1 | 10,200 | 13137880 |
| 419881Amendment | Jan 4, 1994 | Jan 4, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 203 #1 | 10,200 | 13137880 |
| 419847 | Jan 3, 1994 | Jan 3, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec 367 #3 | 3,500 | 13137879 |
| 419846 | Jan 3, 1994 | Jan 3, 1994 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 299 #1 | 3,500 | 13137878 |
| 419789 | Dec 30, 1993 | Dec 30, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 301 #2 | 3,500 | 13137875 |
| 419787 | Dec 30, 1993 | Dec 30, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 581 #2 | 3,500 | 13137876 |
| 419758 | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 59 #1 | 8,500 | 13137866 |
| 419757 | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec 229 #1 | 3,500 | 13137865 |
| 419756 | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 229 #2 | 3,500 | 13137871 |
| 419755 | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 295 #2 | 3,500 | 13137869 |
| 419754 | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 295 #3 | 3,500 | 13137870 |
| 419754Amendment | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc 295 SE #3 | 3,500 | 13137870 |
| 419753 | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 301 #1 | 3,500 | 13137868 |
| 419752 | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec 367 #2 | 3,500 | 13137872 |
| 419751 | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 367 #4 | 3,500 | 13137867 |
| 419750 | Dec 29, 1993 | Dec 29, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 581 #1 | 3,500 | 13137873 |
| 419712 | Dec 28, 1993 | Dec 28, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec 191 #1 | 3,500 | 13137864 |
| 419711 | Dec 28, 1993 | Dec 28, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec 573 #1 | 3,500 | 13137863 |
| 419710 | Dec 28, 1993 | Dec 28, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 287 #1 | 3,000 | 13137862 |
| 419709 | Dec 28, 1993 | Dec 28, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec 61 #1 | 7,300 | 13137861 |
| 419708 | Dec 28, 1993 | Dec 28, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec 589 #2 | 3,500 | 13137860 |
| 419707 | Dec 28, 1993 | Dec 28, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec 196 #3 | 3,500 | 13137859 |
| 419609 | Dec 22, 1993 | Dec 22, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc-State Sec. 366/76/64/54 #12 | 1,600 | 13137856 |
| 419608 | Dec 22, 1993 | Dec 22, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 288 #1 | 3,500 | 13137857 |
| 419607 | Dec 22, 1993 | Dec 22, 1993 | Sonat Exploration Co. - Houston | Webb | Dcrc-Sec. 100 #1 | 3,500 | 47936002 |
| 419581 | Dec 21, 1993 | Dec 21, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 306 #1 | 8,500 | 13137855 |
| 419413Amendment | Dec 16, 1993 | Dec 16, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec 583 #1 | 3,500 | 13137844 |
| 419333Amendment | Dec 14, 1993 | Dec 14, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 257 #1 | 3,500 | 13137842 |
| 419333Amendment | Dec 14, 1993 | Dec 14, 1993 | Sonat Exploration Co. - Houston | Duval | DCR 257 #1 | 3,000 | 13137842 |
| 419333Amendment | Dec 14, 1993 | Dec 14, 1993 | Sonat Exploration Co. - Houston | Duval | DCR 257 #1 | 3,000 | 13137842 |
| 419314 | Dec 13, 1993 | Dec 13, 1993 | Sonat Exploration Co. - Houston | Webb | McKendrick, W. H. et Al #6 | 10,500 | 47935995 |
| 419314Amendment | Dec 13, 1993 | Dec 13, 1993 | Sonat Exploration Co. - Houston | Webb | McKendrick, W. H. et Al #6 | 10,500 | 47935995 |
| 419245Amendment | Dec 10, 1993 | Dec 10, 1993 | Sonat Exploration Co. - Houston | Duval | DCR 99 #1 | 3,500 | 13137833 |
| 419070Amendment | Dec 7, 1993 | Dec 7, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 57 #2 | 8,500 | 13137830 |
| 418897Amendment | Dec 2, 1993 | Dec 2, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec 79 #6 | 9,000 | 13137826 |
| 418894Amendment | Dec 2, 1993 | Dec 2, 1993 | Sonat Exploration Co. - Houston | Duval | DCR 105 #1 | 3,000 | 13137823 |
| 418893Amendment | Dec 2, 1993 | Dec 2, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 103 #1 | 3,000 | 13137822 |
| 418892Amendment | Dec 2, 1993 | Dec 2, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 103 #2 | 3,000 | 13137819 |
| 418890Amendment | Dec 2, 1993 | Dec 2, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc - State Sec 366/54 #5406A | 9,000 | 13137825 |
| 418842Amendment | Dec 1, 1993 | Dec 1, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 95 #2 | 3,500 | 13137818 |
| 418746Amendment | Nov 30, 1993 | Nov 30, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 259 #3 | 3,500 | 13137814 |
| 418613Amendment | Nov 23, 1993 | Nov 23, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc-Sec. 47 #1 | 3,500 | 13137808 |
| 418609Amendment | Nov 23, 1993 | Nov 23, 1993 | Sonat Exploration Co. - Houston | Duval | Dcrc Sec. 259 #1 | 3,500 | 13137811 |
| 418454Amendment | Nov 18, 1993 | Nov 18, 1993 | Sonat Exploration Co. - Houston | Duval | DCR 262N #2 | 3,500 | 13137806 |
| 418452Amendment | Nov 18, 1993 | Nov 18, 1993 | Sonat Exploration Co. - Houston | Duval | DCR 262N #3 | 3,500 | 13137804 |
| 415097Amendment | Oct 28, 1993 | Oct 28, 1993 | Sonat Exploration Co. - Houston | Duval | Drought Sec 154 #2 | 6,000 | 13137754 |
| 417358Amendment | Oct 21, 1993 | Oct 21, 1993 | Sonat Exploration Co. - Houston | Zapata | Octavio Salinas Gas Unit #3 | 8,050 | 50533107 |
| 416735Amendment | Oct 5, 1993 | Oct 5, 1993 | Sonat Exploration Co. - Houston | Duval | DCR 262 #1A | 10,000 | 13111129 |
| 415076 | Sep 10, 1993 | Sep 10, 1993 | Sonat Exploration Co. - Houston | Webb | Wright, L.A. #9 | 6,700 | 47935901 |
| 414281 | Aug 18, 1993 | Aug 18, 1993 | Sonat Exploration Co. - Houston | Webb | Rodriguez Gas Unit #2 | 6,500 | 47935883 |
| 414836 | Aug 11, 1993 | Aug 11, 1993 | Sonat Exploration Co. - Houston | Webb | Wright, L.A. #10 | 6,700 | 47935897 |