| 396242 | Jan 28, 1992 | Jan 28, 1992 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #64 | 9,100 | 47935394 |
| 396012 | Jan 23, 1992 | Jan 23, 1992 | Mobil Producing TX. & N.M. Inc. | Midland | Collings, H.S. #4 | 9,700 | 32932529 |
| 395989 | Jan 21, 1992 | Jan 21, 1992 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #361 | 8,250 | 23902708 |
| 395988 | Jan 21, 1992 | Jan 21, 1992 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #401 | 6,230 | 23902748 |
| 395955 | Jan 21, 1992 | Jan 21, 1992 | Mobil Producing TX. & N.M. Inc. | Hardin | Nona Mills Field Unit #4901 | 8,600 | 19932396 |
| 395869 | Jan 17, 1992 | Jan 17, 1992 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #59A | 5,200 | 21935837 |
| 395868 | Jan 17, 1992 | Jan 17, 1992 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #156 | 5,200 | 21935840 |
| 395898 | Jan 16, 1992 | Jan 16, 1992 | Mobil Producing TX. & N.M. Inc. | Calhoun | Traylor, Maude B. #12 | 12,000 | 05731381 |
| 395875 | Jan 16, 1992 | Jan 16, 1992 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #155W | 5,200 | 21935835 |
| 395874 | Jan 16, 1992 | Jan 16, 1992 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #154 | 5,200 | 21935836 |
| 395873 | Jan 16, 1992 | Jan 16, 1992 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #153 | 5,200 | 21935838 |
| 395872 | Jan 16, 1992 | Jan 16, 1992 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #152 | 5,200 | 21935839 |
| 395871 | Jan 16, 1992 | Jan 16, 1992 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #151 | 5,200 | 21935841 |
| 395870 | Jan 16, 1992 | Jan 16, 1992 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #150 | 5,200 | 21935842 |
| 395794 | Jan 16, 1992 | Jan 16, 1992 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #72 | 5,593 | 23902427 |
| 395737 | Jan 15, 1992 | Jan 15, 1992 | Mobil Producing TX. & N.M. Inc. | Andrews | Cowden Estate et Al #11 | 13,500 | 00337052 |
| 395279 | Jan 14, 1992 | Jan 14, 1992 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #518 | 8,465 | 23932354 |
| 395693 | Jan 13, 1992 | Jan 13, 1992 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #489 | 6,219 | 23931252 |
| 395250 | Jan 10, 1992 | Jan 10, 1992 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #336 | 6,553 | 23902683 |
| 395701 | Jan 9, 1992 | Jan 9, 1992 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #330 | 6,190 | 23902677 |
| 394836 | Jan 9, 1992 | Jan 9, 1992 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #312 | 6,495 | 23902660 |
| 395079 | Jan 3, 1992 | Jan 3, 1992 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #14W | 7,265 | 32900824 |
| 394463 | Dec 30, 1991 | Dec 30, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Danile, O. D. #6 | 7,430 | 32910077 |
| 394460 | Dec 30, 1991 | Dec 30, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E. T. #2 | 7,262 | 32900953 |
| 394458 | Dec 30, 1991 | Dec 30, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E. T. #3 | 7,272 | 32900954 |
| 394457 | Dec 30, 1991 | Dec 30, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E. T. #12 | 7,360 | 32900963 |
| 394456 | Dec 30, 1991 | Dec 30, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E. T. #15 | 8,820 | 32900825 |
| 395397 | Dec 27, 1991 | Dec 27, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #56 | 8,100 | 47935374 |
| 395396 | Dec 27, 1991 | Dec 27, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #426 | 6,350 | 23902773 |
| 395395 | Dec 27, 1991 | Dec 27, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #390 | 5,850 | 23902737 |
| 395394 | Dec 27, 1991 | Dec 27, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #478 | 6,203 | 23930828 |
| 395394Amendment | Dec 27, 1991 | Dec 27, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #478 | 6,203 | 23930828 |
| 395073 | Dec 27, 1991 | Dec 27, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #26 | 7,343 | 32910311 |
| 395072 | Dec 27, 1991 | Dec 27, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #27 | 7,350 | 32910317 |
| 395090 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #4W | 7,325 | 32900955 |
| 395087 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel E.T. #8W | 7,325 | 32900959 |
| 395084 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #10W | 7,260 | 32900961 |
| 395083 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #11W | 7,330 | 32900962 |
| 395081 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #13 | 7,298 | 32900964 |
| 395078 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #19 | 7,292 | 32900829 |
| 395077 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel #21 | 7,316 | 32900831 |
| 395076 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #23 | 7,350 | 32901714 |
| 395075 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #24 | 7,368 | 32900333 |
| 395074 | Dec 23, 1991 | Dec 23, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | O'Daniel, E.T. #25 | 7,350 | 32910048 |
| 395316 | Dec 20, 1991 | Dec 20, 1991 | Mobil Producing TX. & N.M. Inc. | San Patricio | Welder, M. S. #74 | 8,950 | 40932194 |
| 395315 | Dec 20, 1991 | Dec 20, 1991 | Mobil Producing TX. & N.M. Inc. | San Patricio | Welder, M.S. #34 | 8,650 | 40901670 |
| 395314 | Dec 20, 1991 | Dec 20, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #57 | 10,000 | 47935369 |
| 395314Amendment | Dec 20, 1991 | Dec 20, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #57 | 10,000 | 47935369 |
| 395010 | Dec 20, 1991 | Dec 20, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | Gordin Estate #33 | 7,150 | 23932283 |
| 395089 | Dec 16, 1991 | Dec 16, 1991 | Mobil Producing TX. & N.M. Inc. | Hardin | Kirby Lumber Corp. #1 | 11,285 | 19931268 |
| 395086 | Dec 16, 1991 | Dec 16, 1991 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Dunlap, B. H. #71 | 7,650 | 24932175 |
| 395085 | Dec 16, 1991 | Dec 16, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #58 | 10,000 | 47935365 |
| 395085Amendment | Dec 16, 1991 | Dec 16, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #58 | 10,000 | 47935365 |
| 395082 | Dec 16, 1991 | Dec 16, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #59 | 9,500 | 47935366 |
| 395080 | Dec 16, 1991 | Dec 16, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #334 | 6,555 | 23902681 |
| 394797 | Dec 10, 1991 | Dec 10, 1991 | Mobil Producing TX. & N.M. Inc. | Brooks | La Gloria Gas Unit #57 | 8,308 | 04700082 |
| 394701 | Dec 4, 1991 | Dec 4, 1991 | Mobil Producing TX. & N.M. Inc. | Hardin | Kirby Lumber Corp. #2 | 10,460 | 19931288 |
| 394381 | Nov 25, 1991 | Nov 25, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #439 | 7,810 | 23902785 |
| 394262 | Nov 21, 1991 | Nov 21, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #287 | 6,299 | 23902635 |
| 393936 | Nov 13, 1991 | Nov 13, 1991 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Seeligson, A. A. #173 | 6,730 | 24902870 |
| 393935 | Nov 13, 1991 | Nov 13, 1991 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Blucher, C. F. H. #50 | 7,709 | 24931862 |
| 393680 | Nov 12, 1991 | Nov 12, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #1712 | 10,490 | 46103982 |
| 393767 | Nov 7, 1991 | Nov 7, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #54 | 8,400 | 47935342 |
| 393692 | Nov 6, 1991 | Nov 6, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #55 | 9,500 | 47935341 |
| 393692Amendment | Nov 6, 1991 | Nov 6, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #55 | 9,500 | 47935341 |
| 393493 | Nov 1, 1991 | Nov 1, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #53 | 9,600 | 47935332 |
| 393491 | Nov 1, 1991 | Nov 1, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #52 | 8,500 | 47935333 |
| 393117 | Nov 1, 1991 | Nov 1, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Texas University Sec. 1 & 2 #92W | 3,500 | 10333420 |
| 393360 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Pennsylvanian Unit #404W | 11,000 | 32932466 |
| 393359 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #2409W | 11,000 | 46133188 |
| 393358 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Pennsylvanian Unit #1315W | 11,000 | 32932465 |
| 393357 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #1803W | 11,000 | 46133193 |
| 393356 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #1724W | 11,000 | 46133192 |
| 393356Amendment | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #1724 | 11,000 | 46133192 |
| 393355 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #1723W | 11,000 | 46133191 |
| 393354 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Pennsylvanian Unit #826 | 11,000 | 32932464 |
| 393353 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #1722W | 11,000 | 46133190 |
| 393352 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Pennsylvanian Unit #204W | 11,000 | 32932463 |
| 393351 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #2307W | 11,000 | 46133189 |
| 393287 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #2410 | 11,000 | 46133187 |
| 393286 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #2013 | 11,000 | 46133186 |
| 393286Amendment | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #2013 | 11,000 | 46133186 |
| 393118 | Oct 30, 1991 | Oct 30, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Lea, R.J. a/C 2 #54 | 3,500 | 10333089 |
| 393290 | Oct 29, 1991 | Oct 29, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Pennsylvanian Unit #725 | 11,000 | 32932462 |
| 393289 | Oct 29, 1991 | Oct 29, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Pennsylvanian Unit #608W | 11,000 | 32932461 |
| 393289Amendment | Oct 29, 1991 | Oct 29, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Pennsylvanian Unit #608W | 11,000 | 32932461 |
| 393285 | Oct 29, 1991 | Oct 29, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Pennsylvanian Unit #726 | 11,000 | 32932460 |
| 393285Amendment | Oct 29, 1991 | Oct 29, 1991 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Pennsylvanian Unit #726 | 11,000 | 32932460 |
| 392497 | Oct 28, 1991 | Oct 28, 1991 | Mobil Producing TX. & N.M. Inc. | Yoakum | Shook-Mason #1A | 12,500 | 50133731 |
| 393126 | Oct 25, 1991 | Oct 25, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #51 | 10,000 | 47935329 |
| 393126Amendment | Oct 25, 1991 | Oct 25, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #51 | 9,100 | 47935329 |
| 392185 | Oct 25, 1991 | Oct 25, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Texas University Sec. 1 & 2 #88 | 3,400 | 10334153 |
| 392181 | Oct 25, 1991 | Oct 25, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Texas University Sec. 1 & 2 #87 | 3,400 | 10334147 |
| 393007 | Oct 18, 1991 | Oct 18, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | G.B.G.L. & C. Co. Ltd. #3 | 9,500 | 47935324 |
| 392966 | Oct 16, 1991 | Oct 16, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | G.B.G.L. & C. Co. Ltd #2 | 9,650 | 47935321 |
| 391947 | Oct 14, 1991 | Oct 14, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Lea, Katie W. a/C 5 #13 | 3,478 | 10303635 |
| 392541 | Oct 4, 1991 | Oct 4, 1991 | Mobil Producing TX. & N.M. Inc. | Nueces | State of Texas No. 53063 #1 | 10,856 | 35506214 |
| 392476 | Oct 3, 1991 | Oct 3, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #45 | 8,500 | 47935315 |
| 392182 | Oct 3, 1991 | Oct 3, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Texas University Sec. 1 & 2 #89W | 3,400 | 10334150 |
| 392180 | Oct 2, 1991 | Oct 2, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Texas University Sec. 1 & 2 #91W | 3,400 | 10334149 |