| 343695Amendment | Mar 11, 1988 | Mar 11, 1988 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #2735532645 | 7,745 |
| 343745 | Mar 10, 1988 | Mar 10, 1988 | Union Pacific Resources Company | Nueces | Wardner, G. P. #15435531733 | 7,640 |
| 343696 | Mar 9, 1988 | Mar 9, 1988 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #2835532646 | 8,500 |
| 343457 | Mar 3, 1988 | Mar 3, 1988 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17835532643 | 8,900 |
| 343457Amendment | Mar 3, 1988 | Mar 3, 1988 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17835532643 | 8,900 |
| 343063 | Feb 23, 1988 | Feb 23, 1988 | Union Pacific Resources Company | Nueces | Jones, Mrs. Eva M. #335532641 | 8,500 |
| 343063Amendment | Feb 23, 1988 | Feb 23, 1988 | Union Pacific Resources Company | Nueces | Jones, Mrs. Eva M. #335532641 | 8,500 |
| 342796 | Feb 17, 1988 | Feb 17, 1988 | Union Pacific Resources Company | Nueces | Butts, J. B. #835532640 | 8,500 |
| 342528 | Feb 16, 1988 | Feb 16, 1988 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17635532638 | 9,400 |
| 342588 | Feb 12, 1988 | Feb 12, 1988 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #2635532639 | 8,500 |
| 342514 | Feb 10, 1988 | Feb 10, 1988 | Union Pacific Resources Company | Nueces | Hagan & Stewart #335532637 | 8,500 |
| 342514Amendment | Feb 10, 1988 | Feb 10, 1988 | Union Pacific Resources Company | Nueces | Cage, W. T. -B- #335532637 | 8,000 |
| 342350 | Feb 5, 1988 | Feb 5, 1988 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17735532636 | 8,500 |
| 342350Amendment | Feb 5, 1988 | Feb 5, 1988 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17735532636 | 8,500 |
| 355778 | Feb 2, 1988 | Feb 2, 1988 | Union Pacific Resources Company | Calhoun | Burrell, B. A. Trust #105731469 | 14,000 |
| 341829 | Jan 25, 1988 | Jan 25, 1988 | Union Pacific Resources Company | Nueces | Butts, J. B. #735532629 | 8,500 |
| 341829Amendment | Jan 25, 1988 | Jan 25, 1988 | Union Pacific Resources Company | Nueces | Butts, J. B. #735532629 | 7,700 |
| 341700 | Jan 25, 1988 | Jan 25, 1988 | Union Pacific Resources Company | Victoria | McFaddin, J. A. Estate -A- #1846932019 | 5,500 |
| 341790 | Jan 22, 1988 | Jan 22, 1988 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17535532628 | 8,500 |
| 341790Amendment | Jan 22, 1988 | Jan 22, 1988 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17535532628 | 8,500 |
| 341671 | Jan 20, 1988 | Jan 20, 1988 | Union Pacific Resources Company | Victoria | McFaddin, J. A. Estate -A- #2446932358 | 5,500 |
| 341575 | Jan 18, 1988 | Jan 18, 1988 | Union Pacific Resources Company | Hidalgo | Beaurline, A. W. (M&S) #121530391 | 7,512 |
| 341574 | Jan 18, 1988 | Jan 18, 1988 | Union Pacific Resources Company | Victoria | McFaddin -A- #1346931588 | 6,100 |
| 341573 | Jan 18, 1988 | Jan 18, 1988 | Union Pacific Resources Company | Hidalgo | Beaurline, A. W. #221501915 | 7,665 |
| 341503 | Jan 15, 1988 | Jan 15, 1988 | Union Pacific Resources Company | Burleson | Worthington, Irvin #105131504 | 7,933 |
| 340214 | Jan 7, 1988 | Jan 7, 1988 | Union Pacific Resources Company | Nueces | Mosley & Dryden -A- #335532610 | 9,900 |
| 341097 | Jan 6, 1988 | Jan 6, 1988 | Union Pacific Resources Company | Hidalgo | Schaleben #121531796 | 15,200 |
| 341097Amendment | Jan 6, 1988 | Jan 6, 1988 | Union Pacific Resources Company | Hidalgo | Schaleben #121531796 | 15,200 |
| 341097Amendment | Jan 6, 1988 | Jan 6, 1988 | Union Pacific Resources Company | Hidalgo | Schaleben #121531796 | 17,500 |
| 340841 | Dec 30, 1987 | Dec 30, 1987 | Union Pacific Resources Company | Nueces | Gruene, O.A. #1435532623 | 8,300 |
| 340840 | Dec 30, 1987 | Dec 30, 1987 | Union Pacific Resources Company | Nueces | Gruene, O.A. #1335532622 | 8,300 |
| 340840Amendment | Dec 30, 1987 | Dec 30, 1987 | Union Pacific Resources Company | Nueces | Gruene, O. A. #1335532622 | 8,300 |
| 340410 | Dec 18, 1987 | Dec 18, 1987 | Union Pacific Resources Company | Nueces | Bush-Wofford -A- #335532618 | 8,750 |
| 340410Amendment | Dec 18, 1987 | Dec 18, 1987 | Union Pacific Resources Company | Nueces | Bush-Wofford -A- #335532618 | 8,500 |
| 340407 | Dec 18, 1987 | Dec 18, 1987 | Union Pacific Resources Company | Nueces | Wofford, Bush -B- #335532617 | 8,300 |
| 340407Amendment | Dec 18, 1987 | Dec 18, 1987 | Union Pacific Resources Company | Nueces | Wofford, Bush -B- #335532617 | 8,300 |
| 340027 | Dec 10, 1987 | Dec 10, 1987 | Union Pacific Resources Company | Kleberg | Wardner, G. P. #118 H27330119 | 7,025 |
| 340026 | Dec 10, 1987 | Dec 10, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #14535531541 | 7,017 |
| 340025 | Dec 10, 1987 | Dec 10, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #3235505295 | 6,822 |
| 339935 | Dec 10, 1987 | Dec 10, 1987 | Union Pacific Resources Company | Nueces | Texon Royalty -B- #835532614 | 8,300 |
| 339935Amendment | Dec 10, 1987 | Dec 10, 1987 | Union Pacific Resources Company | Nueces | Texon Royalty -B- #835532614 | 7,900 |
| 339895 | Dec 8, 1987 | Dec 8, 1987 | Union Pacific Resources Company | Starr | Guerra, F. B. Estate -B- #742732234 | 8,200 |
| 339895Amendment | Dec 8, 1987 | Dec 8, 1987 | Union Pacific Resources Company | Starr | Guerra, F. B. Estate -B- #742732234 | 8,000 |
| 339894 | Dec 8, 1987 | Dec 8, 1987 | Union Pacific Resources Company | Starr | Guerra, F. B. Estate -B- #842732233 | 8,200 |
| 339734 | Dec 4, 1987 | Dec 4, 1987 | Union Pacific Resources Company | Panola | Cgu 13 #536531884 | 6,800 |
| 339733 | Dec 4, 1987 | Dec 4, 1987 | Union Pacific Resources Company | Panola | Allison, H. R. #136531883 | 7,100 |
| 339733Amendment | Dec 4, 1987 | Dec 4, 1987 | Union Pacific Resources Company | Panola | Allison, H. R. #136531883 | 7,100 |
| 339334 | Nov 24, 1987 | Nov 24, 1987 | Union Pacific Resources Company | Nueces | Gruene, O. A. #1235532613 | 8,300 |
| 339333 | Nov 24, 1987 | Nov 24, 1987 | Union Pacific Resources Company | Nueces | Butts, J. B. #635532611 | 8,300 |
| 339333Amendment | Nov 24, 1987 | Nov 24, 1987 | Union Pacific Resources Company | Nueces | Butts, J. B. #635532611 | 8,000 |
| 339335 | Nov 23, 1987 | Nov 23, 1987 | Union Pacific Resources Company | Nueces | Gruene, O. A. #1135532612 | 8,300 |
| 339335Amendment | Nov 23, 1987 | Nov 23, 1987 | Union Pacific Resources Company | Nueces | Gruene, O. A. #1135532612 | 8,000 |
| 339096 | Nov 20, 1987 | Nov 20, 1987 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #2435532608 | 8,300 |
| 339069 | Nov 20, 1987 | Nov 20, 1987 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #2535532607 | 8,300 |
| 339069Amendment | Nov 20, 1987 | Nov 20, 1987 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #2535532607 | 8,250 |
| 339069Amendment | Nov 20, 1987 | Nov 20, 1987 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #2535532607 | 8,250 |
| 339068 | Nov 20, 1987 | Nov 20, 1987 | Union Pacific Resources Company | Nueces | Dryden, J. W. #1035532606 | 8,200 |
| 339068Amendment | Nov 20, 1987 | Nov 20, 1987 | Union Pacific Resources Company | Nueces | Dryden, J. W. #1035532606 | 8,200 |
| 339067 | Nov 20, 1987 | Nov 20, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17435532609 | 10,200 |
| 339067Amendment | Nov 20, 1987 | Nov 20, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17435532609 | 9,959 |
| 338722 | Nov 13, 1987 | Nov 13, 1987 | Union Pacific Resources Company | Anderson | Poole, Maggie #100131809 | 9,800 |
| 338649 | Nov 10, 1987 | Nov 10, 1987 | Union Pacific Resources Company | Frio | Walker #116332543 | 5,000 |
| 338243 | Nov 4, 1987 | Nov 4, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17235532604 | 8,200 |
| 338232 | Nov 4, 1987 | Nov 4, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #7335505315 | 7,548 |
| 338234 | Nov 3, 1987 | Nov 3, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17335532602 | 9,500 |
| 338234Amendment | Nov 3, 1987 | Nov 3, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17335532602 | 9,360 |
| 337004 | Oct 30, 1987 | Oct 30, 1987 | Union Pacific Resources Company | Irion | Duff, A. H. Estate "A" #823532814 | 7,000 |
| 337003 | Oct 30, 1987 | Oct 30, 1987 | Union Pacific Resources Company | Irion | Duff, A. H. Estate "A" #723532813 | 7,000 |
| 337580 | Oct 21, 1987 | Oct 21, 1987 | Union Pacific Resources Company | Victoria | McFaddin, J. A. -A- #25D46932355 | 4,000 |
| 337628 | Oct 20, 1987 | Oct 20, 1987 | Union Pacific Resources Company | Freestone | McLeod, John Dean #116131073 | 5,700 |
| 337400 | Oct 14, 1987 | Oct 14, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17035532601 | 8,200 |
| 337400Amendment | Oct 14, 1987 | Oct 14, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17035532601 | 8,200 |
| 337399 | Oct 14, 1987 | Oct 14, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17135532600 | 8,200 |
| 337277 | Oct 12, 1987 | Oct 12, 1987 | Union Pacific Resources Company | Kleberg | Wardner, G. P. #117J27330104 | 7,050 |
| 337115 | Oct 9, 1987 | Oct 9, 1987 | Union Pacific Resources Company | Nueces | Butts, J. B. #535532335 | 7,260 |
| 337016 | Oct 6, 1987 | Oct 6, 1987 | Union Pacific Resources Company | Yoakum | Field, Mabel #150133296 | 12,700 |
| 336837 | Oct 2, 1987 | Oct 2, 1987 | Union Pacific Resources Company | Brooks | Alexander, K. J. Estate #104731513 | 11,700 |
| 336837Amendment | Oct 2, 1987 | Oct 2, 1987 | Union Pacific Resources Company | Brooks | Alexander, K. J. Estate #104731513 | 11,700 |
| 336343 | Sep 22, 1987 | Sep 22, 1987 | Union Pacific Resources Company | Victoria | McFaddin, J. A. -B- #1946932565 | 3,900 |
| 336343Amendment | Sep 22, 1987 | Sep 22, 1987 | Union Pacific Resources Company | Victoria | McFaddin, J. A. -B- #1946932565 | 3,700 |
| 336342 | Sep 22, 1987 | Sep 22, 1987 | Union Pacific Resources Company | Victoria | McFaddin, J. A. -B- #1846932566 | 3,900 |
| 336076 | Sep 18, 1987 | Sep 18, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #10035505329 | 7,100 |
| 335514 | Sep 3, 1987 | Sep 3, 1987 | Union Pacific Resources Company | Nueces | Bush-Wofford -A- #235532588 | 8,200 |
| 335514Amendment | Sep 3, 1987 | Sep 3, 1987 | Union Pacific Resources Company | Nueces | Bush-Wofford -A- #235532588 | 8,700 |
| 335512 | Sep 3, 1987 | Sep 3, 1987 | Union Pacific Resources Company | Nueces | Bush-Wofford -C- #335532589 | 8,200 |
| 335512Amendment | Sep 3, 1987 | Sep 3, 1987 | Union Pacific Resources Company | Nueces | Bush-Wofford "C" #335532589 | 8,000 |
| 335400 | Sep 3, 1987 | Sep 3, 1987 | Union Pacific Resources Company | Kleberg | Wardner, G. P. #83J27300153 | 9,546 |
| 335400Amendment | Sep 3, 1987 | Sep 3, 1987 | Union Pacific Resources Company | Kleberg | Wardner, G. P. #83F27300153 | 9,546 |
| 335399 | Sep 3, 1987 | Sep 3, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #7435505316 | 7,065 |
| 333968 | Sep 3, 1987 | Sep 3, 1987 | Union Pacific Resources Company | Jim Wells | Wardner, G. P. #121F24930092 | 7,324 |
| 349109Amendment | Sep 1, 1987 | Sep 1, 1987 | Union Pacific Resources Company | Nueces | Rivers -A- #435505388 | 6,963 |
| 334015 | Aug 28, 1987 | Aug 28, 1987 | Union Pacific Resources Company | Burleson | Loehr, R. W. #2H05132982 | 9,432 |
| 335128 | Aug 26, 1987 | Aug 26, 1987 | Union Pacific Resources Company | Kleberg | Wardner, G. P. #16927332090 | 8,200 |
| 335127 | Aug 26, 1987 | Aug 26, 1987 | Union Pacific Resources Company | Nueces | Mosley & Dryden -B- #335532586 | 8,200 |
| 334460 | Aug 17, 1987 | Aug 17, 1987 | Union Pacific Resources Company | Nueces | Wardner, G. P. #123H35530604 | 6,415 |
| 334592 | Aug 14, 1987 | Aug 14, 1987 | Union Pacific Resources Company | Nueces | Chapman Ranch #707435532468 | 11,043 |
| 334329 | Aug 14, 1987 | Aug 14, 1987 | Union Pacific Resources Company | Jim Wells | Wardner, G. P. #122J24930139 | 7,300 |
| 334423 | Aug 12, 1987 | Aug 12, 1987 | Union Pacific Resources Company | Washington | Muery, H. #147730650 | 11,000 |
| 334422 | Aug 12, 1987 | Aug 12, 1987 | Union Pacific Resources Company | Washington | Handley, J. S. #147730649 | 11,000 |
| 334328 | Aug 12, 1987 | Aug 12, 1987 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #2235531944 | 9,000 |