| 370850Amendment | Mar 12, 1990 | Mar 12, 1990 | Union Pacific Resources Company | Victoria | McFaddin 'A' #3946932740 | 7,000 |
| 370848 | Mar 12, 1990 | Mar 12, 1990 | Union Pacific Resources Company | Victoria | McFaddin "A" #4246932739 | 7,005 |
| 370848Amendment | Mar 12, 1990 | Mar 12, 1990 | Union Pacific Resources Company | Victoria | McFaddin "A" #4246932739 | 6,500 |
| 370844 | Mar 12, 1990 | Mar 12, 1990 | Union Pacific Resources Company | Victoria | McFaddin "A" #4146932738 | 7,010 |
| 370844Amendment | Mar 12, 1990 | Mar 12, 1990 | Union Pacific Resources Company | Victoria | McFaddin "A" #4146932738 | 6,512 |
| 370759 | Mar 9, 1990 | Mar 9, 1990 | Union Pacific Resources Company | Rusk | B. Sheppard GU5 #440132302 | 11,000 |
| 370758 | Mar 9, 1990 | Mar 9, 1990 | Union Pacific Resources Company | Panola | Freeman Gas Unit #236532296 | 10,150 |
| 370757 | Mar 9, 1990 | Mar 9, 1990 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #3921531934 | 7,932 |
| 370757Amendment | Mar 9, 1990 | Mar 9, 1990 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #3921531934 | 7,932 |
| 370695 | Mar 8, 1990 | Mar 8, 1990 | Union Pacific Resources Company | San Patricio | Welder Ranch #1840932332 | 7,900 |
| 370694 | Mar 8, 1990 | Mar 8, 1990 | Union Pacific Resources Company | San Patricio | Welder Ranch #1740932333 | 8,500 |
| 370693 | Mar 8, 1990 | Mar 8, 1990 | Union Pacific Resources Company | San Patricio | Welder Ranch #1640932334 | 8,000 |
| 370693Amendment | Mar 8, 1990 | Mar 8, 1990 | Union Pacific Resources Company | San Patricio | Welder Ranch #1640932334 | 8,000 |
| 370647 | Mar 7, 1990 | Mar 7, 1990 | Union Pacific Resources Company | Burleson | Stefka-Stefka Unit #1H05133050 | 10,000 |
| 370608 | Mar 6, 1990 | Mar 6, 1990 | Union Pacific Resources Company | Burleson | Ryan-Tatum Unit #1H05133049 | 14,000 |
| 370456 | Mar 1, 1990 | Mar 1, 1990 | Union Pacific Resources Company | Kleberg | Wardner, G.P. #9227300168 | 8,897 |
| 370455 | Mar 1, 1990 | Mar 1, 1990 | Union Pacific Resources Company | Kleberg | Wardner, G.P. #9327300156 | 7,700 |
| 370368Amendment | Mar 1, 1990 | Mar 1, 1990 | Union Pacific Resources Company | Crockett | Helbing "15" #410535766 | 6,730 |
| 370385 | Feb 28, 1990 | Feb 28, 1990 | Union Pacific Resources Company | Jim Wells | Wardner, G.P. #8924902301 | 7,300 |
| 370309 | Feb 26, 1990 | Feb 26, 1990 | Union Pacific Resources Company | Nueces | Wardner, G.P. #17335532602 | 9,360 |
| 370308 | Feb 26, 1990 | Feb 26, 1990 | Union Pacific Resources Company | Nueces | Countiss, Sam "E" #135532805 | 8,300 |
| 370307 | Feb 26, 1990 | Feb 26, 1990 | Union Pacific Resources Company | Hidalgo | W.L. Goldston et Al #3821531926 | 7,590 |
| 370307Amendment | Feb 26, 1990 | Feb 26, 1990 | Union Pacific Resources Company | Hidalgo | Goldstone, W. L. et Al #3821531926 | 7,300 |
| 370306 | Feb 26, 1990 | Feb 26, 1990 | Union Pacific Resources Company | Hidalgo | W.L. Goldston et Al #3621531925 | 7,540 |
| 370306Amendment | Feb 26, 1990 | Feb 26, 1990 | Union Pacific Resources Company | Hidalgo | W.L. Goldston et Al #3621531925 | 7,300 |
| 368437Amendment | Feb 26, 1990 | Feb 26, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 6 #220331871 | 11,000 |
| 370143 | Feb 22, 1990 | Feb 22, 1990 | Union Pacific Resources Company | Burleson | Lydia Rubach -a- Unit #1H05133043 | 12,000 |
| 369971Amendment | Feb 22, 1990 | Feb 22, 1990 | Union Pacific Resources Company | Crockett | O.B.T.C. #410535763 | 6,330 |
| 369965Amendment | Feb 22, 1990 | Feb 22, 1990 | Union Pacific Resources Company | Crockett | Helbing "17" #310535758 | 6,400 |
| 370025 | Feb 20, 1990 | Feb 20, 1990 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #3721531919 | 7,560 |
| 370025Amendment | Feb 20, 1990 | Feb 20, 1990 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #3721531919 | 7,335 |
| 369982 | Feb 16, 1990 | Feb 16, 1990 | Union Pacific Resources Company | Nueces | Wardner, G.P. #20235532705 | 7,500 |
| 369981 | Feb 16, 1990 | Feb 16, 1990 | Union Pacific Resources Company | Kleberg | Wardner, G.P. #18227332113 | 8,000 |
| 369980 | Feb 16, 1990 | Feb 16, 1990 | Union Pacific Resources Company | Victoria | Bruno, Leita J. #146932730 | 11,000 |
| 369860 | Feb 14, 1990 | Feb 14, 1990 | Union Pacific Resources Company | Nueces | Wardner, G. P. #201F35532701 | 8,000 |
| 369859 | Feb 14, 1990 | Feb 14, 1990 | Union Pacific Resources Company | Nueces | Wardner, G. P. #19335532685 | 8,000 |
| 369859Amendment | Feb 14, 1990 | Feb 14, 1990 | Union Pacific Resources Company | Nueces | Wardner, G. P. #19335532685 | 8,000 |
| 369858 | Feb 14, 1990 | Feb 14, 1990 | Union Pacific Resources Company | Nueces | Texon Royalty -B- #835532614 | 7,900 |
| 369709 | Feb 9, 1990 | Feb 9, 1990 | Union Pacific Resources Company | Burleson | Tatum #7H05133041 | 13,750 |
| 369634 | Feb 8, 1990 | Feb 8, 1990 | Union Pacific Resources Company | Nueces | Golladay, A.H. #435532804 | 8,800 |
| 369634Amendment | Feb 8, 1990 | Feb 8, 1990 | Union Pacific Resources Company | Nueces | Golladay, A.H. #435532804 | 8,800 |
| 369634Amendment | Feb 8, 1990 | Feb 8, 1990 | Union Pacific Resources Company | Nueces | Golladay, A.H. #435532804 | 8,800 |
| 369633 | Feb 8, 1990 | Feb 8, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 3 #420331892 | 11,100 |
| 369632 | Feb 8, 1990 | Feb 8, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 3 #320331893 | 11,075 |
| 369474 | Feb 5, 1990 | Feb 5, 1990 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #3521531915 | 7,770 |
| 369474Amendment | Feb 5, 1990 | Feb 5, 1990 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #3521531915 | 7,770 |
| 368492 | Feb 5, 1990 | Feb 5, 1990 | Union Pacific Resources Company | Burleson | Deutsch, Melvin #105132504 | 8,280 |
| 369364 | Feb 1, 1990 | Feb 1, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 6 #320332197 | 11,100 |
| 369364Amendment | Feb 1, 1990 | Feb 1, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 6 #320332197 | 11,100 |
| 369363 | Feb 1, 1990 | Feb 1, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 6 #420331884 | 11,050 |
| 369362 | Feb 1, 1990 | Feb 1, 1990 | Union Pacific Resources Company | Gregg | A.C. Garrett Gas Unit #318330806 | 11,100 |
| 369362Amendment | Feb 1, 1990 | Feb 1, 1990 | Union Pacific Resources Company | Gregg | A.C. Garrett GU #318330806 | 11,100 |
| 369267 | Jan 30, 1990 | Jan 30, 1990 | Union Pacific Resources Company | Nueces | Ingram, Donald #1535532746 | 7,500 |
| 369266 | Jan 30, 1990 | Jan 30, 1990 | Union Pacific Resources Company | Nueces | Bush-Wofford -E- #335532703 | 7,960 |
| 369265 | Jan 30, 1990 | Jan 30, 1990 | Union Pacific Resources Company | Harrison | Letourneau et Al #50420331881 | 10,975 |
| 369264 | Jan 30, 1990 | Jan 30, 1990 | Union Pacific Resources Company | Burleson | Tatum #8H05133039 | 11,900 |
| 369264Amendment | Jan 30, 1990 | Jan 30, 1990 | Union Pacific Resources Company | Burleson | Tatum #8H05133039 | 12,500 |
| 369263 | Jan 30, 1990 | Jan 30, 1990 | Union Pacific Resources Company | Rusk | Sheppard, Bailey et Al #1340132410 | 10,890 |
| 369229 | Jan 29, 1990 | Jan 29, 1990 | Union Pacific Resources Company | Nueces | Sullivan, G.E. Fee #735505345 | 6,834 |
| 369227 | Jan 29, 1990 | Jan 29, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 2 #420331879 | 10,750 |
| 369227Amendment | Jan 29, 1990 | Jan 29, 1990 | Union Pacific Resources Company | Harrison | Letourneau GU2 #420331879 | 10,750 |
| 369226 | Jan 29, 1990 | Jan 29, 1990 | Union Pacific Resources Company | Burleson | Heine, John W. #4H05133038 | 11,900 |
| 369140 | Jan 26, 1990 | Jan 26, 1990 | Union Pacific Resources Company | Nueces | Wardner, G.P. #19135532770 | 7,973 |
| 369139 | Jan 26, 1990 | Jan 26, 1990 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #2421531913 | 7,650 |
| 369139Amendment | Jan 26, 1990 | Jan 26, 1990 | Union Pacific Resources Company | Hidalgo | Goldston, W. L. et Al #2421531913 | 7,650 |
| 369138 | Jan 26, 1990 | Jan 26, 1990 | Union Pacific Resources Company | Nueces | Short, Florence #135532753 | 7,400 |
| 368757 | Jan 26, 1990 | Jan 26, 1990 | Union Pacific Resources Company | Panola | Cgu 1 #636532270 | 10,045 |
| 368631 | Jan 26, 1990 | Jan 26, 1990 | Union Pacific Resources Company | Panola | Cgu 1 #536532266 | 10,500 |
| 369037 | Jan 24, 1990 | Jan 24, 1990 | Union Pacific Resources Company | Rusk | Sheppard, Bailey et Al #1140132294 | 10,900 |
| 369036 | Jan 24, 1990 | Jan 24, 1990 | Union Pacific Resources Company | Rusk | Sheppard, Bailey et Al #1240132409 | 10,800 |
| 368898 | Jan 22, 1990 | Jan 22, 1990 | Union Pacific Resources Company | Kleberg | Wardner, G.P. #20727332140 | 8,000 |
| 368393 | Jan 22, 1990 | Jan 22, 1990 | Union Pacific Resources Company | Gregg | A.C. Garrett Gas Unit #218330804 | 11,000 |
| 368839 | Jan 19, 1990 | Jan 19, 1990 | Union Pacific Resources Company | Nueces | Rivers -A- #2035532760 | 7,379 |
| 368820 | Jan 18, 1990 | Jan 18, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 4 #420332107 | 10,900 |
| 368819 | Jan 18, 1990 | Jan 18, 1990 | Union Pacific Resources Company | Harrison | Ross, Ralph #320331874 | 11,100 |
| 368819Amendment | Jan 18, 1990 | Jan 18, 1990 | Union Pacific Resources Company | Harrison | Ross, Ralph #320331874 | 11,100 |
| 368760 | Jan 17, 1990 | Jan 17, 1990 | Union Pacific Resources Company | Burleson | Lightsey, D.D. #2H05133036 | 9,300 |
| 368759 | Jan 17, 1990 | Jan 17, 1990 | Union Pacific Resources Company | Harrison | Ross, Ralph #220331873 | 11,000 |
| 368759Amendment | Jan 17, 1990 | Jan 17, 1990 | Union Pacific Resources Company | Harrison | Ross, Ralph #220331873 | 11,000 |
| 368703 | Jan 16, 1990 | Jan 16, 1990 | Union Pacific Resources Company | Kleberg | Wardner, G.P. #18127332108 | 9,500 |
| 368591 | Jan 12, 1990 | Jan 12, 1990 | Union Pacific Resources Company | Panola | McNee, P. J. #136501647 | 9,240 |
| 368438Amendment | Jan 9, 1990 | Jan 9, 1990 | Union Pacific Resources Company | Nueces | Wendel Oil Unit #135532795 | 7,500 |
| 368438Amendment | Jan 9, 1990 | Jan 9, 1990 | Union Pacific Resources Company | Nueces | Wendel Gas Unit #135532795 | 7,500 |
| 368437 | Jan 9, 1990 | Jan 9, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 6 #220331871 | 11,000 |
| 368436 | Jan 9, 1990 | Jan 9, 1990 | Union Pacific Resources Company | Nueces | Wardner, G. P. #17535532628 | 8,000 |
| 368435 | Jan 9, 1990 | Jan 9, 1990 | Union Pacific Resources Company | Kleberg | Wardner, G.P. #13127331167 | 10,697 |
| 368392 | Jan 8, 1990 | Jan 8, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 4 #320331870 | 11,100 |
| 368312 | Jan 5, 1990 | Jan 5, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 1 #320331868 | 11,100 |
| 368312Amendment | Jan 5, 1990 | Jan 5, 1990 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 1 #320331868 | 11,100 |
| 368234 | Jan 4, 1990 | Jan 4, 1990 | Union Pacific Resources Company | Victoria | McFaddin -A- #3646932681 | 5,500 |
| 368234Amendment | Jan 4, 1990 | Jan 4, 1990 | Union Pacific Resources Company | Victoria | McFaddin -A- #3646932681 | 5,500 |
| 368233 | Jan 4, 1990 | Jan 4, 1990 | Union Pacific Resources Company | Victoria | McFaddin -A- #1946932036 | 5,500 |
| 368232 | Jan 4, 1990 | Jan 4, 1990 | Union Pacific Resources Company | Kleberg | Wardner, G.P. #20627332138 | 8,000 |
| 368231 | Jan 4, 1990 | Jan 4, 1990 | Union Pacific Resources Company | Nueces | Elliff, J.S. et Al #3135532677 | 8,073 |
| 368230 | Jan 4, 1990 | Jan 4, 1990 | Union Pacific Resources Company | Nueces | Elliff, J. S. et Al #2935532651 | 8,000 |
| 368229 | Jan 4, 1990 | Jan 4, 1990 | Union Pacific Resources Company | Nueces | Union Central Life Ins. Co. #1135505364 | 6,745 |
| 368229Amendment | Jan 4, 1990 | Jan 4, 1990 | Union Pacific Resources Company | Nueces | Union Central Life Ins. Co. #1135505364 | 6,745 |
| 368184 | Jan 2, 1990 | Jan 2, 1990 | Union Pacific Resources Company | Nueces | Elliff, J. S et al "C" #135532745 | 8,000 |
| 368184Amendment | Jan 2, 1990 | Jan 2, 1990 | Union Pacific Resources Company | Nueces | Elliff, J. S et al "C" #135532745 | 8,000 |
| 368125 | Dec 29, 1989 | Dec 29, 1989 | Union Pacific Resources Company | Panola | Cgu 31 #236531045 | 9,950 |