| 491388 | Feb 28, 2000 | Feb 28, 2000 | Union Pacific Resources Company | Panola | Cgu 19 #12 | 10,000 | 36534322 |
| 492235 | Feb 25, 2000 | Feb 25, 2000 | Union Pacific Resources Company | Panola | Cgu 11 #8C | 10,000 | 36532790 |
| 492147 | Feb 16, 2000 | Feb 16, 2000 | Union Pacific Resources Company | Crockett | McMullan "6" #5 | 7,000 | 10537027 |
| 492147Amendment | Feb 16, 2000 | Feb 16, 2000 | Union Pacific Resources Company | Crockett | McMullan "6" #5 | 8,350 | 10537027 |
| 492110 | Feb 15, 2000 | Feb 15, 2000 | Union Pacific Resources Company | Zapata | Haynes #21 | 14,000 | 50534086 |
| 491893 | Feb 9, 2000 | Feb 9, 2000 | Union Pacific Resources Company | Brazos | Bush-Stetz #1REH | 15,000 | 04131601 |
| 491893Amendment | Feb 9, 2000 | Feb 9, 2000 | Union Pacific Resources Company | Brazos | Bush-Stetz #1REH | 15,000 | 04131601 |
| 491845 | Feb 8, 2000 | Feb 8, 2000 | Union Pacific Resources Company | Lee | Janette #1REH | 13,000 | 28731340 |
| 491821 | Feb 7, 2000 | Feb 7, 2000 | Union Pacific Resources Company | Panola | Jones, Tom #1 | 4,200 | 36534337 |
| 491386 | Jan 28, 2000 | Jan 28, 2000 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 6 #7 | 12,000 | 20332592 |
| 491385 | Jan 28, 2000 | Jan 28, 2000 | Union Pacific Resources Company | Panola | Cgu 5 #8 | 10,000 | 36534323 |
| 491480 | Jan 27, 2000 | Jan 27, 2000 | Union Pacific Resources Company | Crockett | Hoover, Laura Estate 7C #8 | 7,900 | 10538331 |
| 491479 | Jan 27, 2000 | Jan 27, 2000 | Union Pacific Resources Company | Burleson | Stefka R. E. - Orsag #1H | 8,000 | 05133019 |
| 491478 | Jan 27, 2000 | Jan 27, 2000 | Union Pacific Resources Company | Crockett | Graves 12 #5 | 8,000 | 10538332 |
| 491224 | Jan 27, 2000 | Jan 27, 2000 | Union Pacific Resources Company | Jasper | Donner Brown Unit A-1006 #1H | 16,000 | 24130668 |
| 491224Amendment | Jan 27, 2000 | Jan 27, 2000 | Union Pacific Resources Company | Jasper | Donner Brown Unit A-1006 #1H | 16,320 | 24130668 |
| 491387 | Jan 26, 2000 | Jan 26, 2000 | Union Pacific Resources Company | Harrison | Letourneau Gas Unit 7 #7 | 12,000 | 20332591 |
| 491231 | Jan 20, 2000 | Jan 20, 2000 | Union Pacific Resources Company | Zapata | Haynes #20 | 14,000 | 50534069 |
| 491231Amendment | Jan 20, 2000 | Jan 20, 2000 | Union Pacific Resources Company | Zapata | Haynes #20 | 14,000 | 50534069 |
| 491231Amendment | Jan 20, 2000 | Jan 20, 2000 | Union Pacific Resources Company | Zapata | Haynes #20 | 12,000 | 50534069 |
| 491230 | Jan 20, 2000 | Jan 20, 2000 | Union Pacific Resources Company | Lee | Wolf #1RE | 14,000 | 28732462 |
| 490957 | Jan 19, 2000 | Jan 19, 2000 | Union Pacific Resources Company | Crockett | McMullan 6 #4 | 7,500 | 10537058 |
| 490957Amendment | Jan 19, 2000 | Jan 19, 2000 | Union Pacific Resources Company | Crockett | McMullan 6 #4 | 8,500 | 10537058 |
| 491087 | Jan 14, 2000 | Jan 14, 2000 | Union Pacific Resources Company | Fayette | Koenig #1REH | 13,000 | 14931936 |
| 491086 | Jan 14, 2000 | Jan 14, 2000 | Union Pacific Resources Company | Fayette | Doc Unit #1REH | 15,000 | 14931767 |
| 491086Amendment | Jan 14, 2000 | Jan 14, 2000 | Union Pacific Resources Company | Fayette | Doc Unit #1REH | 15,000 | 14931767 |
| 491050 | Jan 13, 2000 | Jan 13, 2000 | Union Pacific Resources Company | Brazos | Berger-Porterfield #1REH | 15,000 | 04131571 |
| 491050Amendment | Jan 13, 2000 | Jan 13, 2000 | Union Pacific Resources Company | Brazos | Berger-Porterfield #1REH | 15,000 | 04131571 |
| 491049 | Jan 13, 2000 | Jan 13, 2000 | Union Pacific Resources Company | Madison | Dickens Unit A-231 #1H | 12,000 | 31330766 |
| 491048 | Jan 13, 2000 | Jan 13, 2000 | Union Pacific Resources Company | Burleson | Calvin-Fachorn Unit #1H | 8,000 | 05133577 |
| 491048Amendment | Jan 13, 2000 | Jan 13, 2000 | Union Pacific Resources Company | Burleson | Calvin-Fachorn Unit #1H | 8,000 | 05133577 |
| 490899 | Jan 7, 2000 | Jan 7, 2000 | Union Pacific Resources Company | Crockett | Hutchings "43" #5 | 7,500 | 10538320 |
| 489442 | Dec 22, 1999 | Dec 22, 1999 | Union Pacific Resources Company | Panola | Cgu 17 #12 | 10,000 | 36534280 |
| 490387 | Dec 20, 1999 | Dec 20, 1999 | Union Pacific Resources Company | Panola | Cgu 25 #6C | 9,830 | 36532666 |
| 489508 | Dec 15, 1999 | Dec 15, 1999 | Union Pacific Resources Company | Panola | Cgu 25 #16 | 10,000 | 36534273 |
| 489506 | Dec 15, 1999 | Dec 15, 1999 | Union Pacific Resources Company | Panola | Cgu 25 #12 | 10,000 | 36534272 |
| 489505 | Dec 15, 1999 | Dec 15, 1999 | Union Pacific Resources Company | Panola | Cgu 11 #13 | 10,000 | 36534274 |
| 490331 | Dec 14, 1999 | Dec 14, 1999 | Union Pacific Resources Company | Lee | Pilot Fish Unit #1 | 12,000 | 28732503 |
| 489443 | Dec 13, 1999 | Dec 13, 1999 | Union Pacific Resources Company | Panola | Cgu 15 #13 | 10,000 | 36534269 |
| 489441 | Dec 13, 1999 | Dec 13, 1999 | Union Pacific Resources Company | Panola | Cgu 24 #13 | 10,000 | 36534268 |
| 489440 | Dec 13, 1999 | Dec 13, 1999 | Union Pacific Resources Company | Panola | Cgu 15 #14 | 10,000 | 36534267 |
| 489439 | Dec 13, 1999 | Dec 13, 1999 | Union Pacific Resources Company | Panola | Cgu 19 #11 | 10,000 | 36534266 |
| 489438 | Dec 13, 1999 | Dec 13, 1999 | Union Pacific Resources Company | Panola | Cgu 29 #10 | 10,000 | 36534265 |
| 489437 | Dec 13, 1999 | Dec 13, 1999 | Union Pacific Resources Company | Panola | Cgu 22 #13 | 10,000 | 36534270 |
| 489045 | Dec 8, 1999 | Dec 8, 1999 | Union Pacific Resources Company | Panola | Cgu 21 #11 | 10,000 | 36534254 |
| 490106 | Dec 7, 1999 | Dec 7, 1999 | Union Pacific Resources Company | Robertson | Red Deer Unit #1H | 7,500 | 39530598 |
| 490045 | Dec 6, 1999 | Dec 6, 1999 | Union Pacific Resources Company | Crockett | Hutchings "43" #4 | 7,500 | 10538309 |
| 490044 | Dec 6, 1999 | Dec 6, 1999 | Union Pacific Resources Company | Crockett | Hutchings "43" #3 | 7,500 | 10538308 |
| 490043 | Dec 6, 1999 | Dec 6, 1999 | Union Pacific Resources Company | Crockett | Hoover, Laura Est. 42A #4 | 7,500 | 10538307 |
| 490042 | Dec 6, 1999 | Dec 6, 1999 | Union Pacific Resources Company | Crockett | Hoover, Laura Estate "41C" #4 | 7,500 | 10538306 |
| 489966 | Dec 2, 1999 | Dec 2, 1999 | Union Pacific Resources Company | Burleson | Colt #1H | 6,655 | 05133572 |
| 489965 | Dec 2, 1999 | Dec 2, 1999 | Union Pacific Resources Company | Goliad | Jank #1 | 14,500 | 17533205 |
| 489935 | Dec 2, 1999 | Dec 2, 1999 | Union Pacific Resources Company | Jasper | Vastar Fee Unit A-910 #1H | 19,039 | 24130666 |
| 489935Amendment | Dec 2, 1999 | Dec 2, 1999 | Union Pacific Resources Company | Jasper | Vastar Fee Unit A-910 #1H | 11,858 | 24130666 |
| 485850Amendment | Dec 2, 1999 | Dec 2, 1999 | Union Pacific Resources Company | Milam | Kyle #1H | 6,100 | 33133512 |
| 488881 | Nov 29, 1999 | Nov 29, 1999 | Union Pacific Resources Company | Panola | Cgu 26 #13 | 10,000 | 36534248 |
| 488882 | Nov 24, 1999 | Nov 24, 1999 | Union Pacific Resources Company | Panola | Cgu 17 #13 | 10,000 | 36534249 |
| 488858 | Nov 24, 1999 | Nov 24, 1999 | Union Pacific Resources Company | Panola | Cgu 25 #15 | 10,000 | 36534247 |
| 488857 | Nov 24, 1999 | Nov 24, 1999 | Union Pacific Resources Company | Panola | Cgu 23 #13 | 10,000 | 36534246 |
| 488856 | Nov 24, 1999 | Nov 24, 1999 | Union Pacific Resources Company | Panola | Cgu 24 #15 | 10,000 | 36534245 |
| 488830 | Nov 24, 1999 | Nov 24, 1999 | Union Pacific Resources Company | Panola | Cgu 22 #12 | 10,000 | 36534241 |
| 488829 | Nov 24, 1999 | Nov 24, 1999 | Union Pacific Resources Company | Panola | Cgu 21 #12 | 10,000 | 36534242 |
| 488828 | Nov 24, 1999 | Nov 24, 1999 | Union Pacific Resources Company | Panola | Cgu 25 #11 | 10,000 | 36534243 |
| 488826 | Nov 23, 1999 | Nov 23, 1999 | Union Pacific Resources Company | Panola | Cgu 24 #14 | 10,000 | 36534240 |
| 489670 | Nov 19, 1999 | Nov 19, 1999 | Union Pacific Resources Company | Austin | Apollo Unit #1H | 17,000 | 01530747 |
| 489670Amendment | Nov 19, 1999 | Nov 19, 1999 | Union Pacific Resources Company | Austin | Apollo Unit #1H | 17,000 | 01530747 |
| 489669 | Nov 19, 1999 | Nov 19, 1999 | Union Pacific Resources Company | Crockett | Millspaugh, Sarah C. 70B #5 | 7,600 | 10538304 |
| 489587 | Nov 17, 1999 | Nov 17, 1999 | Union Pacific Resources Company | Crockett | Millspaugh, Sarah C. 16D #6 | 7,500 | 10538303 |
| 489553 | Nov 16, 1999 | Nov 16, 1999 | Union Pacific Resources Company | Burleson | Moehlman, Henry Jr. #1H | 9,955 | 05133237 |
| 488306 | Nov 16, 1999 | Nov 16, 1999 | Union Pacific Resources Company | Panola | Cgu 26 #11 | 9,900 | 36534229 |
| 489423 | Nov 12, 1999 | Nov 12, 1999 | Union Pacific Resources Company | Lee | Prellop #3REH | 12,000 | 28731328 |
| 489050 | Nov 9, 1999 | Nov 9, 1999 | Union Pacific Resources Company | Panola | Cgu 13 #14 | 10,000 | 36534253 |
| 488305 | Nov 8, 1999 | Nov 8, 1999 | Union Pacific Resources Company | Panola | Cgu 26 #12 | 9,900 | 36534228 |
| 488357 | Nov 5, 1999 | Nov 5, 1999 | Union Pacific Resources Company | Fayette | Schuhmacher #1REH | 15,000 | 14931749 |
| 488256 | Nov 3, 1999 | Nov 3, 1999 | Union Pacific Resources Company | Panola | Cgu 23 #14 | 10,000 | 36534226 |
| 488827 | Nov 2, 1999 | Nov 2, 1999 | Union Pacific Resources Company | Panola | Cgu 24 #12 | 9,900 | 36534239 |
| 489015 | Nov 1, 1999 | Nov 1, 1999 | Union Pacific Resources Company | Fayette | Levien Unit #1H | 14,000 | 14933099 |
| 489015Amendment | Nov 1, 1999 | Nov 1, 1999 | Union Pacific Resources Company | Fayette | Levien Unit #1H | 14,000 | 14933099 |
| 489015Amendment | Nov 1, 1999 | Nov 1, 1999 | Union Pacific Resources Company | Fayette | Levien Unit #1H | 14,500 | 14933099 |
| 488934 | Oct 28, 1999 | Oct 28, 1999 | Union Pacific Resources Company | Panola | Cgu 13 #13 | 10,000 | 36534250 |
| 488933 | Oct 28, 1999 | Oct 28, 1999 | Union Pacific Resources Company | Brazos | Stetz-Rancho Grande Unit #1H | 9,300 | 04131716 |
| 488933Amendment | Oct 28, 1999 | Oct 28, 1999 | Union Pacific Resources Company | Brazos | Stetz-Rancho Grande #1REH | 14,000 | 04131716 |
| 488357Amendment | Oct 18, 1999 | Oct 18, 1999 | Union Pacific Resources Company | Fayette | Schuhmacher #1REH | 15,000 | 14931749 |
| 488358 | Oct 11, 1999 | Oct 11, 1999 | Union Pacific Resources Company | Crockett | Couch 21-22 #1H | 9,200 | 10538088 |
| 488356 | Oct 11, 1999 | Oct 11, 1999 | Union Pacific Resources Company | Lee | Schroeder #1REH | 10,000 | 28730919 |
| 488356Amendment | Oct 11, 1999 | Oct 11, 1999 | Union Pacific Resources Company | Lee | Schroeder #1REH | 11,000 | 28730919 |
| 488607 | Oct 7, 1999 | Oct 7, 1999 | Union Pacific Resources Company | Panola | Cgu 29 #8 | 10,300 | 36534233 |
| 487292 | Oct 5, 1999 | Oct 5, 1999 | Union Pacific Resources Company | Crockett | Henderson "20" #2 | 9,125 | 10537303 |
| 488010 | Sep 28, 1999 | Sep 28, 1999 | Union Pacific Resources Company | Fayette | Schumacher-Bohot #1 | 12,500 | 14933097 |
| 487805 | Sep 22, 1999 | Sep 22, 1999 | Union Pacific Resources Company | Milam | Moore Unit #1H | 5,700 | 33133515 |
| 487805Amendment | Sep 22, 1999 | Sep 22, 1999 | Union Pacific Resources Company | Milam | Moore Unit #1H | 5,700 | 33133515 |
| 487804 | Sep 22, 1999 | Sep 22, 1999 | Union Pacific Resources Company | Crockett | McMullan "2" #2 | 9,260 | 10533908 |
| 487803 | Sep 22, 1999 | Sep 22, 1999 | Union Pacific Resources Company | Sutton | Allison, Lea #4101HH | 5,279 | 43534731 |
| 487628 | Sep 16, 1999 | Sep 16, 1999 | Union Pacific Resources Company | Crockett | McMullan "2" #3 | 9,290 | 10536562 |
| 487367 | Sep 13, 1999 | Sep 13, 1999 | Union Pacific Resources Company | Jasper | Temple-Inland Unit A-601 #1H | 15,000 | 24130664 |
| 487367Amendment | Sep 13, 1999 | Sep 13, 1999 | Union Pacific Resources Company | Jasper | Temple-Inland Unit A-601 #1H | 17,561 | 24130664 |
| 487435 | Sep 10, 1999 | Sep 10, 1999 | Union Pacific Resources Company | Milam | Wolf #2H | 6,000 | 33133514 |
| 487385 | Sep 9, 1999 | Sep 9, 1999 | Union Pacific Resources Company | Fayette | Schubert-Hobratschk Unit #1RE | 14,000 | 14932459 |
| 487385Amendment | Sep 9, 1999 | Sep 9, 1999 | Union Pacific Resources Company | Fayette | Mickey #1 | 14,000 | 14932459 |
| 487116 | Sep 2, 1999 | Sep 2, 1999 | Union Pacific Resources Company | Burleson | BI - County #4H | 6,500 | 05133575 |