| 392174Amendment | Sep 23, 1991 | Sep 23, 1991 | Union Pacific Resources Company | Fayette | Pyburn-Zoch "a" Unit #1H14932516 | 12,650 |
| 392112 | Sep 20, 1991 | Sep 20, 1991 | Union Pacific Resources Company | Lee | Sheppard Unit #128730804 | 8,914 |
| 392111 | Sep 20, 1991 | Sep 20, 1991 | Union Pacific Resources Company | Fayette | Karisch, Roy #2H14932514 | 9,500 |
| 392110 | Sep 20, 1991 | Sep 20, 1991 | Union Pacific Resources Company | Fayette | P.C.H.- P.C.H. Unit #1H14932512 | 10,000 |
| 392031 | Sep 18, 1991 | Sep 18, 1991 | Union Pacific Resources Company | Fayette | Belota-Karisch Unit #1H14932510 | 9,800 |
| 391961 | Sep 17, 1991 | Sep 17, 1991 | Union Pacific Resources Company | Fayette | Pyburn-Zoch Unit #1H14932509 | 9,000 |
| 391961Amendment | Sep 17, 1991 | Sep 17, 1991 | Union Pacific Resources Company | Fayette | Pyburn-Zoch Unit #1H14932509 | 12,635 |
| 391896 | Sep 13, 1991 | Sep 13, 1991 | Union Pacific Resources Company | Panola | Cgu 27 #136501661 | 6,347 |
| 391814 | Sep 11, 1991 | Sep 11, 1991 | Union Pacific Resources Company | Fayette | Paseur-Schkade Unit #1H14932508 | 14,300 |
| 391814Amendment | Sep 11, 1991 | Sep 11, 1991 | Union Pacific Resources Company | Fayette | Paseur-Schkade Unit #1H14932508 | 12,476 |
| 391813 | Sep 11, 1991 | Sep 11, 1991 | Union Pacific Resources Company | Burleson | Schultz-Canatella Unit #1H05133274 | 12,500 |
| 391812 | Sep 11, 1991 | Sep 11, 1991 | Union Pacific Resources Company | Fayette | Schkade-Paseur Unit #1H14932507 | 14,500 |
| 391785 | Sep 10, 1991 | Sep 10, 1991 | Union Pacific Resources Company | Brazos | Fazzino-Penicka Unit #1H04131530 | 7,950 |
| 391693 | Sep 6, 1991 | Sep 6, 1991 | Union Pacific Resources Company | Fayette | Tilicek-Tilicek Unit #1H14932484 | 13,800 |
| 391622 | Sep 4, 1991 | Sep 4, 1991 | Union Pacific Resources Company | Burleson | Yegua Unit #H 1H05133273 | 14,500 |
| 391622Amendment | Sep 4, 1991 | Sep 4, 1991 | Union Pacific Resources Company | Burleson | Yegua Unit #H 1H05133273 | 14,500 |
| 391591 | Sep 3, 1991 | Sep 3, 1991 | Union Pacific Resources Company | Panola | Gene Williamson Unit #536532560 | 10,000 |
| 391591Amendment | Sep 3, 1991 | Sep 3, 1991 | Union Pacific Resources Company | Panola | Gena Williamson Unit #536532560 | 9,440 |
| 391588 | Sep 3, 1991 | Sep 3, 1991 | Union Pacific Resources Company | Fayette | Mullins-Mullins Unit #1H14932502 | 13,700 |
| 391588Amendment | Sep 3, 1991 | Sep 3, 1991 | Union Pacific Resources Company | Fayette | Mullins-Mullins Unit #1H14932502 | 13,700 |
| 391485 | Aug 30, 1991 | Aug 30, 1991 | Union Pacific Resources Company | Fayette | Cherry-Cherry Unit #1H14932501 | 12,700 |
| 391485Amendment | Aug 30, 1991 | Aug 30, 1991 | Union Pacific Resources Company | Fayette | Cherry-Cherry Unit #1H14932501 | 13,000 |
| 391484 | Aug 30, 1991 | Aug 30, 1991 | Union Pacific Resources Company | Brazos | Young-Young Unit #1H04131526 | 13,700 |
| 391484Amendment | Aug 30, 1991 | Aug 30, 1991 | Union Pacific Resources Company | Brazos | Young-Young #1H04131526 | 11,531 |
| 391352 | Aug 28, 1991 | Aug 28, 1991 | Union Pacific Resources Company | Gonzales | Bozka-Bozka Unit #1H17731946 | 16,300 |
| 391352Amendment | Aug 28, 1991 | Aug 28, 1991 | Union Pacific Resources Company | Gonzales | Bozka-Bozka Unit #1H17731946 | 13,536 |
| 391305 | Aug 27, 1991 | Aug 27, 1991 | Union Pacific Resources Company | Fayette | Noack-Lehmann Unit #1H14932496 | 14,200 |
| 391305Amendment | Aug 27, 1991 | Aug 27, 1991 | Union Pacific Resources Company | Fayette | Noack-Zoch Unit #1H14932496 | 15,200 |
| 391305Amendment | Aug 27, 1991 | Aug 27, 1991 | Union Pacific Resources Company | Fayette | Noack-Zoch Unit #1H14932496 | 15,300 |
| 391305Amendment | Aug 27, 1991 | Aug 27, 1991 | Union Pacific Resources Company | Fayette | Noack-Zoch Unit #1H14932496 | 11,340 |
| 391263 | Aug 26, 1991 | Aug 26, 1991 | Union Pacific Resources Company | Burleson | Porter-Porter "C" Unit #1H05133269 | 13,800 |
| 391263Amendment | Aug 26, 1991 | Aug 26, 1991 | Union Pacific Resources Company | Burleson | Porter-Porter "C" Unit #1H05133269 | 12,878 |
| 391262 | Aug 26, 1991 | Aug 26, 1991 | Union Pacific Resources Company | Fayette | Oeding-Baca Unit #1H14932495 | 13,500 |
| 391262Amendment | Aug 26, 1991 | Aug 26, 1991 | Union Pacific Resources Company | Fayette | Oeding-Baca Unit #1H14932495 | 11,840 |
| 391103 | Aug 21, 1991 | Aug 21, 1991 | Union Pacific Resources Company | Lee | Marie Unit #128730799 | 8,645 |
| 391101 | Aug 21, 1991 | Aug 21, 1991 | Union Pacific Resources Company | Nueces | Gruene, O. A. #1435532623 | 8,000 |
| 391100 | Aug 21, 1991 | Aug 21, 1991 | Union Pacific Resources Company | Fayette | Pyburn-Kraatz Unit #1H14932493 | 12,750 |
| 391099 | Aug 21, 1991 | Aug 21, 1991 | Union Pacific Resources Company | Brazos | Jones-Cook Unit #1H04131523 | 14,200 |
| 391099Amendment | Aug 21, 1991 | Aug 21, 1991 | Union Pacific Resources Company | Brazos | Jones, C. B. #1H04131523 | 14,200 |
| 391042 | Aug 19, 1991 | Aug 19, 1991 | Union Pacific Resources Company | Harrison | B. Sheppard GU 5 #320332034 | 11,000 |
| 391042Amendment | Aug 19, 1991 | Aug 19, 1991 | Union Pacific Resources Company | Harrison | B. Sheppard GU 5 #320332034 | 11,000 |
| 390941 | Aug 15, 1991 | Aug 15, 1991 | Union Pacific Resources Company | Brazos | Bryan Utilities Lake Unit #H 1H04131522 | 12,500 |
| 390825 | Aug 12, 1991 | Aug 12, 1991 | Union Pacific Resources Company | Fayette | Larue-Mark Investments Unit #1H14932491 | 10,800 |
| 390665 | Aug 8, 1991 | Aug 8, 1991 | Union Pacific Resources Company | Lee | Hielscher-White #128731647 | 8,105 |
| 389840 | Aug 6, 1991 | Aug 6, 1991 | Union Pacific Resources Company | Wheeler | Williams, G.W. #1548331436 | 3,000 |
| 390617 | Aug 5, 1991 | Aug 5, 1991 | Union Pacific Resources Company | Burleson | Mildred Crnkovic Unit #H 1H05133265 | 13,500 |
| 390517 | Aug 2, 1991 | Aug 2, 1991 | Union Pacific Resources Company | Burleson | James Sebesta Unit #H 1H05133264 | 10,400 |
| 390480 | Aug 1, 1991 | Aug 1, 1991 | Union Pacific Resources Company | Gonzales | Austin-Whyburn Unit #1H17731939 | 15,000 |
| 390480Amendment | Aug 1, 1991 | Aug 1, 1991 | Union Pacific Resources Company | Gonzales | Austin-Whyburn Unit #1H17731939 | 13,269 |
| 390452 | Jul 31, 1991 | Jul 31, 1991 | Union Pacific Resources Company | Fayette | The Pines, Inc.-Karisch Unit #1H14932486 | 15,000 |
| 390327 | Jul 29, 1991 | Jul 29, 1991 | Union Pacific Resources Company | Brazos | Jones, A.A. #104130657 | 10,573 |
| 390250 | Jul 25, 1991 | Jul 25, 1991 | Union Pacific Resources Company | Fayette | Tilicek-Tilicek Unit #1H14932484 | 13,800 |
| 390250Amendment | Jul 25, 1991 | Jul 25, 1991 | Union Pacific Resources Company | Fayette | Tilicek-Tilicek Unit #114932484 | 10,000 |
| 390115 | Jul 22, 1991 | Jul 22, 1991 | Union Pacific Resources Company | Fayette | Kraatz, Erwin #2H14932482 | 12,200 |
| 390115Amendment | Jul 22, 1991 | Jul 22, 1991 | Union Pacific Resources Company | Fayette | Kraatz, Erwin #2H14932482 | 11,485 |
| 390099 | Jul 19, 1991 | Jul 19, 1991 | Union Pacific Resources Company | Burleson | Kubin-Schmidt Unit #1H05133262 | 12,400 |
| 390098 | Jul 19, 1991 | Jul 19, 1991 | Union Pacific Resources Company | Victoria | McFaddin -B- #2646932749 | 6,970 |
| 390046 | Jul 18, 1991 | Jul 18, 1991 | Union Pacific Resources Company | Victoria | McFaddin -B- #3146932766 | 6,500 |
| 389993 | Jul 17, 1991 | Jul 17, 1991 | Union Pacific Resources Company | Fayette | Kraatz Sorrells "a" Unit #1H14932481 | 13,100 |
| 389956 | Jul 16, 1991 | Jul 16, 1991 | Union Pacific Resources Company | Brazos | Court-Mosley Unit #1H04131514 | 14,300 |
| 389956Amendment | Jul 16, 1991 | Jul 16, 1991 | Union Pacific Resources Company | Brazos | Court-Britton Unit #1H04131514 | 12,517 |
| 389955 | Jul 16, 1991 | Jul 16, 1991 | Union Pacific Resources Company | Fayette | Baca-Karisch Unit #1H14932479 | 15,600 |
| 389955Amendment | Jul 16, 1991 | Jul 16, 1991 | Union Pacific Resources Company | Fayette | Baca-Karisch Unit #1H14932479 | 13,307 |
| 389953 | Jul 16, 1991 | Jul 16, 1991 | Union Pacific Resources Company | Fayette | Morgan, Clay #1H14932480 | 14,100 |
| 389953Amendment | Jul 16, 1991 | Jul 16, 1991 | Union Pacific Resources Company | Fayette | Morgan, Clay #1H14932480 | 13,056 |
| 389879 | Jul 16, 1991 | Jul 16, 1991 | Union Pacific Resources Company | Brazos | Beard-Nemec Unit #1H04131513 | 14,000 |
| 389876 | Jul 15, 1991 | Jul 15, 1991 | Union Pacific Resources Company | Fayette | Ephraim-Pyburn Unit #1H14932478 | 12,700 |
| 389839 | Jul 12, 1991 | Jul 12, 1991 | Union Pacific Resources Company | Lee | Fritsche #128731256 | 8,115 |
| 389838 | Jul 12, 1991 | Jul 12, 1991 | Union Pacific Resources Company | Burleson | Rubach-Tatum Unit #1H05133259 | 13,700 |
| 389838Amendment | Jul 12, 1991 | Jul 12, 1991 | Union Pacific Resources Company | Burleson | Rubach-Tatum Unit #1H05133259 | 12,545 |
| 389837 | Jul 12, 1991 | Jul 12, 1991 | Union Pacific Resources Company | Panola | J. F. Hancock Unit #436532524 | 9,850 |
| 389812 | Jul 11, 1991 | Jul 11, 1991 | Union Pacific Resources Company | Kleberg | Wardner, G.P. #14427331404 | 6,215 |
| 389811 | Jul 11, 1991 | Jul 11, 1991 | Union Pacific Resources Company | Gonzales | Baker-Harris Unit #1H17731936 | 12,300 |
| 389810 | Jul 11, 1991 | Jul 11, 1991 | Union Pacific Resources Company | Panola | Fred Kyle "a" Unit #636532503 | 9,950 |
| 389810Amendment | Jul 11, 1991 | Jul 11, 1991 | Union Pacific Resources Company | Panola | Fred Kyle "a" Unit #636532503 | 9,950 |
| 389770 | Jul 10, 1991 | Jul 10, 1991 | Union Pacific Resources Company | Fayette | Morgan-Karish Unit #1H14932477 | 14,700 |
| 389770Amendment | Jul 10, 1991 | Jul 10, 1991 | Union Pacific Resources Company | Fayette | Morgan-Karish Unit #1H14932477 | 14,700 |
| 389770Amendment | Jul 10, 1991 | Jul 10, 1991 | Union Pacific Resources Company | Fayette | Morgan-Karish Unit #1H14932477 | 12,766 |
| 389769 | Jul 10, 1991 | Jul 10, 1991 | Union Pacific Resources Company | Lee | Mitschke, Harry Estate #128731033 | 8,306 |
| 388984 | Jul 10, 1991 | Jul 10, 1991 | Union Pacific Resources Company | Panola | Lloyd Moore Gas Unit #336532218 | 9,750 |
| 389604 | Jul 5, 1991 | Jul 5, 1991 | Union Pacific Resources Company | Nueces | Rivers -B- #335505400 | 6,909 |
| 389576 | Jul 3, 1991 | Jul 3, 1991 | Union Pacific Resources Company | Gonzales | Hinton-Hinton Unit #1H17731935 | 15,500 |
| 389519 | Jul 2, 1991 | Jul 2, 1991 | Union Pacific Resources Company | Lee | Kenneth #128731283 | 8,506 |
| 389508 | Jul 1, 1991 | Jul 1, 1991 | Union Pacific Resources Company | Burleson | Slovacek, Rayfield #105131049 | 8,314 |
| 389445 | Jun 28, 1991 | Jun 28, 1991 | Union Pacific Resources Company | Brazos | Mines #1H04131511 | 11,100 |
| 389444 | Jun 28, 1991 | Jun 28, 1991 | Union Pacific Resources Company | Gonzales | Renfroe-Beckendoroff Unit #1H17731933 | 13,000 |
| 389444Amendment | Jun 28, 1991 | Jun 28, 1991 | Union Pacific Resources Company | Gonzales | Renfro-McMillan Unit #1H17731933 | 9,164 |
| 389397 | Jun 27, 1991 | Jun 27, 1991 | Union Pacific Resources Company | Burleson | Novosad, Ben #105130932 | 8,368 |
| 389363 | Jun 26, 1991 | Jun 26, 1991 | Union Pacific Resources Company | Brazos | Salpetro-Penicka Unit #1H04131510 | 11,200 |
| 389329 | Jun 25, 1991 | Jun 25, 1991 | Union Pacific Resources Company | Burleson | Wildcat Unit #1H05133255 | 13,000 |
| 389324 | Jun 25, 1991 | Jun 25, 1991 | Union Pacific Resources Company | Fayette | Karish, Roy #1H14932471 | 13,400 |
| 389324Amendment | Jun 25, 1991 | Jun 25, 1991 | Union Pacific Resources Company | Fayette | Karish, Roy #1H14932471 | 18,000 |
| 389323 | Jun 25, 1991 | Jun 25, 1991 | Union Pacific Resources Company | Fayette | Vasek-Karish Unit #1H14932472 | 14,000 |
| 389323Amendment | Jun 25, 1991 | Jun 25, 1991 | Union Pacific Resources Company | Fayette | Vasek-Karish Unit #1H14932472 | 13,104 |
| 389322 | Jun 25, 1991 | Jun 25, 1991 | Union Pacific Resources Company | Burleson | Knight-Porter Unit #1H05133254 | 11,800 |
| 389136 | Jun 19, 1991 | Jun 19, 1991 | Union Pacific Resources Company | Burleson | Robert F. Spearman "C" Unit #105130790 | 7,645 |
| 389135 | Jun 19, 1991 | Jun 19, 1991 | Union Pacific Resources Company | Panola | Cgu 20 #636532012 | 9,800 |
| 389086 | Jun 18, 1991 | Jun 18, 1991 | Union Pacific Resources Company | Burleson | Hamilton-Porter Unitt #1H05133250 | 11,900 |
| 389039 | Jun 17, 1991 | Jun 17, 1991 | Union Pacific Resources Company | Fayette | Cherry, William #H 1H14932469 | 14,700 |
| 388909 | Jun 12, 1991 | Jun 12, 1991 | Union Pacific Resources Company | Lee | Knox, J. #228731397 | 8,477 |