| 465302 | Aug 27, 1997 | Aug 27, 1997 | Union Pacific Resources Company | Crockett | Millspaugh '38' #9 | 7,800 | 10537797 |
| 466615 | Aug 22, 1997 | Aug 22, 1997 | Union Pacific Resources Company | Robertson | Gopher #1H | 7,600 | 39530534 |
| 466615Amendment | Aug 22, 1997 | Aug 22, 1997 | Union Pacific Resources Company | Robertson | Gopher Unit #1H | 7,600 | 39530534 |
| 466642 | Aug 21, 1997 | Aug 21, 1997 | Union Pacific Resources Company | Crockett | Millspaugh '38' #8R | 7,800 | 10537847 |
| 466553 | Aug 21, 1997 | Aug 21, 1997 | Union Pacific Resources Company | Brazos | Scott-Ruesink Unit #1H | 8,800 | 04131500 |
| 466551 | Aug 21, 1997 | Aug 21, 1997 | Union Pacific Resources Company | Lee | Tillie Unit #1H | 9,300 | 28730403 |
| 466551Amendment | Aug 21, 1997 | Aug 21, 1997 | Union Pacific Resources Company | Lee | Tillie Unit #1H | 9,300 | 28730403 |
| 466503 | Aug 20, 1997 | Aug 20, 1997 | Union Pacific Resources Company | Crockett | Marley '68' #1HH | 12,000 | 10537835 |
| 465332 | Aug 20, 1997 | Aug 20, 1997 | Union Pacific Resources Company | Crockett | Millspaugh '38' #13 | 7,800 | 10537795 |
| 465331 | Aug 20, 1997 | Aug 20, 1997 | Union Pacific Resources Company | Crockett | Millspaugh '38' #14 | 7,800 | 10537794 |
| 465330 | Aug 20, 1997 | Aug 20, 1997 | Union Pacific Resources Company | Crockett | Millspaugh '38' #10 | 7,800 | 10537793 |
| 465326 | Aug 20, 1997 | Aug 20, 1997 | Union Pacific Resources Company | Crockett | Millspaugh '38' #12 | 7,800 | 10537789 |
| 465203 | Aug 20, 1997 | Aug 20, 1997 | Union Pacific Resources Company | Crockett | Millspaugh-State '69' #14 | 7,200 | 10537787 |
| 465203Amendment | Aug 20, 1997 | Aug 20, 1997 | Union Pacific Resources Company | Crockett | Millspaugh-State '69' #14 | 7,415 | 10537787 |
| 466440 | Aug 19, 1997 | Aug 19, 1997 | Union Pacific Resources Company | Robertson | Loria, Josephine Unit #1H | 7,600 | 39530533 |
| 466440Amendment | Aug 19, 1997 | Aug 19, 1997 | Union Pacific Resources Company | Robertson | Loria, Josephine Unit #1H | 7,600 | 39530533 |
| 466205 | Aug 18, 1997 | Aug 18, 1997 | Union Pacific Resources Company | Crockett | Hoover "49" #9 | 7,600 | 10537826 |
| 466296 | Aug 15, 1997 | Aug 15, 1997 | Union Pacific Resources Company | Newton | Arco Fee Unit A-231 #1H | 12,000 | 35130682 |
| 466295 | Aug 15, 1997 | Aug 15, 1997 | Union Pacific Resources Company | Sabine | Sturgis Unit A-36 #1H | 15,500 | 40330432 |
| 466294 | Aug 15, 1997 | Aug 15, 1997 | Union Pacific Resources Company | Crockett | Hoover "44" #9 | 7,600 | 10537828 |
| 466159 | Aug 15, 1997 | Aug 15, 1997 | Union Pacific Resources Company | Rusk | Alford -a- Gas Unit #6 | 11,800 | 40132752 |
| 466130 | Aug 14, 1997 | Aug 14, 1997 | Union Pacific Resources Company | Rusk | Alford -a- Gas Unit #4 | 11,800 | 40132750 |
| 466136 | Aug 12, 1997 | Aug 12, 1997 | Union Pacific Resources Company | Crockett | Hoover '50' #7 | 7,500 | 10537822 |
| 465993 | Aug 8, 1997 | Aug 8, 1997 | Union Pacific Resources Company | Sabine | Arco Fee Unit #2REH | 15,500 | 40330363 |
| 465895 | Aug 8, 1997 | Aug 8, 1997 | Union Pacific Resources Company | Crockett | Moody #3310 | 7,600 | 10537818 |
| 465895Amendment | Aug 8, 1997 | Aug 8, 1997 | Union Pacific Resources Company | Crockett | Moody #3310 | 7,600 | 10537818 |
| 465854 | Aug 8, 1997 | Aug 8, 1997 | Union Pacific Resources Company | Crockett | Moody #3305 | 7,600 | 10537813 |
| 465853 | Aug 8, 1997 | Aug 8, 1997 | Union Pacific Resources Company | Crockett | Moody #3306 | 7,600 | 10537812 |
| 465917 | Aug 7, 1997 | Aug 7, 1997 | Union Pacific Resources Company | Fayette | Eva Marie Unit #1REH | 13,500 | 14932081 |
| 465916 | Aug 7, 1997 | Aug 7, 1997 | Union Pacific Resources Company | Burleson | Weeber #1H | 7,500 | 05132276 |
| 465916Amendment | Aug 7, 1997 | Aug 7, 1997 | Union Pacific Resources Company | Burleson | Weeber #1H | 7,500 | 05132276 |
| 465855 | Aug 7, 1997 | Aug 7, 1997 | Union Pacific Resources Company | Crockett | Moody #3304 | 7,600 | 10537814 |
| 465704 | Aug 7, 1997 | Aug 7, 1997 | Union Pacific Resources Company | Crockett | Henderson '23' #1HH | 9,800 | 10537806 |
| 465696 | Aug 7, 1997 | Aug 7, 1997 | Union Pacific Resources Company | Robertson | Carling Unit #1H | 7,600 | 39530528 |
| 465696Amendment | Aug 7, 1997 | Aug 7, 1997 | Union Pacific Resources Company | Robertson | Carling Unit #1H | 7,600 | 39530528 |
| 465842 | Aug 5, 1997 | Aug 5, 1997 | Union Pacific Resources Company | Panola | Cgu 1 #10 | 10,300 | 36534206 |
| 465841 | Aug 5, 1997 | Aug 5, 1997 | Union Pacific Resources Company | Milam | Cox Trust Unit #1H | 6,700 | 33133486 |
| 465703 | Aug 5, 1997 | Aug 5, 1997 | Union Pacific Resources Company | Crockett | Moody '37' #7 | 7,600 | 10537805 |
| 465703Amendment | Aug 5, 1997 | Aug 5, 1997 | Union Pacific Resources Company | Crockett | Moody "37" #7 | 7,600 | 10537805 |
| 465700 | Aug 5, 1997 | Aug 5, 1997 | Union Pacific Resources Company | Rusk | W. B. Pool Gas Unit #4 | 11,800 | 40132746 |
| 465700Amendment | Aug 5, 1997 | Aug 5, 1997 | Union Pacific Resources Company | Rusk | W. B. Pool Gas Unit #4 | 11,800 | 40132746 |
| 465697 | Aug 5, 1997 | Aug 5, 1997 | Union Pacific Resources Company | Robertson | Pabst Unit #1H | 6,900 | 39530529 |
| 465329 | Aug 5, 1997 | Aug 5, 1997 | Union Pacific Resources Company | Crockett | Millspaugh '38' #8 | 7,800 | 10537792 |
| 465327 | Aug 5, 1997 | Aug 5, 1997 | Union Pacific Resources Company | Crockett | Millspaugh '38' #11 | 7,800 | 10537790 |
| 465567 | Aug 4, 1997 | Aug 4, 1997 | Union Pacific Resources Company | Rusk | Alford -a- Gas Unit #3 | 11,800 | 40132743 |
| 465566 | Aug 4, 1997 | Aug 4, 1997 | Union Pacific Resources Company | Rusk | Busby Estate "a" Gas Unit #7 | 11,800 | 40132744 |
| 465488 | Aug 4, 1997 | Aug 4, 1997 | Union Pacific Resources Company | Sutton | Askew #7701HH | 5,700 | 43534736 |
| 465488Amendment | Aug 4, 1997 | Aug 4, 1997 | Union Pacific Resources Company | Sutton | Askew #7701HH | 5,700 | 43534736 |
| 465487 | Aug 4, 1997 | Aug 4, 1997 | Union Pacific Resources Company | Schleicher | Williams, Otto #3701HH | 5,300 | 41332010 |
| 465486 | Aug 4, 1997 | Aug 4, 1997 | Union Pacific Resources Company | Rusk | Busby Estate Gas Unit #6 | 11,800 | 40132742 |
| 465423 | Aug 4, 1997 | Aug 4, 1997 | Union Pacific Resources Company | Rusk | Christian, Alice Estate -A- #6 | 11,800 | 40132741 |
| 465681 | Jul 31, 1997 | Jul 31, 1997 | Union Pacific Resources Company | Washington | Hensen Unit #1H | 14,850 | 47730832 |
| 465333 | Jul 31, 1997 | Jul 31, 1997 | Union Pacific Resources Company | Washington | 3-D Unit #1H | 15,600 | 47730851 |
| 465652 | Jul 30, 1997 | Jul 30, 1997 | Union Pacific Resources Company | Crockett | Montgomery, W.C. #36HH | 10,000 | 10537800 |
| 465651 | Jul 30, 1997 | Jul 30, 1997 | Union Pacific Resources Company | Crockett | H & H Drilling Company #2HH | 10,000 | 10537801 |
| 465651Amendment | Jul 30, 1997 | Jul 30, 1997 | Union Pacific Resources Company | Crockett | H & H Drilling Company #2HH | 10,000 | 10537801 |
| 465573 | Jul 29, 1997 | Jul 29, 1997 | Union Pacific Resources Company | Lee | Lehmann-Blume #1REH | 9,200 | 28730700 |
| 465572 | Jul 29, 1997 | Jul 29, 1997 | Union Pacific Resources Company | Crockett | University 39-19 #1D | 8,600 | 10537798 |
| 465328 | Jul 29, 1997 | Jul 29, 1997 | Union Pacific Resources Company | Crockett | Moody '45' #3 | 7,800 | 10537791 |
| 463734 | Jul 29, 1997 | Jul 29, 1997 | Union Pacific Resources Company | Crockett | Millspaugh, Austin '32C' #3 | 7,600 | 10537733 |
| 465344 | Jul 24, 1997 | Jul 24, 1997 | Union Pacific Resources Company | Milam | Frazier-Gall Unit #1H | 6,800 | 33133485 |
| 465344Amendment | Jul 24, 1997 | Jul 24, 1997 | Union Pacific Resources Company | Milam | Frazier-Gall Unit #1H | 6,800 | 33133485 |
| 464959 | Jul 24, 1997 | Jul 24, 1997 | Union Pacific Resources Company | Rusk | Alice Christian Estate 'B' GU #7A | 11,800 | 40132738 |
| 464321 | Jul 24, 1997 | Jul 24, 1997 | Union Pacific Resources Company | Crockett | Hoover "50" #8 | 7,300 | 10537765 |
| 464320 | Jul 24, 1997 | Jul 24, 1997 | Union Pacific Resources Company | Brazos | Dansby "A" #1H | 9,000 | 04131097 |
| 464320Amendment | Jul 24, 1997 | Jul 24, 1997 | Union Pacific Resources Company | Brazos | Dansby "a" Unit #1H | 9,000 | 04131097 |
| 465270 | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Schleicher | Powell '6' #1HH | 5,000 | 41332008 |
| 465267 | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Panola | Cgu 21 #10 | 10,200 | 36533124 |
| 465202 | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Crockett | Millspaugh-State '69' #15 | 7,200 | 10537788 |
| 465202Amendment | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Crockett | Millspaugh-State '69' #15 | 7,600 | 10537788 |
| 465120 | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Nueces | Sellers, W. S. "B" #7 | 7,700 | 35533092 |
| 463948 | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Crockett | Arledge, Phillip #4101 | 5,100 | 10537738 |
| 463947 | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Val Verde | Arledge, Phillip #4102 | 5,100 | 46530547 |
| 463945 | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Val Verde | Arledge, Phillip #701 | 5,300 | 46530549 |
| 463944 | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Crockett | Arledge Ranches #1901 | 6,700 | 10537737 |
| 463943 | Jul 23, 1997 | Jul 23, 1997 | Union Pacific Resources Company | Crockett | Arledge Ranches #1701 | 6,700 | 10537739 |
| 463946 | Jul 22, 1997 | Jul 22, 1997 | Union Pacific Resources Company | Val Verde | Arledge, Phillip #1001 | 5,200 | 46530548 |
| 465127 | Jul 21, 1997 | Jul 21, 1997 | Union Pacific Resources Company | Fayette | Citation Unit #1H | 13,100 | 14933058 |
| 465127Amendment | Jul 21, 1997 | Jul 21, 1997 | Union Pacific Resources Company | Fayette | Citation Unit #1H | 13,200 | 14933058 |
| 465127Amendment | Jul 21, 1997 | Jul 21, 1997 | Union Pacific Resources Company | Fayette | Citation Unit #1H | 13,211 | 14933058 |
| 465126 | Jul 21, 1997 | Jul 21, 1997 | Union Pacific Resources Company | Houston | Roundup #1H | 12,500 | 22530941 |
| 465126Amendment | Jul 21, 1997 | Jul 21, 1997 | Union Pacific Resources Company | Houston | Roundup #1H | 12,500 | 22530941 |
| 465060 | Jul 21, 1997 | Jul 21, 1997 | Union Pacific Resources Company | Panola | Priestly Holmes Unit #11 | 10,000 | 36533729 |
| 464960 | Jul 21, 1997 | Jul 21, 1997 | Union Pacific Resources Company | Rusk | Alice Christian Estate 'B' GU #6A | 11,800 | 40132739 |
| 464960Amendment | Jul 21, 1997 | Jul 21, 1997 | Union Pacific Resources Company | Rusk | Alice Christian Estate 'B' GU #6A | 11,800 | 40132739 |
| 465069 | Jul 18, 1997 | Jul 18, 1997 | Union Pacific Resources Company | Burleson | Lois #3AH | 10,500 | 05132773 |
| 464565 | Jul 16, 1997 | Jul 16, 1997 | Union Pacific Resources Company | Panola | Cgu 11 #7C | 9,700 | 36532241 |
| 464697 | Jul 15, 1997 | Jul 15, 1997 | Union Pacific Resources Company | Panola | South Gary Gas Unit 1 #4 | 10,300 | 36533720 |
| 464630 | Jul 15, 1997 | Jul 15, 1997 | Union Pacific Resources Company | Panola | Latham, H. L. #2 | 10,000 | 36533717 |
| 464832 | Jul 14, 1997 | Jul 14, 1997 | Union Pacific Resources Company | Crockett | Acton, Pamela #8RHH | 11,800 | 10537013 |
| 464831 | Jul 14, 1997 | Jul 14, 1997 | Union Pacific Resources Company | Lee | Kimberly Unit #2HH | 9,600 | 28731732 |
| 464830 | Jul 14, 1997 | Jul 14, 1997 | Union Pacific Resources Company | Crockett | Montgomery, C. C. '7' #6 | 6,800 | 10537778 |
| 464829 | Jul 14, 1997 | Jul 14, 1997 | Union Pacific Resources Company | Crockett | Montgomery, C. C. #7010D | 6,800 | 10537779 |
| 464532 | Jul 14, 1997 | Jul 14, 1997 | Union Pacific Resources Company | Zapata | Vela Estate #17 | 10,500 | 50533641 |
| 464780 | Jul 11, 1997 | Jul 11, 1997 | Union Pacific Resources Company | Rusk | Busby Estate "a" Gas Unit #5 | 11,800 | 40132736 |
| 464779 | Jul 11, 1997 | Jul 11, 1997 | Union Pacific Resources Company | Victoria | McFaddin "A" #29 | 2,000 | 46932664 |
| 464778 | Jul 11, 1997 | Jul 11, 1997 | Union Pacific Resources Company | Victoria | McFaddin "A" #18 | 2,300 | 46932019 |
| 464777 | Jul 11, 1997 | Jul 11, 1997 | Union Pacific Resources Company | Jasper | Arco Fee Upr Unit A-19 #1H | 12,130 | 24130640 |
| 464566 | Jul 7, 1997 | Jul 7, 1997 | Union Pacific Resources Company | Rusk | Alford "B" Gas Unit #5 | 11,800 | 40132734 |
| 464102 | Jul 7, 1997 | Jul 7, 1997 | Union Pacific Resources Company | Crockett | Davidson #3503 | 8,500 | 10537746 |