| 459638 | Mar 13, 1997 | Mar 13, 1997 | Union Pacific Resources Company | Crockett | Henderson Unit #3 | 7,000 | 10537609 |
| 459637 | Mar 13, 1997 | Mar 13, 1997 | Union Pacific Resources Company | Crockett | Henderson #6 | 7,000 | 10537608 |
| 458575 | Mar 13, 1997 | Mar 13, 1997 | Union Pacific Resources Company | Crockett | Childress "8D" #2 | 7,600 | 10537582 |
| 459546 | Mar 12, 1997 | Mar 12, 1997 | Union Pacific Resources Company | Zapata | Mendoza #3 | 10,700 | 50533568 |
| 459694 | Mar 11, 1997 | Mar 11, 1997 | Union Pacific Resources Company | Nueces | Wardner, G. P. #253 | 7,900 | 35533073 |
| 459578 | Mar 11, 1997 | Mar 11, 1997 | Union Pacific Resources Company | Crockett | H & H Drilling Company #1HH | 10,000 | 10537599 |
| 459578Amendment | Mar 11, 1997 | Mar 11, 1997 | Union Pacific Resources Company | Crockett | H & H Drilling Company #1HH | 8,674 | 10537599 |
| 459578Amendment | Mar 11, 1997 | Mar 11, 1997 | Union Pacific Resources Company | Crockett | H & H Drilling Company #1HH | 8,758 | 10537599 |
| 459548 | Mar 11, 1997 | Mar 11, 1997 | Union Pacific Resources Company | Lee | Vicki "A" #1REH | 8,700 | 28730377 |
| 459542 | Mar 11, 1997 | Mar 11, 1997 | Union Pacific Resources Company | Crockett | Moody Estate "53" #4 | 7,600 | 10537596 |
| 459541 | Mar 11, 1997 | Mar 11, 1997 | Union Pacific Resources Company | Crockett | Moody Minerals "21C" #5 | 7,600 | 10537597 |
| 457316 | Mar 11, 1997 | Mar 11, 1997 | Union Pacific Resources Company | Crockett | Perry GU "21" #13 | 8,900 | 10537544 |
| 457158 | Mar 11, 1997 | Mar 11, 1997 | Union Pacific Resources Company | Crockett | McMullan #6 | 8,900 | 10537530 |
| 459695 | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Crockett | Childress, Crystelle "28D" #5 | 7,200 | 10537605 |
| 459567 | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Panola | Carthage Gas Unit 110 #7 | 10,000 | 36533624 |
| 459547 | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Zapata | Mendoza #5 | 10,500 | 50533569 |
| 459547Amendment | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Zapata | Mendoza #5 | 10,500 | 50533569 |
| 459545 | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Panola | Carthage Gas Unit 111 #7 | 10,000 | 36533622 |
| 459544 | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Panola | Carthage Gas Unit 111 #6 | 10,000 | 36533623 |
| 459274 | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Milam | Mills-McGee Trust Unit #1H | 6,900 | 33133477 |
| 459274Amendment | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Milam | Mills-McGee Trust Unit #1H | 6,900 | 33133477 |
| 459442 | Mar 7, 1997 | Mar 7, 1997 | Union Pacific Resources Company | Webb | D.C.R.C. 101B #20 | 5,500 | 47936654 |
| 459414 | Mar 7, 1997 | Mar 7, 1997 | Union Pacific Resources Company | Terrell | University #36-6 #1H | 13,000 | 44330649 |
| 458524 | Mar 7, 1997 | Mar 7, 1997 | Union Pacific Resources Company | Crockett | McMullen P-2 #3 | 9,600 | 10537576 |
| 458236 | Mar 7, 1997 | Mar 7, 1997 | Union Pacific Resources Company | Crockett | Childress "8D" #3 | 7,600 | 10537563 |
| 458137 | Mar 4, 1997 | Mar 4, 1997 | Union Pacific Resources Company | Panola | Cgu 17 #11 | 10,300 | 36533603 |
| 457209 | Mar 4, 1997 | Mar 4, 1997 | Union Pacific Resources Company | Crockett | Perry "21" #11 | 8,900 | 10537534 |
| 459326 | Mar 3, 1997 | Mar 3, 1997 | Union Pacific Resources Company | Washington | Dallmeyer Unit #1H | 11,600 | 47730479 |
| 459273 | Mar 3, 1997 | Mar 3, 1997 | Union Pacific Resources Company | Burleson | Scarmardo-Toupal Unit #1H | 7,050 | 05133301 |
| 459265 | Mar 3, 1997 | Mar 3, 1997 | Union Pacific Resources Company | Leon | Thunderbolt Unit #1 | 17,000 | 28931259 |
| 459195 | Mar 3, 1997 | Mar 3, 1997 | Union Pacific Resources Company | Robertson | Lightsey-McGee Unit #1H | 7,900 | 39530494 |
| 459195Amendment | Mar 3, 1997 | Mar 3, 1997 | Union Pacific Resources Company | Robertson | Lightsey-McGee Unit #1H | 7,900 | 39530494 |
| 459272 | Feb 28, 1997 | Feb 28, 1997 | Union Pacific Resources Company | Grimes | Nunley Unit #1H | 12,400 | 18530609 |
| 459270 | Feb 28, 1997 | Feb 28, 1997 | Union Pacific Resources Company | Fayette | Affirmed Unit #1H | 13,300 | 14933039 |
| 459270Amendment | Feb 28, 1997 | Feb 28, 1997 | Union Pacific Resources Company | Fayette | Affirmed Unit #1H | 13,300 | 14933039 |
| 458843 | Feb 28, 1997 | Feb 28, 1997 | Union Pacific Resources Company | Rusk | Texas Utilities Gas Unit #1 | 11,000 | 40132705 |
| 459205 | Feb 26, 1997 | Feb 26, 1997 | Union Pacific Resources Company | Jasper | Fisher Unit A-522 #1H | 11,750 | 24130635 |
| 459205Amendment | Feb 26, 1997 | Feb 26, 1997 | Union Pacific Resources Company | Jasper | Fisher Unit A-522 #1H | 11,750 | 24130635 |
| 459205Amendment | Feb 26, 1997 | Feb 26, 1997 | Union Pacific Resources Company | Jasper | Fisher Unit A-522 #1H | 11,800 | 24130635 |
| 455753 | Feb 26, 1997 | Feb 26, 1997 | Union Pacific Resources Company | Burleson | W. R. Fritcher Unit #1H | 10,000 | 05132650 |
| 459093 | Feb 25, 1997 | Feb 25, 1997 | Union Pacific Resources Company | Webb | Dcrc 3B #36 | 5,500 | 47936647 |
| 458358 | Feb 25, 1997 | Feb 25, 1997 | Union Pacific Resources Company | Crockett | Pierce, V. I. "44A" #6 | 7,600 | 10537565 |
| 458908 | Feb 24, 1997 | Feb 24, 1997 | Union Pacific Resources Company | Webb | Dcrc 101F #19 | 3,000 | 47936646 |
| 458908Amendment | Feb 24, 1997 | Feb 24, 1997 | Union Pacific Resources Company | Webb | Dcrc 101F #19 | 3,000 | 47936646 |
| 458719 | Feb 24, 1997 | Feb 24, 1997 | Union Pacific Resources Company | Milam | Burton-Wells Unit #1H | 6,900 | 33133476 |
| 458719Amendment | Feb 24, 1997 | Feb 24, 1997 | Union Pacific Resources Company | Milam | Burton-Wells Unit #1H | 6,900 | 33133476 |
| 458719Amendment | Feb 24, 1997 | Feb 24, 1997 | Union Pacific Resources Company | Milam | Burton-Wells Unit #1H | 6,900 | 33133476 |
| 457325 | Feb 24, 1997 | Feb 24, 1997 | Union Pacific Resources Company | Crockett | Perry GU "21" #12 | 8,900 | 10537686 |
| 458720 | Feb 21, 1997 | Feb 21, 1997 | Union Pacific Resources Company | Washington | Neumann Unit #2H | 15,000 | 47730843 |
| 458720Amendment | Feb 21, 1997 | Feb 21, 1997 | Union Pacific Resources Company | Washington | Neumann Unit #2H | 15,000 | 47730843 |
| 458716 | Feb 21, 1997 | Feb 21, 1997 | Union Pacific Resources Company | Nueces | Wardner, G. P. #252 | 7,500 | 35533069 |
| 458263 | Feb 18, 1997 | Feb 18, 1997 | Union Pacific Resources Company | Webb | Chimichanga #1H | 12,500 | 47936641 |
| 458681 | Feb 14, 1997 | Feb 14, 1997 | Union Pacific Resources Company | Crockett | Pierce, V. I. "44A" #5 | 7,600 | 10537585 |
| 458520 | Feb 14, 1997 | Feb 14, 1997 | Union Pacific Resources Company | Crockett | Childress, Crystelle "8" #6 | 7,600 | 10537579 |
| 458525 | Feb 13, 1997 | Feb 13, 1997 | Union Pacific Resources Company | Jasper | Temple-Inland Forest Unit A-41 #1H | 11,850 | 24130634 |
| 458525Amendment | Feb 13, 1997 | Feb 13, 1997 | Union Pacific Resources Company | Jasper | Temple-Inland Forest Unit A-41 #1H | 11,850 | 24130634 |
| 458523 | Feb 13, 1997 | Feb 13, 1997 | Union Pacific Resources Company | Crockett | Moody Minerals "29A" #2 | 7,600 | 10537577 |
| 458522 | Feb 13, 1997 | Feb 13, 1997 | Union Pacific Resources Company | Crockett | Mitchell, Tom-State "20A" #8 | 7,600 | 10537581 |
| 458519 | Feb 13, 1997 | Feb 13, 1997 | Union Pacific Resources Company | Crockett | Childress, Crystelle "8" #4 | 7,600 | 10537578 |
| 458231 | Feb 13, 1997 | Feb 13, 1997 | Union Pacific Resources Company | Panola | Cgu 9 #10 | 10,300 | 36533606 |
| 457196 | Feb 13, 1997 | Feb 13, 1997 | Union Pacific Resources Company | Crockett | Hoover Estate "19A" #5 | 7,600 | 10537533 |
| 458501 | Feb 11, 1997 | Feb 11, 1997 | Union Pacific Resources Company | Crockett | Union Pacific #60HH | 10,000 | 10537574 |
| 458501Amendment | Feb 11, 1997 | Feb 11, 1997 | Union Pacific Resources Company | Crockett | Union Pacific #60HH | 9,268 | 10537574 |
| 458500 | Feb 11, 1997 | Feb 11, 1997 | Union Pacific Resources Company | Fayette | Havemann Unit #1REH | 9,500 | 14932710 |
| 458239 | Feb 11, 1997 | Feb 11, 1997 | Union Pacific Resources Company | Crockett | Childress, Crystelle "8" #3 | 7,600 | 10537564 |
| 458234 | Feb 11, 1997 | Feb 11, 1997 | Union Pacific Resources Company | Panola | Cgu 31 #8 | 10,300 | 36533607 |
| 457159 | Feb 10, 1997 | Feb 10, 1997 | Union Pacific Resources Company | Crockett | Mitchell, Tom-State "20D" #5 | 7,600 | 10537531 |
| 457157 | Feb 10, 1997 | Feb 10, 1997 | Union Pacific Resources Company | Rusk | Lloyd, C. E. #104 | 11,400 | 40132693 |
| 457155 | Feb 10, 1997 | Feb 10, 1997 | Union Pacific Resources Company | Crockett | Hoover Estate "19B" #2 | 7,600 | 10537529 |
| 458257 | Feb 6, 1997 | Feb 6, 1997 | Union Pacific Resources Company | Leon | Bearcat Unit #1 | 17,000 | 28931257 |
| 458257Amendment | Feb 6, 1997 | Feb 6, 1997 | Union Pacific Resources Company | Leon | Bearcat Unit #1 | 17,200 | 28931257 |
| 458235 | Feb 6, 1997 | Feb 6, 1997 | Union Pacific Resources Company | Webb | D.C.R.C. 3C #42 | 2,800 | 47936640 |
| 458183 | Feb 6, 1997 | Feb 6, 1997 | Union Pacific Resources Company | Crockett | Childress "8D" #1 | 7,600 | 10537561 |
| 458182 | Feb 6, 1997 | Feb 6, 1997 | Union Pacific Resources Company | Crockett | Warren, W. K. Foundation "24" #11 | 7,600 | 10537562 |
| 458181 | Feb 5, 1997 | Feb 5, 1997 | Union Pacific Resources Company | Webb | D.C.R.C. 100B #4 | 2,000 | 47936637 |
| 458180 | Feb 5, 1997 | Feb 5, 1997 | Union Pacific Resources Company | Webb | D.C.R.C. 100B #3 | 6,500 | 47936636 |
| 458179 | Feb 5, 1997 | Feb 5, 1997 | Union Pacific Resources Company | Webb | D.C.R.C. 100B #5 | 1,800 | 47936635 |
| 458128 | Feb 5, 1997 | Feb 5, 1997 | Union Pacific Resources Company | Crockett | Childress, Crystelle "8" #5 | 7,600 | 10537560 |
| 458103 | Feb 5, 1997 | Feb 5, 1997 | Union Pacific Resources Company | Zapata | Amoco Fee #5 | 11,500 | 50533550 |
| 457993 | Feb 5, 1997 | Feb 5, 1997 | Union Pacific Resources Company | Fayette | Quartz Unit #1H | 11,200 | 14933068 |
| 458036 | Feb 4, 1997 | Feb 4, 1997 | Union Pacific Resources Company | Lee | Carlisle #1H | 7,200 | 28732488 |
| 457880 | Feb 4, 1997 | Feb 4, 1997 | Union Pacific Resources Company | Crockett | McMullan "D" #4 | 9,000 | 10537554 |
| 456495 | Feb 4, 1997 | Feb 4, 1997 | Union Pacific Resources Company | Panola | Cgu 23 #11 | 10,000 | 36533567 |
| 457991 | Jan 30, 1997 | Jan 30, 1997 | Union Pacific Resources Company | Crockett | Moody Minerals "21D" #7 | 7,600 | 10537557 |
| 457881 | Jan 30, 1997 | Jan 30, 1997 | Union Pacific Resources Company | Crockett | Millspaugh, Sarah C. "14D" #5 | 7,600 | 10537553 |
| 457879 | Jan 29, 1997 | Jan 29, 1997 | Union Pacific Resources Company | Crockett | Childress, Crystelle "102A" #2 | 7,200 | 10537555 |
| 457878 | Jan 29, 1997 | Jan 29, 1997 | Union Pacific Resources Company | Crockett | Montgomery, C. C. "10" #12 | 7,200 | 10537556 |
| 457502 | Jan 28, 1997 | Jan 28, 1997 | Union Pacific Resources Company | Milam | Beretta Unit #1H | 7,000 | 33133475 |
| 456299 | Jan 28, 1997 | Jan 28, 1997 | Union Pacific Resources Company | Terrell | Altered-State #1 | 15,000 | 44330706 |
| 456125 | Jan 28, 1997 | Jan 28, 1997 | Union Pacific Resources Company | Crockett | Montgomery, C. C. "11S" #12 | 7,600 | 10537492 |
| 456124 | Jan 28, 1997 | Jan 28, 1997 | Union Pacific Resources Company | Crockett | Montgomery, C. C. "11S" #14 | 7,600 | 10537493 |
| 457836 | Jan 27, 1997 | Jan 27, 1997 | Union Pacific Resources Company | Jim Wells | Wardner, G.P. #251 | 7,500 | 24932283 |
| 457830 | Jan 27, 1997 | Jan 27, 1997 | Union Pacific Resources Company | Zapata | Mendoza #4 | 10,900 | 50533548 |
| 456464 | Jan 27, 1997 | Jan 27, 1997 | Union Pacific Resources Company | Fayette | Treybig Unit #1REH | 11,800 | 14931161 |
| 456464Amendment | Jan 27, 1997 | Jan 27, 1997 | Union Pacific Resources Company | Fayette | Treybig Unit #1REH | 12,000 | 14931161 |
| 457686 | Jan 24, 1997 | Jan 24, 1997 | Union Pacific Resources Company | Crockett | Childress, Crystelle "3" #3 | 7,600 | 10537550 |
| 457783 | Jan 23, 1997 | Jan 23, 1997 | Union Pacific Resources Company | Nueces | U.C.L.I. #14 | 7,500 | 35533066 |
| 457782 | Jan 23, 1997 | Jan 23, 1997 | Union Pacific Resources Company | Nueces | U.C.L.I. #15 | 7,500 | 35533067 |
| 457478 | Jan 22, 1997 | Jan 22, 1997 | Union Pacific Resources Company | Webb | D.C.R.C. 3B #34 | 3,000 | 47936618 |
| 457477 | Jan 22, 1997 | Jan 22, 1997 | Union Pacific Resources Company | Fayette | The Pines, Inc. - Karisch Unit #1REH | 10,000 | 14932486 |