| 505030 | Feb 27, 2001 | Feb 27, 2001 | Union Pacific Resources Company | Crockett | Mc Mullan P2 #7 | 9,500 | 10538379 |
| 503610 | Feb 14, 2001 | Feb 14, 2001 | Union Pacific Resources Company | Panola | Cgu 25 #13 | 11,000 | 36534595 |
| 501694 | Feb 14, 2001 | Feb 14, 2001 | Union Pacific Resources Company | Panola | Cgu 27 #12 | 11,000 | 36534561 |
| 503612 | Feb 13, 2001 | Feb 13, 2001 | Union Pacific Resources Company | Panola | Cgu 21 #13 | 11,000 | 36534597 |
| 503491 | Feb 12, 2001 | Feb 12, 2001 | Union Pacific Resources Company | Panola | Cgu 24 #16 | 11,000 | 36534592 |
| 503613 | Feb 7, 2001 | Feb 7, 2001 | Union Pacific Resources Company | Panola | Cgu 15 #15 | 11,000 | 36534596 |
| 504646 | Jan 29, 2001 | Jan 29, 2001 | Union Pacific Resources Company | Washington | Five Star Ranch #1REH | 11,600 | 47730390 |
| 504613 | Jan 26, 2001 | Jan 26, 2001 | Union Pacific Resources Company | Crockett | Hoover, Laura Estate '42D' #9 | 8,000 | 10538989 |
| 504343 | Jan 22, 2001 | Jan 22, 2001 | Union Pacific Resources Company | Brazos | Cannon-Chance Unit #1REH | 11,000 | 04131741 |
| 503490 | Jan 22, 2001 | Jan 22, 2001 | Union Pacific Resources Company | Panola | Cgu 22 #16 | 11,000 | 36534593 |
| 504184 | Jan 18, 2001 | Jan 18, 2001 | Union Pacific Resources Company | Crockett | Henderson '2' #3 | 9,500 | 10538520 |
| 504183 | Jan 18, 2001 | Jan 18, 2001 | Union Pacific Resources Company | Crockett | McMullan 'F1' #6 | 8,500 | 10538519 |
| 504181 | Jan 18, 2001 | Jan 18, 2001 | Union Pacific Resources Company | Crockett | Henderson '2' #4 | 9,500 | 10538522 |
| 503985 | Jan 12, 2001 | Jan 12, 2001 | Union Pacific Resources Company | Rusk | Holt, J. W. Estate Gas Unit #6 | 11,800 | 40133073 |
| 503984 | Jan 12, 2001 | Jan 12, 2001 | Union Pacific Resources Company | Washington | Barney Unit #2H | 16,000 | 47730887 |
| 502798 | Jan 8, 2001 | Jan 8, 2001 | Union Pacific Resources Company | Panola | Cgu 6 #14 | 11,000 | 36534579 |
| 502797 | Jan 8, 2001 | Jan 8, 2001 | Union Pacific Resources Company | Panola | Cgu 22 #14 | 11,000 | 36534581 |
| 502797Amendment | Jan 8, 2001 | Jan 8, 2001 | Union Pacific Resources Company | Panola | Cgu 22 #14 | 11,000 | 36534581 |
| 502794 | Jan 8, 2001 | Jan 8, 2001 | Union Pacific Resources Company | Panola | Cgu 6 #15 | 11,000 | 36534580 |
| 503489 | Jan 2, 2001 | Jan 2, 2001 | Union Pacific Resources Company | Panola | Cgu 36 #3 | 9,533 | 36532916 |
| 503528 | Dec 29, 2000 | Dec 29, 2000 | Union Pacific Resources Company | Burleson | Frances Unit #1REH | 9,500 | 05133263 |
| 503527 | Dec 29, 2000 | Dec 29, 2000 | Union Pacific Resources Company | Brazos | Varisco Unit #1REH | 12,000 | 04131534 |
| 502929 | Dec 28, 2000 | Dec 28, 2000 | Union Pacific Resources Company | Panola | Cgu 35 #4 | 9,450 | 36533673 |
| 503474 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Moody #3039 | 7,600 | 10538504 |
| 503473 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hoover '44' #15 | 7,600 | 10538505 |
| 503472 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #10 | 7,600 | 10538506 |
| 503471 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #9 | 7,600 | 10538507 |
| 503470 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #8 | 7,600 | 10538508 |
| 503469 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #6 | 7,600 | 10538509 |
| 503469Amendment | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #6 | 7,600 | 10538509 |
| 503468 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #7 | 7,600 | 10538510 |
| 503415 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Rusk | Roman Gas Unit #3 | 10,934 | 40132129 |
| 503408 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Jasper | Vastar Fee Unit A-121 #1H | 15,500 | 24130679 |
| 502004 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Panola | Cgu 21 #14 | 11,000 | 36534566 |
| 503358 | Dec 21, 2000 | Dec 21, 2000 | Union Pacific Resources Company | Fayette | Cornelia #1REH | 11,000 | 14930353 |
| 503355 | Dec 21, 2000 | Dec 21, 2000 | Union Pacific Resources Company | Burleson | Steck #2HH | 8,000 | 05133594 |
| 502928 | Dec 19, 2000 | Dec 19, 2000 | Union Pacific Resources Company | Panola | Kyle, J. R. "A" #4 | 6,342 | 36531769 |
| 502414 | Dec 19, 2000 | Dec 19, 2000 | Union Pacific Resources Company | Panola | Cgu 10 #15 | 11,000 | 36534574 |
| 502799 | Dec 14, 2000 | Dec 14, 2000 | Union Pacific Resources Company | Panola | Cgu 10 #16 | 11,000 | 36534583 |
| 502795 | Dec 14, 2000 | Dec 14, 2000 | Union Pacific Resources Company | Panola | Cgu 11 #15 | 11,000 | 36534582 |
| 501363 | Dec 14, 2000 | Dec 14, 2000 | Union Pacific Resources Company | Crockett | W. C. Montgomery State #6 | 7,600 | 10538473 |
| 502222 | Dec 13, 2000 | Dec 13, 2000 | Union Pacific Resources Company | Panola | Cgu 6 #17 | 11,000 | 36534571 |
| 502003 | Dec 12, 2000 | Dec 12, 2000 | Union Pacific Resources Company | Panola | Cgu 10 #14 | 11,000 | 36534565 |
| 501590 | Dec 8, 2000 | Dec 8, 2000 | Union Pacific Resources Company | Panola | Cgu 28 #12 | 11,000 | 36534556 |
| 502202 | Dec 6, 2000 | Dec 6, 2000 | Union Pacific Resources Company | Panola | Cgu 23 #15 | 11,000 | 36534569 |
| 501230 | Dec 5, 2000 | Dec 5, 2000 | Union Pacific Resources Company | Panola | Cgu 26 #15 | 11,000 | 36534549 |
| 502573 | Dec 4, 2000 | Dec 4, 2000 | Union Pacific Resources Company | Washington | Fife Unit #2H | 16,000 | 47730884 |
| 502514 | Dec 1, 2000 | Dec 1, 2000 | Union Pacific Resources Company | Fayette | KTB Unit #1REH | 11,000 | 14932503 |
| 502380 | Nov 28, 2000 | Nov 28, 2000 | Union Pacific Resources Company | Burleson | Sam Unit #1REH | 10,500 | 05133209 |
| 502267 | Nov 22, 2000 | Nov 22, 2000 | Union Pacific Resources Company | Brazos | Scott-Stasny Unit #1REH | 10,000 | 04131587 |
| 502266 | Nov 22, 2000 | Nov 22, 2000 | Union Pacific Resources Company | Burleson | Spearman, Robt. "B" #2HH | 8,300 | 05133593 |
| 502266Amendment | Nov 22, 2000 | Nov 22, 2000 | Union Pacific Resources Company | Burleson | Spearman, Robt. "B" #2HH | 8,300 | 05133593 |
| 501592 | Nov 7, 2000 | Nov 7, 2000 | Union Pacific Resources Company | Rusk | Holt, J. W. Estate Gas Unit #5 | 11,800 | 40133050 |
| 501592Amendment | Nov 7, 2000 | Nov 7, 2000 | Union Pacific Resources Company | Rusk | Holt, J. W. Estate Gas Unit #5 | 11,800 | 40133050 |
| 501557 | Nov 3, 2000 | Nov 3, 2000 | Union Pacific Resources Company | Brazos | Hicks-Golden Triangle Unit #1REH | 9,500 | 04131651 |
| 501362 | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. 'A' #6 | 7,600 | 10538474 |
| 501362Amendment | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. 'A' #6 | 10,000 | 10538474 |
| 501361 | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | W. C. Montgomery GU 'D' #11 | 7,600 | 10538475 |
| 501361Amendment | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | W. C. Montgomery GU 'D' #11 | 10,500 | 10538475 |
| 501360 | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. #53 | 7,600 | 10538476 |
| 501359 | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | Union Pacific #78 | 7,600 | 10538477 |
| 501308 | Oct 27, 2000 | Oct 27, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. #51 | 9,500 | 10538472 |
| 501307 | Oct 27, 2000 | Oct 27, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. 'C' #5 | 7,600 | 10538470 |
| 501306 | Oct 27, 2000 | Oct 27, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. #52 | 7,600 | 10538471 |
| 501304 | Oct 27, 2000 | Oct 27, 2000 | Union Pacific Resources Company | Crockett | Union Pacific '7' #7 | 7,600 | 10538469 |
| 501238 | Oct 26, 2000 | Oct 26, 2000 | Union Pacific Resources Company | Crockett | Union Pacific #79 | 7,600 | 10538466 |
| 501238Amendment | Oct 26, 2000 | Oct 26, 2000 | Union Pacific Resources Company | Crockett | Union Pacific #79 | 10,500 | 10538466 |
| 501237 | Oct 26, 2000 | Oct 26, 2000 | Union Pacific Resources Company | Crockett | Union Pacific 'D' #17 | 7,600 | 10538467 |
| 501236 | Oct 26, 2000 | Oct 26, 2000 | Union Pacific Resources Company | Crockett | Union Pacific 'C' #37 | 7,600 | 10538468 |
| 501153 | Oct 24, 2000 | Oct 24, 2000 | Union Pacific Resources Company | Burleson | Porter-Porter "a" Unit #1H | 10,000 | 05133133 |
| 500931 | Oct 18, 2000 | Oct 18, 2000 | Union Pacific Resources Company | Madison | Porterhouse Unit A-255 #1RH | 12,100 | 31330768 |
| 500930 | Oct 18, 2000 | Oct 18, 2000 | Union Pacific Resources Company | Burleson | Ponzio 1-H Unit #1H | 7,800 | 05133590 |
| 500763 | Oct 17, 2000 | Oct 17, 2000 | Union Pacific Resources Company | Newton | Hobbs Unit A-19 #1H | 20,500 | 35130708 |
| 500798 | Oct 16, 2000 | Oct 16, 2000 | Union Pacific Resources Company | Panola | Rogers Gas Unit #9 | 2,600 | 36534534 |
| 500733 | Oct 13, 2000 | Oct 13, 2000 | Union Pacific Resources Company | Jasper | Vastar Fee Unit A-229 #1H | 15,500 | 24130677 |
| 500051 | Oct 6, 2000 | Oct 6, 2000 | Union Pacific Resources Company | Crockett | Couch 10 #11 | 7,400 | 10538440 |
| 500412 | Oct 5, 2000 | Oct 5, 2000 | Union Pacific Resources Company | Brazos | Bush-Warren Unit #1H | 9,500 | 04131562 |
| 491824 | Oct 5, 2000 | Oct 5, 2000 | Pacoil, Inc. | Fayette | Grace Unit #1REH | 12,500 | 14931985 |
| 498961 | Oct 2, 2000 | Oct 2, 2000 | Union Pacific Resources Company | Rusk | Major Kennedy Estate Gas Unit #10 | 12,000 | 40133029 |
| 500052 | Sep 26, 2000 | Sep 26, 2000 | Union Pacific Resources Company | Lee | Knox, J. #2H | 9,000 | 28731397 |
| 498973 | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 30 #14 | 7,400 | 10538426 |
| 498971 | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 30 #15 | 7,400 | 10538427 |
| 498859 | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 30 #13 | 7,400 | 10538423 |
| 498858 | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 10 #10 | 7,400 | 10538424 |
| 498858Amendment | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 10 #10 | 9,600 | 10538424 |
| 498713 | Sep 20, 2000 | Sep 20, 2000 | Union Pacific Resources Company | Crockett | Couch 22 #11 | 7,400 | 10538417 |
| 498105 | Sep 20, 2000 | Sep 20, 2000 | Union Pacific Resources Company | Rusk | Buford & Blow Gas Unit 1 #9 | 10,400 | 40133023 |
| 499659 | Sep 15, 2000 | Sep 15, 2000 | Union Pacific Resources Company | Burleson | Stefka - Loehr Unit #1H | 7,800 | 05133586 |
| 499498 | Sep 12, 2000 | Sep 12, 2000 | Union Pacific Resources Company | Burleson | Javelina Unit #1REH | 9,900 | 05133286 |
| 498860 | Sep 6, 2000 | Sep 6, 2000 | Union Pacific Resources Company | Crockett | Couch 21 #14 | 7,400 | 10538422 |
| 498104 | Sep 6, 2000 | Sep 6, 2000 | Union Pacific Resources Company | Rusk | Buford & Blow Gas Unit 1 #10 | 10,400 | 40133022 |
| 498714 | Aug 31, 2000 | Aug 31, 2000 | Union Pacific Resources Company | Crockett | Couch 22 #10 | 7,400 | 10538418 |
| 497632 | Aug 31, 2000 | Aug 31, 2000 | Union Pacific Resources Company | Rusk | Major Kennedy Estate Gas Unit #11 | 12,000 | 40133015 |
| 497632Amendment | Aug 31, 2000 | Aug 31, 2000 | Union Pacific Resources Company | Rusk | Major Kennedy Estate Gas Unit #11 | 12,000 | 40133015 |
| 497631 | Aug 31, 2000 | Aug 31, 2000 | Union Pacific Resources Company | Panola | Fred Kyle Gas Unit #11 | 10,000 | 36534446 |
| 497680 | Aug 30, 2000 | Aug 30, 2000 | Union Pacific Resources Company | Rusk | Oak Hill Gas Unit 2 #3 | 10,400 | 40133016 |
| 497679 | Aug 30, 2000 | Aug 30, 2000 | Union Pacific Resources Company | Rusk | Major Kennedy Estate Gas Unit #9 | 12,000 | 40133017 |
| 498972 | Aug 29, 2000 | Aug 29, 2000 | Union Pacific Resources Company | Washington | Yelderman-Bredthauer Unit #1H | 14,000 | 47730688 |
| 498712 | Aug 29, 2000 | Aug 29, 2000 | Union Pacific Resources Company | Crockett | Couch 30 #16 | 7,300 | 10538416 |
| 498703 | Aug 29, 2000 | Aug 29, 2000 | Union Pacific Resources Company | Smith | Sevengill Unit #1 | 17,000 | 42331535 |